#include "i915_trace.h"
#include "intel_drv.h"
+/* Rough estimate of the typical request size, performing a flush,
+ * set-context and then emitting the batch.
+ */
+#define LEGACY_REQUEST_SIZE 200
+
int __intel_ring_space(int head, int tail, int size)
{
int space = head - tail;
ringbuf->tail, ringbuf->size);
}
-int intel_ring_space(struct intel_ringbuffer *ringbuf)
+bool intel_engine_stopped(struct intel_engine_cs *engine)
{
- intel_ring_update_space(ringbuf);
- return ringbuf->space;
+ struct drm_i915_private *dev_priv = engine->i915;
+ return dev_priv->gpu_error.stop_rings & intel_engine_flag(engine);
}
-bool intel_ring_stopped(struct intel_engine_cs *ring)
+static void __intel_ring_advance(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
- return dev_priv->gpu_error.stop_rings & intel_ring_flag(ring);
-}
-
-static void __intel_ring_advance(struct intel_engine_cs *ring)
-{
- struct intel_ringbuffer *ringbuf = ring->buffer;
+ struct intel_ringbuffer *ringbuf = engine->buffer;
ringbuf->tail &= ringbuf->size - 1;
- if (intel_ring_stopped(ring))
+ if (intel_engine_stopped(engine))
return;
- ring->write_tail(ring, ringbuf->tail);
+ engine->write_tail(engine, ringbuf->tail);
}
static int
u32 invalidate_domains,
u32 flush_domains)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
u32 cmd;
int ret;
if (ret)
return ret;
- intel_ring_emit(ring, cmd);
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, cmd);
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
return 0;
}
u32 invalidate_domains,
u32 flush_domains)
{
- struct intel_engine_cs *ring = req->ring;
- struct drm_device *dev = ring->dev;
+ struct intel_engine_cs *engine = req->engine;
u32 cmd;
int ret;
cmd |= MI_EXE_FLUSH;
if (invalidate_domains & I915_GEM_DOMAIN_COMMAND &&
- (IS_G4X(dev) || IS_GEN5(dev)))
+ (IS_G4X(req->i915) || IS_GEN5(req->i915)))
cmd |= MI_INVALIDATE_ISP;
ret = intel_ring_begin(req, 2);
if (ret)
return ret;
- intel_ring_emit(ring, cmd);
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, cmd);
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
return 0;
}
static int
intel_emit_post_sync_nonzero_flush(struct drm_i915_gem_request *req)
{
- struct intel_engine_cs *ring = req->ring;
- u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+ struct intel_engine_cs *engine = req->engine;
+ u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
int ret;
ret = intel_ring_begin(req, 6);
if (ret)
return ret;
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5));
- intel_ring_emit(ring, PIPE_CONTROL_CS_STALL |
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(5));
+ intel_ring_emit(engine, PIPE_CONTROL_CS_STALL |
PIPE_CONTROL_STALL_AT_SCOREBOARD);
- intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
- intel_ring_emit(ring, 0); /* low dword */
- intel_ring_emit(ring, 0); /* high dword */
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
+ intel_ring_emit(engine, 0); /* low dword */
+ intel_ring_emit(engine, 0); /* high dword */
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
ret = intel_ring_begin(req, 6);
if (ret)
return ret;
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5));
- intel_ring_emit(ring, PIPE_CONTROL_QW_WRITE);
- intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(5));
+ intel_ring_emit(engine, PIPE_CONTROL_QW_WRITE);
+ intel_ring_emit(engine, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
return 0;
}
gen6_render_ring_flush(struct drm_i915_gem_request *req,
u32 invalidate_domains, u32 flush_domains)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
u32 flags = 0;
- u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+ u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
int ret;
/* Force SNB workarounds for PIPE_CONTROL flushes */
if (ret)
return ret;
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4));
- intel_ring_emit(ring, flags);
- intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT);
- intel_ring_emit(ring, 0);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(4));
+ intel_ring_emit(engine, flags);
+ intel_ring_emit(engine, scratch_addr | PIPE_CONTROL_GLOBAL_GTT);
+ intel_ring_emit(engine, 0);
+ intel_ring_advance(engine);
return 0;
}
static int
gen7_render_ring_cs_stall_wa(struct drm_i915_gem_request *req)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 4);
if (ret)
return ret;
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4));
- intel_ring_emit(ring, PIPE_CONTROL_CS_STALL |
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(4));
+ intel_ring_emit(engine, PIPE_CONTROL_CS_STALL |
PIPE_CONTROL_STALL_AT_SCOREBOARD);
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, 0);
+ intel_ring_advance(engine);
return 0;
}
gen7_render_ring_flush(struct drm_i915_gem_request *req,
u32 invalidate_domains, u32 flush_domains)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
u32 flags = 0;
- u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+ u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
int ret;
/*
if (ret)
return ret;
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4));
- intel_ring_emit(ring, flags);
- intel_ring_emit(ring, scratch_addr);
- intel_ring_emit(ring, 0);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(4));
+ intel_ring_emit(engine, flags);
+ intel_ring_emit(engine, scratch_addr);
+ intel_ring_emit(engine, 0);
+ intel_ring_advance(engine);
return 0;
}
gen8_emit_pipe_control(struct drm_i915_gem_request *req,
u32 flags, u32 scratch_addr)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 6);
if (ret)
return ret;
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(6));
- intel_ring_emit(ring, flags);
- intel_ring_emit(ring, scratch_addr);
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(6));
+ intel_ring_emit(engine, flags);
+ intel_ring_emit(engine, scratch_addr);
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, 0);
+ intel_ring_advance(engine);
return 0;
}
u32 invalidate_domains, u32 flush_domains)
{
u32 flags = 0;
- u32 scratch_addr = req->ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+ u32 scratch_addr = req->engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
int ret;
flags |= PIPE_CONTROL_CS_STALL;
return gen8_emit_pipe_control(req, flags, scratch_addr);
}
-static void ring_write_tail(struct intel_engine_cs *ring,
+static void ring_write_tail(struct intel_engine_cs *engine,
u32 value)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
- I915_WRITE_TAIL(ring, value);
+ struct drm_i915_private *dev_priv = engine->i915;
+ I915_WRITE_TAIL(engine, value);
}
-u64 intel_ring_get_active_head(struct intel_engine_cs *ring)
+u64 intel_ring_get_active_head(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u64 acthd;
- if (INTEL_INFO(ring->dev)->gen >= 8)
- acthd = I915_READ64_2x32(RING_ACTHD(ring->mmio_base),
- RING_ACTHD_UDW(ring->mmio_base));
- else if (INTEL_INFO(ring->dev)->gen >= 4)
- acthd = I915_READ(RING_ACTHD(ring->mmio_base));
+ if (INTEL_GEN(dev_priv) >= 8)
+ acthd = I915_READ64_2x32(RING_ACTHD(engine->mmio_base),
+ RING_ACTHD_UDW(engine->mmio_base));
+ else if (INTEL_GEN(dev_priv) >= 4)
+ acthd = I915_READ(RING_ACTHD(engine->mmio_base));
else
acthd = I915_READ(ACTHD);
return acthd;
}
-static void ring_setup_phys_status_page(struct intel_engine_cs *ring)
+static void ring_setup_phys_status_page(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u32 addr;
addr = dev_priv->status_page_dmah->busaddr;
- if (INTEL_INFO(ring->dev)->gen >= 4)
+ if (INTEL_GEN(dev_priv) >= 4)
addr |= (dev_priv->status_page_dmah->busaddr >> 28) & 0xf0;
I915_WRITE(HWS_PGA, addr);
}
-static void intel_ring_setup_status_page(struct intel_engine_cs *ring)
+static void intel_ring_setup_status_page(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
i915_reg_t mmio;
/* The ring status page addresses are no longer next to the rest of
* the ring registers as of gen7.
*/
- if (IS_GEN7(dev)) {
- switch (ring->id) {
+ if (IS_GEN7(dev_priv)) {
+ switch (engine->id) {
case RCS:
mmio = RENDER_HWS_PGA_GEN7;
break;
mmio = VEBOX_HWS_PGA_GEN7;
break;
}
- } else if (IS_GEN6(ring->dev)) {
- mmio = RING_HWS_PGA_GEN6(ring->mmio_base);
+ } else if (IS_GEN6(dev_priv)) {
+ mmio = RING_HWS_PGA_GEN6(engine->mmio_base);
} else {
/* XXX: gen8 returns to sanity */
- mmio = RING_HWS_PGA(ring->mmio_base);
+ mmio = RING_HWS_PGA(engine->mmio_base);
}
- I915_WRITE(mmio, (u32)ring->status_page.gfx_addr);
+ I915_WRITE(mmio, (u32)engine->status_page.gfx_addr);
POSTING_READ(mmio);
/*
* arises: do we still need this and if so how should we go about
* invalidating the TLB?
*/
- if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8) {
- i915_reg_t reg = RING_INSTPM(ring->mmio_base);
+ if (IS_GEN(dev_priv, 6, 7)) {
+ i915_reg_t reg = RING_INSTPM(engine->mmio_base);
/* ring should be idle before issuing a sync flush*/
- WARN_ON((I915_READ_MODE(ring) & MODE_IDLE) == 0);
+ WARN_ON((I915_READ_MODE(engine) & MODE_IDLE) == 0);
I915_WRITE(reg,
_MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE |
INSTPM_SYNC_FLUSH));
- if (wait_for((I915_READ(reg) & INSTPM_SYNC_FLUSH) == 0,
- 1000))
+ if (intel_wait_for_register(dev_priv,
+ reg, INSTPM_SYNC_FLUSH, 0,
+ 1000))
DRM_ERROR("%s: wait for SyncFlush to complete for TLB invalidation timed out\n",
- ring->name);
+ engine->name);
}
}
-static bool stop_ring(struct intel_engine_cs *ring)
+static bool stop_ring(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = to_i915(ring->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
- if (!IS_GEN2(ring->dev)) {
- I915_WRITE_MODE(ring, _MASKED_BIT_ENABLE(STOP_RING));
- if (wait_for((I915_READ_MODE(ring) & MODE_IDLE) != 0, 1000)) {
- DRM_ERROR("%s : timed out trying to stop ring\n", ring->name);
+ if (!IS_GEN2(dev_priv)) {
+ I915_WRITE_MODE(engine, _MASKED_BIT_ENABLE(STOP_RING));
+ if (intel_wait_for_register(dev_priv,
+ RING_MI_MODE(engine->mmio_base),
+ MODE_IDLE,
+ MODE_IDLE,
+ 1000)) {
+ DRM_ERROR("%s : timed out trying to stop ring\n",
+ engine->name);
/* Sometimes we observe that the idle flag is not
* set even though the ring is empty. So double
* check before giving up.
*/
- if (I915_READ_HEAD(ring) != I915_READ_TAIL(ring))
+ if (I915_READ_HEAD(engine) != I915_READ_TAIL(engine))
return false;
}
}
- I915_WRITE_CTL(ring, 0);
- I915_WRITE_HEAD(ring, 0);
- ring->write_tail(ring, 0);
+ I915_WRITE_CTL(engine, 0);
+ I915_WRITE_HEAD(engine, 0);
+ engine->write_tail(engine, 0);
- if (!IS_GEN2(ring->dev)) {
- (void)I915_READ_CTL(ring);
- I915_WRITE_MODE(ring, _MASKED_BIT_DISABLE(STOP_RING));
+ if (!IS_GEN2(dev_priv)) {
+ (void)I915_READ_CTL(engine);
+ I915_WRITE_MODE(engine, _MASKED_BIT_DISABLE(STOP_RING));
}
- return (I915_READ_HEAD(ring) & HEAD_ADDR) == 0;
+ return (I915_READ_HEAD(engine) & HEAD_ADDR) == 0;
}
-static int init_ring_common(struct intel_engine_cs *ring)
+void intel_engine_init_hangcheck(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_ringbuffer *ringbuf = ring->buffer;
+ memset(&engine->hangcheck, 0, sizeof(engine->hangcheck));
+}
+
+static int init_ring_common(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *dev_priv = engine->i915;
+ struct intel_ringbuffer *ringbuf = engine->buffer;
struct drm_i915_gem_object *obj = ringbuf->obj;
int ret = 0;
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
- if (!stop_ring(ring)) {
+ if (!stop_ring(engine)) {
/* G45 ring initialization often fails to reset head to zero */
DRM_DEBUG_KMS("%s head not reset to zero "
"ctl %08x head %08x tail %08x start %08x\n",
- ring->name,
- I915_READ_CTL(ring),
- I915_READ_HEAD(ring),
- I915_READ_TAIL(ring),
- I915_READ_START(ring));
+ engine->name,
+ I915_READ_CTL(engine),
+ I915_READ_HEAD(engine),
+ I915_READ_TAIL(engine),
+ I915_READ_START(engine));
- if (!stop_ring(ring)) {
+ if (!stop_ring(engine)) {
DRM_ERROR("failed to set %s head to zero "
"ctl %08x head %08x tail %08x start %08x\n",
- ring->name,
- I915_READ_CTL(ring),
- I915_READ_HEAD(ring),
- I915_READ_TAIL(ring),
- I915_READ_START(ring));
+ engine->name,
+ I915_READ_CTL(engine),
+ I915_READ_HEAD(engine),
+ I915_READ_TAIL(engine),
+ I915_READ_START(engine));
ret = -EIO;
goto out;
}
}
- if (I915_NEED_GFX_HWS(dev))
- intel_ring_setup_status_page(ring);
+ if (I915_NEED_GFX_HWS(dev_priv))
+ intel_ring_setup_status_page(engine);
else
- ring_setup_phys_status_page(ring);
+ ring_setup_phys_status_page(engine);
/* Enforce ordering by reading HEAD register back */
- I915_READ_HEAD(ring);
+ I915_READ_HEAD(engine);
/* Initialize the ring. This must happen _after_ we've cleared the ring
* registers with the above sequence (the readback of the HEAD registers
* also enforces ordering), otherwise the hw might lose the new ring
* register values. */
- I915_WRITE_START(ring, i915_gem_obj_ggtt_offset(obj));
+ I915_WRITE_START(engine, i915_gem_obj_ggtt_offset(obj));
/* WaClearRingBufHeadRegAtInit:ctg,elk */
- if (I915_READ_HEAD(ring))
+ if (I915_READ_HEAD(engine))
DRM_DEBUG("%s initialization failed [head=%08x], fudging\n",
- ring->name, I915_READ_HEAD(ring));
- I915_WRITE_HEAD(ring, 0);
- (void)I915_READ_HEAD(ring);
+ engine->name, I915_READ_HEAD(engine));
+ I915_WRITE_HEAD(engine, 0);
+ (void)I915_READ_HEAD(engine);
- I915_WRITE_CTL(ring,
+ I915_WRITE_CTL(engine,
((ringbuf->size - PAGE_SIZE) & RING_NR_PAGES)
| RING_VALID);
/* If the head is still not zero, the ring is dead */
- if (wait_for((I915_READ_CTL(ring) & RING_VALID) != 0 &&
- I915_READ_START(ring) == i915_gem_obj_ggtt_offset(obj) &&
- (I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) {
+ if (wait_for((I915_READ_CTL(engine) & RING_VALID) != 0 &&
+ I915_READ_START(engine) == i915_gem_obj_ggtt_offset(obj) &&
+ (I915_READ_HEAD(engine) & HEAD_ADDR) == 0, 50)) {
DRM_ERROR("%s initialization failed "
