modesetting: move ms_do_pageflip to pageflip.c
Signed-off-by: Qiang Yu <Qiang.Yu@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Qiang Yu
Adam Jackson
parent
a586bf9ccf
commit
4f1eb7864b
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@ -54,6 +54,7 @@ modesetting_drv_la_SOURCES = \
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sh3224.c \
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sh3224.c \
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sh3224.h \
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sh3224.h \
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vblank.c \
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vblank.c \
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pageflip.c \
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$(NULL)
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$(NULL)
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drivermandir = $(DRIVER_MAN_DIR)
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drivermandir = $(DRIVER_MAN_DIR)
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@ -153,3 +153,51 @@ Bool ms_vblank_screen_init(ScreenPtr screen);
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void ms_vblank_close_screen(ScreenPtr screen);
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void ms_vblank_close_screen(ScreenPtr screen);
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Bool ms_present_screen_init(ScreenPtr screen);
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Bool ms_present_screen_init(ScreenPtr screen);
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#ifdef GLAMOR
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/*
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* Event data for an in progress flip.
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* This contains a pointer to the vblank event,
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* and information about the flip in progress.
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* a reference to this is stored in the per-crtc
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* flips.
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*/
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struct ms_flipdata {
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ScreenPtr screen;
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void *event;
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/* number of CRTC events referencing this */
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int flip_count;
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uint64_t fe_msc;
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uint64_t fe_usec;
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uint32_t old_fb_id;
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};
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/*
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* Per crtc pageflipping infomation,
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* These are submitted to the queuing code
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* one of them per crtc per flip.
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*/
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struct ms_crtc_pageflip {
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Bool on_reference_crtc;
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/* reference to the ms_flipdata */
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struct ms_flipdata *flipdata;
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};
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typedef void (*ms_pageflip_handler_proc)(uint64_t frame,
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uint64_t usec,
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void *data);
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typedef void (*ms_pageflip_abort_proc)(void *data);
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int ms_flush_drm_events(ScreenPtr screen);
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Bool ms_do_pageflip(ScreenPtr screen,
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PixmapPtr new_front,
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void *event,
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int ref_crtc_vblank_pipe,
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Bool async,
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ms_pageflip_handler_proc pageflip_handler,
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ms_pageflip_abort_proc pageflip_abort);
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#endif
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@ -0,0 +1,251 @@
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/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include "dix-config.h"
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#endif
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#include <xserver_poll.h>
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#include <xf86drm.h>
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#include "driver.h"
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#ifdef GLAMOR
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/*
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* Flush the DRM event queue when full; makes space for new events.
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*
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* Returns a negative value on error, 0 if there was nothing to process,
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* or 1 if we handled any events.
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*/
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int
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ms_flush_drm_events(ScreenPtr screen)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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modesettingPtr ms = modesettingPTR(scrn);
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struct pollfd p = { .fd = ms->fd, .events = POLLIN };
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int r;
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do {
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r = xserver_poll(&p, 1, 0);
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} while (r == -1 && (errno == EINTR || errno == EAGAIN));
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/* If there was an error, r will be < 0. Return that. If there was
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* nothing to process, r == 0. Return that.
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*/
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if (r <= 0)
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return r;
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/* Try to handle the event. If there was an error, return it. */
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r = drmHandleEvent(ms->fd, &ms->event_context);
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if (r < 0)
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return r;
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/* Otherwise return 1 to indicate that we handled an event. */
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return 1;
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}
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static Bool
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queue_flip_on_crtc(ScreenPtr screen, xf86CrtcPtr crtc,
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struct ms_flipdata *flipdata,
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int ref_crtc_vblank_pipe, uint32_t flags,
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ms_pageflip_handler_proc pageflip_handler,
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ms_pageflip_abort_proc pageflip_abort)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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modesettingPtr ms = modesettingPTR(scrn);
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drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
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struct ms_crtc_pageflip *flip;
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uint32_t seq;
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int err;
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flip = calloc(1, sizeof(struct ms_crtc_pageflip));
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if (flip == NULL) {
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xf86DrvMsg(scrn->scrnIndex, X_WARNING,
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"flip queue: carrier alloc failed.\n");
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return FALSE;
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}
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/* Only the reference crtc will finally deliver its page flip
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* completion event. All other crtc's events will be discarded.
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*/
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flip->on_reference_crtc = (drmmode_crtc->vblank_pipe == ref_crtc_vblank_pipe);
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flip->flipdata = flipdata;
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seq = ms_drm_queue_alloc(crtc, flip, pageflip_handler, pageflip_abort);
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if (!seq) {
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free(flip);
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return FALSE;
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}
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/* take a reference on flipdata for use in flip */
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flipdata->flip_count++;
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while (drmModePageFlip(ms->fd, drmmode_crtc->mode_crtc->crtc_id,
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ms->drmmode.fb_id, flags, (void *) (uintptr_t) seq)) {
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err = errno;
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/* We may have failed because the event queue was full. Flush it
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* and retry. If there was nothing to flush, then we failed for
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* some other reason and should just return an error.
