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path: root/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
index 3a248c8cd0b9..b72c8e4ca36b 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
@@ -152,14 +152,14 @@ static void mmhub_v2_3_init_system_aperture_regs(struct amdgpu_device *adev)
/* Disable AGP. */
WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0);
- WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_TOP, 0);
- WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BOT, 0x00FFFFFF);
+ WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
+ WREG32_SOC15(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
/* Program the system aperture low logical page number. */
WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
- adev->gmc.vram_start >> 18);
+ min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
- adev->gmc.vram_end >> 18);
+ max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
/* Set default page address. */
value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
@@ -376,7 +376,7 @@ static void mmhub_v2_3_gart_disable(struct amdgpu_device *adev)
u32 i;
/* Disable all tables */
- for (i = 0; i < 16; i++)
+ for (i = 0; i < AMDGPU_NUM_VMID; i++)
WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL,
i * hub->ctx_distance, 0);