diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0954-drm-amd-powerplay-Disable-Spread-Spectrum-on-DPM-0-o.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0954-drm-amd-powerplay-Disable-Spread-Spectrum-on-DPM-0-o.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0954-drm-amd-powerplay-Disable-Spread-Spectrum-on-DPM-0-o.patch b/common/recipes-kernel/linux/files/0954-drm-amd-powerplay-Disable-Spread-Spectrum-on-DPM-0-o.patch new file mode 100644 index 00000000..4798109b --- /dev/null +++ b/common/recipes-kernel/linux/files/0954-drm-amd-powerplay-Disable-Spread-Spectrum-on-DPM-0-o.patch @@ -0,0 +1,53 @@ +From e2cb039fb1234388e2c77ef78e353fce4a1df100 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Tue, 22 Mar 2016 14:21:18 +0800 +Subject: [PATCH 0954/1110] drm/amd/powerplay: Disable Spread Spectrum on DPM 0 + on baffin as SPLL Shut Down feature is enabled. + +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +Acked-by: Flora Cui <Flora.Cui@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 6 ++++++ + drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h | 1 + + 2 files changed, 7 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c +index b77d7aa..715bc3d 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c +@@ -1248,6 +1248,9 @@ static int polaris10_populate_all_graphic_levels(struct pp_hwmgr *hwmgr) + if (i > 1) + levels[i].DeepSleepDivId = 0; + } ++ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, ++ PHM_PlatformCaps_SPLLShutdownSupport)) ++ data->smc_state_table.GraphicsLevel[0].SclkSetting.SSc_En = 0; + + data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1; + data->smc_state_table.GraphicsDpmLevelCount = +@@ -2602,6 +2605,9 @@ int polaris10_set_features_platform_caps(struct pp_hwmgr *hwmgr) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TCPRamping); + ++ if (hwmgr->chip_id == CHIP_POLARIS11) ++ phm_cap_set(hwmgr->platform_descriptor.platformCaps, ++ PHM_PlatformCaps_SPLLShutdownSupport); + return 0; + } + +diff --git a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h +index 040d3f7..56f712c 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h +@@ -211,6 +211,7 @@ enum phm_platform_caps { + PHM_PlatformCaps_ClockStretcher, + PHM_PlatformCaps_TablelessHardwareInterface, + PHM_PlatformCaps_EnableDriverEVV, ++ PHM_PlatformCaps_SPLLShutdownSupport, + PHM_PlatformCaps_Max + }; + +-- +2.7.4 + |