From f04d333fc68c2dc2441e2ef2ca12e2fc4793a587 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 24 Nov 2015 14:32:44 -0500 Subject: [PATCH] drm/radeon: call hpd_irq_event on resume [ Upstream commit dbb17a21c131eca94eb31136eee9a7fe5aff00d9 ] Need to call this on resume if displays changes during suspend in order to properly be notified of changes. Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin --- drivers/gpu/drm/radeon/radeon_device.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 604c44d88e7a..ccab94ed9d94 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1734,6 +1734,7 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon) } drm_kms_helper_poll_enable(dev); + drm_helper_hpd_irq_event(dev); /* set the power state here in case we are a PX system or headless */ if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)