diff options
| author | Christian König <christian.koenig@amd.com> | 2018-10-04 10:27:48 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-10-09 17:06:58 -0500 |
| commit | 2ccecaf661e0b686a99ad0990e5ce14447942718 (patch) | |
| tree | ff141ff381dd1c955b32f22b0270ae5ce2296228 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | |
| parent | bdbb4d6e96bc9558e404bf709480ac2f7783c843 (diff) | |
drm/amdgpu: fix AGP location with VRAM at 0x0
That also simplifies handling quite a bit.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 9a5b252784a1..999e15945355 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -200,16 +200,13 @@ void amdgpu_gmc_agp_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc) } if (size_bf > size_af) { - mc->agp_start = mc->fb_start > mc->gart_start ? - mc->gart_end + 1 : 0; + mc->agp_start = (mc->fb_start - size_bf) & sixteen_gb_mask; mc->agp_size = size_bf; } else { - mc->agp_start = (mc->fb_start > mc->gart_start ? - mc->fb_end : mc->gart_end) + 1, + mc->agp_start = ALIGN(mc->fb_end + 1, sixteen_gb); mc->agp_size = size_af; } - mc->agp_start = ALIGN(mc->agp_start, sixteen_gb); mc->agp_end = mc->agp_start + mc->agp_size - 1; dev_info(adev->dev, "AGP: %lluM 0x%016llX - 0x%016llX\n", mc->agp_size >> 20, mc->agp_start, mc->agp_end); |