Commit 06f75d54 authored Nov 14, 2019 by Evan Quan Committed by Alex Deucher Nov 22, 2019

drm/amd/powerplay: correct fine grained dpm force level setting



For fine grained dpm, there is only two levels supported. However
to reflect correctly the current clock frequency, there is an
intermediate level faked. Thus on forcing level setting, we
need to treat level 2 correctly as level 1.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 1ac38dbf

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -859,6 +859,12 @@ static int navi10_force_clk_levels(struct smu_context *smu,
		case SMU_UCLK:
		case SMU_DCEFCLK:
		case SMU_FCLK:
		/* There is only 2 levels for fine grained DPM */
		if (navi10_is_support_fine_grained_dpm(smu, clk_type)) {
		soft_max_level = (soft_max_level >= 1 ? 1 : 0);
		soft_min_level = (soft_min_level >= 1 ? 1 : 0);
		}

		ret = smu_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq);
		if (ret)
		return size;

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