lkml.org 
[lkml]   [2022]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 5.15 456/913] drm/amd/pm: enable pm sysfs write for one VF mode
    Date
    From: Yiqing Yao <yiqing.yao@amd.com>

    [ Upstream commit e610941c45bad75aa839af015c27d236ab6749e5 ]

    [why]
    pm sysfs should be writable in one VF mode as is in passthrough

    [how]
    do not remove write access on pm sysfs if device is in one VF mode

    Fixes: 11c9cc95f818 ("amdgpu/pm: Make sysfs pm attributes as read-only for VFs")
    Signed-off-by: Yiqing Yao <yiqing.yao@amd.com>
    Reviewed-by: Monk Liu <Monk.liu@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/amd/pm/amdgpu_pm.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
    index 640db5020ccc..6aaf1230655f 100644
    --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
    +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
    @@ -2117,8 +2117,8 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
    }
    }

    - /* setting should not be allowed from VF */
    - if (amdgpu_sriov_vf(adev)) {
    + /* setting should not be allowed from VF if not in one VF mode */
    + if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
    dev_attr->attr.mode &= ~S_IWUGO;
    dev_attr->store = NULL;
    }
    --
    2.34.1


    \
     
     \ /
      Last update: 2022-04-06 00:43    [W:4.020 / U:0.084 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site