diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c index fa42d1907dfa..be0d0f47415e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c @@ -151,16 +151,17 @@ static void gfxhub_v3_0_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; - /* Disable AGP. */ + /* Program the AGP BAR */ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0); - WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, 0); - WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, 0x00FFFFFF); + WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); + WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); + /* Program the system aperture low logical page number. */ WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, - adev->gmc.vram_start >> 18); + min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); WREG32_SOC15(GC, 0, regGCMC_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->mem_scratch.gpu_addr - adev->gmc.vram_start |