diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2387-drm-amd-powerplay-remove-smu-mutex-lock-in-smu_hw_in.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2387-drm-amd-powerplay-remove-smu-mutex-lock-in-smu_hw_in.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2387-drm-amd-powerplay-remove-smu-mutex-lock-in-smu_hw_in.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2387-drm-amd-powerplay-remove-smu-mutex-lock-in-smu_hw_in.patch new file mode 100644 index 00000000..c29f5777 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2387-drm-amd-powerplay-remove-smu-mutex-lock-in-smu_hw_in.patch @@ -0,0 +1,40 @@ +From 29d04ed11f2115232e3c21cb2b11c6a2d5788529 Mon Sep 17 00:00:00 2001 +From: Kevin Wang <kevin1.wang@amd.com> +Date: Tue, 4 Jun 2019 17:41:48 +0800 +Subject: [PATCH 2387/2940] drm/amd/powerplay: remove smu mutex lock in + smu_hw_init + +the smu mutex lock is unnecessary in smu hw init. + +Signed-off-by: Kevin Wang <kevin1.wang@amd.com> +Reviewed-by: Evan Quan <evan.quan@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 4 ---- + 1 file changed, 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +index 421e1df79ae5..ad8f6dd7713d 100644 +--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c ++++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +@@ -981,8 +981,6 @@ static int smu_hw_init(void *handle) + } + } + +- mutex_lock(&smu->mutex); +- + ret = smu_feature_init_dpm(smu); + if (ret) + goto failed; +@@ -1011,8 +1009,6 @@ static int smu_hw_init(void *handle) + if (ret) + goto failed; + +- mutex_unlock(&smu->mutex); +- + if (!smu->pm_enabled) + adev->pm.dpm_enabled = false; + else +-- +2.17.1 + |