diff options
| author | Prike Liang <[email protected]> | 2024-11-15 08:04:48 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-12-10 15:26:45 +0000 |
| commit | 66f4f7d5aa316f88b0fcb5c2e2b80014da28f640 (patch) | |
| tree | 672a0844ec3888d4772df81d758bf954558e18bb /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | |
| parent | drm/amdgpu/sdma4.4.2: implement ring reset callback for sdma4.4.2 (diff) | |
| download | kernel-66f4f7d5aa316f88b0fcb5c2e2b80014da28f640.tar.gz kernel-66f4f7d5aa316f88b0fcb5c2e2b80014da28f640.zip | |
drm/amdgpu: reduce the mmio writes in kiq setting
There's no need to perform the two MMIO writes in the KIQ
Setting registers programmed period, and reducing the MMIO
writes will save the driver loading time.
Signed-off-by: Prike Liang <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index b7006c41e270..7d45d4afa44e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -4304,9 +4304,7 @@ static void gfx_v8_0_kiq_setting(struct amdgpu_ring *ring) tmp = RREG32(mmRLC_CP_SCHEDULERS); tmp &= 0xffffff00; tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue); - WREG32(mmRLC_CP_SCHEDULERS, tmp); - tmp |= 0x80; - WREG32(mmRLC_CP_SCHEDULERS, tmp); + WREG32(mmRLC_CP_SCHEDULERS, tmp | 0x80); } static int gfx_v8_0_kiq_kcq_enable(struct amdgpu_device *adev) |