diff options
| author | Emre Ucan <eucan@de.adit-jv.com> | 2018-04-30 14:02:04 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2018-05-05 17:12:46 +0300 |
| commit | b06078de418d6f77c81aa74516f787663f51a262 (patch) | |
| tree | 2741f77d1863c0dc381a357a532ef34f4beba78d /drivers/gpu/drm/rcar-du | |
| parent | f1e9a22ac3cff749077f40bf1a149aaaf587ae2d (diff) | |
drm: rcar-du: Track dma-buf fences
We have to check dma-buf reservation objects of our framebuffers before
we use them. Otherwise, another driver might be writing on the same
buffer which we are using. This would cause visible tearing effects
on display.
We can use existing atomic helper functions to solve this problem.
Signed-off-by: Emre Ucan <eucan@de.adit-jv.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 4a01a99a4674..3badf02ab24a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -17,6 +17,7 @@ #include <drm/drm_crtc_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_plane_helper.h> #include <linux/bitops.h> @@ -237,6 +238,10 @@ static int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane, } } + ret = drm_gem_fb_prepare_fb(plane, state); + if (ret) + goto fail; + return 0; fail: |