diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/soc15.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 4003cb517451..ca9fa3fe788d 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -196,6 +196,28 @@ static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v) spin_unlock_irqrestore(&adev->didt_idx_lock, flags); } +static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&adev->gc_cac_idx_lock, flags); + WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg)); + r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA); + spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags); + return r; +} + +static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&adev->gc_cac_idx_lock, flags); + WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg)); + WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v)); + spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags); +} + static u32 soc15_get_config_memsize(struct amdgpu_device *adev) { if (adev->flags & AMD_IS_APU) @@ -555,6 +577,8 @@ static int soc15_common_early_init(void *handle) adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg; adev->didt_rreg = &soc15_didt_rreg; adev->didt_wreg = &soc15_didt_wreg; + adev->gc_cac_rreg = &soc15_gc_cac_rreg; + adev->gc_cac_wreg = &soc15_gc_cac_wreg; adev->asic_funcs = &soc15_asic_funcs; |