diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2175-drm-amdgpu-add-new-HDP-CG-flags.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2175-drm-amdgpu-add-new-HDP-CG-flags.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2175-drm-amdgpu-add-new-HDP-CG-flags.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2175-drm-amdgpu-add-new-HDP-CG-flags.patch new file mode 100644 index 00000000..efc066da --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2175-drm-amdgpu-add-new-HDP-CG-flags.patch @@ -0,0 +1,35 @@ +From b9584bd1231a034bd6b6d477b825987de26091b3 Mon Sep 17 00:00:00 2001 +From: Hawking Zhang <Hawking.Zhang@amd.com> +Date: Wed, 29 Aug 2018 21:18:19 +0800 +Subject: [PATCH 2175/2940] drm/amdgpu: add new HDP CG flags + +HDP 5.0 supports SRAM power gating. all the LS (Light Sleep)/ +DS (Deep Sleep)/SD (Shut Down) modes are supported. However, +only one of these modes can be enabled at one time. + +There is no dynamic power mode switch support. clock/power gating +has to be disabled before making any power mode change. + +Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/include/amd_shared.h | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h +index 574bf6e70763..abf0454b1a9d 100644 +--- a/drivers/gpu/drm/amd/include/amd_shared.h ++++ b/drivers/gpu/drm/amd/include/amd_shared.h +@@ -93,6 +93,8 @@ enum amd_powergating_state { + #define AMD_CG_SUPPORT_DRM_MGCG (1 << 22) + #define AMD_CG_SUPPORT_DF_MGCG (1 << 23) + #define AMD_CG_SUPPORT_VCN_MGCG (1 << 24) ++#define AMD_CG_SUPPORT_HDP_DS (1 << 25) ++#define AMD_CG_SUPPORT_HDP_SD (1 << 26) + /* PG flags */ + #define AMD_PG_SUPPORT_GFX_PG (1 << 0) + #define AMD_PG_SUPPORT_GFX_SMG (1 << 1) +-- +2.17.1 + |