Commit f1e1483b authored Dec 16, 2019 by Zhan Liu Committed by Alex Deucher Dec 18, 2019

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>

parent 374bf7bd

drivers/gpu/drm/amd/powerplay/renoir_ppt.c

+10 −2

Original line number	Diff line number	Diff line
		@@ -777,10 +777,18 @@ static int renoir_set_watermarks_table(
		}

		/* pass data to smu controller */
		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 0;
		}

		static int renoir_get_power_profile_mode(struct smu_context *smu,
		char *buf)

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