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| author | Alex Deucher <alexander.deucher@amd.com> | 2026-01-28 18:13:16 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-01-29 12:39:15 -0500 |
| commit | 9077d32a4b570fa20500aa26e149981c366c965d (patch) | |
| tree | d3298f932c71d77138243613cff7982e56483f64 /drivers | |
| parent | b1f810471c6a6bd349f7f9f2f2fed96082056d46 (diff) | |
| download | lwn-9077d32a4b570fa20500aa26e149981c366c965d.tar.gz lwn-9077d32a4b570fa20500aa26e149981c366c965d.zip | |
drm/amdgpu/gfx12: fix wptr reset in KGQ init
wptr is a 64 bit value and we need to update the
full value, not just 32 bits. Align with what we
already do for KCQs.
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit a2918f958d3f677ea93c0ac257cb6ba69b7abb7c)
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index b786967022d2..fbc100778f97 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c @@ -3079,7 +3079,7 @@ static int gfx_v12_0_kgq_init_queue(struct amdgpu_ring *ring, bool reset) memcpy_toio(mqd, adev->gfx.me.mqd_backup[mqd_idx], sizeof(*mqd)); /* reset the ring */ ring->wptr = 0; - *ring->wptr_cpu_addr = 0; + atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 0); amdgpu_ring_clear_ring(ring); } |