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[PATCH 4.4 173/342] drm/amdgpu: call hpd_irq_event on resume

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 4.4 173/342] drm/amdgpu: call hpd_irq_event on resume
Date 2016-03-02 02:00 +0100
Message-ID <r83iW-8oR-17@gated-at.bofh.it> (permalink)
References <r82mS-7Ml-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@amd.com>

commit 54fb2a5cd0baf8e97d743de411e2f832d1afa68d upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |    1 +
 1 file changed, 1 insertion(+)

--- 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
 	}
 
 	drm_kms_helper_poll_enable(dev);
+	drm_helper_hpd_irq_event(dev);
 
 	if (fbcon) {
 		amdgpu_fbdev_set_suspend(adev, 0);

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[PATCH 4.4 173/342] drm/amdgpu: call hpd_irq_event on resume Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-02 02:00 +0100

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