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Commit 55e7e521 authored by Sinclair Yeh's avatar Sinclair Yeh Committed by Greg Kroah-Hartman
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drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue 



commit cef75036c40408ba3bc308bcb00a3d440da713fc upstream.

This is an extension of Commit 7c20d213 ("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: default avatarSinclair Yeh <syeh@vmware.com>
Reviewed-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4f027e3c

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -721,7 +721,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) 
		 * 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 =