diff options
| author | Monk Liu <Monk.Liu@amd.com> | 2016-03-29 11:01:51 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 14:38:20 -0400 |
| commit | 4bc10d168a419dc07194fdb93ccc4c8cad1788e4 (patch) | |
| tree | b812db73f155203481fa78a6b2f5065955fa1ec1 /drivers/gpu/drm/amd/amdgpu/vi.c | |
| parent | e1d99217d02c52e141d61491f91160a9e6bd8fe7 (diff) | |
drm/amdgpu:use smc_index_11 for VI
for VI smc, index_0 to index_8 are all not safe,
they may used by BIOS/FW, and index_11 is reserved
only for driver.
Signed-off-by: Monk Liu <Monk.Liu@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/vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index c0d9aad7126f..ea3331c40391 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -121,8 +121,8 @@ static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg) u32 r; spin_lock_irqsave(&adev->smc_idx_lock, flags); - WREG32(mmSMC_IND_INDEX_0, (reg)); - r = RREG32(mmSMC_IND_DATA_0); + WREG32(mmSMC_IND_INDEX_11, (reg)); + r = RREG32(mmSMC_IND_DATA_11); spin_unlock_irqrestore(&adev->smc_idx_lock, flags); return r; } @@ -132,8 +132,8 @@ static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) unsigned long flags; spin_lock_irqsave(&adev->smc_idx_lock, flags); - WREG32(mmSMC_IND_INDEX_0, (reg)); - WREG32(mmSMC_IND_DATA_0, (v)); + WREG32(mmSMC_IND_INDEX_11, (reg)); + WREG32(mmSMC_IND_DATA_11, (v)); spin_unlock_irqrestore(&adev->smc_idx_lock, flags); } @@ -437,12 +437,12 @@ static bool vi_read_bios_from_rom(struct amdgpu_device *adev, /* take the smc lock since we are using the smc index */ spin_lock_irqsave(&adev->smc_idx_lock, flags); /* set rom index to 0 */ - WREG32(mmSMC_IND_INDEX_0, ixROM_INDEX); - WREG32(mmSMC_IND_DATA_0, 0); + WREG32(mmSMC_IND_INDEX_11, ixROM_INDEX); + WREG32(mmSMC_IND_DATA_11, 0); /* set index to data for continous read */ - WREG32(mmSMC_IND_INDEX_0, ixROM_DATA); + WREG32(mmSMC_IND_INDEX_11, ixROM_DATA); for (i = 0; i < length_dw; i++) - dw_ptr[i] = RREG32(mmSMC_IND_DATA_0); + dw_ptr[i] = RREG32(mmSMC_IND_DATA_11); spin_unlock_irqrestore(&adev->smc_idx_lock, flags); return true; |