From: Michel Dänzer <michel.daen...@amd.com>
The xserver Present code only calls radeon_present_flip with
sync_flip=FALSE if radeon_present_screen_init sets
PresentCapabilityAsync, and the latter only sets it if the kernel driver
advertises support for async flips.
(Ported from radeon commit 1ca677309720e2f6c953c9e76f5b34c22a4416c6)
Signed-off-by: Michel Dänzer <michel.daen...@amd.com>
---
src/amdgpu_present.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/src/amdgpu_present.c b/src/amdgpu_present.c
index e39b2d2..63ba812 100644
--- a/src/amdgpu_present.c
+++ b/src/amdgpu_present.c
@@ -233,9 +233,6 @@ amdgpu_present_check_flip(RRCrtcPtr crtc, WindowPtr window,
PixmapPtr pixmap,
if (info->hwcursor_disabled)
return FALSE;
- if (!sync_flip)
- return FALSE;
-
if (info->drmmode.dri2_flipping)
return FALSE;
@@ -312,7 +309,7 @@ amdgpu_present_flip(RRCrtcPtr crtc, uint64_t event_id,
uint64_t target_msc,
pixmap, event_id, event, crtc_id,
amdgpu_present_flip_event,
amdgpu_present_flip_abort,
- FLIP_VSYNC);
+ sync_flip ? FLIP_VSYNC : FLIP_ASYNC);
if (!ret)
xf86DrvMsg(scrn->scrnIndex, X_ERROR, "present flip failed\n");
else
--
2.8.1
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