[1/3] drm/amd/powerplay: remove mutex lock for smu_handle_task when smu late init

Submitted by Evan Quan on July 18, 2019, 10:35 a.m.

Details

Message ID MN2PR12MB3344F0DFB162D49F9BDD19CCE4C80@MN2PR12MB3344.namprd12.prod.outlook.com
State New
Headers show
Series "Series without cover letter" ( rev: 2 ) in AMD X.Org drivers

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Commit Message

Evan Quan July 18, 2019, 10:35 a.m.
please hold on the mutex changes of patch1 and patch3. We need an overall thought over the smu mutex machinsim. Let us have some internal discussions first.

________________________________
发件人: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> 代表 Chengming Gui <Jack.Gui@amd.com>
发送时间: Thursday, July 18, 2019 6:02:16 PM
收件人: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
抄送: Gui, Jack <Jack.Gui@amd.com>
主题: [PATCH 1/3] drm/amd/powerplay: remove mutex lock for smu_handle_task when smu late init

remove mutex lock when smu late init to call smu_handle_task

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>

---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 --
 1 file changed, 2 deletions(-)

--
2.7.4

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diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 7d1bd09..122985c 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -569,11 +569,9 @@  static int smu_late_init(void *handle)

         if (!smu->pm_enabled)
                 return 0;
-       mutex_lock(&smu->mutex);
         smu_handle_task(&adev->smu,
                         smu->smu_dpm.dpm_level,
                         AMD_PP_TASK_COMPLETE_INIT);
-       mutex_unlock(&smu->mutex);

         return 0;
 }