diff options
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_atomic_plane.c | 37 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_atomic_plane.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 23 |
4 files changed, 57 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index d456b3dc200c..133e6a75c8a0 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -93,6 +93,10 @@ intel_plane_duplicate_state(struct drm_plane *plane) intel_state->vma = NULL; intel_state->flags = 0; + /* add reference to fb */ + if (intel_state->hw.fb) + drm_framebuffer_get(intel_state->hw.fb); + return &intel_state->uapi; } @@ -112,6 +116,8 @@ intel_plane_destroy_state(struct drm_plane *plane, WARN_ON(plane_state->vma); __drm_atomic_helper_plane_destroy_state(&plane_state->uapi); + if (plane_state->hw.fb) + drm_framebuffer_put(plane_state->hw.fb); kfree(plane_state); } @@ -176,15 +182,44 @@ bool intel_plane_calc_min_cdclk(struct intel_atomic_state *state, return false; } +static void intel_plane_clear_hw_state(struct intel_plane_state *plane_state) +{ + if (plane_state->hw.fb) + drm_framebuffer_put(plane_state->hw.fb); + + memset(&plane_state->hw, 0, sizeof(plane_state->hw)); +} + +void intel_plane_copy_uapi_to_hw_state(struct intel_plane_state *plane_state, + const struct intel_plane_state *from_plane_state) +{ + intel_plane_clear_hw_state(plane_state); + + plane_state->hw.crtc = from_plane_state->uapi.crtc; + plane_state->hw.fb = from_plane_state->uapi.fb; + if (plane_state->hw.fb) + drm_framebuffer_get(plane_state->hw.fb); + + plane_state->hw.alpha = from_plane_state->uapi.alpha; + plane_state->hw.pixel_blend_mode = + from_plane_state->uapi.pixel_blend_mode; + plane_state->hw.rotation = from_plane_state->uapi.rotation; + plane_state->hw.color_encoding = from_plane_state->uapi.color_encoding; + plane_state->hw.color_range = from_plane_state->uapi.color_range; +} + int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_state, struct intel_crtc_state *new_crtc_state, const struct intel_plane_state *old_plane_state, struct intel_plane_state *new_plane_state) { struct intel_plane *plane = to_intel_plane(new_plane_state->uapi.plane); - const struct drm_framebuffer *fb = new_plane_state->hw.fb; + const struct drm_framebuffer *fb; int ret; + intel_plane_copy_uapi_to_hw_state(new_plane_state, new_plane_state); + fb = new_plane_state->hw.fb; + new_crtc_state->active_planes &= ~BIT(plane->id); new_crtc_state->nv12_planes &= ~BIT(plane->id); new_crtc_state->c8_planes &= ~BIT(plane->id); diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h b/drivers/gpu/drm/i915/display/intel_atomic_plane.h index e61e9a82aadf..cdb0f97d09f9 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h @@ -20,6 +20,8 @@ extern const struct drm_plane_helper_funcs intel_plane_helper_funcs; unsigned int intel_plane_data_rate(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state); +void intel_plane_copy_uapi_to_hw_state(struct intel_plane_state *plane_state, + const struct intel_plane_state *from_plane_state); void intel_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state); diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 27ce6d7c3971..137a8bdfd869 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3283,6 +3283,7 @@ valid_fb: plane_state->fb = fb; plane_state->crtc = &intel_crtc->base; + intel_plane_copy_uapi_to_hw_state(intel_state, intel_state); atomic_or(to_intel_plane(primary)->frontbuffer_bit, &to_intel_frontbuffer(fb)->bits); diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 7f338c130ed7..cf1d71624783 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -523,11 +523,24 @@ struct intel_atomic_state { }; struct intel_plane_state { - union { - struct drm_plane_state base; - struct drm_plane_state uapi; - struct drm_plane_state hw; - }; + struct drm_plane_state uapi; + + /* + * actual hardware state, the state we program to the hardware. + * The following members are used to verify the hardware state: + * During initial hw readout, they need to be copied from uapi. + */ + struct { + struct drm_crtc *crtc; + struct drm_framebuffer *fb; + + u16 alpha; + uint16_t pixel_blend_mode; + unsigned int rotation; + enum drm_color_encoding color_encoding; + enum drm_color_range color_range; + } hw; + struct i915_ggtt_view view; struct i915_vma *vma; unsigned long flags; |