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_v10_0.c | |
| parent | 52b10d55c15b53113cf50fe29e79f98b12e40e7a (diff) | |
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_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 24dce803a829..f18522b0b9fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -6599,17 +6599,13 @@ static void gfx_v10_0_kiq_setting(struct amdgpu_ring *ring) tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid); tmp &= 0xffffff00; tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue); - WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid, tmp); - tmp |= 0x80; - WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid, tmp); + WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid, tmp | 0x80); break; default: tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS); tmp &= 0xffffff00; tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue); - WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, tmp); - tmp |= 0x80; - WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, tmp); + WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, tmp | 0x80); break; } } |