diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0203-drm-amdgpu-cz-plumb-pg-flags-through-to-powerplay.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0203-drm-amdgpu-cz-plumb-pg-flags-through-to-powerplay.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0203-drm-amdgpu-cz-plumb-pg-flags-through-to-powerplay.patch b/common/recipes-kernel/linux/files/0203-drm-amdgpu-cz-plumb-pg-flags-through-to-powerplay.patch new file mode 100644 index 00000000..1d5f771b --- /dev/null +++ b/common/recipes-kernel/linux/files/0203-drm-amdgpu-cz-plumb-pg-flags-through-to-powerplay.patch @@ -0,0 +1,47 @@ +From 4c4ba1ed5bccd255e238a718626f9a744dfbd70c Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Fri, 5 Feb 2016 11:23:28 -0500 +Subject: [PATCH 0203/1110] drm/amdgpu/cz: plumb pg flags through to powerplay + +Enable vce and uvd pg based on single set of pg flags. + +Reviewed-by: Eric Huang <JinHuiEric.Huang@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 13 +++++++++++++ + 1 file changed, 13 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c +index 80af87f..cf01177 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c +@@ -174,6 +174,8 @@ static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) + { + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + uint32_t i; ++ struct cgs_system_info sys_info = {0}; ++ int result; + + cz_hwmgr->gfx_ramp_step = 256*25/100; + +@@ -251,6 +253,17 @@ static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) + PHM_PlatformCaps_UVDPowerGating); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating); ++ sys_info.size = sizeof(struct cgs_system_info); ++ sys_info.info_id = CGS_SYSTEM_INFO_PG_FLAGS; ++ result = cgs_query_system_info(hwmgr->device, &sys_info); ++ if (!result) { ++ if (sys_info.value & AMD_PG_SUPPORT_UVD) ++ phm_cap_set(hwmgr->platform_descriptor.platformCaps, ++ PHM_PlatformCaps_UVDPowerGating); ++ if (sys_info.value & AMD_PG_SUPPORT_VCE) ++ phm_cap_set(hwmgr->platform_descriptor.platformCaps, ++ PHM_PlatformCaps_VCEPowerGating); ++ } + + return 0; + } +-- +2.7.4 + |