From: Sergei Lopatin Date: Wed, 26 Jun 2019 09:56:59 +0000 (+0500) Subject: drm/amd/powerplay: force the trim of the mclk dpm_levels if OD is enabled X-Git-Tag: v5.8-rc1~194^2~15^2~107 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7adf5619ae82244446e0e9e5199d96c316f3c80d;p=thirdparty%2Fkernel%2Flinux.git drm/amd/powerplay: force the trim of the mclk dpm_levels if OD is enabled Should prevent flicker if PP_OVERDRIVE_MASK is set. bug: https://bugs.freedesktop.org/show_bug.cgi?id=102646 bug: https://bugs.freedesktop.org/show_bug.cgi?id=108941 bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1088 bug: https://gitlab.freedesktop.org/drm/amd/-/issues/628 Signed-off-by: Sergei Lopatin 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 f1d3254e61c3a..753cb2cf6b77e 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -3819,9 +3819,12 @@ static int smu7_trim_single_dpm_states(struct pp_hwmgr *hwmgr, { uint32_t i; + /* force the trim if mclk_switching is disabled to prevent flicker */ + bool force_trim = (low_limit == high_limit); for (i = 0; i < dpm_table->count; i++) { /*skip the trim if od is enabled*/ - if (!hwmgr->od_enabled && (dpm_table->dpm_levels[i].value < low_limit + if ((!hwmgr->od_enabled || force_trim) + && (dpm_table->dpm_levels[i].value < low_limit || dpm_table->dpm_levels[i].value > high_limit)) dpm_table->dpm_levels[i].enabled = false; else