drm/i915: use in_interrupt() not in_irq() to check context

[cascardo/linux.git] / drivers / gpu / drm / i915 / intel_display.c

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3d220a6..9943c20 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2371,13 +2371,19 @@ intel_alloc_plane_obj(struct intel_crtc *crtc,
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_gem_object *obj = NULL;
        struct drm_mode_fb_cmd2 mode_cmd = { 0 };
-       u32 base = plane_config->base;
+       u32 base_aligned = round_down(plane_config->base, PAGE_SIZE);
+       u32 size_aligned = round_up(plane_config->base + plane_config->size,
+                                   PAGE_SIZE);
+
+       size_aligned -= base_aligned;
 
        if (plane_config->size == 0)
                return false;
 
-       obj = i915_gem_object_create_stolen_for_preallocated(dev, base, base,
-                                                            plane_config->size);
+       obj = i915_gem_object_create_stolen_for_preallocated(dev,
+                                                            base_aligned,
+                                                            base_aligned,
+                                                            size_aligned);
        if (!obj)
                return false;
 
@@ -2725,10 +2731,19 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc,
        case DRM_FORMAT_XRGB8888:
                plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
                break;
+       case DRM_FORMAT_ARGB8888:
+               plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
+               plane_ctl |= PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+               break;
        case DRM_FORMAT_XBGR8888:
                plane_ctl |= PLANE_CTL_ORDER_RGBX;
                plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
                break;
+       case DRM_FORMAT_ABGR8888:
+               plane_ctl |= PLANE_CTL_ORDER_RGBX;
+               plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888;
+               plane_ctl |= PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+               break;
        case DRM_FORMAT_XRGB2101010:
                plane_ctl |= PLANE_CTL_FORMAT_XRGB_2101010;
                break;
@@ -6627,7 +6642,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
        aligned_height = intel_fb_align_height(dev, fb->height,
                                               plane_config->tiling);
 
-       plane_config->size = PAGE_ALIGN(fb->pitches[0] * aligned_height);
+       plane_config->size = fb->pitches[0] * aligned_height;
 
        DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
                      pipe_name(pipe), plane, fb->width, fb->height,
@@ -7664,7 +7679,7 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
        aligned_height = intel_fb_align_height(dev, fb->height,
                                               plane_config->tiling);
 
-       plane_config->size = ALIGN(fb->pitches[0] * aligned_height, PAGE_SIZE);
+       plane_config->size = fb->pitches[0] * aligned_height;
 
        DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
                      pipe_name(pipe), fb->width, fb->height,
@@ -7755,7 +7770,7 @@ ironlake_get_initial_plane_config(struct intel_crtc *crtc,
        aligned_height = intel_fb_align_height(dev, fb->height,
                                               plane_config->tiling);
 
-       plane_config->size = PAGE_ALIGN(fb->pitches[0] * aligned_height);
+       plane_config->size = fb->pitches[0] * aligned_height;
 
        DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
                      pipe_name(pipe), fb->width, fb->height,
@@ -8698,6 +8713,7 @@ retry:
                        old->release_fb->funcs->destroy(old->release_fb);
                goto fail;
        }
+       crtc->primary->crtc = crtc;
 
        /* let the connector get through one full cycle before testing */
        intel_wait_for_vblank(dev, intel_crtc->pipe);
@@ -9700,7 +9716,7 @@ void intel_check_page_flip(struct drm_device *dev, int pipe)
        struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
-       WARN_ON(!in_irq());
+       WARN_ON(!in_interrupt());
 
        if (crtc == NULL)
                return;
@@ -12182,9 +12198,6 @@ intel_check_cursor_plane(struct drm_plane *plane,
                return -ENOMEM;
        }
 
-       if (fb == crtc->cursor->fb)
-               return 0;
-
        /* we only need to pin inside GTT if cursor is non-phy */
        mutex_lock(&dev->struct_mutex);
        if (!INTEL_INFO(dev)->cursor_needs_physical && obj->tiling_mode) {
@@ -13096,6 +13109,9 @@ static struct intel_quirk intel_quirks[] = {
 
        /* HP Chromebook 14 (Celeron 2955U) */
        { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
+
+       /* Dell Chromebook 11 */
+       { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
 };
 
 static void intel_init_quirks(struct drm_device *dev)