From: Keith Packard Date: Mon, 31 Oct 2011 18:30:10 +0000 (-0700) Subject: drm/i915: Use mode_config.mutex in ironlake_panel_vdd_work X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=627f7675f0f530ea555d76543dc4e469d70a1532;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/i915: Use mode_config.mutex in ironlake_panel_vdd_work Use of the struct_mutex is not correct for locking in mode setting paths. Signed-off-by: Keith Packard --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index fc1a0832af4f..7259034b33d1 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -971,9 +971,9 @@ static void ironlake_panel_vdd_work(struct work_struct *__work) struct intel_dp, panel_vdd_work); struct drm_device *dev = intel_dp->base.base.dev; - mutex_lock(&dev->struct_mutex); + mutex_lock(&dev->mode_config.mutex); ironlake_panel_vdd_off_sync(intel_dp); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev->mode_config.mutex); } static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)