diff options
| author | Christian König <christian.koenig@amd.com> | 2018-08-23 20:38:52 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-29 12:35:24 -0500 |
| commit | 0be655d1c6c6a98811067544f6a84ebd42ba46b3 (patch) | |
| tree | a3fead79f9340e1b1de339fdf53eaf4821ca6538 /drivers | |
| parent | 961c75cf203179d0c546722290bf4b1147e5feb1 (diff) | |
drm/amdgpu: fix amdgpu_gmc_gart_location a little bit
Improve the VCE limitation handling.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 72dffa3fd194..8269197df8e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -120,24 +120,22 @@ void amdgpu_gmc_gart_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc) mc->gart_size += adev->pm.smu_prv_buffer_size; - size_af = adev->gmc.mc_mask - mc->vram_end; + /* VCE doesn't like it when BOs cross a 4GB segment, so align + * the GART base on a 4GB boundary as well. + */ size_bf = mc->vram_start; - if (size_bf > size_af) { - if (mc->gart_size > size_bf) { - dev_warn(adev->dev, "limiting GART\n"); - mc->gart_size = size_bf; - } + size_af = adev->gmc.mc_mask + 1 - + ALIGN(mc->vram_end + 1, 0x100000000ULL); + + if (mc->gart_size > max(size_bf, size_af)) { + dev_warn(adev->dev, "limiting GART\n"); + mc->gart_size = max(size_bf, size_af); + } + + if (size_bf > size_af) mc->gart_start = 0; - } else { - if (mc->gart_size > size_af) { - dev_warn(adev->dev, "limiting GART\n"); - mc->gart_size = size_af; - } - /* VCE doesn't like it when BOs cross a 4GB segment, so align - * the GART base on a 4GB boundary as well. - */ + else mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL); - } mc->gart_end = mc->gart_start + mc->gart_size - 1; dev_info(adev->dev, "GART: %lluM 0x%016llX - 0x%016llX\n", mc->gart_size >> 20, mc->gart_start, mc->gart_end); |