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drm: Introduce pixel_source DRM plane property

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Add support for pixel_source property to drm_plane and related
documentation. In addition, force pixel_source to
DRM_PLANE_PIXEL_SOURCE_FB in DRM_IOCTL_MODE_SETPLANE as to not break
legacy userspace.

This enum property will allow user to specify a pixel source for the
plane. Possible pixel sources will be defined in the
drm_plane_pixel_source enum.

Currently, the only pixel sources are DRM_PLANE_PIXEL_SOURCE_FB (the
default value) and DRM_PLANE_PIXEL_SOURCE_NONE.

Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Sebastian Wick <sebastian@sebastianwick.net>
Acked-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027-solid-fill-v7-1-780188bfa7b2@quicinc.com
This commit is contained in:
Jessica Zhang
2023-10-27 15:32:51 -07:00
committed by Dmitry Baryshkov
parent 70e67aaec2
commit e50e5fed41
6 changed files with 137 additions and 4 deletions
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4
drivers/gpu/drm/drm_atomic_uapi.c
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@@ -562,6 +562,8 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
state->src_w = val;
} else if (property == config->prop_src_h) {
state->src_h = val;
} else if (property == plane->pixel_source_property) {
state->pixel_source = val;
} else if (property == plane->alpha_property) {
state->alpha = val;
} else if (property == plane->blend_mode_property) {
@@ -650,6 +652,8 @@ drm_atomic_plane_get_property(struct drm_plane *plane,
*val = state->src_w;
} else if (property == config->prop_src_h) {
*val = state->src_h;
} else if (property == plane->pixel_source_property) {
*val = state->pixel_source;
} else if (property == plane->alpha_property) {
*val = state->alpha;
} else if (property == plane->blend_mode_property) {