diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2017-08-22 12:21:07 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-08-24 11:48:44 -0400 |
| commit | 5df239ff222509365769ce1a4efdd5924c9a15df (patch) | |
| tree | 7f8e01aef37925fa232894fadb101bf610cc91ad /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | |
| parent | 547f1091b972cec23feec21611eb33105c86240c (diff) | |
drm/amdgpu: refine default gart size
Be more explicit and add comments explaining each case.
Also s/gart/GART/ in the parameter string as per Felix'
suggestion.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@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 | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index b9b9f680fc08..2027eb010a47 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | |||
| @@ -68,13 +68,39 @@ void amdgpu_gart_set_defaults(struct amdgpu_device *adev) | |||
| 68 | u64 gart_size; | 68 | u64 gart_size; |
| 69 | 69 | ||
| 70 | if (amdgpu_gart_size == -1) { | 70 | if (amdgpu_gart_size == -1) { |
| 71 | /* make the GART larger for chips that | 71 | switch (adev->asic_type) { |
| 72 | * dont' support VM for all rings | 72 | #ifdef CONFIG_DRM_AMDGPU_SI |
| 73 | */ | 73 | case CHIP_HAINAN: /* no MM engines */ |
| 74 | if (adev->asic_type <= CHIP_STONEY) | 74 | #endif |
| 75 | gart_size = 1024; | 75 | case CHIP_TOPAZ: /* no MM engines */ |
| 76 | else | 76 | case CHIP_POLARIS11: /* all engines support GPUVM */ |
| 77 | case CHIP_POLARIS10: /* all engines support GPUVM */ | ||
| 78 | case CHIP_POLARIS12: /* all engines support GPUVM */ | ||
| 79 | case CHIP_VEGA10: /* all engines support GPUVM */ | ||
| 80 | default: | ||
| 77 | gart_size = 256; | 81 | gart_size = 256; |
| 82 | break; | ||
| 83 | #ifdef CONFIG_DRM_AMDGPU_SI | ||
| 84 | case CHIP_VERDE: /* UVD, VCE do not support GPUVM */ | ||
| 85 | case CHIP_TAHITI: /* UVD, VCE do not support GPUVM */ | ||
| 86 | case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */ | ||
| 87 | case CHIP_OLAND: /* UVD, VCE do not support GPUVM */ | ||
| 88 | #endif | ||
| 89 | #ifdef CONFIG_DRM_AMDGPU_CIK | ||
| 90 | case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */ | ||
| 91 | case CHIP_HAWAII: /* UVD, VCE do not support GPUVM */ | ||
| 92 | case CHIP_KAVERI: /* UVD, VCE do not support GPUVM */ | ||
| 93 | case CHIP_KABINI: /* UVD, VCE do not support GPUVM */ | ||
| 94 | case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */ | ||
| 95 | #endif | ||
| 96 | case CHIP_TONGA: /* UVD, VCE do not support GPUVM */ | ||
| 97 | case CHIP_FIJI: /* UVD, VCE do not support GPUVM */ | ||
| 98 | case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */ | ||
| 99 | case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */ | ||
| 100 | case CHIP_RAVEN: /* DCE SG support */ | ||
| 101 | gart_size = 1024; | ||
| 102 | break; | ||
| 103 | } | ||
| 78 | } else { | 104 | } else { |
| 79 | gart_size = amdgpu_gart_size; | 105 | gart_size = amdgpu_gart_size; |
| 80 | } | 106 | } |