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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:26 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:26 +0000
commit116e0f61852489520aaad930b8fcbe40834819bf (patch)
treee7cd8828fee4cf285d0b49d2eccc532ac1c064af /drivers/gpu/drm/amd/amdgpu/tonga_ih.c
parentReleasing progress-linux version 6.1.76-1~progress6.99u1. (diff)
downloadlinux-116e0f61852489520aaad930b8fcbe40834819bf.tar.xz
linux-116e0f61852489520aaad930b8fcbe40834819bf.zip
Merging upstream version 6.1.82.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/tonga_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/tonga_ih.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
index b08905d1c..07a5d95be 100644
--- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
@@ -219,6 +219,12 @@ static u32 tonga_ih_get_wptr(struct amdgpu_device *adev,
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32(mmIH_RB_CNTL, tmp);
+ /* Unset the CLEAR_OVERFLOW bit immediately so new overflows
+ * can be detected.
+ */
+ tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 0);
+ WREG32(mmIH_RB_CNTL, tmp);
+
out:
return (wptr & ih->ptr_mask);
}