diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3334-drm-amdgpu-enable-gfx-clock-gatings-for-navi12.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3334-drm-amdgpu-enable-gfx-clock-gatings-for-navi12.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3334-drm-amdgpu-enable-gfx-clock-gatings-for-navi12.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3334-drm-amdgpu-enable-gfx-clock-gatings-for-navi12.patch new file mode 100644 index 00000000..24ebcaaf --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3334-drm-amdgpu-enable-gfx-clock-gatings-for-navi12.patch @@ -0,0 +1,41 @@ +From 5ee32dfe61357c681bddda36ba128cc42a35c6e5 Mon Sep 17 00:00:00 2001 +From: Xiaojie Yuan <xiaojie.yuan@amd.com> +Date: Tue, 30 Jul 2019 11:28:20 +0800 +Subject: [PATCH 3334/4256] drm/amdgpu: enable gfx clock gatings for navi12 + +enables following gfx clock gating features: + +- medium grained clock gating +- medium grained light sleep +- coarse grained clock gating +- cp memory light sleep +- rlc memory light sleep + +CGLS (Coarse Grained Light Sleep) will break s3, so don't enable it. + +Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/nv.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c +index 280ae6ee6ada..056f0467419b 100644 +--- a/drivers/gpu/drm/amd/amdgpu/nv.c ++++ b/drivers/gpu/drm/amd/amdgpu/nv.c +@@ -640,7 +640,11 @@ static int nv_common_early_init(void *handle) + adev->external_rev_id = adev->rev_id + 20; + break; + case CHIP_NAVI12: +- adev->cg_flags = 0; ++ adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | ++ AMD_CG_SUPPORT_GFX_MGLS | ++ AMD_CG_SUPPORT_GFX_CGCG | ++ AMD_CG_SUPPORT_GFX_CP_LS | ++ AMD_CG_SUPPORT_GFX_RLC_LS; + adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG; + adev->external_rev_id = adev->rev_id + 0xa; + break; +-- +2.17.1 + |