diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 3403ded39d13..ffd0ec9586d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -65,16 +65,16 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; - /* Disable AGP. */ + /* Program the AGP BAR */ WREG32_SOC15(GC, 0, mmMC_VM_AGP_BASE, 0); - WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0); - WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFFFF); + WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); + WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); /* Program the system aperture low logical page number. */ WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, - adev->gmc.vram_start >> 18); + min(adev->gmc.vram_start, adev->gmc.agp_start) >> 18); WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, - adev->gmc.vram_end >> 18); + max(adev->gmc.vram_end, adev->gmc.agp_end) >> 18); /* Set default page address. */ value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start |