When inlining the actual hpd output probing in
commit 69787f7da6b2adc4054357a661aaa1701a9ca76f
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date: Tue Oct 23 18:23:34 2012 +0000
drm: run the hpd irq event code directly
the check for the drm_kms_hlper.poll module option was lost. This
regressed systems where this option is used to work-around output
probing issues (like irq storms). Restore the old behaviour.
Reported-by: George Amanakis <g_amanakis@xxxxxxxxx>
Cc: George Amanakis <g_amanakis@xxxxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx (for 3.8)
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/gpu/drm/drm_crtc_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 7b2d378..3260736 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -1067,7 +1067,7 @@ void drm_helper_hpd_irq_event(struct drm_device *dev)
enum drm_connector_status old_status;
bool changed = false;
- if (!dev->mode_config.poll_enabled)
+ if (!dev->mode_config.poll_enabled || !drm_kms_helper_poll)
return;
mutex_lock(&dev->mode_config.mutex);
--
1.7.10.4
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