"ctl %08x (valid? %d) head %08x tail %08x start %08x [expected %08lx]\n",
- ring->name,
- I915_READ_CTL(ring), I915_READ_CTL(ring) & RING_VALID,
- I915_READ_HEAD(ring), I915_READ_TAIL(ring),
- I915_READ_START(ring), (unsigned long)i915_gem_obj_ggtt_offset(obj));
+ engine->name,
+ I915_READ_CTL(engine),
+ I915_READ_CTL(engine) & RING_VALID,
+ I915_READ_HEAD(engine), I915_READ_TAIL(engine),
+ I915_READ_START(engine),
+ (unsigned long)i915_gem_obj_ggtt_offset(obj));
ret = -EIO;
goto out;
}
ringbuf->last_retired_head = -1;
- ringbuf->head = I915_READ_HEAD(ring);
- ringbuf->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
+ ringbuf->head = I915_READ_HEAD(engine);
+ ringbuf->tail = I915_READ_TAIL(engine) & TAIL_ADDR;
intel_ring_update_space(ringbuf);
- memset(&ring->hangcheck, 0, sizeof(ring->hangcheck));
+ intel_engine_init_hangcheck(engine);
out:
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
return ret;
}
-void
-intel_fini_pipe_control(struct intel_engine_cs *ring)
+void intel_fini_pipe_control(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
-
- if (ring->scratch.obj == NULL)
+ if (engine->scratch.obj == NULL)
return;
- if (INTEL_INFO(dev)->gen >= 5) {
- kunmap(sg_page(ring->scratch.obj->pages->sgl));
- i915_gem_object_ggtt_unpin(ring->scratch.obj);
- }
-
- drm_gem_object_unreference(&ring->scratch.obj->base);
- ring->scratch.obj = NULL;
+ i915_gem_object_ggtt_unpin(engine->scratch.obj);
+ drm_gem_object_unreference(&engine->scratch.obj->base);
+ engine->scratch.obj = NULL;
}
-int
-intel_init_pipe_control(struct intel_engine_cs *ring)
+int intel_init_pipe_control(struct intel_engine_cs *engine, int size)
{
+ struct drm_i915_gem_object *obj;
int ret;
- WARN_ON(ring->scratch.obj);
+ WARN_ON(engine->scratch.obj);
- ring->scratch.obj = i915_gem_alloc_object(ring->dev, 4096);
- if (ring->scratch.obj == NULL) {
- DRM_ERROR("Failed to allocate seqno page\n");
- ret = -ENOMEM;
+ obj = i915_gem_object_create_stolen(engine->i915->dev, size);
+ if (!obj)
+ obj = i915_gem_object_create(engine->i915->dev, size);
+ if (IS_ERR(obj)) {
+ DRM_ERROR("Failed to allocate scratch page\n");
+ ret = PTR_ERR(obj);
goto err;
}
- ret = i915_gem_object_set_cache_level(ring->scratch.obj, I915_CACHE_LLC);
- if (ret)
- goto err_unref;
-
- ret = i915_gem_obj_ggtt_pin(ring->scratch.obj, 4096, 0);
+ ret = i915_gem_obj_ggtt_pin(obj, 4096, PIN_HIGH);
if (ret)
goto err_unref;
- ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(ring->scratch.obj);
- ring->scratch.cpu_page = kmap(sg_page(ring->scratch.obj->pages->sgl));
- if (ring->scratch.cpu_page == NULL) {
- ret = -ENOMEM;
- goto err_unpin;
- }
-
+ engine->scratch.obj = obj;
+ engine->scratch.gtt_offset = i915_gem_obj_ggtt_offset(obj);
DRM_DEBUG_DRIVER("%s pipe control offset: 0x%08x\n",
- ring->name, ring->scratch.gtt_offset);
+ engine->name, engine->scratch.gtt_offset);
return 0;
-err_unpin:
- i915_gem_object_ggtt_unpin(ring->scratch.obj);
err_unref:
- drm_gem_object_unreference(&ring->scratch.obj->base);
+ drm_gem_object_unreference(&engine->scratch.obj->base);
err:
return ret;
}
static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
{
+ struct intel_engine_cs *engine = req->engine;
+ struct i915_workarounds *w = &req->i915->workarounds;
int ret, i;
- struct intel_engine_cs *ring = req->ring;
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_workarounds *w = &dev_priv->workarounds;
if (w->count == 0)
return 0;
- ring->gpu_caches_dirty = true;
+ engine->gpu_caches_dirty = true;
ret = intel_ring_flush_all_caches(req);
if (ret)
return ret;
if (ret)
return ret;
- intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(w->count));
+ intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(w->count));
for (i = 0; i < w->count; i++) {
- intel_ring_emit_reg(ring, w->reg[i].addr);
- intel_ring_emit(ring, w->reg[i].value);
+ intel_ring_emit_reg(engine, w->reg[i].addr);
+ intel_ring_emit(engine, w->reg[i].value);
}
- intel_ring_emit(ring, MI_NOOP);
+ intel_ring_emit(engine, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_advance(engine);
- ring->gpu_caches_dirty = true;
+ engine->gpu_caches_dirty = true;
ret = intel_ring_flush_all_caches(req);
if (ret)
return ret;
#define WA_WRITE(addr, val) WA_REG(addr, 0xffffffff, val)
-static int wa_ring_whitelist_reg(struct intel_engine_cs *ring, i915_reg_t reg)
+static int wa_ring_whitelist_reg(struct intel_engine_cs *engine,
+ i915_reg_t reg)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct i915_workarounds *wa = &dev_priv->workarounds;
- const uint32_t index = wa->hw_whitelist_count[ring->id];
+ const uint32_t index = wa->hw_whitelist_count[engine->id];
if (WARN_ON(index >= RING_MAX_NONPRIV_SLOTS))
return -EINVAL;
- WA_WRITE(RING_FORCE_TO_NONPRIV(ring->mmio_base, index),
+ WA_WRITE(RING_FORCE_TO_NONPRIV(engine->mmio_base, index),
i915_mmio_reg_offset(reg));
- wa->hw_whitelist_count[ring->id]++;
+ wa->hw_whitelist_count[engine->id]++;
return 0;
}
-static int gen8_init_workarounds(struct intel_engine_cs *ring)
+static int gen8_init_workarounds(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING);
return 0;
}
-static int bdw_init_workarounds(struct intel_engine_cs *ring)
+static int bdw_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- ret = gen8_init_workarounds(ring);
+ ret = gen8_init_workarounds(engine);
if (ret)
return ret;
/* WaForceContextSaveRestoreNonCoherent:bdw */
HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT |
/* WaDisableFenceDestinationToSLM:bdw (pre-prod) */
- (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0));
+ (IS_BDW_GT3(dev_priv) ? HDC_FENCE_DEST_SLM_DISABLE : 0));
return 0;
}
-static int chv_init_workarounds(struct intel_engine_cs *ring)
+static int chv_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- ret = gen8_init_workarounds(ring);
+ ret = gen8_init_workarounds(engine);
if (ret)
return ret;
return 0;
}
-static int gen9_init_workarounds(struct intel_engine_cs *ring)
+static int gen9_init_workarounds(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- uint32_t tmp;
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- /* WaEnableLbsSlaRetryTimerDecrement:skl */
+ /* WaConextSwitchWithConcurrentTLBInvalidate:skl,bxt,kbl */
+ I915_WRITE(GEN9_CSFE_CHICKEN1_RCS, _MASKED_BIT_ENABLE(GEN9_PREEMPT_GPGPU_SYNC_SWITCH_DISABLE));
+
+ /* WaEnableLbsSlaRetryTimerDecrement:skl,bxt,kbl */
I915_WRITE(BDW_SCRATCH1, I915_READ(BDW_SCRATCH1) |
GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE);
- /* WaDisableKillLogic:bxt,skl */
+ /* WaDisableKillLogic:bxt,skl,kbl */
I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
ECOCHK_DIS_TLB);
- /* WaDisablePartialInstShootdown:skl,bxt */
+ /* WaClearFlowControlGpgpuContextSave:skl,bxt,kbl */
+ /* WaDisablePartialInstShootdown:skl,bxt,kbl */
WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
+ FLOW_CONTROL_ENABLE |
PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
- /* Syncing dependencies between camera and graphics:skl,bxt */
+ /* Syncing dependencies between camera and graphics:skl,bxt,kbl */
WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
/* WaDisableDgMirrorFixInHalfSliceChicken5:skl,bxt */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_B0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5,
GEN9_DG_MIRROR_FIX_ENABLE);
/* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_B0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
WA_SET_BIT_MASKED(GEN7_COMMON_SLICE_CHICKEN1,
GEN9_RHWO_OPTIMIZATION_DISABLE);
/*
*/
}
- /* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt */
- if (IS_SKL_REVID(dev, SKL_REVID_C0, REVID_FOREVER) || IS_BROXTON(dev))
- WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
- GEN9_ENABLE_YV12_BUGFIX);
+ /* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl */
+ /* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl */
+ WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
+ GEN9_ENABLE_YV12_BUGFIX |
+ GEN9_ENABLE_GPGPU_PREEMPTION);
- /* Wa4x4STCOptimizationDisable:skl,bxt */
- /* WaDisablePartialResolveInVc:skl,bxt */
+ /* Wa4x4STCOptimizationDisable:skl,bxt,kbl */
+ /* WaDisablePartialResolveInVc:skl,bxt,kbl */
WA_SET_BIT_MASKED(CACHE_MODE_1, (GEN8_4x4_STC_OPTIMIZATION_DISABLE |
GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE));
- /* WaCcsTlbPrefetchDisable:skl,bxt */
+ /* WaCcsTlbPrefetchDisable:skl,bxt,kbl */
WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5,
GEN9_CCS_TLB_PREFETCH_ENABLE);
/* WaDisableMaskBasedCammingInRCC:skl,bxt */
- if (IS_SKL_REVID(dev, SKL_REVID_C0, SKL_REVID_C0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, SKL_REVID_C0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
WA_SET_BIT_MASKED(SLICE_ECO_CHICKEN0,
PIXEL_MASK_CAMMING_DISABLE);
- /* WaForceContextSaveRestoreNonCoherent:skl,bxt */
- tmp = HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT;
- if (IS_SKL_REVID(dev, SKL_REVID_F0, REVID_FOREVER) ||
- IS_BXT_REVID(dev, BXT_REVID_B0, REVID_FOREVER))
- tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE;
- WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp);
+ /* WaForceContextSaveRestoreNonCoherent:skl,bxt,kbl */
+ WA_SET_BIT_MASKED(HDC_CHICKEN0,
+ HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT |
+ HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE);
+
+ /* WaForceEnableNonCoherent and WaDisableHDCInvalidation are
+ * both tied to WaForceContextSaveRestoreNonCoherent
+ * in some hsds for skl. We keep the tie for all gen9. The
+ * documentation is a bit hazy and so we want to get common behaviour,
+ * even though there is no clear evidence we would need both on kbl/bxt.
+ * This area has been source of system hangs so we play it safe
+ * and mimic the skl regardless of what bspec says.
+ *
+ * Use Force Non-Coherent whenever executing a 3D context. This
+ * is a workaround for a possible hang in the unlikely event
+ * a TLB invalidation occurs during a PSD flush.
+ */
- /* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt */
- if (IS_SKYLAKE(dev) || IS_BXT_REVID(dev, 0, BXT_REVID_B0))
+ /* WaForceEnableNonCoherent:skl,bxt,kbl */
+ WA_SET_BIT_MASKED(HDC_CHICKEN0,
+ HDC_FORCE_NON_COHERENT);
+
+ /* WaDisableHDCInvalidation:skl,bxt,kbl */
+ I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
+ BDW_DISABLE_HDC_INVALIDATION);
+
+ /* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt,kbl */
+ if (IS_SKYLAKE(dev_priv) ||
+ IS_KABYLAKE(dev_priv) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0))
WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
GEN8_SAMPLER_POWER_BYPASS_DIS);
- /* WaDisableSTUnitPowerOptimization:skl,bxt */
+ /* WaDisableSTUnitPowerOptimization:skl,bxt,kbl */
WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN2, GEN8_ST_PO_DISABLE);
- /* WaOCLCoherentLineFlush:skl,bxt */
+ /* WaOCLCoherentLineFlush:skl,bxt,kbl */
I915_WRITE(GEN8_L3SQCREG4, (I915_READ(GEN8_L3SQCREG4) |
GEN8_LQSC_FLUSH_COHERENT_LINES));
- /* WaEnablePreemptionGranularityControlByUMD:skl,bxt */
- ret= wa_ring_whitelist_reg(ring, GEN8_CS_CHICKEN1);
+ /* WaVFEStateAfterPipeControlwithMediaStateClear:skl,bxt */
+ ret = wa_ring_whitelist_reg(engine, GEN9_CTX_PREEMPT_REG);
if (ret)
return ret;
- /* WaAllowUMDToModifyHDCChicken1:skl,bxt */
- ret = wa_ring_whitelist_reg(ring, GEN8_HDC_CHICKEN1);
+ /* WaEnablePreemptionGranularityControlByUMD:skl,bxt,kbl */
+ ret= wa_ring_whitelist_reg(engine, GEN8_CS_CHICKEN1);
+ if (ret)
+ return ret;
+
+ /* WaAllowUMDToModifyHDCChicken1:skl,bxt,kbl */
+ ret = wa_ring_whitelist_reg(engine, GEN8_HDC_CHICKEN1);
if (ret)
return ret;
return 0;
}
-static int skl_tune_iz_hashing(struct intel_engine_cs *ring)
+static int skl_tune_iz_hashing(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u8 vals[3] = { 0, 0, 0 };
unsigned int i;
return 0;
}
-static int skl_init_workarounds(struct intel_engine_cs *ring)
+static int skl_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- ret = gen9_init_workarounds(ring);
+ ret = gen9_init_workarounds(engine);
if (ret)
return ret;
* until D0 which is the default case so this is equivalent to
* !WaDisablePerCtxtPreemptionGranularityControl:skl
*/
- if (IS_SKL_REVID(dev, SKL_REVID_E0, REVID_FOREVER)) {
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_E0, REVID_FOREVER)) {
I915_WRITE(GEN7_FF_SLICE_CS_CHICKEN1,
_MASKED_BIT_ENABLE(GEN9_FFSC_PERCTX_PREEMPT_CTRL));
}
- if (IS_SKL_REVID(dev, 0, SKL_REVID_D0)) {
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0)) {
/* WaDisableChickenBitTSGBarrierAckForFFSliceCS:skl */
I915_WRITE(FF_SLICE_CS_CHICKEN2,
_MASKED_BIT_ENABLE(GEN9_TSG_BARRIER_ACK_DISABLE));
/* GEN8_L3SQCREG4 has a dependency with WA batch so any new changes
* involving this register should also be added to WA batch as required.
*/
- if (IS_SKL_REVID(dev, 0, SKL_REVID_E0))
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0))
/* WaDisableLSQCROPERFforOCL:skl */
I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) |
GEN8_LQSC_RO_PERF_DIS);
/* WaEnableGapsTsvCreditFix:skl */
- if (IS_SKL_REVID(dev, SKL_REVID_C0, REVID_FOREVER)) {
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, REVID_FOREVER)) {
I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) |
GEN9_GAPS_TSV_CREDIT_DISABLE));
}
/* WaDisablePowerCompilerClockGating:skl */
- if (IS_SKL_REVID(dev, SKL_REVID_B0, SKL_REVID_B0))
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_B0, SKL_REVID_B0))
WA_SET_BIT_MASKED(HIZ_CHICKEN,
BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE);
- /* This is tied to WaForceContextSaveRestoreNonCoherent */
- if (IS_SKL_REVID(dev, 0, REVID_FOREVER)) {
- /*
- *Use Force Non-Coherent whenever executing a 3D context. This
- * is a workaround for a possible hang in the unlikely event
- * a TLB invalidation occurs during a PSD flush.
