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 <magist3r@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sergei Lopatin 2019-06-26 14:56:59 +05:00 committed by Alex Deucher
parent f9135b086b
commit 7adf5619ae

View File

@ -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