Collection of i915 fixes.
* tag 'drm-intel-fixes-2016-08-15' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Fix modeset handling during gpu reset, v5.
drm/i915: fix aliasing_ppgtt leak
drm/i915: fix WaInsertDummyPushConstPs
drm/i915: Fix iboost setting for SKL Y/U DP DDI buffer translation entry 2
drm/i915/gen9: Give one extra block per line for SKL plane WM calculations
drm/i915: Acquire audio powerwell for HD-Audio registers
drm/i915: Add missing rpm wakelock to GGTT pread
drm/i915/fbc: FBC causes display flicker when VT-d is enabled on Skylake
drm/i915: Clean up the extra RPM ref on CHV with i915.enable_rc6=0
drm/i915: Program iboost settings for HDMI/DVI on SKL
drm/i915: Fix iboost setting for DDI with 4 lanes on SKL
drm/i915: Handle ENOSPC after failing to insert a mappable node
drm/i915: Flush GT idle status upon reset
enum modeset_restore modeset_restore;
struct mutex modeset_restore_lock;
struct drm_atomic_state *modeset_restore_state;
+ struct drm_modeset_acquire_ctx reset_ctx;
struct list_head vm_list; /* Global list of all address spaces */
struct i915_ggtt ggtt; /* VM representing the global address space */
ret = i915_gem_shmem_pread(dev, obj, args, file);
/* pread for non shmem backed objects */
- if (ret == -EFAULT || ret == -ENODEV)
+ if (ret == -EFAULT || ret == -ENODEV) {
+ intel_runtime_pm_get(to_i915(dev));
ret = i915_gem_gtt_pread(dev, obj, args->size,
args->offset, args->data_ptr);
+ intel_runtime_pm_put(to_i915(dev));
+ }
out:
drm_gem_object_unreference(&obj->base);
* textures). Fallback to the shmem path in that case. */
}
- if (ret == -EFAULT) {
+ if (ret == -EFAULT || ret == -ENOSPC) {
if (obj->phys_handle)
ret = i915_gem_phys_pwrite(obj, args, file);
else if (i915_gem_object_has_struct_page(obj))
}
intel_ring_init_seqno(engine, engine->last_submitted_seqno);
+
+ engine->i915->gt.active_engines &= ~intel_engine_flag(engine);
}
void i915_gem_reset(struct drm_device *dev)
for_each_engine(engine, dev_priv)
i915_gem_reset_engine_cleanup(engine);
+ mod_delayed_work(dev_priv->wq, &dev_priv->gt.idle_work, 0);
i915_gem_context_reset(dev);
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
ppgtt->base.cleanup(&ppgtt->base);
+ kfree(ppgtt);
}
i915_gem_cleanup_stolen(dev);
#define BALANCE_LEG_MASK(port) (7<<(8+3*(port)))
/* Balance leg disable bits */
#define BALANCE_LEG_DISABLE_SHIFT 23
+#define BALANCE_LEG_DISABLE(port) (1 << (23 + (port)))
/*
* Fence registers
if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv))
return;
+ i915_audio_component_get_power(dev);
+
/*
* Enable/disable generating the codec wake signal, overriding the
* internal logic to generate the codec wake to controller.
