diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-04-10 17:49:56 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:43:08 -0500 |
| commit | 08ebb6e9f4fd7098c28e0ebbb42847cf0488ebb8 (patch) | |
| tree | c9d852977b01c860d34eaef8607ec0dc49db77cd /drivers/gpu/drm/amd/amdgpu/vi.c | |
| parent | 819a23f83e3b2513cffbef418458a47ca02c36b3 (diff) | |
drm/amdgpu: Add APU support in vi_set_vce_clocks
1. fix set vce clocks failed on Cz/St
which lead 1s delay when boot up.
2. remove the workaround in vce_v3_0.c
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 | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 51acd7c3d2a9..4034a2863226 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -757,6 +757,8 @@ static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock, #define ixGNB_CLK1_STATUS 0xD822010C #define ixGNB_CLK2_DFS_CNTL 0xD8220110 #define ixGNB_CLK2_STATUS 0xD822012C +#define ixGNB_CLK3_DFS_CNTL 0xD8220130 +#define ixGNB_CLK3_STATUS 0xD822014C static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk) { @@ -788,6 +790,22 @@ static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) int r, i; struct atom_clock_dividers dividers; u32 tmp; + u32 reg_ctrl; + u32 reg_status; + u32 status_mask; + u32 reg_mask; + + if (adev->flags & AMD_IS_APU) { + reg_ctrl = ixGNB_CLK3_DFS_CNTL; + reg_status = ixGNB_CLK3_STATUS; + status_mask = 0x00010000; + reg_mask = CG_ECLK_CNTL__ECLK_DIVIDER_MASK; + } else { + reg_ctrl = ixCG_ECLK_CNTL; + reg_status = ixCG_ECLK_STATUS; + status_mask = CG_ECLK_STATUS__ECLK_STATUS_MASK; + reg_mask = CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK | CG_ECLK_CNTL__ECLK_DIVIDER_MASK; + } r = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, @@ -796,24 +814,25 @@ static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) return r; for (i = 0; i < 100; i++) { - if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK) + if (RREG32_SMC(reg_status) & 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 = RREG32_SMC(reg_ctrl); + tmp &= ~reg_mask; tmp |= dividers.post_divider; - WREG32_SMC(ixCG_ECLK_CNTL, tmp); + WREG32_SMC(reg_ctrl, tmp); for (i = 0; i < 100; i++) { - if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK) + if (RREG32_SMC(reg_status) & status_mask) break; mdelay(10); } + if (i == 100) return -ETIMEDOUT; |