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Commit db65e887 authored by Likun Gao's avatar Likun Gao Committed by Alex Deucher
Browse files

drm/amd/powerplay: fix pcie sysfs interface when set wrong value 



The operation of mutex_unlock smu->mutex should be done when forced
level is larger than NUM_LINK_LEVELS in the function of force_clk_levels.

Reported-by: default avatarJulia Lawall <julia.lawall@lip6.fr>
Signed-off-by: default avatarLikun Gao <Likun.Gao@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 24bf582e

drivers/gpu/drm/amd/powerplay/vega20_ppt.c

+4 −2
Original line number Diff line number Diff line
@@ -1200,8 +1200,10 @@ static int vega20_force_clk_levels(struct smu_context *smu, 


	case PP_PCIE:

		if (soft_min_level >= NUM_LINK_LEVELS ||

		    soft_max_level >= NUM_LINK_LEVELS)

			return -EINVAL;

		    soft_max_level >= NUM_LINK_LEVELS) {

			ret = -EINVAL;

			break;

		}



		ret = smu_send_smc_msg_with_param(smu,

				SMU_MSG_SetMinLinkDpmByIndex, soft_min_level);