I915_WRITE(HSW_AUD_CHICKENBIT, tmp);
usleep_range(1000, 1500);
}
+
+ i915_audio_component_put_power(dev);
}
/* Get CDCLK in kHz */
!IS_HASWELL(dev_priv))
return 0;
+ i915_audio_component_get_power(dev);
mutex_lock(&dev_priv->av_mutex);
/* 1. get the pipe */
intel_encoder = dev_priv->dig_port_map[port];
unlock:
mutex_unlock(&dev_priv->av_mutex);
+ i915_audio_component_put_power(dev);
return err;
}
static const struct ddi_buf_trans skl_u_ddi_translations_dp[] = {
{ 0x0000201B, 0x000000A2, 0x0 },
{ 0x00005012, 0x00000088, 0x0 },
- { 0x80007011, 0x000000CD, 0x0 },
+ { 0x80007011, 0x000000CD, 0x1 },
{ 0x80009010, 0x000000C0, 0x1 },
{ 0x0000201B, 0x0000009D, 0x0 },
{ 0x80005012, 0x000000C0, 0x1 },
static const struct ddi_buf_trans skl_y_ddi_translations_dp[] = {
{ 0x00000018, 0x000000A2, 0x0 },
{ 0x00005012, 0x00000088, 0x0 },
- { 0x80007011, 0x000000CD, 0x0 },
+ { 0x80007011, 0x000000CD, 0x3 },
{ 0x80009010, 0x000000C0, 0x3 },
{ 0x00000018, 0x0000009D, 0x0 },
{ 0x80005012, 0x000000C0, 0x3 },
}
}
+static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port)
+{
+ int n_hdmi_entries;
+ int hdmi_level;
+ int hdmi_default_entry;
+
+ hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
+
+ if (IS_BROXTON(dev_priv))
+ return hdmi_level;
+
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+ skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
+ hdmi_default_entry = 8;
+ } else if (IS_BROADWELL(dev_priv)) {
+ n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
+ hdmi_default_entry = 7;
+ } else if (IS_HASWELL(dev_priv)) {
+ n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
+ hdmi_default_entry = 6;
+ } else {
+ WARN(1, "ddi translation table missing\n");
+ n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
+ hdmi_default_entry = 7;
+ }
+
+ /* Choose a good default if VBT is badly populated */
+ if (hdmi_level == HDMI_LEVEL_SHIFT_UNKNOWN ||
+ hdmi_level >= n_hdmi_entries)
+ hdmi_level = hdmi_default_entry;
+
+ return hdmi_level;
+}
+
/*
* Starting with Haswell, DDI port buffers must be programmed with correct
* values in advance. The buffer values are different for FDI and DP modes,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
u32 iboost_bit = 0;
- int i, n_hdmi_entries, n_dp_entries, n_edp_entries, hdmi_default_entry,
+ int i, n_hdmi_entries, n_dp_entries, n_edp_entries,
size;
int hdmi_level;
enum port port;
const struct ddi_buf_trans *ddi_translations;
port = intel_ddi_get_encoder_port(encoder);
- hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
+ hdmi_level = intel_ddi_hdmi_level(dev_priv, port);
if (IS_BROXTON(dev_priv)) {
if (encoder->type != INTEL_OUTPUT_HDMI)
skl_get_buf_trans_edp(dev_priv, &n_edp_entries);
ddi_translations_hdmi =
skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
- hdmi_default_entry = 8;
/* If we're boosting the current, set bit 31 of trans1 */
if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level ||
dev_priv->vbt.ddi_port_info[port].dp_boost_level)
n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
- hdmi_default_entry = 7;
} else if (IS_HASWELL(dev_priv)) {
ddi_translations_fdi = hsw_ddi_translations_fdi;
ddi_translations_dp = hsw_ddi_translations_dp;
ddi_translations_hdmi = hsw_ddi_translations_hdmi;
n_dp_entries = n_edp_entries = ARRAY_SIZE(hsw_ddi_translations_dp);
n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
- hdmi_default_entry = 6;
} else {
WARN(1, "ddi translation table missing\n");
ddi_translations_edp = bdw_ddi_translations_dp;