- */
- /* WaForceEnableNonCoherent:skl */
- WA_SET_BIT_MASKED(HDC_CHICKEN0,
- HDC_FORCE_NON_COHERENT);
-
- /* WaDisableHDCInvalidation:skl */
- I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
- BDW_DISABLE_HDC_INVALIDATION);
- }
-
/* WaBarrierPerformanceFixDisable:skl */
- if (IS_SKL_REVID(dev, SKL_REVID_C0, SKL_REVID_D0))
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, SKL_REVID_D0))
WA_SET_BIT_MASKED(HDC_CHICKEN0,
HDC_FENCE_DEST_SLM_DISABLE |
HDC_BARRIER_PERFORMANCE_DISABLE);
/* WaDisableSbeCacheDispatchPortSharing:skl */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_F0))
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0))
WA_SET_BIT_MASKED(
GEN7_HALF_SLICE_CHICKEN1,
GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
+ /* WaDisableGafsUnitClkGating:skl */
+ WA_SET_BIT(GEN7_UCGCTL4, GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE);
+
/* WaDisableLSQCROPERFforOCL:skl */
- ret = wa_ring_whitelist_reg(ring, GEN8_L3SQCREG4);
+ ret = wa_ring_whitelist_reg(engine, GEN8_L3SQCREG4);
if (ret)
return ret;
- return skl_tune_iz_hashing(ring);
+ return skl_tune_iz_hashing(engine);
}
-static int bxt_init_workarounds(struct intel_engine_cs *ring)
+static int bxt_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- ret = gen9_init_workarounds(ring);
+ ret = gen9_init_workarounds(engine);
if (ret)
return ret;
/* WaStoreMultiplePTEenable:bxt */
/* This is a requirement according to Hardware specification */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_TLBPF);
/* WaSetClckGatingDisableMedia:bxt */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) &
~GEN8_DOP_CLOCK_GATE_MEDIA_ENABLE));
}
WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
STALL_DOP_GATING_DISABLE);
+ /* WaDisablePooledEuLoadBalancingFix:bxt */
+ if (IS_BXT_REVID(dev_priv, BXT_REVID_B0, REVID_FOREVER)) {
+ WA_SET_BIT_MASKED(FF_SLICE_CS_CHICKEN2,
+ GEN9_POOLED_EU_LOAD_BALANCING_FIX_DISABLE);
+ }
+
/* WaDisableSbeCacheDispatchPortSharing:bxt */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_B0)) {
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0)) {
WA_SET_BIT_MASKED(
GEN7_HALF_SLICE_CHICKEN1,
GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
/* WaDisableObjectLevelPreemptionForInstancedDraw:bxt */
/* WaDisableObjectLevelPreemtionForInstanceId:bxt */
/* WaDisableLSQCROPERFforOCL:bxt */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
- ret = wa_ring_whitelist_reg(ring, GEN9_CS_DEBUG_MODE1);
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
+ ret = wa_ring_whitelist_reg(engine, GEN9_CS_DEBUG_MODE1);
if (ret)
return ret;
- ret = wa_ring_whitelist_reg(ring, GEN8_L3SQCREG4);
+ ret = wa_ring_whitelist_reg(engine, GEN8_L3SQCREG4);
if (ret)
return ret;
}
+ /* WaProgramL3SqcReg1DefaultForPerf:bxt */
+ if (IS_BXT_REVID(dev_priv, BXT_REVID_B0, REVID_FOREVER))
+ I915_WRITE(GEN8_L3SQCREG1, L3_GENERAL_PRIO_CREDITS(62) |
+ L3_HIGH_PRIO_CREDITS(2));
+
+ /* WaInsertDummyPushConstPs:bxt */
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0))
+ WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
+ GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
+
return 0;
}
-int init_workarounds_ring(struct intel_engine_cs *ring)
+static int kbl_init_workarounds(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
+ int ret;
+
+ ret = gen9_init_workarounds(engine);
+ if (ret)
+ return ret;
+
+ /* WaEnableGapsTsvCreditFix:kbl */
+ I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) |
+ GEN9_GAPS_TSV_CREDIT_DISABLE));
+
+ /* WaDisableDynamicCreditSharing:kbl */
+ if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0))
+ WA_SET_BIT(GAMT_CHKN_BIT_REG,
+ GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING);
+
+ /* WaDisableFenceDestinationToSLM:kbl (pre-prod) */
+ if (IS_KBL_REVID(dev_priv, KBL_REVID_A0, KBL_REVID_A0))
+ WA_SET_BIT_MASKED(HDC_CHICKEN0,
+ HDC_FENCE_DEST_SLM_DISABLE);
+
+ /* GEN8_L3SQCREG4 has a dependency with WA batch so any new changes
+ * involving this register should also be added to WA batch as required.
+ */
+ if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_E0))
+ /* WaDisableLSQCROPERFforOCL:kbl */
+ I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) |
+ GEN8_LQSC_RO_PERF_DIS);
+
+ /* WaInsertDummyPushConstPs:kbl */
+ if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0))
+ WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
+ GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
+
+ /* WaDisableGafsUnitClkGating:kbl */
+ WA_SET_BIT(GEN7_UCGCTL4, GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE);
+
+ /* WaDisableSbeCacheDispatchPortSharing:kbl */
+ WA_SET_BIT_MASKED(
+ GEN7_HALF_SLICE_CHICKEN1,
+ GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
+
+ /* WaDisableLSQCROPERFforOCL:kbl */
+ ret = wa_ring_whitelist_reg(engine, GEN8_L3SQCREG4);
+ if (ret)
+ return ret;
- WARN_ON(ring->id != RCS);
+ return 0;
+}
+
+int init_workarounds_ring(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *dev_priv = engine->i915;
+
+ WARN_ON(engine->id != RCS);
dev_priv->workarounds.count = 0;
dev_priv->workarounds.hw_whitelist_count[RCS] = 0;
- if (IS_BROADWELL(dev))
- return bdw_init_workarounds(ring);
+ if (IS_BROADWELL(dev_priv))
+ return bdw_init_workarounds(engine);
+
+ if (IS_CHERRYVIEW(dev_priv))
+ return chv_init_workarounds(engine);
- if (IS_CHERRYVIEW(dev))
- return chv_init_workarounds(ring);
+ if (IS_SKYLAKE(dev_priv))
+ return skl_init_workarounds(engine);
- if (IS_SKYLAKE(dev))
- return skl_init_workarounds(ring);
+ if (IS_BROXTON(dev_priv))
+ return bxt_init_workarounds(engine);
- if (IS_BROXTON(dev))
- return bxt_init_workarounds(ring);
+ if (IS_KABYLAKE(dev_priv))
+ return kbl_init_workarounds(engine);
return 0;
}
-static int init_render_ring(struct intel_engine_cs *ring)
+static int init_render_ring(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- int ret = init_ring_common(ring);
+ struct drm_i915_private *dev_priv = engine->i915;
+ int ret = init_ring_common(engine);
if (ret)
return ret;
/* WaTimedSingleVertexDispatch:cl,bw,ctg,elk,ilk,snb */
- if (INTEL_INFO(dev)->gen >= 4 && INTEL_INFO(dev)->gen < 7)
+ if (IS_GEN(dev_priv, 4, 6))
I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH));
/* We need to disable the AsyncFlip performance optimisations in order
*
* WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv
*/
- if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8)
+ if (IS_GEN(dev_priv, 6, 7))
I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
/* Required for the hardware to program scanline values for waiting */
/* WaEnableFlushTlbInvalidationMode:snb */
- if (INTEL_INFO(dev)->gen == 6)
+ if (IS_GEN6(dev_priv))
I915_WRITE(GFX_MODE,
_MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_EXPLICIT));
/* WaBCSVCSTlbInvalidationMode:ivb,vlv,hsw */
- if (IS_GEN7(dev))
+ if (IS_GEN7(dev_priv))
I915_WRITE(GFX_MODE_GEN7,
_MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_EXPLICIT) |
_MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
- if (IS_GEN6(dev)) {
+ if (IS_GEN6(dev_priv)) {
/* From the Sandybridge PRM, volume 1 part 3, page 24:
* "If this bit is set, STCunit will have LRA as replacement
* policy. [...] This bit must be reset. LRA replacement
_MASKED_BIT_DISABLE(CM0_STC_EVICT_DISABLE_LRA_SNB));
}
- if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8)
+ if (IS_GEN(dev_priv, 6, 7))
I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING));
- if (HAS_L3_DPF(dev))
- I915_WRITE_IMR(ring, ~GT_PARITY_ERROR(dev));
+ if (HAS_L3_DPF(dev_priv))
+ I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev_priv));
- return init_workarounds_ring(ring);
+ return init_workarounds_ring(engine);
}
-static void render_ring_cleanup(struct intel_engine_cs *ring)
+static void render_ring_cleanup(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
if (dev_priv->semaphore_obj) {
i915_gem_object_ggtt_unpin(dev_priv->semaphore_obj);
dev_priv->semaphore_obj = NULL;
}
- intel_fini_pipe_control(ring);
+ intel_fini_pipe_control(engine);
}
static int gen8_rcs_signal(struct drm_i915_gem_request *signaller_req,
unsigned int num_dwords)
{
#define MBOX_UPDATE_DWORDS 8
- struct intel_engine_cs *signaller = signaller_req->ring;
- struct drm_device *dev = signaller->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_engine_cs *signaller = signaller_req->engine;
+ struct drm_i915_private *dev_priv = signaller_req->i915;
struct intel_engine_cs *waiter;
- int i, ret, num_rings;
+ enum intel_engine_id id;
+ int ret, num_rings;
- num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
+ num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask);
num_dwords += (num_rings-1) * MBOX_UPDATE_DWORDS;
#undef MBOX_UPDATE_DWORDS
if (ret)
return ret;
- for_each_ring(waiter, dev_priv, i) {
- u32 seqno;
- u64 gtt_offset = signaller->semaphore.signal_ggtt[i];
+ for_each_engine_id(waiter, dev_priv, id) {
+ u64 gtt_offset = signaller->semaphore.signal_ggtt[id];
if (gtt_offset == MI_SEMAPHORE_SYNC_INVALID)
continue;
- seqno = i915_gem_request_get_seqno(signaller_req);
intel_ring_emit(signaller, GFX_OP_PIPE_CONTROL(6));
intel_ring_emit(signaller, PIPE_CONTROL_GLOBAL_GTT_IVB |
PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_FLUSH_ENABLE);
+ PIPE_CONTROL_CS_STALL);
intel_ring_emit(signaller, lower_32_bits(gtt_offset));
intel_ring_emit(signaller, upper_32_bits(gtt_offset));
- intel_ring_emit(signaller, seqno);
+ intel_ring_emit(signaller, signaller_req->seqno);
intel_ring_emit(signaller, 0);
intel_ring_emit(signaller, MI_SEMAPHORE_SIGNAL |
- MI_SEMAPHORE_TARGET(waiter->id));
+ MI_SEMAPHORE_TARGET(waiter->hw_id));
intel_ring_emit(signaller, 0);
}
unsigned int num_dwords)
{
#define MBOX_UPDATE_DWORDS 6
- struct intel_engine_cs *signaller = signaller_req->ring;
- struct drm_device *dev = signaller->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_engine_cs *signaller = signaller_req->engine;
+ struct drm_i915_private *dev_priv = signaller_req->i915;
struct intel_engine_cs *waiter;
- int i, ret, num_rings;
+ enum intel_engine_id id;
+ int ret, num_rings;
- num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
+ num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask);
num_dwords += (num_rings-1) * MBOX_UPDATE_DWORDS;
#undef MBOX_UPDATE_DWORDS
if (ret)
return ret;
- for_each_ring(waiter, dev_priv, i) {
- u32 seqno;
- u64 gtt_offset = signaller->semaphore.signal_ggtt[i];
+ for_each_engine_id(waiter, dev_priv, id) {
+ u64 gtt_offset = signaller->semaphore.signal_ggtt[id];
if (gtt_offset == MI_SEMAPHORE_SYNC_INVALID)
continue;
- seqno = i915_gem_request_get_seqno(signaller_req);
intel_ring_emit(signaller, (MI_FLUSH_DW + 1) |
MI_FLUSH_DW_OP_STOREDW);
intel_ring_emit(signaller, lower_32_bits(gtt_offset) |
MI_FLUSH_DW_USE_GTT);
intel_ring_emit(signaller, upper_32_bits(gtt_offset));
- intel_ring_emit(signaller, seqno);
+ intel_ring_emit(signaller, signaller_req->seqno);
intel_ring_emit(signaller, MI_SEMAPHORE_SIGNAL |
- MI_SEMAPHORE_TARGET(waiter->id));
+ MI_SEMAPHORE_TARGET(waiter->hw_id));
intel_ring_emit(signaller, 0);
}
static int gen6_signal(struct drm_i915_gem_request *signaller_req,
unsigned int num_dwords)
{
- struct intel_engine_cs *signaller = signaller_req->ring;
- struct drm_device *dev = signaller->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_engine_cs *signaller = signaller_req->engine;
+ struct drm_i915_private *dev_priv = signaller_req->i915;
struct intel_engine_cs *useless;
- int i, ret, num_rings;
+ enum intel_engine_id id;
+ int ret, num_rings;
#define MBOX_UPDATE_DWORDS 3
- num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
+ num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask);
num_dwords += round_up((num_rings-1) * MBOX_UPDATE_DWORDS, 2);
#undef MBOX_UPDATE_DWORDS
if (ret)
return ret;
- for_each_ring(useless, dev_priv, i) {
- i915_reg_t mbox_reg = signaller->semaphore.mbox.signal[i];
+ for_each_engine_id(useless, dev_priv, id) {
+ i915_reg_t mbox_reg = signaller->semaphore.mbox.signal[id];
if (i915_mmio_reg_valid(mbox_reg)) {
- u32 seqno = i915_gem_request_get_seqno(signaller_req);
-
intel_ring_emit(signaller, MI_LOAD_REGISTER_IMM(1));
intel_ring_emit_reg(signaller, mbox_reg);
- intel_ring_emit(signaller, seqno);
+ intel_ring_emit(signaller, signaller_req->seqno);
}
}
static int
gen6_add_request(struct drm_i915_gem_request *req)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
- if (ring->semaphore.signal)
- ret = ring->semaphore.signal(req, 4);
+ if (engine->semaphore.signal)
+ ret = engine->semaphore.signal(req, 4);
else
ret = intel_ring_begin(req, 4);
if (ret)
return ret;
- intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
- intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- intel_ring_emit(ring, i915_gem_request_get_seqno(req));
- intel_ring_emit(ring, MI_USER_INTERRUPT);
- __intel_ring_advance(ring);
+ intel_ring_emit(engine, MI_STORE_DWORD_INDEX);
+ intel_ring_emit(engine,
+ I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ intel_ring_emit(engine, req->seqno);
+ intel_ring_emit(engine, MI_USER_INTERRUPT);
+ __intel_ring_advance(engine);
return 0;
}
-static inline bool i915_gem_has_seqno_wrapped(struct drm_device *dev,
+static int
+gen8_render_add_request(struct drm_i915_gem_request *req)
+{
+ struct intel_engine_cs *engine = req->engine;
+ int ret;
+
+ if (engine->semaphore.signal)
+ ret = engine->semaphore.signal(req, 8);
+ else
+ ret = intel_ring_begin(req, 8);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(6));
+ intel_ring_emit(engine, (PIPE_CONTROL_GLOBAL_GTT_IVB |
+ PIPE_CONTROL_CS_STALL |
+ PIPE_CONTROL_QW_WRITE));
+ intel_ring_emit(engine, intel_hws_seqno_address(req->engine));
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, i915_gem_request_get_seqno(req));
+ /* We're thrashing one dword of HWS. */
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, MI_USER_INTERRUPT);
+ intel_ring_emit(engine, MI_NOOP);
+ __intel_ring_advance(engine);
+
+ return 0;
+}
+
+static inline bool i915_gem_has_seqno_wrapped(struct drm_i915_private *dev_priv,
u32 seqno)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
return dev_priv->last_seqno < seqno;
}
struct intel_engine_cs *signaller,
u32 seqno)
{
- struct intel_engine_cs *waiter = waiter_req->ring;
- struct drm_i915_private *dev_priv = waiter->dev->dev_private;
+ struct intel_engine_cs *waiter = waiter_req->engine;
+ struct drm_i915_private *dev_priv = waiter_req->i915;
+ u64 offset = GEN8_WAIT_OFFSET(waiter, signaller->id);
+ struct i915_hw_ppgtt *ppgtt;
int ret;
ret = intel_ring_begin(waiter_req, 4);
intel_ring_emit(waiter, MI_SEMAPHORE_WAIT |
MI_SEMAPHORE_GLOBAL_GTT |
- MI_SEMAPHORE_POLL |
MI_SEMAPHORE_SAD_GTE_SDD);
intel_ring_emit(waiter, seqno);
- intel_ring_emit(waiter,
- lower_32_bits(GEN8_WAIT_OFFSET(waiter, signaller->id)));
- intel_ring_emit(waiter,
- upper_32_bits(GEN8_WAIT_OFFSET(waiter, signaller->id)));
+ intel_ring_emit(waiter, lower_32_bits(offset));
+ intel_ring_emit(waiter, upper_32_bits(offset));
intel_ring_advance(waiter);
+
+ /* When the !RCS engines idle waiting upon a semaphore, they lose their
+ * pagetables and we must reload them before executing the batch.
