[PATCH xf86-video-ati] Enable HW cursor support with PRIME slave output & Xorg > 1.18.99.901

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

Supported since Xorg 1.18.99.2, but buggy until 1.18.99.901.

(Ported from amdgpu commit 7cc04035c55788261cda89a915c433c2add6cad9)

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/drmmode_display.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index a880c96..c4e21de 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -671,8 +671,9 @@ drmmode_can_use_hw_cursor(xf86CrtcPtr crtc)
 		return FALSE;
 #endif
 
-#ifdef RADEON_PIXMAP_SHARING
-	/* HW cursor not supported yet with RandR 1.4 multihead */
+#if defined(RADEON_PIXMAP_SHARING) && \
+	XORG_VERSION_CURRENT <= XORG_VERSION_NUMERIC(1,18,99,901,0)
+	/* HW cursor not supported with RandR 1.4 multihead */
 	if (!xorg_list_is_empty(&crtc->scrn->pScreen->pixmap_dirty_list))
 		return FALSE;
 #endif
-- 
2.9.3