From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 24 Nov 2015 19:30:56 +0000 (-0500)
Subject: drm/amdgpu: call hpd_irq_event on resume
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=54fb2a5cd0baf8e97d743de411e2f832d1afa68d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

drm/amdgpu: 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
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d5b421330145..58cb6987b078 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1788,6 +1788,7 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
 	}
 
 	drm_kms_helper_poll_enable(dev);
+	drm_helper_hpd_irq_event(dev);
 
 	if (fbcon) {
 		amdgpu_fbdev_set_suspend(adev, 0);