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| author | Sergei Lopatin <magist3r@gmail.com> | 2019-06-26 14:56:59 +0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-21 09:06:43 +0200 |
| commit | ba59ac209bb8290501661280fa6d721a0e05c505 (patch) | |
| tree | 053d4f212e3f5959314709c9b92b34408d32d687 | |
| parent | a501f1473537037a38e4dae9de5b8ffa28a85efd (diff) | |
| download | linux-ba59ac209bb8290501661280fa6d721a0e05c505.tar.gz linux-ba59ac209bb8290501661280fa6d721a0e05c505.tar.bz2 linux-ba59ac209bb8290501661280fa6d721a0e05c505.zip | |
drm/amd/powerplay: force the trim of the mclk dpm_levels if OD is enabled
commit 8c7f0a44b4b4ef16df8f44fbaee6d1f5d1593c83 upstream.
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>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index f73dff68e799..2b4df0cea646 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -3804,9 +3804,12 @@ 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 |