n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
- hdmi_default_entry = 7;
}
switch (encoder->type) {
if (encoder->type != INTEL_OUTPUT_HDMI)
return;
- /* Choose a good default if VBT is badly populated */
- if (hdmi_level == HDMI_LEVEL_SHIFT_UNKNOWN ||
- hdmi_level >= n_hdmi_entries)
- hdmi_level = hdmi_default_entry;
-
/* Entry 9 is for HDMI: */
I915_WRITE(DDI_BUF_TRANS_LO(port, i),
ddi_translations_hdmi[hdmi_level].trans1 | iboost_bit);
TRANS_CLK_SEL_DISABLED);
}
-static void skl_ddi_set_iboost(struct drm_i915_private *dev_priv,
- u32 level, enum port port, int type)
+static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv,
+ enum port port, uint8_t iboost)
{
+ u32 tmp;
+
+ tmp = I915_READ(DISPIO_CR_TX_BMU_CR0);
+ tmp &= ~(BALANCE_LEG_MASK(port) | BALANCE_LEG_DISABLE(port));
+ if (iboost)
+ tmp |= iboost << BALANCE_LEG_SHIFT(port);
+ else
+ tmp |= BALANCE_LEG_DISABLE(port);
+ I915_WRITE(DISPIO_CR_TX_BMU_CR0, tmp);
+}
+
+static void skl_ddi_set_iboost(struct intel_encoder *encoder, u32 level)
+{
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+ struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
+ enum port port = intel_dig_port->port;
+ int type = encoder->type;
const struct ddi_buf_trans *ddi_translations;
uint8_t iboost;
uint8_t dp_iboost, hdmi_iboost;
int n_entries;
- u32 reg;
/* VBT may override standard boost values */
dp_iboost = dev_priv->vbt.ddi_port_info[port].dp_boost_level;
return;
}
- reg = I915_READ(DISPIO_CR_TX_BMU_CR0);
- reg &= ~BALANCE_LEG_MASK(port);
- reg &= ~(1 << (BALANCE_LEG_DISABLE_SHIFT + port));
-
- if (iboost)
- reg |= iboost << BALANCE_LEG_SHIFT(port);
- else
- reg |= 1 << (BALANCE_LEG_DISABLE_SHIFT + port);
+ _skl_ddi_set_iboost(dev_priv, port, iboost);
- I915_WRITE(DISPIO_CR_TX_BMU_CR0, reg);
+ if (port == PORT_A && intel_dig_port->max_lanes == 4)
+ _skl_ddi_set_iboost(dev_priv, PORT_E, iboost);
}
static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv,
level = translate_signal_level(signal_levels);
if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
- skl_ddi_set_iboost(dev_priv, level, port, encoder->type);
+ skl_ddi_set_iboost(encoder, level);
else if (IS_BROXTON(dev_priv))
bxt_ddi_vswing_sequence(dev_priv, level, port, encoder->type);
intel_dp_stop_link_train(intel_dp);
} else if (type == INTEL_OUTPUT_HDMI) {
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+ int level = intel_ddi_hdmi_level(dev_priv, port);
+
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+ skl_ddi_set_iboost(intel_encoder, level);
intel_hdmi->set_infoframes(encoder,
crtc->config->has_hdmi_sink,
for_each_crtc(dev, crtc) {
struct intel_plane *plane = to_intel_plane(crtc->primary);
- struct intel_plane_state *plane_state;
-
- drm_modeset_lock_crtc(crtc, &plane->base);
- plane_state = to_intel_plane_state(plane->base.state);
+ struct intel_plane_state *plane_state =
+ to_intel_plane_state(plane->base.state);
if (plane_state->visible)
plane->update_plane(&plane->base,
to_intel_crtc_state(crtc->state),
plane_state);
+ }
+}
+
+static int
+__intel_display_resume(struct drm_device *dev,
+ struct drm_atomic_state *state)
+{
+ struct drm_crtc_state *crtc_state;
+ struct drm_crtc *crtc;
+ int i, ret;
+
+ intel_modeset_setup_hw_state(dev);
+ i915_redisable_vga(dev);
- drm_modeset_unlock_crtc(crtc);
+ if (!state)
+ return 0;
+
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
+ /*
+ * Force recalculation even if we restore
+ * current state. With fast modeset this may not result
+ * in a modeset when the state is compatible.
