diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-04-10 17:17:22 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:43:08 -0500 |
| commit | 819a23f83e3b2513cffbef418458a47ca02c36b3 (patch) | |
| tree | aecfb45f7ea56873ec6ca61863885d50d4601753 /drivers/gpu/drm/amd/amdgpu/vi.c | |
| parent | 29ae1118d85e8435b12fca512410dbd39920cce9 (diff) | |
drm/amdgpu: Add APU support in vi_set_uvd_clocks
fix the issue set uvd clock failed on CZ/ST
which lead 1s delay when boot up.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Shirish S <shirish.s@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 1b4ee249b95a..51acd7c3d2a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -728,33 +728,57 @@ static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock, return r; tmp = RREG32_SMC(cntl_reg); - tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK | - CG_DCLK_CNTL__DCLK_DIVIDER_MASK); + + if (adev->flags & AMD_IS_APU) + tmp &= ~CG_DCLK_CNTL__DCLK_DIVIDER_MASK; + else + tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK | + CG_DCLK_CNTL__DCLK_DIVIDER_MASK); tmp |= dividers.post_divider; WREG32_SMC(cntl_reg, tmp); for (i = 0; i < 100; i++) { - if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK) - break; + tmp = RREG32_SMC(status_reg); + if (adev->flags & AMD_IS_APU) { + if (tmp & 0x10000) + break; + } else { + if (tmp & CG_DCLK_STATUS__DCLK_STATUS_MASK) + break; + } mdelay(10); } if (i == 100) return -ETIMEDOUT; - return 0; } +#define ixGNB_CLK1_DFS_CNTL 0xD82200F0 +#define ixGNB_CLK1_STATUS 0xD822010C +#define ixGNB_CLK2_DFS_CNTL 0xD8220110 +#define ixGNB_CLK2_STATUS 0xD822012C + static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk) { int r; - r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS); - if (r) - return r; + if (adev->flags & AMD_IS_APU) { + r = vi_set_uvd_clock(adev, vclk, ixGNB_CLK2_DFS_CNTL, ixGNB_CLK2_STATUS); + if (r) + return r; - r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS); - if (r) - return r; + r = vi_set_uvd_clock(adev, dclk, ixGNB_CLK1_DFS_CNTL, ixGNB_CLK1_STATUS); + if (r) + return r; + } else { + r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS); + if (r) + return r; + + r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS); + if (r) + return r; + } return 0; } |