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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>
This commit is contained in:
Zhan Liu 2019-12-16 14:56:50 -05:00 committed by Alex Deucher
parent 374bf7bd6a
commit f1e1483b27
1 changed files with 10 additions and 2 deletions
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12
drivers/gpu/drm/amd/powerplay/renoir_ppt.c
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@ -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,