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drm/amdgpu: abstract disable identity aperture for gfxhub/mmhub
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Signed-off-by: Huang Rui <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Acked-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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huangrui authored and alexdeucher committed Jun 6, 2017
1 parent 02c4704 commit d5c8739
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Showing 2 changed files with 41 additions and 32 deletions.
37 changes: 21 additions & 16 deletions drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
Original file line number Diff line number Diff line change
Expand Up @@ -175,6 +175,26 @@ static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL), tmp);
}

static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
{
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32),
0XFFFFFFFF);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);

WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);

WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);

}

int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
{
u32 tmp;
Expand All @@ -199,22 +219,7 @@ int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
gfxhub_v1_0_init_cache_regs(adev);

gfxhub_v1_0_enable_system_domain(adev);

/* Disable identity aperture.*/
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);

WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);

WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
gfxhub_v1_0_disable_identity_aperture(adev);

for (i = 0; i <= 14; i++) {
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL) + i);
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36 changes: 20 additions & 16 deletions drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,25 @@ static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL), tmp);
}

static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
{
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32),
0XFFFFFFFF);
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);

WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);

WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
}

int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
{
u32 tmp;
Expand All @@ -210,22 +229,7 @@ int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
mmhub_v1_0_init_cache_regs(adev);

mmhub_v1_0_enable_system_domain(adev);

/* Disable identity aperture.*/
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);

WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);

WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
mmhub_v1_0_disable_identity_aperture(adev);

for (i = 0; i <= 14; i++) {
tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL)
Expand Down

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