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authorThomas Zimmermann <tzimmermann@suse.de>2021-05-22 07:17:05 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2021-05-22 07:17:05 +0200
commit304ba5dca49a21e6f4040494c669134787145118 (patch)
tree6c7629c777399549de1bfb216d2a29a08d932f6b /drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
parentdrm/mcde: Remove redundant error printing in mcde_dsi_probe() (diff)
parentMerge tag 'amd-drm-next-5.14-2021-05-21' of https://gitlab.freedesktop.org/agd5f/linux into drm-next (diff)
downloadlinux-dev-304ba5dca49a21e6f4040494c669134787145118.tar.xz
linux-dev-304ba5dca49a21e6f4040494c669134787145118.zip
Merge drm/drm-next into drm-misc-next
Backmerging from drm/drm-next to the patches for AMD devices for v5.14. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index 433469ace6f4..f3d62e196901 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -177,7 +177,9 @@ static bool amdgpu_ih_has_checkpoint_processed(struct amdgpu_device *adev,
cur_rptr += ih->ptr_mask + 1;
*prev_rptr = cur_rptr;
- return cur_rptr >= checkpoint_wptr;
+ /* check ring is empty to workaround missing wptr overflow flag */
+ return cur_rptr >= checkpoint_wptr ||
+ (cur_rptr & ih->ptr_mask) == amdgpu_ih_get_wptr(adev, ih);
}
/**