+ * We do this on the i915_switch_context() following the wait and
+ * before the dispatch.
+ */
+ ppgtt = waiter_req->ctx->ppgtt;
+ if (ppgtt && waiter_req->engine->id != RCS)
+ ppgtt->pd_dirty_rings |= intel_engine_flag(waiter_req->engine);
return 0;
}
struct intel_engine_cs *signaller,
u32 seqno)
{
- struct intel_engine_cs *waiter = waiter_req->ring;
+ struct intel_engine_cs *waiter = waiter_req->engine;
u32 dw1 = MI_SEMAPHORE_MBOX |
MI_SEMAPHORE_COMPARE |
MI_SEMAPHORE_REGISTER;
return ret;
/* If seqno wrap happened, omit the wait with no-ops */
- if (likely(!i915_gem_has_seqno_wrapped(waiter->dev, seqno))) {
+ if (likely(!i915_gem_has_seqno_wrapped(waiter_req->i915, seqno))) {
intel_ring_emit(waiter, dw1 | wait_mbox);
intel_ring_emit(waiter, seqno);
intel_ring_emit(waiter, 0);
return 0;
}
-#define PIPE_CONTROL_FLUSH(ring__, addr__) \
-do { \
- intel_ring_emit(ring__, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE | \
- PIPE_CONTROL_DEPTH_STALL); \
- intel_ring_emit(ring__, (addr__) | PIPE_CONTROL_GLOBAL_GTT); \
- intel_ring_emit(ring__, 0); \
- intel_ring_emit(ring__, 0); \
-} while (0)
-
-static int
-pc_render_add_request(struct drm_i915_gem_request *req)
+static void
+gen5_seqno_barrier(struct intel_engine_cs *ring)
{
- struct intel_engine_cs *ring = req->ring;
- u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
- int ret;
-
- /* For Ironlake, MI_USER_INTERRUPT was deprecated and apparently
- * incoherent with writes to memory, i.e. completely fubar,
- * so we need to use PIPE_NOTIFY instead.
+ /* MI_STORE are internally buffered by the GPU and not flushed
+ * either by MI_FLUSH or SyncFlush or any other combination of
+ * MI commands.
*
- * However, we also need to workaround the qword write
- * incoherence by flushing the 6 PIPE_NOTIFY buffers out to
- * memory before requesting an interrupt.
+ * "Only the submission of the store operation is guaranteed.
+ * The write result will be complete (coherent) some time later
+ * (this is practically a finite period but there is no guaranteed
+ * latency)."
+ *
+ * Empirically, we observe that we need a delay of at least 75us to
+ * be sure that the seqno write is visible by the CPU.
*/
- ret = intel_ring_begin(req, 32);
- if (ret)
- return ret;
-
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_WRITE_FLUSH |
- PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE);
- intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
- intel_ring_emit(ring, i915_gem_request_get_seqno(req));
- intel_ring_emit(ring, 0);
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 2 * CACHELINE_BYTES; /* write to separate cachelines */
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 2 * CACHELINE_BYTES;
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 2 * CACHELINE_BYTES;
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 2 * CACHELINE_BYTES;
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
- scratch_addr += 2 * CACHELINE_BYTES;
- PIPE_CONTROL_FLUSH(ring, scratch_addr);
-
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_WRITE_FLUSH |
- PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
- PIPE_CONTROL_NOTIFY);
- intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
- intel_ring_emit(ring, i915_gem_request_get_seqno(req));
- intel_ring_emit(ring, 0);
- __intel_ring_advance(ring);
-
- return 0;
+ usleep_range(125, 250);
}
-static u32
-gen6_ring_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency)
+static void
+gen6_seqno_barrier(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
+
/* Workaround to force correct ordering between irq and seqno writes on
* ivb (and maybe also on snb) by reading from a CS register (like
- * ACTHD) before reading the status page. */
- if (!lazy_coherency) {
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
- POSTING_READ(RING_ACTHD(ring->mmio_base));
- }
-
- return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
-}
-
-static u32
-ring_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency)
-{
- return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
+ * ACTHD) before reading the status page.
+ *
+ * Note that this effectively stalls the read by the time it takes to
+ * do a memory transaction, which more or less ensures that the write
+ * from the GPU has sufficient time to invalidate the CPU cacheline.
+ * Alternatively we could delay the interrupt from the CS ring to give
+ * the write time to land, but that would incur a delay after every
+ * batch i.e. much more frequent than a delay when waiting for the
+ * interrupt (with the same net latency).
+ *
+ * Also note that to prevent whole machine hangs on gen7, we have to
+ * take the spinlock to guard against concurrent cacheline access.
+ */
+ spin_lock_irq(&dev_priv->uncore.lock);
+ POSTING_READ_FW(RING_ACTHD(engine->mmio_base));
+ spin_unlock_irq(&dev_priv->uncore.lock);
}
static void
-ring_set_seqno(struct intel_engine_cs *ring, u32 seqno)
-{
- intel_write_status_page(ring, I915_GEM_HWS_INDEX, seqno);
-}
-
-static u32
-pc_render_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency)
+gen5_irq_enable(struct intel_engine_cs *engine)
{
- return ring->scratch.cpu_page[0];
+ gen5_enable_gt_irq(engine->i915, engine->irq_enable_mask);
}
static void
-pc_render_set_seqno(struct intel_engine_cs *ring, u32 seqno)
+gen5_irq_disable(struct intel_engine_cs *engine)
{
- ring->scratch.cpu_page[0] = seqno;
-}
-
-static bool
-gen5_ring_get_irq(struct intel_engine_cs *ring)
-{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount++ == 0)
- gen5_enable_gt_irq(dev_priv, ring->irq_enable_mask);
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ gen5_disable_gt_irq(engine->i915, engine->irq_enable_mask);
}
static void
-gen5_ring_put_irq(struct intel_engine_cs *ring)
+i9xx_irq_enable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
+ struct drm_i915_private *dev_priv = engine->i915;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount == 0)
- gen5_disable_gt_irq(dev_priv, ring->irq_enable_mask);
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-}
-
-static bool
-i9xx_ring_get_irq(struct intel_engine_cs *ring)
-{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
-
- if (!intel_irqs_enabled(dev_priv))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount++ == 0) {
- dev_priv->irq_mask &= ~ring->irq_enable_mask;
- I915_WRITE(IMR, dev_priv->irq_mask);
- POSTING_READ(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ dev_priv->irq_mask &= ~engine->irq_enable_mask;
+ I915_WRITE(IMR, dev_priv->irq_mask);
+ POSTING_READ_FW(RING_IMR(engine->mmio_base));
}
static void
-i9xx_ring_put_irq(struct intel_engine_cs *ring)
+i9xx_irq_disable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
+ struct drm_i915_private *dev_priv = engine->i915;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount == 0) {
- dev_priv->irq_mask |= ring->irq_enable_mask;
- I915_WRITE(IMR, dev_priv->irq_mask);
- POSTING_READ(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ dev_priv->irq_mask |= engine->irq_enable_mask;
+ I915_WRITE(IMR, dev_priv->irq_mask);
}
-static bool
-i8xx_ring_get_irq(struct intel_engine_cs *ring)
+static void
+i8xx_irq_enable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
-
- if (!intel_irqs_enabled(dev_priv))
- return false;
+ struct drm_i915_private *dev_priv = engine->i915;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount++ == 0) {
- dev_priv->irq_mask &= ~ring->irq_enable_mask;
- I915_WRITE16(IMR, dev_priv->irq_mask);
- POSTING_READ16(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
-
- return true;
+ dev_priv->irq_mask &= ~engine->irq_enable_mask;
+ I915_WRITE16(IMR, dev_priv->irq_mask);
+ POSTING_READ16(RING_IMR(engine->mmio_base));
}
static void
-i8xx_ring_put_irq(struct intel_engine_cs *ring)
+i8xx_irq_disable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
+ struct drm_i915_private *dev_priv = engine->i915;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount == 0) {
- dev_priv->irq_mask |= ring->irq_enable_mask;
- I915_WRITE16(IMR, dev_priv->irq_mask);
- POSTING_READ16(IMR);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ dev_priv->irq_mask |= engine->irq_enable_mask;
+ I915_WRITE16(IMR, dev_priv->irq_mask);
}
static int
u32 invalidate_domains,
u32 flush_domains)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 2);
if (ret)
return ret;
- intel_ring_emit(ring, MI_FLUSH);
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, MI_FLUSH);
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
return 0;
}
static int
i9xx_add_request(struct drm_i915_gem_request *req)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 4);
if (ret)
return ret;
- intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
- intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- intel_ring_emit(ring, i915_gem_request_get_seqno(req));
- intel_ring_emit(ring, MI_USER_INTERRUPT);
- __intel_ring_advance(ring);
+ intel_ring_emit(engine, MI_STORE_DWORD_INDEX);
+ intel_ring_emit(engine,
+ I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ intel_ring_emit(engine, req->seqno);
+ intel_ring_emit(engine, MI_USER_INTERRUPT);
+ __intel_ring_advance(engine);
return 0;
}
-static bool
-gen6_ring_get_irq(struct intel_engine_cs *ring)
+static void
+gen6_irq_enable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount++ == 0) {
- if (HAS_L3_DPF(dev) && ring->id == RCS)
- I915_WRITE_IMR(ring,
- ~(ring->irq_enable_mask |
- GT_PARITY_ERROR(dev)));
- else
- I915_WRITE_IMR(ring, ~ring->irq_enable_mask);
- gen5_enable_gt_irq(dev_priv, ring->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ struct drm_i915_private *dev_priv = engine->i915;
- return true;
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine,
+ ~(engine->irq_enable_mask |
+ GT_PARITY_ERROR(dev_priv)));
+ else
+ I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
+ gen5_enable_gt_irq(dev_priv, engine->irq_enable_mask);
}
static void
-gen6_ring_put_irq(struct intel_engine_cs *ring)
+gen6_irq_disable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
+ struct drm_i915_private *dev_priv = engine->i915;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount == 0) {
- if (HAS_L3_DPF(dev) && ring->id == RCS)
- I915_WRITE_IMR(ring, ~GT_PARITY_ERROR(dev));
- else
- I915_WRITE_IMR(ring, ~0);
- gen5_disable_gt_irq(dev_priv, ring->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev_priv));
+ else
+ I915_WRITE_IMR(engine, ~0);
+ gen5_disable_gt_irq(dev_priv, engine->irq_enable_mask);
}
-static bool
-hsw_vebox_get_irq(struct intel_engine_cs *ring)
+static void
+hsw_vebox_irq_enable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount++ == 0) {
- I915_WRITE_IMR(ring, ~ring->irq_enable_mask);
- gen6_enable_pm_irq(dev_priv, ring->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ struct drm_i915_private *dev_priv = engine->i915;
- return true;
+ I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
+ gen6_enable_pm_irq(dev_priv, engine->irq_enable_mask);
}
static void
-hsw_vebox_put_irq(struct intel_engine_cs *ring)
+hsw_vebox_irq_disable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
+ struct drm_i915_private *dev_priv = engine->i915;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount == 0) {
- I915_WRITE_IMR(ring, ~0);
- gen6_disable_pm_irq(dev_priv, ring->irq_enable_mask);
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ I915_WRITE_IMR(engine, ~0);
+ gen6_disable_pm_irq(dev_priv, engine->irq_enable_mask);
}
-static bool
-gen8_ring_get_irq(struct intel_engine_cs *ring)
+static void
+gen8_irq_enable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
-
- if (WARN_ON(!intel_irqs_enabled(dev_priv)))
- return false;
-
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount++ == 0) {
- if (HAS_L3_DPF(dev) && ring->id == RCS) {
- I915_WRITE_IMR(ring,
- ~(ring->irq_enable_mask |
- GT_RENDER_L3_PARITY_ERROR_INTERRUPT));
- } else {
- I915_WRITE_IMR(ring, ~ring->irq_enable_mask);
- }
- POSTING_READ(RING_IMR(ring->mmio_base));
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ struct drm_i915_private *dev_priv = engine->i915;
- return true;
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine,
+ ~(engine->irq_enable_mask |
+ GT_RENDER_L3_PARITY_ERROR_INTERRUPT));
+ else
+ I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
+ POSTING_READ_FW(RING_IMR(engine->mmio_base));
}
static void
-gen8_ring_put_irq(struct intel_engine_cs *ring)
+gen8_irq_disable(struct intel_engine_cs *engine)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long flags;
+ struct drm_i915_private *dev_priv = engine->i915;
- spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount == 0) {
- if (HAS_L3_DPF(dev) && ring->id == RCS) {
- I915_WRITE_IMR(ring,
- ~GT_RENDER_L3_PARITY_ERROR_INTERRUPT);
- } else {
- I915_WRITE_IMR(ring, ~0);
- }
- POSTING_READ(RING_IMR(ring->mmio_base));
- }
- spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine,
+ ~GT_RENDER_L3_PARITY_ERROR_INTERRUPT);
+ else
+ I915_WRITE_IMR(engine, ~0);
}
static int
u64 offset, u32 length,
unsigned dispatch_flags)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 2);
if (ret)
return ret;
- intel_ring_emit(ring,
+ intel_ring_emit(engine,
MI_BATCH_BUFFER_START |
MI_BATCH_GTT |
(dispatch_flags & I915_DISPATCH_SECURE ?
