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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>
This commit is contained in:
Sonny Jiang 2020-06-10 16:14:57 -04:00 committed by Alex Deucher
parent b38f3e80ec
commit 80533a8509
1 changed files with 24 additions and 2 deletions
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26
drivers/gpu/drm/amd/amdgpu/si.c
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@ -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;