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drm: Introduce solid fill DRM plane property

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Document and add support for solid_fill property to drm_plane. In
addition, add support for setting and getting the values for solid_fill.

To enable solid fill planes, userspace must assign a property blob to
the "solid_fill" plane property containing the following information:

struct drm_mode_solid_fill {
	u32 r, g, b, pad;
};

Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Sebastian Wick <sebastian@sebastianwick.net>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027-solid-fill-v7-2-780188bfa7b2@quicinc.com
This commit is contained in:
Jessica Zhang
2023-10-27 15:32:52 -07:00
committed by Dmitry Baryshkov
parent e50e5fed41
commit 85863a4e16
6 changed files with 126 additions and 0 deletions
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9
drivers/gpu/drm/drm_atomic_state_helper.c
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@@ -254,6 +254,11 @@ void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *plane_state,
plane_state->pixel_blend_mode = DRM_MODE_BLEND_PREMULTI;
plane_state->pixel_source = DRM_PLANE_PIXEL_SOURCE_FB;
if (plane_state->solid_fill_blob) {
drm_property_blob_put(plane_state->solid_fill_blob);
plane_state->solid_fill_blob = NULL;
}
if (plane->color_encoding_property) {
if (!drm_object_property_get_default_value(&plane->base,
plane->color_encoding_property,
@@ -350,6 +355,9 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
if (state->fb)
drm_framebuffer_get(state->fb);
if (state->solid_fill_blob)
drm_property_blob_get(state->solid_fill_blob);
state->fence = NULL;
state->commit = NULL;
state->fb_damage_clips = NULL;
@@ -399,6 +407,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state)
drm_crtc_commit_put(state->commit);
drm_property_blob_put(state->fb_damage_clips);
drm_property_blob_put(state->solid_fill_blob);
}
EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state);