From: Rex Zhu Date: Thu, 8 Feb 2018 07:57:10 +0000 (+0800) Subject: drm/amdgpu: Add query vram width in CGS query system info X-Git-Tag: v4.17-rc1~185^2~18^2~134 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=eda9a4eb15e89e4d452ae8dbdc7fd6868c79c605;p=linux.git drm/amdgpu: Add query vram width in CGS query system info powerplay need vram width to set default mclk optimization settings(uphyst/downhyst/activity threshold) Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index dc3360b16bda..72c9a7e2c373 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -905,6 +905,9 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device, case CGS_SYSTEM_INFO_PCIE_BUS_DEVFN: sys_info->value = adev->pdev->devfn; break; + case CGS_SYSTEM_INFO_VRAM_WIDTH: + sys_info->value = adev->gmc.vram_width; + break; default: return -ENODEV; } diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index f5c73970ab88..98cf4cebff17 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -101,6 +101,7 @@ enum cgs_system_info_id { CGS_SYSTEM_INFO_PCIE_SUB_SYS_ID, CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID, CGS_SYSTEM_INFO_PCIE_BUS_DEVFN, + CGS_SYSTEM_INFO_VRAM_WIDTH, CGS_SYSTEM_INFO_ID_MAXIMUM, };