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Commit 10291bff authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm: bit of fb error checking 



It's a problem that can't happen yet, since we don't support any
multi-planar formats yet.  But let's avoid nasty surprises when the
time comes.

Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent 2638d90a

drivers/gpu/drm/msm/msm_fb.c

+6 −1
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
struct msm_framebuffer {

	struct drm_framebuffer base;

	const struct msm_format *format;

	struct drm_gem_object *planes[2];

	struct drm_gem_object *planes[3];

};

#define to_msm_framebuffer(x) container_of(x, struct msm_framebuffer, base)
@@ -202,6 +202,11 @@ struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev, 


	msm_fb->format = format;



	if (n > ARRAY_SIZE(msm_fb->planes)) {

		ret = -EINVAL;

		goto fail;

	}



	for (i = 0; i < n; i++) {

		unsigned int width = mode_cmd->width / (i ? hsub : 1);

		unsigned int height = mode_cmd->height / (i ? vsub : 1);