+ */
+ crtc_state->mode_changed = true;
}
+
+ /* ignore any reset values/BIOS leftovers in the WM registers */
+ to_intel_atomic_state(state)->skip_intermediate_wm = true;
+
+ ret = drm_atomic_commit(state);
+
+ WARN_ON(ret == -EDEADLK);
+ return ret;
}
void intel_prepare_reset(struct drm_i915_private *dev_priv)
{
+ struct drm_device *dev = &dev_priv->drm;
+ struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx;
+ struct drm_atomic_state *state;
+ int ret;
+
/* no reset support for gen2 */
if (IS_GEN2(dev_priv))
return;
- /* reset doesn't touch the display */
+ /*
+ * Need mode_config.mutex so that we don't
+ * trample ongoing ->detect() and whatnot.
+ */
+ mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_acquire_init(ctx, 0);
+ while (1) {
+ ret = drm_modeset_lock_all_ctx(dev, ctx);
+ if (ret != -EDEADLK)
+ break;
+
+ drm_modeset_backoff(ctx);
+ }
+
+ /* reset doesn't touch the display, but flips might get nuked anyway, */
if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
return;
- drm_modeset_lock_all(&dev_priv->drm);
/*
* Disabling the crtcs gracefully seems nicer. Also the
* g33 docs say we should at least disable all the planes.
*/
- intel_display_suspend(&dev_priv->drm);
+ state = drm_atomic_helper_duplicate_state(dev, ctx);
+ if (IS_ERR(state)) {
+ ret = PTR_ERR(state);
+ state = NULL;
+ DRM_ERROR("Duplicating state failed with %i\n", ret);
+ goto err;
+ }
+
+ ret = drm_atomic_helper_disable_all(dev, ctx);
+ if (ret) {
+ DRM_ERROR("Suspending crtc's failed with %i\n", ret);
+ goto err;
+ }
+
+ dev_priv->modeset_restore_state = state;
+ state->acquire_ctx = ctx;
+ return;
+
+err:
+ drm_atomic_state_free(state);
}
void intel_finish_reset(struct drm_i915_private *dev_priv)
{
+ struct drm_device *dev = &dev_priv->drm;
+ struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx;
+ struct drm_atomic_state *state = dev_priv->modeset_restore_state;
+ int ret;
+
/*
* Flips in the rings will be nuked by the reset,
* so complete all pending flips so that user space
if (IS_GEN2(dev_priv))
return;
+ dev_priv->modeset_restore_state = NULL;
+
/* reset doesn't touch the display */
if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) {
/*
* FIXME: Atomic will make this obsolete since we won't schedule
* CS-based flips (which might get lost in gpu resets) any more.
*/
- intel_update_primary_planes(&dev_priv->drm);
- return;
- }
-
- /*
- * The display has been reset as well,
- * so need a full re-initialization.
- */
- intel_runtime_pm_disable_interrupts(dev_priv);
- intel_runtime_pm_enable_interrupts(dev_priv);
+ intel_update_primary_planes(dev);
+ } else {
+ /*
+ * The display has been reset as well,
+ * so need a full re-initialization.
