static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
{
- uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
+ uint64_t pt_base;
- gfxhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
+ if (adev->gmc.pdb0_bo)
+ pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo);
+ else
+ pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
- WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
- (u32)(adev->gmc.gart_start >> 12));
- WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
- (u32)(adev->gmc.gart_start >> 44));
+ gfxhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
- WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
- (u32)(adev->gmc.gart_end >> 12));
- WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
- (u32)(adev->gmc.gart_end >> 44));
+ /* If use GART for FB translation, vmid0 page table covers both
+ * vram and system memory (gart)
+ */
+ if (adev->gmc.pdb0_bo) {
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
+ (u32)(adev->gmc.fb_start >> 12));
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
+ (u32)(adev->gmc.fb_start >> 44));
+
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
+ (u32)(adev->gmc.gart_end >> 12));
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
+ (u32)(adev->gmc.gart_end >> 44));
+ } else {
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
+ (u32)(adev->gmc.gart_start >> 12));
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
+ (u32)(adev->gmc.gart_start >> 44));
+
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
+ (u32)(adev->gmc.gart_end >> 12));
+ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
+ (u32)(adev->gmc.gart_end >> 44));
+ }
}
static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
}
+
+ /* In the case squeezing vram into GART aperture, we don't use
+ * FB aperture and AGP aperture. Disable them.
+ */
+ if (adev->gmc.pdb0_bo) {
+ WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0);
+ WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
+ WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
+ WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF);
+ WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
+ WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
+ }
}
static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)