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authorThomas Zimmermann <[email protected]>2024-02-07 12:01:19 +0000
committerThomas Zimmermann <[email protected]>2024-02-07 12:02:20 +0000
commit0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f (patch)
tree75b387bc359637c15b90ababb1ff073ca68b5bd8 /drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
parentdrm: mipi-dsi: make mipi_dsi_bus_type const (diff)
parentMerge tag 'drm-misc-next-2024-01-11' of git://anongit.freedesktop.org/drm/drm... (diff)
downloadkernel-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.tar.gz
kernel-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.zip
Merge drm/drm-next into drm-misc-next
Backmerging to update drm-misc-next to the state of v6.8-rc3. Also fixes a build problem with xe. Signed-off-by: Thomas Zimmermann <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ih_v6_1.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/ih_v6_1.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
index 8fb05eae340a..b8da0fc29378 100644
--- a/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_1.c
@@ -418,6 +418,13 @@ static u32 ih_v6_1_get_wptr(struct amdgpu_device *adev,
tmp = RREG32_NO_KIQ(ih_regs->ih_rb_cntl);
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32_NO_KIQ(ih_regs->ih_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_NO_KIQ(ih_regs->ih_rb_cntl, tmp);
+
out:
return (wptr & ih->ptr_mask);
}