diff options
| author |   Prike Liang <Prike.Liang@amd.com> | 2024-11-15 16:04:48 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2024-12-10 10:26:45 -0500 |
| commit | 66f4f7d5aa316f88b0fcb5c2e2b80014da28f640 (patch) | |
| tree | 672a0844ec3888d4772df81d758bf954558e18bb /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | |
| parent | drm/amdgpu/sdma4.4.2: implement ring reset callback for sdma4.4.2 (diff) | |
| download | wireguard-linux-66f4f7d5aa316f88b0fcb5c2e2b80014da28f640.tar.xz wireguard-linux-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 <Prike.Liang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 0b6f09f2cc9b..4806a6ae7d43 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3488,9 +3488,7 @@ static void gfx_v9_0_kiq_setting(struct amdgpu_ring *ring) tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS); tmp &= 0xffffff00; tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue); - WREG32_SOC15_RLC(GC, 0, mmRLC_CP_SCHEDULERS, tmp); - tmp |= 0x80; - WREG32_SOC15_RLC(GC, 0, mmRLC_CP_SCHEDULERS, tmp); + WREG32_SOC15_RLC(GC, 0, mmRLC_CP_SCHEDULERS, tmp | 0x80); } static void gfx_v9_0_mqd_set_priority(struct amdgpu_ring *ring, struct v9_mqd *mqd) |