From a4da14cc6266a8b77e897750390cd4afe0e52344 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 22 Aug 2017 12:21:07 -0400 Subject: [PATCH] drm/amdgpu: refine default gart size MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 38 ++++++++++++++++++++---- 2 files changed, 33 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 4ecf73787475..0f16986ec5bc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -128,7 +128,7 @@ module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); MODULE_PARM_DESC(vis_vramlimit, "Restrict visible VRAM for testing, in megabytes"); module_param_named(vis_vramlimit, amdgpu_vis_vram_limit, int, 0444); -MODULE_PARM_DESC(gartsize, "Size of gart to setup in megabytes (32, 64, etc., -1=auto)"); +MODULE_PARM_DESC(gartsize, "Size of GART to setup in megabytes (32, 64, etc., -1=auto)"); module_param_named(gartsize, amdgpu_gart_size, uint, 0600); MODULE_PARM_DESC(gttsize, "Size of the GTT domain in megabytes (-1 = auto)"); 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) u64 gart_size; if (amdgpu_gart_size == -1) { - /* make the GART larger for chips that - * dont' support VM for all rings - */ - if (adev->asic_type <= CHIP_STONEY) - gart_size = 1024; - else + switch (adev->asic_type) { +#ifdef CONFIG_DRM_AMDGPU_SI + case CHIP_HAINAN: /* no MM engines */ +#endif + case CHIP_TOPAZ: /* no MM engines */ + case CHIP_POLARIS11: /* all engines support GPUVM */ + case CHIP_POLARIS10: /* all engines support GPUVM */ + case CHIP_POLARIS12: /* all engines support GPUVM */ + case CHIP_VEGA10: /* all engines support GPUVM */ + default: gart_size = 256; + break; +#ifdef CONFIG_DRM_AMDGPU_SI + case CHIP_VERDE: /* UVD, VCE do not support GPUVM */ + case CHIP_TAHITI: /* UVD, VCE do not support GPUVM */ + case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */ + case CHIP_OLAND: /* UVD, VCE do not support GPUVM */ +#endif +#ifdef CONFIG_DRM_AMDGPU_CIK + case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */ + case CHIP_HAWAII: /* UVD, VCE do not support GPUVM */ + case CHIP_KAVERI: /* UVD, VCE do not support GPUVM */ + case CHIP_KABINI: /* UVD, VCE do not support GPUVM */ + case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */ +#endif + case CHIP_TONGA: /* UVD, VCE do not support GPUVM */ + case CHIP_FIJI: /* UVD, VCE do not support GPUVM */ + case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */ + case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */ + case CHIP_RAVEN: /* DCE SG support */ + gart_size = 1024; + break; + } } else { gart_size = amdgpu_gart_size; } -- 2.30.2