Commit 073d5eef authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/smu: add metrics table lock 

This table is used for lots of things, add it's own lock.

Bug: https://gitlab.freedesktop.org/drm/amd/issues/900


Reviewed-by: default avatarKevin Wang <kevin1.wang@amd.com>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 5d30ed3c

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

+1 −0
Original line number Diff line number Diff line
@@ -866,6 +866,7 @@ static int smu_sw_init(void *handle) 
	smu->smu_baco.platform_support = false;



	mutex_init(&smu->sensor_lock);

	mutex_init(&smu->metrics_lock);



	smu->watermarks_bitmap = 0;

	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

+1 −0
Original line number Diff line number Diff line
@@ -349,6 +349,7 @@ struct smu_context 
	const struct pptable_funcs	*ppt_funcs;

	struct mutex			mutex;

	struct mutex			sensor_lock;

	struct mutex			metrics_lock;

	uint64_t pool_size;



	struct smu_table_context	smu_table;

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