diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c index 5718e4d40e66..fe0710b55c3a 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c @@ -198,6 +198,36 @@ static void mmhub_v9_4_init_tlb_regs(struct amdgpu_device *adev, int hubid) hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); } +/* Set snoop bit for SDMA so that SDMA writes probe-invalidates RW lines */ +static void mmhub_v9_4_init_snoop_override_regs(struct amdgpu_device *adev, int hubid) +{ + uint32_t tmp; + int i; + uint32_t distance = mmDAGB1_WRCLI_GPU_SNOOP_OVERRIDE - + mmDAGB0_WRCLI_GPU_SNOOP_OVERRIDE; + uint32_t huboffset = hubid * MMHUB_INSTANCE_REGISTER_OFFSET; + + for (i = 0; i < 5 - (2 * hubid); i++) { + /* DAGB instances 0 to 4 are in hub0 and 5 to 7 are in hub1 */ + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, + mmDAGB0_WRCLI_GPU_SNOOP_OVERRIDE, + huboffset + i * distance); + tmp |= (1 << 15); /* SDMA client is BIT15 */ + WREG32_SOC15_OFFSET(MMHUB, 0, + mmDAGB0_WRCLI_GPU_SNOOP_OVERRIDE, + huboffset + i * distance, tmp); + + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, + mmDAGB0_WRCLI_GPU_SNOOP_OVERRIDE_VALUE, + huboffset + i * distance); + tmp |= (1 << 15); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmDAGB0_WRCLI_GPU_SNOOP_OVERRIDE_VALUE, + huboffset + i * distance, tmp); + } + +} + static void mmhub_v9_4_init_cache_regs(struct amdgpu_device *adev, int hubid) { uint32_t tmp; @@ -308,7 +338,7 @@ static void mmhub_v9_4_setup_vmid_config(struct amdgpu_device *adev, int hubid) for (i = 0; i <= 14; i++) { tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT1_CNTL, - hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i); + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i * hub->ctx_distance); tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, @@ -392,6 +422,7 @@ static int mmhub_v9_4_gart_enable(struct amdgpu_device *adev) if (!amdgpu_sriov_vf(adev)) mmhub_v9_4_init_cache_regs(adev, i); + mmhub_v9_4_init_snoop_override_regs(adev, i); mmhub_v9_4_enable_system_domain(adev, i); if (!amdgpu_sriov_vf(adev)) mmhub_v9_4_disable_identity_aperture(adev, i); @@ -657,7 +688,7 @@ static int mmhub_v9_4_set_clockgating(struct amdgpu_device *adev, static void mmhub_v9_4_get_clockgating(struct amdgpu_device *adev, u64 *flags) { - int data, data1; + u32 data, data1; if (amdgpu_sriov_vf(adev)) *flags = 0; |