drm/nouveau/kms/nv50-: guard against enabling cursor on disabled heads



Userspace has started doing this, which upsets the display class hw
error checking in various unpleasant ways.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

parent b7eea2d7

drivers/gpu/drm/nouveau/nv50_display.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -979,7 +979,7 @@ nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update)
		{
		struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);

		if (show && nv_crtc->cursor.nvbo)
		if (show && nv_crtc->cursor.nvbo && nv_crtc->base.enabled)
		nv50_crtc_cursor_show(nv_crtc);
		else
		nv50_crtc_cursor_hide(nv_crtc);