diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/si.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index dfbf42666bae..0f1c6c154705 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -974,6 +974,28 @@ static void si_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) spin_unlock_irqrestore(&adev->smc_idx_lock, flags); } +static u32 si_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags); + WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff)); + r = RREG32(mmUVD_CTX_DATA); + spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags); + return r; +} + +static void si_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags); + WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff)); + WREG32(mmUVD_CTX_DATA, (v)); + spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags); +} + static struct amdgpu_allowed_register_entry si_allowed_read_registers[] = { {GRBM_STATUS}, {mmGRBM_STATUS2}, @@ -1444,8 +1466,8 @@ static int si_common_early_init(void *handle) adev->pcie_wreg = &si_pcie_wreg; adev->pciep_rreg = &si_pciep_rreg; adev->pciep_wreg = &si_pciep_wreg; - adev->uvd_ctx_rreg = NULL; - adev->uvd_ctx_wreg = NULL; + adev->uvd_ctx_rreg = si_uvd_ctx_rreg; + adev->uvd_ctx_wreg = si_uvd_ctx_wreg; adev->didt_rreg = NULL; adev->didt_wreg = NULL; |