diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2017-01-10 19:54:25 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-01-27 11:13:15 -0500 |
| commit | 714b1f5371fc4b4d5f49dd1715a595c17871edac (patch) | |
| tree | 8ce4b59ac8fe96f004a294726ab57641bd6706cd /drivers/gpu/drm/amd/amdgpu/vi.c | |
| parent | 570272d2296ce42b7d0b4c5afa5b668100930507 (diff) | |
| download | linux-714b1f5371fc4b4d5f49dd1715a595c17871edac.tar.bz2 | |
drm/amdgpu: refine vce3.0 initialize.
1. disable vce cg when vce hw initialize.
2. initizlize vce clock to 10KHz fo dgpu,
so no need to set bypass clock to vce.
Change-Id: I934c2c4820cc95c1bfa2fa41ff0f40a0d3cd1c40
Signed-off-by: Rex Zhu <Rex.Zhu@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/vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 45b7edd2c969..95029e2e2650 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -788,7 +788,37 @@ static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk) static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) { - /* todo */ + int r, i; + struct atom_clock_dividers dividers; + u32 tmp; + + r = amdgpu_atombios_get_clock_dividers(adev, + COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, + ecclk, false, ÷rs); + if (r) + return r; + + for (i = 0; i < 100; i++) { + if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK) + break; + mdelay(10); + } + if (i == 100) + return -ETIMEDOUT; + + tmp = RREG32_SMC(ixCG_ECLK_CNTL); + tmp &= ~(CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK | + CG_ECLK_CNTL__ECLK_DIVIDER_MASK); + tmp |= dividers.post_divider; + WREG32_SMC(ixCG_ECLK_CNTL, tmp); + + for (i = 0; i < 100; i++) { + if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK) + break; + mdelay(10); + } + if (i == 100) + return -ETIMEDOUT; return 0; } |