diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-07 11:27:30 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-07 11:27:30 -0800 |
| commit | a3b072cd180c12e8fe0ece9487b9065808327640 (patch) | |
| tree | 62b982041be84748852d77cdf6ca5639ef40858f /drivers/gpu/drm/udl/udl_fb.c | |
| parent | 75a1ba5b2c529db60ca49626bcaf0bddf4548438 (diff) | |
| parent | 081cd62a010f97b5bc1d2b0cd123c5abc692b68a (diff) | |
Merge tag 'efi-urgent' into x86/urgent
* Avoid WARN_ON() when mapping BGRT on Baytrail (EFI 32-bit).
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_fb.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 97e9d614700..dbadd49e4c4 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -403,15 +403,17 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, int i; int ret = 0; + drm_modeset_lock_all(fb->dev); + if (!ufb->active_16) - return 0; + goto unlock; if (ufb->obj->base.import_attach) { ret = dma_buf_begin_cpu_access(ufb->obj->base.import_attach->dmabuf, 0, ufb->obj->base.size, DMA_FROM_DEVICE); if (ret) - return ret; + goto unlock; } for (i = 0; i < num_clips; i++) { @@ -419,7 +421,7 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, clips[i].x2 - clips[i].x1, clips[i].y2 - clips[i].y1); if (ret) - break; + goto unlock; } if (ufb->obj->base.import_attach) { @@ -427,6 +429,10 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, 0, ufb->obj->base.size, DMA_FROM_DEVICE); } + + unlock: + drm_modeset_unlock_all(fb->dev); + return ret; } |