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Commit 6a591a96 authored by Jakob Bornecrantz's avatar Jakob Bornecrantz Committed by Dave Airlie
Browse files

drm/vmwgfx: Fix single framebuffer detection. 



V2: Fix a typo.

Signed-off-by: default avatarJakob Bornecrantz <jakob@vmware.com>
Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 7e71f8a5

drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c

+3 −0
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ static int vmw_ldu_del_active(struct vmw_private *vmw_priv, 
	if (list_empty(&ldu->active))

		return 0;



	/* Must init otherwise list_empty(&ldu->active) will not work. */

	list_del_init(&ldu->active);

	if (--(ld->num_active) == 0) {

		BUG_ON(!ld->fb);
@@ -208,6 +209,8 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) 


	/* ldu only supports one fb active at the time */

	if (dev_priv->ldu_priv->fb && vfb &&

	    !(dev_priv->ldu_priv->num_active == 1 &&

	      !list_empty(&ldu->active)) &&

	    dev_priv->ldu_priv->fb != vfb) {

		DRM_ERROR("Multiple framebuffers not supported\n");

		return -EINVAL;