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drm: Check crtc_state->enable rather than crtc->enabled in drm_plane_helper_check_state()

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drm_plane_helper_check_state() is supposed to do things the atomic way,
so it should not be inspecting crtc->enabled. Rather we should be
looking at crtc_state->enable.

We have a slight complication due to drm_plane_helper_check_update()
reusing drm_plane_helper_check_state() for non-atomic drivers. Thus
we'll have to pass the crtc_state in manally and construct a fake
crtc_state in drm_plane_helper_check_update().

v2: Fix the WARNs about plane_state->crtc matching crtc_state->crtc

Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Daniel Vetter <[email protected]>
This commit is contained in:
Ville Syrjälä 2017-11-01 22:15:58 +02:00
commit 10b47ee02d
15 changed files with 52 additions and 39 deletions
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3
include/drm/drm_plane_helper.h
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@ -38,7 +38,8 @@
*/
#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
int drm_plane_helper_check_state(struct drm_plane_state *state,
int drm_plane_helper_check_state(struct drm_plane_state *plane_state,
const struct drm_crtc_state *crtc_state,
const struct drm_rect *clip,
int min_scale, int max_scale,
bool can_position,