Patch "drm/amdgpu/si: fix crash on headless asics" has been added to the 4.9-stable tree

This is a note to let you know that I've just added the patch titled

drm/amdgpu/si: fix crash on headless asics

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
drm-amdgpu-si-fix-crash-on-headless-asics.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Alex Deucher <[email protected]>
Date: Fri, 27 Jan 2017 10:31:52 -0500
Subject: drm/amdgpu/si: fix crash on headless asics
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From: Alex Deucher <[email protected]>

commit 57bcd0a6364cd4eaa362d7ff1777e88ddf501602 upstream.

Missing check for crtcs present.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=193341
https://bugs.freedesktop.org/show_bug.cgi?id=99387

---
 drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

@@ -227,6 +227,9 @@ static void gmc_v6_0_mc_program(struct a
 	}
 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
 
+	if (adev->mode_info.num_crtc)
+		amdgpu_display_set_vga_render_state(adev, false);
+
 	gmc_v6_0_mc_stop(adev, &save);
 
 	if (gmc_v6_0_wait_for_idle((void *)adev)) {

@@ -256,7 +259,6 @@ static void gmc_v6_0_mc_program(struct a
 		dev_warn(adev->dev, "Wait for MC idle timedout !\n");
 	}
 	gmc_v6_0_mc_resume(adev, &save);
-	amdgpu_display_set_vga_render_state(adev, false);
 }
 
 static int gmc_v6_0_mc_init(struct amdgpu_device *adev)

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/drm-amdgpu-si-fix-crash-on-headless-asics.patch