From: Alex Deucher Date: Fri, 30 Nov 2018 00:20:28 +0000 (-0500) Subject: drm/amdgpu/powerplay: fix mclk switch limit on polaris X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=7d98e1e7ee9c8a083936547eadc2b0e46d43cb96;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu/powerplay: fix mclk switch limit on polaris Update switch limit on newer polaris variants. This may fix flickering with high refresh rates with mclk switching enabled. Reviewed-by: Junwei Zhang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 66e3d0177235..6bfbfd37ed92 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -2859,7 +2859,10 @@ static int smu7_vblank_too_short(struct pp_hwmgr *hwmgr, case CHIP_POLARIS10: case CHIP_POLARIS11: case CHIP_POLARIS12: - switch_limit_us = data->is_memory_gddr5 ? 190 : 150; + if (hwmgr->is_kicker) + switch_limit_us = data->is_memory_gddr5 ? 450 : 150; + else + switch_limit_us = data->is_memory_gddr5 ? 190 : 150; break; case CHIP_VEGAM: switch_limit_us = 30;