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drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue

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This is an extension of Commit 7c20d213dd ("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>

Cc: stable@vger.kernel.org
This commit is contained in:
Sinclair Yeh 2017-11-01 10:47:05 -07:00
parent ef217b1f08
commit cef75036c4
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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@ -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 =