diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 1e8e1123ddf4..ce443586a0c7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1686,7 +1686,7 @@ void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock) { uint32_t bios_6_scratch; - bios_6_scratch = RREG32(mmBIOS_SCRATCH_6); + bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6); if (lock) { bios_6_scratch |= ATOM_S6_CRITICAL_STATE; @@ -1696,15 +1696,17 @@ void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock) bios_6_scratch |= ATOM_S6_ACC_MODE; } - WREG32(mmBIOS_SCRATCH_6, bios_6_scratch); + WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch); } void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev) { uint32_t bios_2_scratch, bios_6_scratch; - bios_2_scratch = RREG32(mmBIOS_SCRATCH_2); - bios_6_scratch = RREG32(mmBIOS_SCRATCH_6); + adev->bios_scratch_reg_offset = mmBIOS_SCRATCH_0; + + bios_2_scratch = RREG32(adev->bios_scratch_reg_offset + 2); + bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6); /* let the bios control the backlight */ bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE; @@ -1715,8 +1717,8 @@ void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev) /* clear the vbios dpms state */ bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE; - WREG32(mmBIOS_SCRATCH_2, bios_2_scratch); - WREG32(mmBIOS_SCRATCH_6, bios_6_scratch); + WREG32(adev->bios_scratch_reg_offset + 2, bios_2_scratch); + WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch); } void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev) @@ -1724,7 +1726,7 @@ void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev) int i; for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++) - adev->bios_scratch[i] = RREG32(mmBIOS_SCRATCH_0 + i); + adev->bios_scratch[i] = RREG32(adev->bios_scratch_reg_offset + i); } void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev) @@ -1738,20 +1740,30 @@ void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev) adev->bios_scratch[7] &= ~ATOM_S7_ASIC_INIT_COMPLETE_MASK; for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++) - WREG32(mmBIOS_SCRATCH_0 + i, adev->bios_scratch[i]); + WREG32(adev->bios_scratch_reg_offset + i, adev->bios_scratch[i]); } void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev, bool hung) { - u32 tmp = RREG32(mmBIOS_SCRATCH_3); + u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3); if (hung) tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; else tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; - WREG32(mmBIOS_SCRATCH_3, tmp); + WREG32(adev->bios_scratch_reg_offset + 3, tmp); +} + +bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev) +{ + u32 tmp = RREG32(adev->bios_scratch_reg_offset + 7); + + if (tmp & ATOM_S7_ASIC_INIT_COMPLETE_MASK) + return false; + else + return true; } /* Atom needs data in little endian format |