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authorDeepak Rawat <drawat@vmware.com>2018-05-15 15:39:09 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-30 08:17:45 +0200
commit8ade5e15bfd265e9a9afc43e0508070b67eab00f (patch)
tree2b630b440bfd32a5f1ee8bd1a6000382e703ee0a
parentac67ce3d0181ab3714b7bfb6507a9e825447f709 (diff)
drm/vmwgfx: Set dmabuf_size when vmw_dmabuf_init is successful
commit 91ba9f28a3de97761c2b5fd5df5d88421268e507 upstream. SOU primary plane prepare_fb hook depends upon dmabuf_size to pin up BO (and not call a new vmw_dmabuf_init) when a new fb size is same as current fb. This was changed in a recent commit which is causing page_flip to fail on VM with low display memory and multi-mon failure when cycle monitors from secondary display. Cc: <stable@vger.kernel.org> # 4.14, 4.16 Fixes: 20fb5a635a0c ("drm/vmwgfx: Unpin the screen object backup buffer when not used") Signed-off-by: Deepak Rawat <drawat@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index 27ebd80749d6..f9413c0199f0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -530,6 +530,8 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
return ret;
}
+ vps->dmabuf_size = size;
+
/*
* TTM already thinks the buffer is pinned, but make sure the
* pin_count is upped.