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| author | Christian König <christian.koenig@amd.com> | 2017-06-26 12:37:49 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 18:05:53 +0300 |
| commit | 011d4bbea969268c013eaf6e39721d3181833711 (patch) | |
| tree | 91cf62eced392441a070c2ea19e21e6226a06b24 /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | |
| parent | 890419409a3aba2ca7185a824e47d8ded8df11a2 (diff) | |
| download | linux-011d4bbea969268c013eaf6e39721d3181833711.tar.xz | |
drm/amdgpu: cleanup initializing gtt_size
Stop spreading the code over all GMC generations.
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_gart.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index a57abc1a25fb..982b1cc11dac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -55,6 +55,26 @@ /* * Common GART table functions. */ + +/** + * amdgpu_gart_set_defaults - set the default gtt_size + * + * @adev: amdgpu_device pointer + * + * Set the default gtt_size based on parameters and available VRAM. + */ +void amdgpu_gart_set_defaults(struct amdgpu_device *adev) +{ + /* unless the user had overridden it, set the gart + * size equal to the 1024 or vram, whichever is larger. + */ + if (amdgpu_gart_size == -1) + adev->mc.gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), + adev->mc.mc_vram_size); + else + adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20; +} + /** * amdgpu_gart_table_ram_alloc - allocate system ram for gart page table * |