diff options
| author | Zhan Liu <zhan.liu@amd.com> | 2019-12-16 14:56:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-12-18 16:09:11 -0500 |
| commit | f1e1483b279cd048ff9b06f3597c5e2b774b2136 (patch) | |
| tree | 086a190297aeac479c9b2a1fcd9c8c7f8936deb8 /drivers/gpu/drm/amd/powerplay | |
| parent | 374bf7bd6ae43ea7f78b6ce254114adb9463526f (diff) | |
drm/amd/powerplay: Add SMU WMTABLE Validity Check for Renoir
[Why]
SMU watermark table (WMTABLE) validity check is missing on Renoir.
This validity check is very useful for checking whether
WMTABLE is updated successfully.
[How]
Add SMU watermark validity check.
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index 89a54f8e08d3..81520b0fca68 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -777,9 +777,17 @@ static int renoir_set_watermarks_table( } /* pass data to smu controller */ - ret = smu_write_watermarks_table(smu); + if ((smu->watermarks_bitmap & WATERMARKS_EXIST) && + !(smu->watermarks_bitmap & WATERMARKS_LOADED)) { + ret = smu_write_watermarks_table(smu); + if (ret) { + pr_err("Failed to update WMTABLE!"); + return ret; + } + smu->watermarks_bitmap |= WATERMARKS_LOADED; + } - return ret; + return 0; } static int renoir_get_power_profile_mode(struct smu_context *smu, |