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drm/drm_plane: track color mgmt changes per plane 

We will add color mgmt properties to DRM planes in the next patches and
we want to track when one of this properties change to define atomic
commit behaviors. Using a similar approach from CRTC color props, we set
a color_mgmt_changed boolean whenever a plane color prop changes.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Melissa Wen 2023-11-16 18:57:43 -01:00 committed by Alex Deucher
parent 6016031053
commit 24013b9301
3 changed files with 9 additions and 0 deletions
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1
drivers/gpu/drm/drm_atomic.c
View File

@ -733,6 +733,7 @@ static void drm_atomic_plane_print_state(struct drm_printer *p,
drm_get_color_encoding_name(state->color_encoding)); drm_get_color_encoding_name(state->color_encoding));
drm_printf(p, "\tcolor-range=%s\n", drm_printf(p, "\tcolor-range=%s\n",
drm_get_color_range_name(state->color_range)); drm_get_color_range_name(state->color_range));
drm_printf(p, "\tcolor_mgmt_changed=%d\n", state->color_mgmt_changed);
if (plane->funcs->atomic_print_state) if (plane->funcs->atomic_print_state)
plane->funcs->atomic_print_state(p, state); plane->funcs->atomic_print_state(p, state);

1
drivers/gpu/drm/drm_atomic_state_helper.c
View File

@ -352,6 +352,7 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
state->fence = NULL; state->fence = NULL;
state->commit = NULL; state->commit = NULL;
state->fb_damage_clips = NULL; state->fb_damage_clips = NULL;
state->color_mgmt_changed = false;
} }
EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state); EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state);

7
include/drm/drm_plane.h
View File

@ -251,6 +251,13 @@ struct drm_plane_state {
/** @state: backpointer to global drm_atomic_state */ /** @state: backpointer to global drm_atomic_state */
struct drm_atomic_state *state; struct drm_atomic_state *state;
/**
* @color_mgmt_changed: Color management properties have changed. Used
* by the atomic helpers and drivers to steer the atomic commit control
* flow.
*/
bool color_mgmt_changed : 1;
}; };
static inline struct drm_rect static inline struct drm_rect