0 : MI_BATCH_NON_SECURE_I965));
- intel_ring_emit(ring, offset);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, offset);
+ intel_ring_advance(engine);
return 0;
}
u64 offset, u32 len,
unsigned dispatch_flags)
{
- struct intel_engine_cs *ring = req->ring;
- u32 cs_offset = ring->scratch.gtt_offset;
+ struct intel_engine_cs *engine = req->engine;
+ u32 cs_offset = engine->scratch.gtt_offset;
int ret;
ret = intel_ring_begin(req, 6);
return ret;
/* Evict the invalid PTE TLBs */
- intel_ring_emit(ring, COLOR_BLT_CMD | BLT_WRITE_RGBA);
- intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | 4096);
- intel_ring_emit(ring, I830_TLB_ENTRIES << 16 | 4); /* load each page */
- intel_ring_emit(ring, cs_offset);
- intel_ring_emit(ring, 0xdeadbeef);
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, COLOR_BLT_CMD | BLT_WRITE_RGBA);
+ intel_ring_emit(engine, BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | 4096);
+ intel_ring_emit(engine, I830_TLB_ENTRIES << 16 | 4); /* load each page */
+ intel_ring_emit(engine, cs_offset);
+ intel_ring_emit(engine, 0xdeadbeef);
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
if ((dispatch_flags & I915_DISPATCH_PINNED) == 0) {
if (len > I830_BATCH_LIMIT)
* stable batch scratch bo area (so that the CS never
* stumbles over its tlb invalidation bug) ...
*/
- intel_ring_emit(ring, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA);
- intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096);
- intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 4096);
- intel_ring_emit(ring, cs_offset);
- intel_ring_emit(ring, 4096);
- intel_ring_emit(ring, offset);
-
- intel_ring_emit(ring, MI_FLUSH);
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA);
+ intel_ring_emit(engine,
+ BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096);
+ intel_ring_emit(engine, DIV_ROUND_UP(len, 4096) << 16 | 4096);
+ intel_ring_emit(engine, cs_offset);
+ intel_ring_emit(engine, 4096);
+ intel_ring_emit(engine, offset);
+
+ intel_ring_emit(engine, MI_FLUSH);
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
/* ... and execute it. */
offset = cs_offset;
if (ret)
return ret;
- intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
- intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
- 0 : MI_BATCH_NON_SECURE));
- intel_ring_advance(ring);
+ intel_ring_emit(engine, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
+ intel_ring_emit(engine, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
+ 0 : MI_BATCH_NON_SECURE));
+ intel_ring_advance(engine);
return 0;
}
u64 offset, u32 len,
unsigned dispatch_flags)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 2);
if (ret)
return ret;
- intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
- intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
- 0 : MI_BATCH_NON_SECURE));
- intel_ring_advance(ring);
+ intel_ring_emit(engine, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
+ intel_ring_emit(engine, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
+ 0 : MI_BATCH_NON_SECURE));
+ intel_ring_advance(engine);
return 0;
}
-static void cleanup_phys_status_page(struct intel_engine_cs *ring)
+static void cleanup_phys_status_page(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = to_i915(ring->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
if (!dev_priv->status_page_dmah)
return;
- drm_pci_free(ring->dev, dev_priv->status_page_dmah);
- ring->status_page.page_addr = NULL;
+ drm_pci_free(dev_priv->dev, dev_priv->status_page_dmah);
+ engine->status_page.page_addr = NULL;
}
-static void cleanup_status_page(struct intel_engine_cs *ring)
+static void cleanup_status_page(struct intel_engine_cs *engine)
{
struct drm_i915_gem_object *obj;
- obj = ring->status_page.obj;
+ obj = engine->status_page.obj;
if (obj == NULL)
return;
kunmap(sg_page(obj->pages->sgl));
i915_gem_object_ggtt_unpin(obj);
drm_gem_object_unreference(&obj->base);
- ring->status_page.obj = NULL;
+ engine->status_page.obj = NULL;
}
-static int init_status_page(struct intel_engine_cs *ring)
+static int init_status_page(struct intel_engine_cs *engine)
{
- struct drm_i915_gem_object *obj = ring->status_page.obj;
+ struct drm_i915_gem_object *obj = engine->status_page.obj;
if (obj == NULL) {
unsigned flags;
int ret;
- obj = i915_gem_alloc_object(ring->dev, 4096);
- if (obj == NULL) {
+ obj = i915_gem_object_create(engine->i915->dev, 4096);
+ if (IS_ERR(obj)) {
DRM_ERROR("Failed to allocate status page\n");
- return -ENOMEM;
+ return PTR_ERR(obj);
}
ret = i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
goto err_unref;
flags = 0;
- if (!HAS_LLC(ring->dev))
+ if (!HAS_LLC(engine->i915))
/* On g33, we cannot place HWS above 256MiB, so
* restrict its pinning to the low mappable arena.
* Though this restriction is not documented for
return ret;
}
- ring->status_page.obj = obj;
+ engine->status_page.obj = obj;
}
- ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(obj);
- ring->status_page.page_addr = kmap(sg_page(obj->pages->sgl));
- memset(ring->status_page.page_addr, 0, PAGE_SIZE);
+ engine->status_page.gfx_addr = i915_gem_obj_ggtt_offset(obj);
+ engine->status_page.page_addr = kmap(sg_page(obj->pages->sgl));
+ memset(engine->status_page.page_addr, 0, PAGE_SIZE);
DRM_DEBUG_DRIVER("%s hws offset: 0x%08x\n",
- ring->name, ring->status_page.gfx_addr);
+ engine->name, engine->status_page.gfx_addr);
return 0;
}
-static int init_phys_status_page(struct intel_engine_cs *ring)
+static int init_phys_status_page(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
if (!dev_priv->status_page_dmah) {
dev_priv->status_page_dmah =
- drm_pci_alloc(ring->dev, PAGE_SIZE, PAGE_SIZE);
+ drm_pci_alloc(dev_priv->dev, PAGE_SIZE, PAGE_SIZE);
if (!dev_priv->status_page_dmah)
return -ENOMEM;
}
- ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr;
- memset(ring->status_page.page_addr, 0, PAGE_SIZE);
+ engine->status_page.page_addr = dev_priv->status_page_dmah->vaddr;
+ memset(engine->status_page.page_addr, 0, PAGE_SIZE);
return 0;
}
void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
{
+ GEM_BUG_ON(ringbuf->vma == NULL);
+ GEM_BUG_ON(ringbuf->virtual_start == NULL);
+
if (HAS_LLC(ringbuf->obj->base.dev) && !ringbuf->obj->stolen)
- vunmap(ringbuf->virtual_start);
+ i915_gem_object_unpin_map(ringbuf->obj);
else
- iounmap(ringbuf->virtual_start);
+ i915_vma_unpin_iomap(ringbuf->vma);
ringbuf->virtual_start = NULL;
- ringbuf->vma = NULL;
- i915_gem_object_ggtt_unpin(ringbuf->obj);
-}
-static u32 *vmap_obj(struct drm_i915_gem_object *obj)
-{
- struct sg_page_iter sg_iter;
- struct page **pages;
- void *addr;
- int i;
-
- pages = drm_malloc_ab(obj->base.size >> PAGE_SHIFT, sizeof(*pages));
- if (pages == NULL)
- return NULL;
-
- i = 0;
- for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0)
- pages[i++] = sg_page_iter_page(&sg_iter);
-
- addr = vmap(pages, i, 0, PAGE_KERNEL);
- drm_free_large(pages);
-
- return addr;
+ i915_gem_object_ggtt_unpin(ringbuf->obj);
+ ringbuf->vma = NULL;
}
-int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev,
+int intel_pin_and_map_ringbuffer_obj(struct drm_i915_private *dev_priv,
struct intel_ringbuffer *ringbuf)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_i915_gem_object *obj = ringbuf->obj;
/* Ring wraparound at offset 0 sometimes hangs. No idea why. */
unsigned flags = PIN_OFFSET_BIAS | 4096;
+ void *addr;
int ret;
if (HAS_LLC(dev_priv) && !obj->stolen) {
return ret;
ret = i915_gem_object_set_to_cpu_domain(obj, true);
- if (ret) {
- i915_gem_object_ggtt_unpin(obj);
- return ret;
- }
+ if (ret)
+ goto err_unpin;
- ringbuf->virtual_start = vmap_obj(obj);
- if (ringbuf->virtual_start == NULL) {
- i915_gem_object_ggtt_unpin(obj);
- return -ENOMEM;
+ addr = i915_gem_object_pin_map(obj);
+ if (IS_ERR(addr)) {
+ ret = PTR_ERR(addr);
+ goto err_unpin;
}
} else {
ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE,
return ret;
ret = i915_gem_object_set_to_gtt_domain(obj, true);
- if (ret) {
- i915_gem_object_ggtt_unpin(obj);
- return ret;
- }
+ if (ret)
+ goto err_unpin;
/* Access through the GTT requires the device to be awake. */
assert_rpm_wakelock_held(dev_priv);
- ringbuf->virtual_start = ioremap_wc(dev_priv->gtt.mappable_base +
- i915_gem_obj_ggtt_offset(obj), ringbuf->size);
- if (ringbuf->virtual_start == NULL) {
- i915_gem_object_ggtt_unpin(obj);
- return -EINVAL;
+ addr = i915_vma_pin_iomap(i915_gem_obj_to_ggtt(obj));
+ if (IS_ERR(addr)) {
+ ret = PTR_ERR(addr);
+ goto err_unpin;
}
}
+ ringbuf->virtual_start = addr;
ringbuf->vma = i915_gem_obj_to_ggtt(obj);
-
return 0;
+
+err_unpin:
+ i915_gem_object_ggtt_unpin(obj);
+ return ret;
}
static void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
if (!HAS_LLC(dev))
obj = i915_gem_object_create_stolen(dev, ringbuf->size);
if (obj == NULL)
- obj = i915_gem_alloc_object(dev, ringbuf->size);
- if (obj == NULL)
- return -ENOMEM;
+ obj = i915_gem_object_create(dev, ringbuf->size);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
/* mark ring buffers as read-only from GPU side by default */
obj->gt_ro = 1;
return ERR_PTR(-ENOMEM);
}
- ring->ring = engine;
+ ring->engine = engine;
list_add(&ring->link, &engine->buffers);
ring->size = size;
* of the buffer.
*/
ring->effective_size = size;
- if (IS_I830(engine->dev) || IS_845G(engine->dev))
+ if (IS_I830(engine->i915) || IS_845G(engine->i915))
ring->effective_size -= 2 * CACHELINE_BYTES;
ring->last_retired_head = -1;
intel_ring_update_space(ring);
- ret = intel_alloc_ringbuffer_obj(engine->dev, ring);
+ ret = intel_alloc_ringbuffer_obj(engine->i915->dev, ring);
if (ret) {
DRM_DEBUG_DRIVER("Failed to allocate ringbuffer %s: %d\n",
engine->name, ret);
kfree(ring);
}
+static int intel_ring_context_pin(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine)
+{
+ struct intel_context *ce = &ctx->engine[engine->id];
+ int ret;
+
+ lockdep_assert_held(&ctx->i915->dev->struct_mutex);
+
+ if (ce->pin_count++)
+ return 0;
+
+ if (ce->state) {
+ ret = i915_gem_obj_ggtt_pin(ce->state, ctx->ggtt_alignment, 0);
+ if (ret)
+ goto error;
+ }
+
+ /* The kernel context is only used as a placeholder for flushing the
+ * active context. It is never used for submitting user rendering and
+ * as such never requires the golden render context, and so we can skip
+ * emitting it when we switch to the kernel context. This is required
+ * as during eviction we cannot allocate and pin the renderstate in
+ * order to initialise the context.
+ */
+ if (ctx == ctx->i915->kernel_context)
+ ce->initialised = true;
+
+ i915_gem_context_reference(ctx);
+ return 0;
+
+error:
+ ce->pin_count = 0;
+ return ret;
+}
+
+static void intel_ring_context_unpin(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine)
+{
+ struct intel_context *ce = &ctx->engine[engine->id];
+
+ lockdep_assert_held(&ctx->i915->dev->struct_mutex);
+
+ if (--ce->pin_count)
+ return;
+
+ if (ce->state)
+ i915_gem_object_ggtt_unpin(ce->state);
+
+ i915_gem_context_unreference(ctx);
+}
+
static int intel_init_ring_buffer(struct drm_device *dev,
- struct intel_engine_cs *ring)
+ struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_ringbuffer *ringbuf;
int ret;
- WARN_ON(ring->buffer);
+ WARN_ON(engine->buffer);
+
+ engine->i915 = dev_priv;
+ INIT_LIST_HEAD(&engine->active_list);
+ INIT_LIST_HEAD(&engine->request_list);
+ INIT_LIST_HEAD(&engine->execlist_queue);
+ INIT_LIST_HEAD(&engine->buffers);
+ i915_gem_batch_pool_init(dev, &engine->batch_pool);
+ memset(engine->semaphore.sync_seqno, 0,
+ sizeof(engine->semaphore.sync_seqno));
- ring->dev = dev;
- INIT_LIST_HEAD(&ring->active_list);
- INIT_LIST_HEAD(&ring->request_list);
- INIT_LIST_HEAD(&ring->execlist_queue);
- INIT_LIST_HEAD(&ring->buffers);
- i915_gem_batch_pool_init(dev, &ring->batch_pool);
- memset(ring->semaphore.sync_seqno, 0, sizeof(ring->semaphore.sync_seqno));
+ ret = intel_engine_init_breadcrumbs(engine);
+ if (ret)
+ goto error;
- init_waitqueue_head(&ring->irq_queue);
+ /* We may need to do things with the shrinker which
+ * require us to immediately switch back to the default
+ * context. This can cause a problem as pinning the
+ * default context also requires GTT space which may not
+ * be available. To avoid this we always pin the default
+ * context.
