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Add radeon_drm_wait_pending_flip function

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Replacing the drmmode_crtc_wait_pending_event macro.

(Ported from amdgpu commit 6029794e8a35417faf825491a89b85f713c77fc1)
Acked-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2018-08-16 17:27:06 +02:00
committed by Michel Dänzer
parent ecdf0b7ec9
commit 93621e408c
3 changed files with 18 additions and 17 deletions
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21
src/drmmode_display.c
View File

@@ -100,13 +100,6 @@ RADEONZaphodStringMatches(ScrnInfoPtr pScrn, const char *s, char *output_name)
}
/* Wait for the boolean condition to be FALSE */
#define drmmode_crtc_wait_pending_event(drmmode_crtc, fd, condition) \
do {} while ((condition) && \
drmHandleEvent(fd, &drmmode_crtc->drmmode->event_context) \
> 0);
static PixmapPtr drmmode_create_bo_pixmap(ScrnInfoPtr pScrn,
int width, int height,
int depth, int bpp,
@@ -306,8 +299,7 @@ drmmode_do_crtc_dpms(xf86CrtcPtr crtc, int mode)
if (drmmode_crtc->dpms_mode == DPMSModeOn && mode != DPMSModeOn) {
uint32_t seq;
drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
drmmode_crtc->flip_pending);
radeon_drm_wait_pending_flip(crtc);
/*
* On->Off transition: record the last vblank time,
@@ -918,8 +910,7 @@ drmmode_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
goto done;
}
drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
drmmode_crtc->flip_pending);
radeon_drm_wait_pending_flip(crtc);
if (!drmmode_set_mode(crtc, fb, mode, x, y))
goto done;
@@ -1772,14 +1763,11 @@ drmmode_output_set_tear_free(RADEONEntPtr pRADEONEnt,
drmmode_output->tear_free = tear_free;
if (crtc) {
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
/* Wait for pending flips before drmmode_set_mode_major calls
* drmmode_crtc_update_tear_free, to prevent a nested
* drmHandleEvent call, which would hang
*/
drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
drmmode_crtc->flip_pending);
radeon_drm_wait_pending_flip(crtc);
drmmode_set_mode_major(crtc, &crtc->mode, crtc->rotation,
crtc->x, crtc->y);
}
@@ -3370,8 +3358,7 @@ Bool radeon_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
radeon_cs_flush_indirect(crtc->scrn);
if (drmmode_crtc->scanout_update_pending) {
drmmode_crtc_wait_pending_event(drmmode_crtc, pRADEONEnt->fd,
drmmode_crtc->flip_pending);
radeon_drm_wait_pending_flip(crtc);
radeon_drm_abort_entry(drmmode_crtc->scanout_update_pending);
drmmode_crtc->scanout_update_pending = 0;
}

13
src/radeon_drm_queue.c
View File

@@ -177,6 +177,19 @@ radeon_drm_abort_id(uint64_t id)
}
}
/*
* Wait for pending page flip on given CRTC to complete
*/
void radeon_drm_wait_pending_flip(xf86CrtcPtr crtc)
{
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
RADEONEntPtr pRADEONEnt = RADEONEntPriv(crtc->scrn);
drmmode_ptr drmmode = drmmode_crtc->drmmode;
while (drmmode_crtc->flip_pending &&
drmHandleEvent(pRADEONEnt->fd, &drmmode->event_context) > 0);
}
/*
* Initialize the DRM event queue
*/

1
src/radeon_drm_queue.h
View File

@@ -47,6 +47,7 @@ uintptr_t radeon_drm_queue_alloc(xf86CrtcPtr crtc, ClientPtr client,
void radeon_drm_abort_client(ClientPtr client);
void radeon_drm_abort_entry(uintptr_t seq);
void radeon_drm_abort_id(uint64_t id);
void radeon_drm_wait_pending_flip(xf86CrtcPtr crtc);
void radeon_drm_queue_init(ScrnInfoPtr scrn);
void radeon_drm_queue_close(ScrnInfoPtr scrn);