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

Signed-off-by: Sergei Lopatin <[email protected]>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c 
b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 16591be8b0ca..f5dedb7ad48d 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3790,9 +3790,12 @@ 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
-- 
2.21.0

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