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authorSonny Jiang <sonny.jiang@amd.com>2020-06-10 16:14:57 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-07-01 01:59:24 -0400
commit80533a85093402a05303b01101a0080aa055ff3d (patch)
tree53c75ad6745761e4fbe633a09177a2ff47541af0 /drivers/gpu/drm/amd/amdgpu
parentb38f3e80ecec3ea004207b0ec5d0672d7a5b7298 (diff)
drm amdgpu: SI UVD context rreg/wreg
Implement SI uvd_ctx_rreg/wreg functions. Signed-off-by: Sonny Jiang <sonny.jiang@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')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/si.c26
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;