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path: root/drivers/gpu/drm/drm_probe_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_probe_helper.c')
-rw-r--r--drivers/gpu/drm/drm_probe_helper.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 6fd08e04b323..ef2c468205a2 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -32,14 +32,15 @@
#include <linux/export.h>
#include <linux/moduleparam.h>
-#include <drm/drmP.h>
#include <drm/drm_client.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_fb_helper.h>
#include <drm/drm_edid.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_sysfs.h>
#include "drm_crtc_helper_internal.h"
@@ -479,6 +480,13 @@ retry:
count = (*connector_funcs->get_modes)(connector);
+ /*
+ * Fallback for when DDC probe failed in drm_get_edid() and thus skipped
+ * override/firmware EDID.
+ */
+ if (count == 0 && connector->status == connector_status_connected)
+ count = drm_add_override_edid_modes(connector);
+
if (count == 0 && connector->status == connector_status_connected)
count = drm_add_modes_noedid(connector, 1024, 768);
count += drm_helper_probe_add_cmdline_mode(connector);
@@ -574,6 +582,9 @@ static void output_poll_execute(struct work_struct *work)
enum drm_connector_status old_status;
bool repoll = false, changed;
+ if (!dev->mode_config.poll_enabled)
+ return;
+
/* Pick up any changes detected by the probe functions. */
changed = dev->mode_config.delayed_event;
dev->mode_config.delayed_event = false;
@@ -728,7 +739,11 @@ EXPORT_SYMBOL(drm_kms_helper_poll_init);
*/
void drm_kms_helper_poll_fini(struct drm_device *dev)
{
- drm_kms_helper_poll_disable(dev);
+ if (!dev->mode_config.poll_enabled)
+ return;
+
+ dev->mode_config.poll_enabled = false;
+ cancel_delayed_work_sync(&dev->mode_config.output_poll_work);
}
EXPORT_SYMBOL(drm_kms_helper_poll_fini);