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| author | Haohui Mai <ricetons@gmail.com> | 2022-04-25 20:23:38 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-04-26 11:44:06 -0400 |
| commit | ca5d251b3b6e3aabf2d1bb7261c6b8e156b7ee16 (patch) | |
| tree | 6c00c46f2910668320ec41b5d21515c90b7863fd /drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | |
| parent | 7dba6e838e741caadcf27ef717b6dcb561e77f89 (diff) | |
| download | linux-stable-ca5d251b3b6e3aabf2d1bb7261c6b8e156b7ee16.tar.gz linux-stable-ca5d251b3b6e3aabf2d1bb7261c6b8e156b7ee16.tar.bz2 linux-stable-ca5d251b3b6e3aabf2d1bb7261c6b8e156b7ee16.zip | |
drm/amdgpu/sdma: Remove redundant lower_32_bits() calls when settings SDMA doorbell
Updated the patch for the pre-vega hardware. I kept the clamping code
to be safe.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Haohui Mai <ricetons@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 3695374896ed..8af5c94d526a 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -389,14 +389,14 @@ static void sdma_v3_0_ring_set_wptr(struct amdgpu_ring *ring) if (ring->use_doorbell) { u32 *wb = (u32 *)&adev->wb.wb[ring->wptr_offs]; /* XXX check if swapping is necessary on BE */ - WRITE_ONCE(*wb, (lower_32_bits(ring->wptr) << 2)); - WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr) << 2); + WRITE_ONCE(*wb, ring->wptr << 2); + WDOORBELL32(ring->doorbell_index, ring->wptr << 2); } else if (ring->use_pollmem) { u32 *wb = (u32 *)&adev->wb.wb[ring->wptr_offs]; - WRITE_ONCE(*wb, (lower_32_bits(ring->wptr) << 2)); + WRITE_ONCE(*wb, ring->wptr << 2); } else { - WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me], lower_32_bits(ring->wptr) << 2); + WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me], ring->wptr << 2); } } |