diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0209-drm-amdgpu-take-the-mode_config-mutex-when-handling-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0209-drm-amdgpu-take-the-mode_config-mutex-when-handling-.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0209-drm-amdgpu-take-the-mode_config-mutex-when-handling-.patch b/common/recipes-kernel/linux/files/0209-drm-amdgpu-take-the-mode_config-mutex-when-handling-.patch new file mode 100644 index 00000000..f4bbe496 --- /dev/null +++ b/common/recipes-kernel/linux/files/0209-drm-amdgpu-take-the-mode_config-mutex-when-handling-.patch @@ -0,0 +1,37 @@ +From 9e14c65c5715b16bcbf5d5c64de2bb8a973a0afa Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Fri, 15 May 2015 11:52:18 -0400 +Subject: [PATCH 0209/1050] drm/amdgpu: take the mode_config mutex when + handling hpds +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Since we may modify display state. + +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +index 2187960..b4d36f0 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +@@ -59,10 +59,12 @@ static void amdgpu_hotplug_work_func(struct work_struct *work) + struct drm_mode_config *mode_config = &dev->mode_config; + struct drm_connector *connector; + ++ mutex_lock(&mode_config->mutex); + if (mode_config->num_connector) { + list_for_each_entry(connector, &mode_config->connector_list, head) + amdgpu_connector_hotplug(connector); + } ++ mutex_unlock(&mode_config->mutex); + /* Just fire off a uevent and let userspace tell us what to do */ + drm_helper_hpd_irq_event(dev); + } +-- +1.9.1 + |