+ */
+ ret = intel_ring_context_pin(dev_priv->kernel_context, engine);
+ if (ret)
+ goto error;
- ringbuf = intel_engine_create_ringbuffer(ring, 32 * PAGE_SIZE);
+ ringbuf = intel_engine_create_ringbuffer(engine, 32 * PAGE_SIZE);
if (IS_ERR(ringbuf)) {
ret = PTR_ERR(ringbuf);
goto error;
}
- ring->buffer = ringbuf;
+ engine->buffer = ringbuf;
- if (I915_NEED_GFX_HWS(dev)) {
- ret = init_status_page(ring);
+ if (I915_NEED_GFX_HWS(dev_priv)) {
+ ret = init_status_page(engine);
if (ret)
goto error;
} else {
- WARN_ON(ring->id != RCS);
- ret = init_phys_status_page(ring);
+ WARN_ON(engine->id != RCS);
+ ret = init_phys_status_page(engine);
if (ret)
goto error;
}
- ret = intel_pin_and_map_ringbuffer_obj(dev, ringbuf);
+ ret = intel_pin_and_map_ringbuffer_obj(dev_priv, ringbuf);
if (ret) {
DRM_ERROR("Failed to pin and map ringbuffer %s: %d\n",
- ring->name, ret);
+ engine->name, ret);
intel_destroy_ringbuffer_obj(ringbuf);
goto error;
}
- ret = i915_cmd_parser_init_ring(ring);
+ ret = i915_cmd_parser_init_ring(engine);
if (ret)
goto error;
return 0;
error:
- intel_cleanup_ring_buffer(ring);
+ intel_cleanup_engine(engine);
return ret;
}
-void intel_cleanup_ring_buffer(struct intel_engine_cs *ring)
+void intel_cleanup_engine(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv;
- if (!intel_ring_initialized(ring))
+ if (!intel_engine_initialized(engine))
return;
- dev_priv = to_i915(ring->dev);
+ dev_priv = engine->i915;
- if (ring->buffer) {
- intel_stop_ring_buffer(ring);
- WARN_ON(!IS_GEN2(ring->dev) && (I915_READ_MODE(ring) & MODE_IDLE) == 0);
+ if (engine->buffer) {
+ intel_stop_engine(engine);
+ WARN_ON(!IS_GEN2(dev_priv) && (I915_READ_MODE(engine) & MODE_IDLE) == 0);
- intel_unpin_ringbuffer_obj(ring->buffer);
- intel_ringbuffer_free(ring->buffer);
- ring->buffer = NULL;
+ intel_unpin_ringbuffer_obj(engine->buffer);
+ intel_ringbuffer_free(engine->buffer);
+ engine->buffer = NULL;
}
- if (ring->cleanup)
- ring->cleanup(ring);
+ if (engine->cleanup)
+ engine->cleanup(engine);
- if (I915_NEED_GFX_HWS(ring->dev)) {
- cleanup_status_page(ring);
+ if (I915_NEED_GFX_HWS(dev_priv)) {
+ cleanup_status_page(engine);
} else {
- WARN_ON(ring->id != RCS);
- cleanup_phys_status_page(ring);
- }
-
- i915_cmd_parser_fini_ring(ring);
- i915_gem_batch_pool_fini(&ring->batch_pool);
- ring->dev = NULL;
-}
-
-static int ring_wait_for_space(struct intel_engine_cs *ring, int n)
-{
- struct intel_ringbuffer *ringbuf = ring->buffer;
- struct drm_i915_gem_request *request;
- unsigned space;
- int ret;
-
- if (intel_ring_space(ringbuf) >= n)
- return 0;
-
- /* The whole point of reserving space is to not wait! */
- WARN_ON(ringbuf->reserved_in_use);
-
- list_for_each_entry(request, &ring->request_list, list) {
- space = __intel_ring_space(request->postfix, ringbuf->tail,
- ringbuf->size);
- if (space >= n)
- break;
+ WARN_ON(engine->id != RCS);
+ cleanup_phys_status_page(engine);
}
- if (WARN_ON(&request->list == &ring->request_list))
- return -ENOSPC;
+ i915_cmd_parser_fini_ring(engine);
+ i915_gem_batch_pool_fini(&engine->batch_pool);
+ intel_engine_fini_breadcrumbs(engine);
- ret = i915_wait_request(request);
- if (ret)
- return ret;
+ intel_ring_context_unpin(dev_priv->kernel_context, engine);
- ringbuf->space = space;
- return 0;
+ engine->i915 = NULL;
}
-static void __wrap_ring_buffer(struct intel_ringbuffer *ringbuf)
-{
- uint32_t __iomem *virt;
- int rem = ringbuf->size - ringbuf->tail;
-
- virt = ringbuf->virtual_start + ringbuf->tail;
- rem /= 4;
- while (rem--)
- iowrite32(MI_NOOP, virt++);
-
- ringbuf->tail = 0;
- intel_ring_update_space(ringbuf);
-}
-
-int intel_ring_idle(struct intel_engine_cs *ring)
+int intel_engine_idle(struct intel_engine_cs *engine)
{
struct drm_i915_gem_request *req;
/* Wait upon the last request to be completed */
- if (list_empty(&ring->request_list))
+ if (list_empty(&engine->request_list))
return 0;
- req = list_entry(ring->request_list.prev,
- struct drm_i915_gem_request,
- list);
+ req = list_entry(engine->request_list.prev,
+ struct drm_i915_gem_request,
+ list);
/* Make sure we do not trigger any retires */
return __i915_wait_request(req,
- atomic_read(&to_i915(ring->dev)->gpu_error.reset_counter),
- to_i915(ring->dev)->mm.interruptible,
+ req->i915->mm.interruptible,
NULL, NULL);
}
int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request)
{
- request->ringbuf = request->ring->buffer;
- return 0;
-}
+ int ret;
-int intel_ring_reserve_space(struct drm_i915_gem_request *request)
-{
- /*
- * The first call merely notes the reserve request and is common for
- * all back ends. The subsequent localised _begin() call actually
- * ensures that the reservation is available. Without the begin, if
- * the request creator immediately submitted the request without
- * adding any commands to it then there might not actually be
- * sufficient room for the submission commands.
+ /* Flush enough space to reduce the likelihood of waiting after
+ * we start building the request - in which case we will just
+ * have to repeat work.
*/
- intel_ring_reserved_space_reserve(request->ringbuf, MIN_SPACE_FOR_ADD_REQUEST);
+ request->reserved_space += LEGACY_REQUEST_SIZE;
- return intel_ring_begin(request, 0);
-}
+ request->ringbuf = request->engine->buffer;
-void intel_ring_reserved_space_reserve(struct intel_ringbuffer *ringbuf, int size)
-{
- WARN_ON(ringbuf->reserved_size);
- WARN_ON(ringbuf->reserved_in_use);
+ ret = intel_ring_begin(request, 0);
+ if (ret)
+ return ret;
- ringbuf->reserved_size = size;
+ request->reserved_space -= LEGACY_REQUEST_SIZE;
+ return 0;
}
-void intel_ring_reserved_space_cancel(struct intel_ringbuffer *ringbuf)
+static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
{
- WARN_ON(ringbuf->reserved_in_use);
+ struct intel_ringbuffer *ringbuf = req->ringbuf;
+ struct intel_engine_cs *engine = req->engine;
+ struct drm_i915_gem_request *target;
- ringbuf->reserved_size = 0;
- ringbuf->reserved_in_use = false;
-}
+ intel_ring_update_space(ringbuf);
+ if (ringbuf->space >= bytes)
+ return 0;
-void intel_ring_reserved_space_use(struct intel_ringbuffer *ringbuf)
-{
- WARN_ON(ringbuf->reserved_in_use);
+ /*
+ * Space is reserved in the ringbuffer for finalising the request,
+ * as that cannot be allowed to fail. During request finalisation,
+ * reserved_space is set to 0 to stop the overallocation and the
+ * assumption is that then we never need to wait (which has the
+ * risk of failing with EINTR).
+ *
+ * See also i915_gem_request_alloc() and i915_add_request().
+ */
+ GEM_BUG_ON(!req->reserved_space);
- ringbuf->reserved_in_use = true;
- ringbuf->reserved_tail = ringbuf->tail;
-}
+ list_for_each_entry(target, &engine->request_list, list) {
+ unsigned space;
-void intel_ring_reserved_space_end(struct intel_ringbuffer *ringbuf)
-{
- WARN_ON(!ringbuf->reserved_in_use);
- if (ringbuf->tail > ringbuf->reserved_tail) {
- WARN(ringbuf->tail > ringbuf->reserved_tail + ringbuf->reserved_size,
- "request reserved size too small: %d vs %d!\n",
- ringbuf->tail - ringbuf->reserved_tail, ringbuf->reserved_size);
- } else {
/*
- * The ring was wrapped while the reserved space was in use.
- * That means that some unknown amount of the ring tail was
- * no-op filled and skipped. Thus simply adding the ring size
- * to the tail and doing the above space check will not work.
- * Rather than attempt to track how much tail was skipped,
- * it is much simpler to say that also skipping the sanity
- * check every once in a while is not a big issue.
+ * The request queue is per-engine, so can contain requests
+ * from multiple ringbuffers. Here, we must ignore any that
+ * aren't from the ringbuffer we're considering.
*/
+ if (target->ringbuf != ringbuf)
+ continue;
+
+ /* Would completion of this request free enough space? */
+ space = __intel_ring_space(target->postfix, ringbuf->tail,
+ ringbuf->size);
+ if (space >= bytes)
+ break;
}
- ringbuf->reserved_size = 0;
- ringbuf->reserved_in_use = false;
+ if (WARN_ON(&target->list == &engine->request_list))
+ return -ENOSPC;
+
+ return i915_wait_request(target);
}
-static int __intel_ring_prepare(struct intel_engine_cs *ring, int bytes)
+int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
{
- struct intel_ringbuffer *ringbuf = ring->buffer;
- int remain_usable = ringbuf->effective_size - ringbuf->tail;
+ struct intel_ringbuffer *ringbuf = req->ringbuf;
int remain_actual = ringbuf->size - ringbuf->tail;
- int ret, total_bytes, wait_bytes = 0;
+ int remain_usable = ringbuf->effective_size - ringbuf->tail;
+ int bytes = num_dwords * sizeof(u32);
+ int total_bytes, wait_bytes;
bool need_wrap = false;
- if (ringbuf->reserved_in_use)
- total_bytes = bytes;
- else
- total_bytes = bytes + ringbuf->reserved_size;
+ total_bytes = bytes + req->reserved_space;
if (unlikely(bytes > remain_usable)) {
/*
*/
wait_bytes = remain_actual + total_bytes;
need_wrap = true;
+ } else if (unlikely(total_bytes > remain_usable)) {
+ /*
+ * The base request will fit but the reserved space
+ * falls off the end. So we don't need an immediate wrap
+ * and only need to effectively wait for the reserved
+ * size space from the start of ringbuffer.
+ */
+ wait_bytes = remain_actual + req->reserved_space;
} else {
- if (unlikely(total_bytes > remain_usable)) {
- /*
- * The base request will fit but the reserved space
- * falls off the end. So don't need an immediate wrap
- * and only need to effectively wait for the reserved
- * size space from the start of ringbuffer.
- */
- wait_bytes = remain_actual + ringbuf->reserved_size;
- } else if (total_bytes > ringbuf->space) {
- /* No wrapping required, just waiting. */
- wait_bytes = total_bytes;
- }
+ /* No wrapping required, just waiting. */
+ wait_bytes = total_bytes;
}
- if (wait_bytes) {
- ret = ring_wait_for_space(ring, wait_bytes);
+ if (wait_bytes > ringbuf->space) {
+ int ret = wait_for_space(req, wait_bytes);
if (unlikely(ret))
return ret;
- if (need_wrap)
- __wrap_ring_buffer(ringbuf);
+ intel_ring_update_space(ringbuf);
+ if (unlikely(ringbuf->space < wait_bytes))
+ return -EAGAIN;
}
- return 0;
-}
-
-int intel_ring_begin(struct drm_i915_gem_request *req,
- int num_dwords)
-{
- struct intel_engine_cs *ring;
- struct drm_i915_private *dev_priv;
- int ret;
+ if (unlikely(need_wrap)) {
+ GEM_BUG_ON(remain_actual > ringbuf->space);
+ GEM_BUG_ON(ringbuf->tail + remain_actual > ringbuf->size);
- WARN_ON(req == NULL);
- ring = req->ring;
- dev_priv = ring->dev->dev_private;
-
- ret = i915_gem_check_wedge(&dev_priv->gpu_error,
- dev_priv->mm.interruptible);
- if (ret)
- return ret;
-
- ret = __intel_ring_prepare(ring, num_dwords * sizeof(uint32_t));
- if (ret)
- return ret;
+ /* Fill the tail with MI_NOOP */
+ memset(ringbuf->virtual_start + ringbuf->tail,
+ 0, remain_actual);
+ ringbuf->tail = 0;
+ ringbuf->space -= remain_actual;
+ }
- ring->buffer->space -= num_dwords * sizeof(uint32_t);
+ ringbuf->space -= bytes;
+ GEM_BUG_ON(ringbuf->space < 0);
return 0;
}
/* Align the ring tail to a cacheline boundary */
int intel_ring_cacheline_align(struct drm_i915_gem_request *req)
{
- struct intel_engine_cs *ring = req->ring;
- int num_dwords = (ring->buffer->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t);
+ struct intel_engine_cs *engine = req->engine;
+ int num_dwords = (engine->buffer->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t);
int ret;
if (num_dwords == 0)
return ret;
while (num_dwords--)
- intel_ring_emit(ring, MI_NOOP);
+ intel_ring_emit(engine, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_advance(engine);
return 0;
}
-void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno)
+void intel_ring_init_seqno(struct intel_engine_cs *engine, u32 seqno)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
- if (INTEL_INFO(dev)->gen == 6 || INTEL_INFO(dev)->gen == 7) {
- I915_WRITE(RING_SYNC_0(ring->mmio_base), 0);
- I915_WRITE(RING_SYNC_1(ring->mmio_base), 0);
- if (HAS_VEBOX(dev))
- I915_WRITE(RING_SYNC_2(ring->mmio_base), 0);
+ /* Our semaphore implementation is strictly monotonic (i.e. we proceed
+ * so long as the semaphore value in the register/page is greater
+ * than the sync value), so whenever we reset the seqno,
+ * so long as we reset the tracking semaphore value to 0, it will
+ * always be before the next request's seqno. If we don't reset
+ * the semaphore value, then when the seqno moves backwards all
+ * future waits will complete instantly (causing rendering corruption).
+ */
+ if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv)) {
+ I915_WRITE(RING_SYNC_0(engine->mmio_base), 0);
+ I915_WRITE(RING_SYNC_1(engine->mmio_base), 0);
+ if (HAS_VEBOX(dev_priv))
+ I915_WRITE(RING_SYNC_2(engine->mmio_base), 0);
}
+ if (dev_priv->semaphore_obj) {
+ struct drm_i915_gem_object *obj = dev_priv->semaphore_obj;
+ struct page *page = i915_gem_object_get_dirty_page(obj, 0);
+ void *semaphores = kmap(page);
+ memset(semaphores + GEN8_SEMAPHORE_OFFSET(engine->id, 0),
+ 0, I915_NUM_ENGINES * gen8_semaphore_seqno_size);
+ kunmap(page);
+ }
+ memset(engine->semaphore.sync_seqno, 0,
+ sizeof(engine->semaphore.sync_seqno));
+
+ intel_write_status_page(engine, I915_GEM_HWS_INDEX, seqno);
+ if (engine->irq_seqno_barrier)
+ engine->irq_seqno_barrier(engine);
+ engine->last_submitted_seqno = seqno;
- ring->set_seqno(ring, seqno);
- ring->hangcheck.seqno = seqno;
+ engine->hangcheck.seqno = seqno;
+
+ /* After manually advancing the seqno, fake the interrupt in case
+ * there are any waiters for that seqno.
+ */
+ rcu_read_lock();
+ intel_engine_wakeup(engine);
+ rcu_read_unlock();
}
-static void gen6_bsd_ring_write_tail(struct intel_engine_cs *ring,
+static void gen6_bsd_ring_write_tail(struct intel_engine_cs *engine,
u32 value)
{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
+
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* Every tail move must follow the sequence below */
/* Disable notification that the ring is IDLE. The GT
* will then assume that it is busy and bring it out of rc6.
*/
- I915_WRITE(GEN6_BSD_SLEEP_PSMI_CONTROL,
- _MASKED_BIT_ENABLE(GEN6_BSD_SLEEP_MSG_DISABLE));
+ I915_WRITE_FW(GEN6_BSD_SLEEP_PSMI_CONTROL,
+ _MASKED_BIT_ENABLE(GEN6_BSD_SLEEP_MSG_DISABLE));
/* Clear the context id. Here be magic! */
- I915_WRITE64(GEN6_BSD_RNCID, 0x0);
+ I915_WRITE64_FW(GEN6_BSD_RNCID, 0x0);
/* Wait for the ring not to be idle, i.e. for it to wake up. */
- if (wait_for((I915_READ(GEN6_BSD_SLEEP_PSMI_CONTROL) &
- GEN6_BSD_SLEEP_INDICATOR) == 0,
- 50))
+ if (intel_wait_for_register_fw(dev_priv,
+ GEN6_BSD_SLEEP_PSMI_CONTROL,
+ GEN6_BSD_SLEEP_INDICATOR,
+ 0,
+ 50))
DRM_ERROR("timed out waiting for the BSD ring to wake up\n");
/* Now that the ring is fully powered up, update the tail */
- I915_WRITE_TAIL(ring, value);
- POSTING_READ(RING_TAIL(ring->mmio_base));
+ I915_WRITE_FW(RING_TAIL(engine->mmio_base), value);
+ POSTING_READ_FW(RING_TAIL(engine->mmio_base));
/* Let the ring send IDLE messages to the GT again,
* and so let it sleep to conserve power when idle.
