This is a note to let you know that I've just added the patch titled drm/amdgpu: don't try to recreate sysfs entries on resume to the 4.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amdgpu-don-t-try-to-recreate-sysfs-entries-on-resume.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From c86f5ebfbd147d1a228ab89ee1658e18939bd7ad Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@xxxxxxx> Date: Fri, 23 Oct 2015 10:45:14 -0400 Subject: drm/amdgpu: don't try to recreate sysfs entries on resume From: Alex Deucher <alexander.deucher@xxxxxxx> commit c86f5ebfbd147d1a228ab89ee1658e18939bd7ad upstream. Fixes an error on resume caused by: fa022a9b65d2886486a022fd66b20c823cd76ad9 Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 5 +++++ 2 files changed, 6 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1583,6 +1583,7 @@ struct amdgpu_pm { u8 fan_max_rpm; /* dpm */ bool dpm_enabled; + bool sysfs_initialized; struct amdgpu_dpm dpm; const struct firmware *fw; /* SMC firmware */ uint32_t fw_version; --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -693,6 +693,9 @@ int amdgpu_pm_sysfs_init(struct amdgpu_d { int ret; + if (adev->pm.sysfs_initialized) + return 0; + if (adev->pm.funcs->get_temperature == NULL) return 0; adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev, @@ -721,6 +724,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_d return ret; } + adev->pm.sysfs_initialized = true; + return 0; } Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are queue-4.2/drm-radeon-move-bl-encoder-assignment-into-bl-init.patch queue-4.2/drm-amdgpu-add-missing-dpm-check-for-kv-dpm-late-init.patch queue-4.2/drm-radeon-fix-dpms-when-driver-backlight-control-is-disabled.patch queue-4.2/drm-amdgpu-don-t-try-to-recreate-sysfs-entries-on-resume.patch queue-4.2/drm-radeon-don-t-try-to-recreate-sysfs-entries-on-resume.patch queue-4.2/drm-radeon-dpm-don-t-add-pwm-attributes-if-dpm-is-disabled.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html