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drm/amd/powerplay: added index gc cac read/write apis for vega10 

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2017-07-03 22:37:44 +08:00 committed by Alex Deucher
parent 09628c3f68
commit 560460f282
1 changed files with 24 additions and 0 deletions
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24
drivers/gpu/drm/amd/amdgpu/soc15.c
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@ -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;