From: Sinclair Yeh Date: Wed, 1 Nov 2017 17:47:05 +0000 (-0700) Subject: drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=cef75036c40408ba3bc308bcb00a3d440da713fc;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue 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 Reviewed-by: Thomas Hellstrom Cc: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index e84fee3ec4f3..184340d486c3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -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 =