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| author | Christian König <christian.koenig@amd.com> | 2017-07-07 14:17:45 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 18:06:31 +0300 |
| commit | 36d3837266c53a92a909f22f6bbf0846c0e6464f (patch) | |
| tree | 5b5f9bca8890ebccc39f88ba8af33da70161dbd3 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | bb84284e10ec3447b4bb74cfa493d5c384a0b798 (diff) | |
| download | linux-36d3837266c53a92a909f22f6bbf0846c0e6464f.tar.xz | |
drm/amdgpu: add new gttsize module parameter v2
This allows setting the gtt size independent of the gart size.
v2: fix copy and paste typo
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 4e711d9af67c..b5420b20c2f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1097,6 +1097,7 @@ static struct ttm_bo_driver amdgpu_bo_driver = { int amdgpu_ttm_init(struct amdgpu_device *adev) { + uint64_t gtt_size; int r; r = amdgpu_ttm_global_init(adev); @@ -1143,14 +1144,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) } DRM_INFO("amdgpu: %uM of VRAM memory ready\n", (unsigned) (adev->mc.real_vram_size / (1024 * 1024))); - r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, - adev->mc.gart_size >> PAGE_SHIFT); + + if (amdgpu_gtt_size == -1) + gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), + adev->mc.mc_vram_size); + else + gtt_size = (uint64_t)amdgpu_gtt_size << 20; + r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT); if (r) { DRM_ERROR("Failed initializing GTT heap.\n"); return r; } DRM_INFO("amdgpu: %uM of GTT memory ready.\n", - (unsigned)(adev->mc.gart_size / (1024 * 1024))); + (unsigned)(gtt_size / (1024 * 1024))); adev->gds.mem.total_size = adev->gds.mem.total_size << AMDGPU_GDS_SHIFT; adev->gds.mem.gfx_partition_size = adev->gds.mem.gfx_partition_size << AMDGPU_GDS_SHIFT; |