From dbb17a21c131eca94eb31136eee9a7fe5aff00d9 Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@amd.com> Date: Tue, 24 Nov 2015 14:32:44 -0500 Subject: [PATCH] drm/radeon: call hpd_irq_event on resume Need to call this on resume if displays changes during suspend in order to properly be notified of changes. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org --- 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 c566993a2ec3b..d690df545b4d5 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1744,6 +1744,7 @@ 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) -- GitLab