From fa7df7516e32807cfc5360f41de8c2cc34e00046 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 17 Dec 2019 09:35:01 -0500 Subject: [PATCH] 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: Kevin Wang Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 1 + drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index f76a1717ffbd..936c68298786 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -872,6 +872,7 @@ 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; diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index a7d0ad831491..541cfde289ea 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -350,6 +350,7 @@ 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; -- 2.30.2