+ */
+ intel_runtime_pm_disable_interrupts(dev_priv);
+ intel_runtime_pm_enable_interrupts(dev_priv);
- intel_modeset_init_hw(&dev_priv->drm);
+ intel_modeset_init_hw(dev);
- spin_lock_irq(&dev_priv->irq_lock);
- if (dev_priv->display.hpd_irq_setup)
- dev_priv->display.hpd_irq_setup(dev_priv);
- spin_unlock_irq(&dev_priv->irq_lock);
+ spin_lock_irq(&dev_priv->irq_lock);
+ if (dev_priv->display.hpd_irq_setup)
+ dev_priv->display.hpd_irq_setup(dev_priv);
+ spin_unlock_irq(&dev_priv->irq_lock);
- intel_display_resume(&dev_priv->drm);
+ ret = __intel_display_resume(dev, state);
+ if (ret)
+ DRM_ERROR("Restoring old state failed with %i\n", ret);
- intel_hpd_init(dev_priv);
+ intel_hpd_init(dev_priv);
+ }
- drm_modeset_unlock_all(&dev_priv->drm);
+ drm_modeset_drop_locks(ctx);
+ drm_modeset_acquire_fini(ctx);
+ mutex_unlock(&dev->mode_config.mutex);
}
static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
struct drm_atomic_state *state = dev_priv->modeset_restore_state;
struct drm_modeset_acquire_ctx ctx;
int ret;
- bool setup = false;
dev_priv->modeset_restore_state = NULL;
+ if (state)
+ state->acquire_ctx = &ctx;
/*
* This is a cludge because with real atomic modeset mode_config.mutex
mutex_lock(&dev->mode_config.mutex);
drm_modeset_acquire_init(&ctx, 0);
-retry:
- ret = drm_modeset_lock_all_ctx(dev, &ctx);
-
- if (ret == 0 && !setup) {
- setup = true;
-
- intel_modeset_setup_hw_state(dev);
- i915_redisable_vga(dev);
- }
-
- if (ret == 0 && state) {
- struct drm_crtc_state *crtc_state;
- struct drm_crtc *crtc;
- int i;
-
- state->acquire_ctx = &ctx;
-
- /* ignore any reset values/BIOS leftovers in the WM registers */
- to_intel_atomic_state(state)->skip_intermediate_wm = true;
-
- for_each_crtc_in_state(state, crtc, crtc_state, i) {
- /*
- * Force recalculation even if we restore
- * current state. With fast modeset this may not result
- * in a modeset when the state is compatible.
- */
- crtc_state->mode_changed = true;
- }
-
- ret = drm_atomic_commit(state);
- }
+ while (1) {
+ ret = drm_modeset_lock_all_ctx(dev, &ctx);
+ if (ret != -EDEADLK)
+ break;
- if (ret == -EDEADLK) {
drm_modeset_backoff(&ctx);
- goto retry;
}
+ if (!ret)
+ ret = __intel_display_resume(dev, state);
+
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
mutex_unlock(&dev->mode_config.mutex);
if (i915.enable_fbc >= 0)
return !!i915.enable_fbc;
+ if (!HAS_FBC(dev_priv))
+ return 0;
+
if (IS_BROADWELL(dev_priv))
return 1;
return 0;
}
+static bool need_fbc_vtd_wa(struct drm_i915_private *dev_priv)
+{
+#ifdef CONFIG_INTEL_IOMMU
+ /* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt */
+ if (intel_iommu_gfx_mapped &&
+ (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))) {
+ DRM_INFO("Disabling framebuffer compression (FBC) to prevent screen flicker with VT-d enabled\n");
+ return true;
+ }
+#endif
+
+ return false;
+}
+
/**
* intel_fbc_init - Initialize FBC
* @dev_priv: the i915 device
fbc->active = false;
fbc->work.scheduled = false;
+ if (need_fbc_vtd_wa(dev_priv))
+ mkwrite_device_info(dev_priv)->has_fbc = false;
+
i915.enable_fbc = intel_sanitize_fbc_option(dev_priv);
DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n", i915.enable_fbc);
plane_bytes_per_line *= 4;
plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512);
plane_blocks_per_line /= 4;
+ } else if (tiling == DRM_FORMAT_MOD_NONE) {
+ plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512) + 1;
} else {
plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512);
}
void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv)
{
- if (IS_CHERRYVIEW(dev_priv))
- return;
- else if (IS_VALLEYVIEW(dev_priv))
+ if (IS_VALLEYVIEW(dev_priv))
valleyview_cleanup_gt_powersave(dev_priv);
if (!i915.enable_rc6)
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))
+ /* WaToEnableHwFixForPushConstHWBug:bxt */
+ if (IS_BXT_REVID(dev_priv, BXT_REVID_C0, REVID_FOREVER))
WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
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))
+ /* WaToEnableHwFixForPushConstHWBug:kbl */
+ if (IS_KBL_REVID(dev_priv, KBL_REVID_C0, REVID_FOREVER))
WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
projects / cascardo / linux.git / commitdiff