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| author | Alex Deucher <alexander.deucher@amd.com> | 2021-01-22 00:39:59 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-07-01 07:24:39 +0300 |
| commit | 6963d6c176fe36c775996cfd6886d4c4234ccd9e (patch) | |
| tree | c7475b52fca95bb7ff40cc622cb8a7ab4877fa3f /drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h | |
| parent | 93c5bcd4eaaafd7c25c062089806c86d9b7890dd (diff) | |
| download | linux-6963d6c176fe36c775996cfd6886d4c4234ccd9e.tar.xz | |
drm/amdgpu: add a mutex for the smu11 i2c bus (v2)
So we lock software as well as hardware access to the bus.
v2: fix mutex handling.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h index f6e0e7d8a007..d03e6fa2bf1a 100644 --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h @@ -450,6 +450,7 @@ struct amdgpu_pm { /* Used for I2C access to various EEPROMs on relevant ASICs */ struct i2c_adapter smu_i2c; + struct mutex smu_i2c_mutex; struct list_head pm_attr_list; }; |