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drm/amdgpu: set proper index/data pair for smc regs on CZ (v2) 

v2: squash in later fix

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Alex Deucher 2015-07-10 16:21:10 -04:00
parent 974e6b641f
commit 7b92cdbfe2
1 changed files with 33 additions and 2 deletions
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35
drivers/gpu/drm/amd/amdgpu/vi.c
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@ -122,6 +122,32 @@ static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
}
/* smu_8_0_d.h */
#define mmMP0PUB_IND_INDEX 0x180
#define mmMP0PUB_IND_DATA 0x181
static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags;
u32 r;
spin_lock_irqsave(&adev->smc_idx_lock, flags);
WREG32(mmMP0PUB_IND_INDEX, (reg));
r = RREG32(mmMP0PUB_IND_DATA);
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
return r;
}
static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags;
spin_lock_irqsave(&adev->smc_idx_lock, flags);
WREG32(mmMP0PUB_IND_INDEX, (reg));
WREG32(mmMP0PUB_IND_DATA, (v));
spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
}
static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags;
@ -1222,8 +1248,13 @@ static int vi_common_early_init(void *handle)
bool smc_enabled = false;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
adev->smc_rreg = &vi_smc_rreg;
adev->smc_wreg = &vi_smc_wreg;
if (adev->flags & AMDGPU_IS_APU) {
adev->smc_rreg = &cz_smc_rreg;
adev->smc_wreg = &cz_smc_wreg;
} else {
adev->smc_rreg = &vi_smc_rreg;
adev->smc_wreg = &vi_smc_wreg;
}
adev->pcie_rreg = &vi_pcie_rreg;
adev->pcie_wreg = &vi_pcie_wreg;
adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;