diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3559-drm-amdgpu-powerplay-smu7-enable-mclk-switching-if-m.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3559-drm-amdgpu-powerplay-smu7-enable-mclk-switching-if-m.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3559-drm-amdgpu-powerplay-smu7-enable-mclk-switching-if-m.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3559-drm-amdgpu-powerplay-smu7-enable-mclk-switching-if-m.patch new file mode 100644 index 00000000..07f8418b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3559-drm-amdgpu-powerplay-smu7-enable-mclk-switching-if-m.patch @@ -0,0 +1,36 @@ +From 79bc28dea98505da9aaaf4f0e9bb8303fa0848af Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 8 Aug 2019 00:47:49 -0500 +Subject: [PATCH 3559/4256] drm/amdgpu/powerplay/smu7: enable mclk switching if + monitors are synced + +If DC has synced the displays, we can enable mclk switching to +save power. + +Reviewed-by: Evan Quan <evan.quan@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 7 ++++--- + 1 file changed, 4 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +index b468f634ffa1..25e68f245dba 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +@@ -2955,9 +2955,10 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, + if (hwmgr->display_config->num_display == 0) + disable_mclk_switching = false; + else +- disable_mclk_switching = ((1 < hwmgr->display_config->num_display) || +- disable_mclk_switching_for_frame_lock || +- smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time)); ++ disable_mclk_switching = ((1 < hwmgr->display_config->num_display) && ++ !hwmgr->display_config->multi_monitor_in_sync) || ++ disable_mclk_switching_for_frame_lock || ++ smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time); + + sclk = smu7_ps->performance_levels[0].engine_clock; + mclk = smu7_ps->performance_levels[0].memory_clock; +-- +2.17.1 + |