*/
- I915_WRITE(GEN6_BSD_SLEEP_PSMI_CONTROL,
- _MASKED_BIT_DISABLE(GEN6_BSD_SLEEP_MSG_DISABLE));
+ I915_WRITE_FW(GEN6_BSD_SLEEP_PSMI_CONTROL,
+ _MASKED_BIT_DISABLE(GEN6_BSD_SLEEP_MSG_DISABLE));
+
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
static int gen6_bsd_ring_flush(struct drm_i915_gem_request *req,
u32 invalidate, u32 flush)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
uint32_t cmd;
int ret;
return ret;
cmd = MI_FLUSH_DW;
- if (INTEL_INFO(ring->dev)->gen >= 8)
+ if (INTEL_GEN(req->i915) >= 8)
cmd += 1;
/* We always require a command barrier so that subsequent
if (invalidate & I915_GEM_GPU_DOMAINS)
cmd |= MI_INVALIDATE_TLB | MI_INVALIDATE_BSD;
- intel_ring_emit(ring, cmd);
- intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
- if (INTEL_INFO(ring->dev)->gen >= 8) {
- intel_ring_emit(ring, 0); /* upper addr */
- intel_ring_emit(ring, 0); /* value */
+ intel_ring_emit(engine, cmd);
+ intel_ring_emit(engine,
+ I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
+ if (INTEL_GEN(req->i915) >= 8) {
+ intel_ring_emit(engine, 0); /* upper addr */
+ intel_ring_emit(engine, 0); /* value */
} else {
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, MI_NOOP);
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, MI_NOOP);
}
- intel_ring_advance(ring);
+ intel_ring_advance(engine);
return 0;
}
u64 offset, u32 len,
unsigned dispatch_flags)
{
- struct intel_engine_cs *ring = req->ring;
- bool ppgtt = USES_PPGTT(ring->dev) &&
+ struct intel_engine_cs *engine = req->engine;
+ bool ppgtt = USES_PPGTT(engine->dev) &&
!(dispatch_flags & I915_DISPATCH_SECURE);
int ret;
return ret;
/* FIXME(BDW): Address space and security selectors. */
- intel_ring_emit(ring, MI_BATCH_BUFFER_START_GEN8 | (ppgtt<<8) |
+ intel_ring_emit(engine, MI_BATCH_BUFFER_START_GEN8 | (ppgtt<<8) |
(dispatch_flags & I915_DISPATCH_RS ?
MI_BATCH_RESOURCE_STREAMER : 0));
- intel_ring_emit(ring, lower_32_bits(offset));
- intel_ring_emit(ring, upper_32_bits(offset));
- intel_ring_emit(ring, MI_NOOP);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, lower_32_bits(offset));
+ intel_ring_emit(engine, upper_32_bits(offset));
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
return 0;
}
u64 offset, u32 len,
unsigned dispatch_flags)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 2);
if (ret)
return ret;
- intel_ring_emit(ring,
+ intel_ring_emit(engine,
MI_BATCH_BUFFER_START |
(dispatch_flags & I915_DISPATCH_SECURE ?
0 : MI_BATCH_PPGTT_HSW | MI_BATCH_NON_SECURE_HSW) |
(dispatch_flags & I915_DISPATCH_RS ?
MI_BATCH_RESOURCE_STREAMER : 0));
/* bit0-7 is the length on GEN6+ */
- intel_ring_emit(ring, offset);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, offset);
+ intel_ring_advance(engine);
return 0;
}
u64 offset, u32 len,
unsigned dispatch_flags)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
ret = intel_ring_begin(req, 2);
if (ret)
return ret;
- intel_ring_emit(ring,
+ intel_ring_emit(engine,
MI_BATCH_BUFFER_START |
(dispatch_flags & I915_DISPATCH_SECURE ?
0 : MI_BATCH_NON_SECURE_I965));
/* bit0-7 is the length on GEN6+ */
- intel_ring_emit(ring, offset);
- intel_ring_advance(ring);
+ intel_ring_emit(engine, offset);
+ intel_ring_advance(engine);
return 0;
}
static int gen6_ring_flush(struct drm_i915_gem_request *req,
u32 invalidate, u32 flush)
{
- struct intel_engine_cs *ring = req->ring;
- struct drm_device *dev = ring->dev;
+ struct intel_engine_cs *engine = req->engine;
uint32_t cmd;
int ret;
return ret;
cmd = MI_FLUSH_DW;
- if (INTEL_INFO(dev)->gen >= 8)
+ if (INTEL_GEN(req->i915) >= 8)
cmd += 1;
/* We always require a command barrier so that subsequent
*/
if (invalidate & I915_GEM_DOMAIN_RENDER)
cmd |= MI_INVALIDATE_TLB;
- intel_ring_emit(ring, cmd);
- intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
- if (INTEL_INFO(dev)->gen >= 8) {
- intel_ring_emit(ring, 0); /* upper addr */
- intel_ring_emit(ring, 0); /* value */
+ intel_ring_emit(engine, cmd);
+ intel_ring_emit(engine,
+ I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
+ if (INTEL_GEN(req->i915) >= 8) {
+ intel_ring_emit(engine, 0); /* upper addr */
+ intel_ring_emit(engine, 0); /* value */
} else {
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, MI_NOOP);
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, MI_NOOP);
}
- intel_ring_advance(ring);
+ intel_ring_advance(engine);
return 0;
}
-int intel_init_render_ring_buffer(struct drm_device *dev)
+static void intel_ring_init_semaphores(struct drm_i915_private *dev_priv,
+ struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = &dev_priv->ring[RCS];
struct drm_i915_gem_object *obj;
- int ret;
+ int ret, i;
- ring->name = "render ring";
- ring->id = RCS;
- ring->exec_id = I915_EXEC_RENDER;
- ring->mmio_base = RENDER_RING_BASE;
+ if (!i915_semaphore_is_enabled(dev_priv))
+ return;
- if (INTEL_INFO(dev)->gen >= 8) {
- if (i915_semaphore_is_enabled(dev)) {
- obj = i915_gem_alloc_object(dev, 4096);
- if (obj == NULL) {
- DRM_ERROR("Failed to allocate semaphore bo. Disabling semaphores\n");
+ if (INTEL_GEN(dev_priv) >= 8 && !dev_priv->semaphore_obj) {
+ obj = i915_gem_object_create(dev_priv->dev, 4096);
+ if (IS_ERR(obj)) {
+ DRM_ERROR("Failed to allocate semaphore bo. Disabling semaphores\n");
+ i915.semaphores = 0;
+ } else {
+ i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
+ ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_NONBLOCK);
+ if (ret != 0) {
+ drm_gem_object_unreference(&obj->base);
+ DRM_ERROR("Failed to pin semaphore bo. Disabling semaphores\n");
i915.semaphores = 0;
} else {
- i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
- ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_NONBLOCK);
- if (ret != 0) {
- drm_gem_object_unreference(&obj->base);
- DRM_ERROR("Failed to pin semaphore bo. Disabling semaphores\n");
- i915.semaphores = 0;
- } else
- dev_priv->semaphore_obj = obj;
+ dev_priv->semaphore_obj = obj;
}
}
+ }
+
+ if (!i915_semaphore_is_enabled(dev_priv))
+ return;
+
+ if (INTEL_GEN(dev_priv) >= 8) {
+ u64 offset = i915_gem_obj_ggtt_offset(dev_priv->semaphore_obj);
+
+ engine->semaphore.sync_to = gen8_ring_sync;
+ engine->semaphore.signal = gen8_xcs_signal;
+
+ for (i = 0; i < I915_NUM_ENGINES; i++) {
+ u64 ring_offset;
+
+ if (i != engine->id)
+ ring_offset = offset + GEN8_SEMAPHORE_OFFSET(engine->id, i);
+ else
+ ring_offset = MI_SEMAPHORE_SYNC_INVALID;
- ring->init_context = intel_rcs_ctx_init;
- ring->add_request = gen6_add_request;
- ring->flush = gen8_render_ring_flush;
- ring->irq_get = gen8_ring_get_irq;
- ring->irq_put = gen8_ring_put_irq;
- ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
- ring->get_seqno = gen6_ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- if (i915_semaphore_is_enabled(dev)) {
- WARN_ON(!dev_priv->semaphore_obj);
- ring->semaphore.sync_to = gen8_ring_sync;
- ring->semaphore.signal = gen8_rcs_signal;
- GEN8_RING_SEMAPHORE_INIT;
+ engine->semaphore.signal_ggtt[i] = ring_offset;
}
- } else if (INTEL_INFO(dev)->gen >= 6) {
- ring->init_context = intel_rcs_ctx_init;
- ring->add_request = gen6_add_request;
- ring->flush = gen7_render_ring_flush;
- if (INTEL_INFO(dev)->gen == 6)
- ring->flush = gen6_render_ring_flush;
- ring->irq_get = gen6_ring_get_irq;
- ring->irq_put = gen6_ring_put_irq;
- ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
- ring->get_seqno = gen6_ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.sync_to = gen6_ring_sync;
- ring->semaphore.signal = gen6_signal;
- /*
- * The current semaphore is only applied on pre-gen8
- * platform. And there is no VCS2 ring on the pre-gen8
- * platform. So the semaphore between RCS and VCS2 is
- * initialized as INVALID. Gen8 will initialize the
- * sema between VCS2 and RCS later.
- */
- ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_RV;
- ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_RB;
- ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_RVE;
- ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.signal[RCS] = GEN6_NOSYNC;
- ring->semaphore.mbox.signal[VCS] = GEN6_VRSYNC;
- ring->semaphore.mbox.signal[BCS] = GEN6_BRSYNC;
- ring->semaphore.mbox.signal[VECS] = GEN6_VERSYNC;
- ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
+ } else if (INTEL_GEN(dev_priv) >= 6) {
+ engine->semaphore.sync_to = gen6_ring_sync;
+ engine->semaphore.signal = gen6_signal;
+
+ /*
+ * The current semaphore is only applied on pre-gen8
+ * platform. And there is no VCS2 ring on the pre-gen8
+ * platform. So the semaphore between RCS and VCS2 is
+ * initialized as INVALID. Gen8 will initialize the
+ * sema between VCS2 and RCS later.
+ */
+ for (i = 0; i < I915_NUM_ENGINES; i++) {
+ static const struct {
+ u32 wait_mbox;
+ i915_reg_t mbox_reg;
+ } sem_data[I915_NUM_ENGINES][I915_NUM_ENGINES] = {
+ [RCS] = {
+ [VCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_RV, .mbox_reg = GEN6_VRSYNC },
+ [BCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_RB, .mbox_reg = GEN6_BRSYNC },
+ [VECS] = { .wait_mbox = MI_SEMAPHORE_SYNC_RVE, .mbox_reg = GEN6_VERSYNC },
+ },
+ [VCS] = {
+ [RCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_VR, .mbox_reg = GEN6_RVSYNC },
+ [BCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_VB, .mbox_reg = GEN6_BVSYNC },
+ [VECS] = { .wait_mbox = MI_SEMAPHORE_SYNC_VVE, .mbox_reg = GEN6_VEVSYNC },
+ },
+ [BCS] = {
+ [RCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_BR, .mbox_reg = GEN6_RBSYNC },
+ [VCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_BV, .mbox_reg = GEN6_VBSYNC },
+ [VECS] = { .wait_mbox = MI_SEMAPHORE_SYNC_BVE, .mbox_reg = GEN6_VEBSYNC },
+ },
+ [VECS] = {
+ [RCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_VER, .mbox_reg = GEN6_RVESYNC },
+ [VCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_VEV, .mbox_reg = GEN6_VVESYNC },
+ [BCS] = { .wait_mbox = MI_SEMAPHORE_SYNC_VEB, .mbox_reg = GEN6_BVESYNC },
+ },
+ };
+ u32 wait_mbox;
+ i915_reg_t mbox_reg;
+
+ if (i == engine->id || i == VCS2) {
+ wait_mbox = MI_SEMAPHORE_SYNC_INVALID;
+ mbox_reg = GEN6_NOSYNC;
+ } else {
+ wait_mbox = sem_data[engine->id][i].wait_mbox;
+ mbox_reg = sem_data[engine->id][i].mbox_reg;
+ }
+
+ engine->semaphore.mbox.wait[i] = wait_mbox;
+ engine->semaphore.mbox.signal[i] = mbox_reg;
}
- } else if (IS_GEN5(dev)) {
- ring->add_request = pc_render_add_request;
- ring->flush = gen4_render_ring_flush;
- ring->get_seqno = pc_render_get_seqno;
- ring->set_seqno = pc_render_set_seqno;
- ring->irq_get = gen5_ring_get_irq;
- ring->irq_put = gen5_ring_put_irq;
- ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT |
- GT_RENDER_PIPECTL_NOTIFY_INTERRUPT;
+ }
+}
+
+static void intel_ring_init_irq(struct drm_i915_private *dev_priv,
+ struct intel_engine_cs *engine)
+{
+ if (INTEL_GEN(dev_priv) >= 8) {
+ engine->irq_enable = gen8_irq_enable;
+ engine->irq_disable = gen8_irq_disable;
+ engine->irq_seqno_barrier = gen6_seqno_barrier;
+ } else if (INTEL_GEN(dev_priv) >= 6) {
+ engine->irq_enable = gen6_irq_enable;
+ engine->irq_disable = gen6_irq_disable;
+ engine->irq_seqno_barrier = gen6_seqno_barrier;
+ } else if (INTEL_GEN(dev_priv) >= 5) {
+ engine->irq_enable = gen5_irq_enable;
+ engine->irq_disable = gen5_irq_disable;
+ engine->irq_seqno_barrier = gen5_seqno_barrier;
+ } else if (INTEL_GEN(dev_priv) >= 3) {
+ engine->irq_enable = i9xx_irq_enable;
+ engine->irq_disable = i9xx_irq_disable;
} else {
- ring->add_request = i9xx_add_request;
- if (INTEL_INFO(dev)->gen < 4)
- ring->flush = gen2_render_ring_flush;
- else
- ring->flush = gen4_render_ring_flush;
- ring->get_seqno = ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- if (IS_GEN2(dev)) {
- ring->irq_get = i8xx_ring_get_irq;
- ring->irq_put = i8xx_ring_put_irq;
- } else {
- ring->irq_get = i9xx_ring_get_irq;
- ring->irq_put = i9xx_ring_put_irq;
- }
- ring->irq_enable_mask = I915_USER_INTERRUPT;
+ engine->irq_enable = i8xx_irq_enable;
+ engine->irq_disable = i8xx_irq_disable;
}
- ring->write_tail = ring_write_tail;
-
- if (IS_HASWELL(dev))
- ring->dispatch_execbuffer = hsw_ring_dispatch_execbuffer;
- else if (IS_GEN8(dev))
- ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
- else if (INTEL_INFO(dev)->gen >= 6)
- ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
- else if (INTEL_INFO(dev)->gen >= 4)
- ring->dispatch_execbuffer = i965_dispatch_execbuffer;
- else if (IS_I830(dev) || IS_845G(dev))
- ring->dispatch_execbuffer = i830_dispatch_execbuffer;
+}
+
+static void intel_ring_default_vfuncs(struct drm_i915_private *dev_priv,
+ struct intel_engine_cs *engine)
+{
+ engine->init_hw = init_ring_common;
+ engine->write_tail = ring_write_tail;
+
+ engine->add_request = i9xx_add_request;
+ if (INTEL_GEN(dev_priv) >= 6)
+ engine->add_request = gen6_add_request;
+
+ if (INTEL_GEN(dev_priv) >= 8)
+ engine->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
+ else if (INTEL_GEN(dev_priv) >= 6)
+ engine->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
+ else if (INTEL_GEN(dev_priv) >= 4)
+ engine->dispatch_execbuffer = i965_dispatch_execbuffer;
+ else if (IS_I830(dev_priv) || IS_845G(dev_priv))
