[PATCH xf86-video-ati] Use correct FB handle in radeon_do_pageflip

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From: Michel Dänzer <michel.daenzer@xxxxxxx>

We were always using the handle of the client provided FB, which
prevented RandR transforms from working, and could result in a black
screen.

Fixes: 740f0850f1e4 "Store FB for each CRTC in drmmode_flipdata_rec"
(Ported from amdgpu commit f6cd72e64e85896b6d155bee0930e59771dcb701)

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/drmmode_display.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index 0b92b70c6..68d6254d7 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -3386,7 +3386,7 @@ Bool radeon_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
 		if (crtc == ref_crtc) {
 			if (drmmode_page_flip_target_absolute(pRADEONEnt,
 							      drmmode_crtc,
-							      fb->handle,
+							      flipdata->fb[i]->handle,
 							      flip_flags,
 							      drm_queue_seq,
 							      target_msc) != 0)
@@ -3394,7 +3394,7 @@ Bool radeon_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
 		} else {
 			if (drmmode_page_flip_target_relative(pRADEONEnt,
 							      drmmode_crtc,
-							      fb->handle,
+							      flipdata->fb[i]->handle,
 							      flip_flags,
 							      drm_queue_seq, 0) != 0)
 				goto flip_error;
-- 
2.18.0



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