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

drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue

to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: drm-vmwgfx-fix-ubuntu-17.10-wayland-black-screen-issue.patch and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From cef75036c40408ba3bc308bcb00a3d440da713fc Mon Sep 17 00:00:00 2001

From: Sinclair Yeh syeh@vmware.com Date: Wed, 1 Nov 2017 10:47:05 -0700 Subject: drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue

From: Sinclair Yeh syeh@vmware.com

commit cef75036c40408ba3bc308bcb00a3d440da713fc upstream.

This is an extension of Commit 7c20d213dd3c ("drm/vmwgfx: Work around mode set failure in 2D VMs")

With Wayland desktop and atomic mode set, during the mode setting process there is a moment when two framebuffer sized surfaces are being pinned. This was not an issue with Xorg.

Since this only happens during a mode change, there should be no performance impact by increasing allowable mem_size.

Signed-off-by: Sinclair Yeh syeh@vmware.com Reviewed-by: Thomas Hellstrom thellstrom@vmware.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -708,7 +708,7 @@ static int vmw_driver_load(struct drm_de * allocation taken by fbdev */ if (!(dev_priv->capabilities & SVGA_CAP_3D)) - mem_size *= 2; + mem_size *= 3;

dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE; dev_priv->prim_bb_mem =

Patches currently in stable-queue which might be from syeh@vmware.com are

queue-4.4/drm-vmwgfx-fix-ubuntu-17.10-wayland-black-screen-issue.patch