+ engine->dispatch_execbuffer = i830_dispatch_execbuffer;
else
- ring->dispatch_execbuffer = i915_dispatch_execbuffer;
- ring->init_hw = init_render_ring;
- ring->cleanup = render_ring_cleanup;
-
- /* Workaround batchbuffer to combat CS tlb bug. */
- if (HAS_BROKEN_CS_TLB(dev)) {
- obj = i915_gem_alloc_object(dev, I830_WA_SIZE);
- if (obj == NULL) {
- DRM_ERROR("Failed to allocate batch bo\n");
- return -ENOMEM;
- }
+ engine->dispatch_execbuffer = i915_dispatch_execbuffer;
- ret = i915_gem_obj_ggtt_pin(obj, 0, 0);
- if (ret != 0) {
- drm_gem_object_unreference(&obj->base);
- DRM_ERROR("Failed to ping batch bo\n");
- return ret;
- }
+ intel_ring_init_irq(dev_priv, engine);
+ intel_ring_init_semaphores(dev_priv, engine);
+}
- ring->scratch.obj = obj;
- ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(obj);
+int intel_init_render_ring_buffer(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_engine_cs *engine = &dev_priv->engine[RCS];
+ int ret;
+
+ engine->name = "render ring";
+ engine->id = RCS;
+ engine->exec_id = I915_EXEC_RENDER;
+ engine->hw_id = 0;
+ engine->mmio_base = RENDER_RING_BASE;
+
+ intel_ring_default_vfuncs(dev_priv, engine);
+
+ engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
+
+ if (INTEL_GEN(dev_priv) >= 8) {
+ engine->init_context = intel_rcs_ctx_init;
+ engine->add_request = gen8_render_add_request;
+ engine->flush = gen8_render_ring_flush;
+ if (i915_semaphore_is_enabled(dev_priv))
+ engine->semaphore.signal = gen8_rcs_signal;
+ } else if (INTEL_GEN(dev_priv) >= 6) {
+ engine->init_context = intel_rcs_ctx_init;
+ engine->flush = gen7_render_ring_flush;
+ if (IS_GEN6(dev_priv))
+ engine->flush = gen6_render_ring_flush;
+ } else if (IS_GEN5(dev_priv)) {
+ engine->flush = gen4_render_ring_flush;
+ } else {
+ if (INTEL_GEN(dev_priv) < 4)
+ engine->flush = gen2_render_ring_flush;
+ else
+ engine->flush = gen4_render_ring_flush;
+ engine->irq_enable_mask = I915_USER_INTERRUPT;
}
- ret = intel_init_ring_buffer(dev, ring);
+ if (IS_HASWELL(dev_priv))
+ engine->dispatch_execbuffer = hsw_ring_dispatch_execbuffer;
+
+ engine->init_hw = init_render_ring;
+ engine->cleanup = render_ring_cleanup;
+
+ ret = intel_init_ring_buffer(dev, engine);
if (ret)
return ret;
- if (INTEL_INFO(dev)->gen >= 5) {
- ret = intel_init_pipe_control(ring);
+ if (INTEL_GEN(dev_priv) >= 6) {
+ ret = intel_init_pipe_control(engine, 4096);
+ if (ret)
+ return ret;
+ } else if (HAS_BROKEN_CS_TLB(dev_priv)) {
+ ret = intel_init_pipe_control(engine, I830_WA_SIZE);
if (ret)
return ret;
}
int intel_init_bsd_ring_buffer(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = &dev_priv->ring[VCS];
+ struct intel_engine_cs *engine = &dev_priv->engine[VCS];
+
+ engine->name = "bsd ring";
+ engine->id = VCS;
+ engine->exec_id = I915_EXEC_BSD;
+ engine->hw_id = 1;
- ring->name = "bsd ring";
- ring->id = VCS;
- ring->exec_id = I915_EXEC_BSD;
+ intel_ring_default_vfuncs(dev_priv, engine);
- ring->write_tail = ring_write_tail;
- if (INTEL_INFO(dev)->gen >= 6) {
- ring->mmio_base = GEN6_BSD_RING_BASE;
+ if (INTEL_GEN(dev_priv) >= 6) {
+ engine->mmio_base = GEN6_BSD_RING_BASE;
/* gen6 bsd needs a special wa for tail updates */
- if (IS_GEN6(dev))
- ring->write_tail = gen6_bsd_ring_write_tail;
- ring->flush = gen6_bsd_ring_flush;
- ring->add_request = gen6_add_request;
- ring->get_seqno = gen6_ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- if (INTEL_INFO(dev)->gen >= 8) {
- ring->irq_enable_mask =
+ if (IS_GEN6(dev_priv))
+ engine->write_tail = gen6_bsd_ring_write_tail;
+ engine->flush = gen6_bsd_ring_flush;
+ if (INTEL_GEN(dev_priv) >= 8)
+ engine->irq_enable_mask =
GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT;
- ring->irq_get = gen8_ring_get_irq;
- ring->irq_put = gen8_ring_put_irq;
- ring->dispatch_execbuffer =
- gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.sync_to = gen8_ring_sync;
- ring->semaphore.signal = gen8_xcs_signal;
- GEN8_RING_SEMAPHORE_INIT;
- }
- } else {
- ring->irq_enable_mask = GT_BSD_USER_INTERRUPT;
- ring->irq_get = gen6_ring_get_irq;
- ring->irq_put = gen6_ring_put_irq;
- ring->dispatch_execbuffer =
- gen6_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.sync_to = gen6_ring_sync;
- ring->semaphore.signal = gen6_signal;
- ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VR;
- ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VB;
- ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_VVE;
- ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.signal[RCS] = GEN6_RVSYNC;
- ring->semaphore.mbox.signal[VCS] = GEN6_NOSYNC;
- ring->semaphore.mbox.signal[BCS] = GEN6_BVSYNC;
- ring->semaphore.mbox.signal[VECS] = GEN6_VEVSYNC;
- ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
- }
- }
+ else
+ engine->irq_enable_mask = GT_BSD_USER_INTERRUPT;
} else {
- ring->mmio_base = BSD_RING_BASE;
- ring->flush = bsd_ring_flush;
- ring->add_request = i9xx_add_request;
- ring->get_seqno = ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- if (IS_GEN5(dev)) {
- ring->irq_enable_mask = ILK_BSD_USER_INTERRUPT;
- ring->irq_get = gen5_ring_get_irq;
- ring->irq_put = gen5_ring_put_irq;
- } else {
- ring->irq_enable_mask = I915_BSD_USER_INTERRUPT;
- ring->irq_get = i9xx_ring_get_irq;
- ring->irq_put = i9xx_ring_put_irq;
- }
- ring->dispatch_execbuffer = i965_dispatch_execbuffer;
+ engine->mmio_base = BSD_RING_BASE;
+ engine->flush = bsd_ring_flush;
+ if (IS_GEN5(dev_priv))
+ engine->irq_enable_mask = ILK_BSD_USER_INTERRUPT;
+ else
+ engine->irq_enable_mask = I915_BSD_USER_INTERRUPT;
}
- ring->init_hw = init_ring_common;
- return intel_init_ring_buffer(dev, ring);
+ return intel_init_ring_buffer(dev, engine);
}
/**
int intel_init_bsd2_ring_buffer(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = &dev_priv->ring[VCS2];
-
- ring->name = "bsd2 ring";
- ring->id = VCS2;
- ring->exec_id = I915_EXEC_BSD;
-
- ring->write_tail = ring_write_tail;
- ring->mmio_base = GEN8_BSD2_RING_BASE;
- ring->flush = gen6_bsd_ring_flush;
- ring->add_request = gen6_add_request;
- ring->get_seqno = gen6_ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- ring->irq_enable_mask =
+ struct intel_engine_cs *engine = &dev_priv->engine[VCS2];
+
+ engine->name = "bsd2 ring";
+ engine->id = VCS2;
+ engine->exec_id = I915_EXEC_BSD;
+ engine->hw_id = 4;
+ engine->mmio_base = GEN8_BSD2_RING_BASE;
+
+ intel_ring_default_vfuncs(dev_priv, engine);
+
+ engine->flush = gen6_bsd_ring_flush;
+ engine->irq_enable_mask =
GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT;
- ring->irq_get = gen8_ring_get_irq;
- ring->irq_put = gen8_ring_put_irq;
- ring->dispatch_execbuffer =
- gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.sync_to = gen8_ring_sync;
- ring->semaphore.signal = gen8_xcs_signal;
- GEN8_RING_SEMAPHORE_INIT;
- }
- ring->init_hw = init_ring_common;
- return intel_init_ring_buffer(dev, ring);
+ return intel_init_ring_buffer(dev, engine);
}
int intel_init_blt_ring_buffer(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = &dev_priv->ring[BCS];
-
- ring->name = "blitter ring";
- ring->id = BCS;
- ring->exec_id = I915_EXEC_BLT;
-
- ring->mmio_base = BLT_RING_BASE;
- ring->write_tail = ring_write_tail;
- ring->flush = gen6_ring_flush;
- ring->add_request = gen6_add_request;
- ring->get_seqno = gen6_ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- if (INTEL_INFO(dev)->gen >= 8) {
- ring->irq_enable_mask =
+ struct intel_engine_cs *engine = &dev_priv->engine[BCS];
+
+ engine->name = "blitter ring";
+ engine->id = BCS;
+ engine->exec_id = I915_EXEC_BLT;
+ engine->hw_id = 2;
+ engine->mmio_base = BLT_RING_BASE;
+
+ intel_ring_default_vfuncs(dev_priv, engine);
+
+ engine->flush = gen6_ring_flush;
+ if (INTEL_GEN(dev_priv) >= 8)
+ engine->irq_enable_mask =
GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT;
- ring->irq_get = gen8_ring_get_irq;
- ring->irq_put = gen8_ring_put_irq;
- ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.sync_to = gen8_ring_sync;
- ring->semaphore.signal = gen8_xcs_signal;
- GEN8_RING_SEMAPHORE_INIT;
- }
- } else {
- ring->irq_enable_mask = GT_BLT_USER_INTERRUPT;
- ring->irq_get = gen6_ring_get_irq;
- ring->irq_put = gen6_ring_put_irq;
- ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.signal = gen6_signal;
- ring->semaphore.sync_to = gen6_ring_sync;
- /*
- * The current semaphore is only applied on pre-gen8
- * platform. And there is no VCS2 ring on the pre-gen8
- * platform. So the semaphore between BCS and VCS2 is
- * initialized as INVALID. Gen8 will initialize the
- * sema between BCS and VCS2 later.
- */
- ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_BR;
- ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_BV;
- ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_BVE;
- ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.signal[RCS] = GEN6_RBSYNC;
- ring->semaphore.mbox.signal[VCS] = GEN6_VBSYNC;
- ring->semaphore.mbox.signal[BCS] = GEN6_NOSYNC;
- ring->semaphore.mbox.signal[VECS] = GEN6_VEBSYNC;
- ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
- }
- }
- ring->init_hw = init_ring_common;
+ else
+ engine->irq_enable_mask = GT_BLT_USER_INTERRUPT;
- return intel_init_ring_buffer(dev, ring);
+ return intel_init_ring_buffer(dev, engine);
}
int intel_init_vebox_ring_buffer(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = &dev_priv->ring[VECS];
+ struct intel_engine_cs *engine = &dev_priv->engine[VECS];
+
+ engine->name = "video enhancement ring";
+ engine->id = VECS;
+ engine->exec_id = I915_EXEC_VEBOX;
+ engine->hw_id = 3;
+ engine->mmio_base = VEBOX_RING_BASE;
- ring->name = "video enhancement ring";
- ring->id = VECS;
- ring->exec_id = I915_EXEC_VEBOX;
+ intel_ring_default_vfuncs(dev_priv, engine);
- ring->mmio_base = VEBOX_RING_BASE;
- ring->write_tail = ring_write_tail;
- ring->flush = gen6_ring_flush;
- ring->add_request = gen6_add_request;
- ring->get_seqno = gen6_ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
+ engine->flush = gen6_ring_flush;
- if (INTEL_INFO(dev)->gen >= 8) {
- ring->irq_enable_mask =
+ if (INTEL_GEN(dev_priv) >= 8) {
+ engine->irq_enable_mask =
GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT;
- ring->irq_get = gen8_ring_get_irq;
- ring->irq_put = gen8_ring_put_irq;
- ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.sync_to = gen8_ring_sync;
- ring->semaphore.signal = gen8_xcs_signal;
- GEN8_RING_SEMAPHORE_INIT;
- }
} else {
- ring->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
- ring->irq_get = hsw_vebox_get_irq;
- ring->irq_put = hsw_vebox_put_irq;
- ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
- ring->semaphore.sync_to = gen6_ring_sync;
- ring->semaphore.signal = gen6_signal;
- ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VER;
- ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_VEV;
- ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VEB;
- ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
- ring->semaphore.mbox.signal[RCS] = GEN6_RVESYNC;
- ring->semaphore.mbox.signal[VCS] = GEN6_VVESYNC;
- ring->semaphore.mbox.signal[BCS] = GEN6_BVESYNC;
- ring->semaphore.mbox.signal[VECS] = GEN6_NOSYNC;
- ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
- }
+ engine->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
+ engine->irq_enable = hsw_vebox_irq_enable;
+ engine->irq_disable = hsw_vebox_irq_disable;
}
- ring->init_hw = init_ring_common;
- return intel_init_ring_buffer(dev, ring);
+ return intel_init_ring_buffer(dev, engine);
}
int
intel_ring_flush_all_caches(struct drm_i915_gem_request *req)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
int ret;
- if (!ring->gpu_caches_dirty)
+ if (!engine->gpu_caches_dirty)
return 0;
- ret = ring->flush(req, 0, I915_GEM_GPU_DOMAINS);
+ ret = engine->flush(req, 0, I915_GEM_GPU_DOMAINS);
if (ret)
return ret;
trace_i915_gem_ring_flush(req, 0, I915_GEM_GPU_DOMAINS);
- ring->gpu_caches_dirty = false;
+ engine->gpu_caches_dirty = false;
return 0;
}
int
intel_ring_invalidate_all_caches(struct drm_i915_gem_request *req)
{
- struct intel_engine_cs *ring = req->ring;
+ struct intel_engine_cs *engine = req->engine;
uint32_t flush_domains;
int ret;
flush_domains = 0;
- if (ring->gpu_caches_dirty)
+ if (engine->gpu_caches_dirty)
flush_domains = I915_GEM_GPU_DOMAINS;
- ret = ring->flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
+ ret = engine->flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
if (ret)
return ret;
trace_i915_gem_ring_flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
- ring->gpu_caches_dirty = false;
+ engine->gpu_caches_dirty = false;
return 0;
}
void
-intel_stop_ring_buffer(struct intel_engine_cs *ring)
+intel_stop_engine(struct intel_engine_cs *engine)
{
int ret;
- if (!intel_ring_initialized(ring))
+ if (!intel_engine_initialized(engine))
return;
- ret = intel_ring_idle(ring);
- if (ret && !i915_reset_in_progress(&to_i915(ring->dev)->gpu_error))
+ ret = intel_engine_idle(engine);
+ if (ret)
DRM_ERROR("failed to quiesce %s whilst cleaning up: %d\n",
- ring->name, ret);
+ engine->name, ret);
- stop_ring(ring);
+ stop_ring(engine);
}
projects / cascardo / linux.git / blobdiff