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| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-10-26 17:04:33 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-27 15:18:38 -0400 |
| commit | 4be5097ccba6dd6006b24db238c75dfcf66bcad3 (patch) | |
| tree | c31ab82de3e043c14bc8582bdd71c8a4990c157e /drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | |
| parent | 3f767e3d076dd2a24a614917c8f0b05d8d82b90b (diff) | |
| download | linux-4be5097ccba6dd6006b24db238c75dfcf66bcad3.tar.bz2 | |
drm/amdgpu: enable uvd bypass mode for CI/VI.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index 05088ec4c41b..95303e2d5f92 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -33,6 +33,8 @@ #include "oss/oss_2_0_sh_mask.h" #include "bif/bif_5_0_d.h" #include "vi.h" +#include "smu/smu_7_1_2_d.h" +#include "smu/smu_7_1_2_sh_mask.h" static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev); static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev); @@ -722,6 +724,20 @@ static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev) } #endif +static void uvd_v5_0_set_bypass_mode(struct amdgpu_device *adev, bool enable) +{ + u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL); + + if (enable) + tmp |= (GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK | + GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK); + else + tmp &= ~(GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK | + GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK); + + WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp); +} + static int uvd_v5_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { @@ -729,6 +745,8 @@ static int uvd_v5_0_set_clockgating_state(void *handle, bool enable = (state == AMD_CG_STATE_GATE) ? true : false; static int curstate = -1; + uvd_v5_0_set_bypass_mode(adev, enable); + if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) return 0; |