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drm: Share plane pixel format check code between legacy and atomic

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Both the legacy and atomic helpers need to check whether a plane
supports a given pixel format. The code is currently duplicated, share
it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[danvet: Slightly extend the docbook.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Laurent Pinchart 2015-03-05 02:25:43 +02:00 • committed by Daniel Vetter
parent 2a97acd637
commit ead8610d42
3 changed files with 29 additions and 12 deletions
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2
include/drm/drm_crtc.h
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@ -1263,6 +1263,8 @@ extern int drm_plane_init(struct drm_device *dev,
extern void drm_plane_cleanup(struct drm_plane *plane);
extern unsigned int drm_plane_index(struct drm_plane *plane);
extern void drm_plane_force_disable(struct drm_plane *plane);
extern int drm_plane_check_pixel_format(const struct drm_plane *plane,
u32 format);
extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode,
int *hdisplay, int *vdisplay);
extern int drm_crtc_check_viewport(const struct drm_crtc *crtc,