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Code Issues Releases Wiki Activity

drm/amd/amdgpu: L1 Policy(2/5) - removed GC GRBM violations from gfxhub

Browse source 
Signed-off-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Jane Jian <jane.jian@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Zhigang Luo 2019-12-02 09:50:19 -05:00 committed by Alex Deucher
parent 20bf2f6fef
commit 08546895bc
2 changed files with 40 additions and 33 deletions
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71
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
View file

@ -75,40 +75,45 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
/* Program the system aperture low logical page number. */
WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
/* Program the system aperture low logical page number. */
WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
if (adev->asic_type == CHIP_RAVEN && adev->rev_id >= 0x8)
/*
* Raven2 has a HW issue that it is unable to use the vram which
* is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the
* workaround that increase system aperture high address (add 1)
* to get rid of the VM fault and hardware hang.
*/
WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max((adev->gmc.fb_end >> 18) + 0x1,
adev->gmc.agp_end >> 18));
else
WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
if (adev->asic_type == CHIP_RAVEN && adev->rev_id >= 0x8)
/*
* Raven2 has a HW issue that it is unable to use the
* vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
* So here is the workaround that increase system
* aperture high address (add 1) to get rid of the VM
* fault and hardware hang.
*/
WREG32_SOC15_RLC(GC, 0,
mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max((adev->gmc.fb_end >> 18) + 0x1,
adev->gmc.agp_end >> 18));
else
WREG32_SOC15_RLC(
GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
/* Set default page address. */
value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start
+ adev->vm_manager.vram_base_offset;
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
(u32)(value >> 12));
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
(u32)(value >> 44));
/* Set default page address. */
value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
adev->vm_manager.vram_base_offset;
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
(u32)(value >> 12));
WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
(u32)(value >> 44));
/* Program "protection fault". */
WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
(u32)(adev->dummy_page_addr >> 12));
WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
(u32)((u64)adev->dummy_page_addr >> 44));
/* Program "protection fault". */
WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
(u32)(adev->dummy_page_addr >> 12));
WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
(u32)((u64)adev->dummy_page_addr >> 44));
WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
}
}
static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
@ -280,10 +285,12 @@ int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
gfxhub_v1_0_init_gart_aperture_regs(adev);
gfxhub_v1_0_init_system_aperture_regs(adev);
gfxhub_v1_0_init_tlb_regs(adev);
gfxhub_v1_0_init_cache_regs(adev);
if (!amdgpu_sriov_vf(adev))
gfxhub_v1_0_init_cache_regs(adev);
gfxhub_v1_0_enable_system_domain(adev);
gfxhub_v1_0_disable_identity_aperture(adev);
if (!amdgpu_sriov_vf(adev))
gfxhub_v1_0_disable_identity_aperture(adev);
gfxhub_v1_0_setup_vmid_config(adev);
gfxhub_v1_0_program_invalidation(adev);

2
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
View file

@ -1307,8 +1307,8 @@ static int gmc_v9_0_hw_init(void *handle)
else
value = true;
gfxhub_v1_0_set_fault_enable_default(adev, value);
if (!amdgpu_sriov_vf(adev)) {
gfxhub_v1_0_set_fault_enable_default(adev, value);
if (adev->asic_type == CHIP_ARCTURUS)
mmhub_v9_4_set_fault_enable_default(adev, value);
else