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*/
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if (ms_flush_drm_events(screen) <= 0) {
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xf86DrvMsg(scrn->scrnIndex, X_WARNING,
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"flip queue failed: %s\n", strerror(err));
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/* Aborting will also decrement flip_count and free(flip). */
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ms_drm_abort_seq(scrn, seq);
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return FALSE;
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}
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/* We flushed some events, so try again. */
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xf86DrvMsg(scrn->scrnIndex, X_WARNING, "flip queue retry\n");
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}
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/* The page flip succeded. */
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return TRUE;
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}
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Bool
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ms_do_pageflip(ScreenPtr screen,
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PixmapPtr new_front,
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void *event,
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int ref_crtc_vblank_pipe,
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Bool async,
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ms_pageflip_handler_proc pageflip_handler,
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ms_pageflip_abort_proc pageflip_abort)
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{
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#ifndef GLAMOR_HAS_GBM
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return FALSE;
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#else
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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modesettingPtr ms = modesettingPTR(scrn);
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xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
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drmmode_bo new_front_bo;
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uint32_t flags;
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int i;
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struct ms_flipdata *flipdata;
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glamor_block_handler(screen);
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new_front_bo.gbm = glamor_gbm_bo_from_pixmap(screen, new_front);
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new_front_bo.dumb = NULL;
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if (!new_front_bo.gbm) {
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xf86DrvMsg(scrn->scrnIndex, X_ERROR,
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"Failed to get GBM bo for flip to new front.\n");
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return FALSE;
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}
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flipdata = calloc(1, sizeof(struct ms_flipdata));
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if (!flipdata) {
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drmmode_bo_destroy(&ms->drmmode, &new_front_bo);
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xf86DrvMsg(scrn->scrnIndex, X_ERROR,
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"Failed to allocate flipdata.\n");
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return FALSE;
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}
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flipdata->event = event;
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flipdata->screen = screen;
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/*
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* Take a local reference on flipdata.
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* if the first flip fails, the sequence abort
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* code will free the crtc flip data, and drop
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* it's reference which would cause this to be
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* freed when we still required it.
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*/
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flipdata->flip_count++;
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/* Create a new handle for the back buffer */
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flipdata->old_fb_id = ms->drmmode.fb_id;
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if (drmModeAddFB(ms->fd, scrn->virtualX, scrn->virtualY,
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scrn->depth, scrn->bitsPerPixel,
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drmmode_bo_get_pitch(&new_front_bo),
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drmmode_bo_get_handle(&new_front_bo), &ms->drmmode.fb_id)) {
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goto error_out;
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}
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drmmode_bo_destroy(&ms->drmmode, &new_front_bo);
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flags = DRM_MODE_PAGE_FLIP_EVENT;
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if (async)
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flags |= DRM_MODE_PAGE_FLIP_ASYNC;
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/* Queue flips on all enabled CRTCs.
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*
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* Note that if/when we get per-CRTC buffers, we'll have to update this.
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* Right now it assumes a single shared fb across all CRTCs, with the
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* kernel fixing up the offset of each CRTC as necessary.
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*
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* Also, flips queued on disabled or incorrectly configured displays
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* may never complete; this is a configuration error.
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*/
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for (i = 0; i < config->num_crtc; i++) {
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xf86CrtcPtr crtc = config->crtc[i];
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if (!ms_crtc_on(crtc))
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continue;
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if (!queue_flip_on_crtc(screen, crtc, flipdata,
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ref_crtc_vblank_pipe,
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flags, pageflip_handler,
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pageflip_abort)) {
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goto error_undo;
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}
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}
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/*
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* Do we have more than our local reference,
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* if so and no errors, then drop our local
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* reference and return now.
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*/
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if (flipdata->flip_count > 1) {
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flipdata->flip_count--;
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return TRUE;
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}
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error_undo:
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/*
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* Have we just got the local reference?
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* free the framebuffer if so since nobody successfully
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* submitted anything
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*/
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if (flipdata->flip_count == 1) {
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drmModeRmFB(ms->fd, ms->drmmode.fb_id);
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ms->drmmode.fb_id = flipdata->old_fb_id;
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}
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error_out:
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xf86DrvMsg(scrn->scrnIndex, X_WARNING, "Page flip failed: %s\n",
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strerror(errno));
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/* if only the local reference - free the structure,
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* else drop the local reference and return */
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if (flipdata->flip_count == 1)
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free(flipdata);
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else
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flipdata->flip_count--;
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return FALSE;
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#endif /* GLAMOR_HAS_GBM */
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}
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#endif
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@ -27,7 +27,6 @@
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#include <assert.h>
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#include <assert.h>
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#include <errno.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <xserver_poll.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdint.h>
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@ -71,40 +70,6 @@ ms_present_get_ust_msc(RRCrtcPtr crtc, CARD64 *ust, CARD64 *msc)
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return ms_get_crtc_ust_msc(xf86_crtc, ust, msc);
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return ms_get_crtc_ust_msc(xf86_crtc, ust, msc);
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}
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}
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/*
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* Flush the DRM event queue when full; makes space for new events.
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*
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* Returns a negative value on error, 0 if there was nothing to process,
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* or 1 if we handled any events.
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*/
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static int
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ms_flush_drm_events(ScreenPtr screen)
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{
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ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
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modesettingPtr ms = modesettingPTR(scrn);
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struct pollfd p = { .fd = ms->fd, .events = POLLIN };
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int r;
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do {
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r = xserver_poll(&p, 1, 0);
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} while (r == -1 && (errno == EINTR || errno == EAGAIN));
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/* If there was an error, r will be < 0. Return that. If there was
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* nothing to process, r == 0. Return that.
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*/
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if (r <= 0)
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return r;
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/* Try to handle the event. If there was an error, return it. */
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r = drmHandleEvent(ms->fd, &ms->event_context);
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if (r < 0)
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return r;
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/* Otherwise return 1 to indicate that we handled an event. */
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return 1;
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}
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/*
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/*
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* Called when the queued vblank event has occurred
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* Called when the queued vblank event has occurred
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*/
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*/
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@ -226,40 +191,6 @@ ms_present_flush(WindowPtr window)
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#ifdef GLAMOR
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#ifdef GLAMOR
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/*
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* Event data for an in progress flip.
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* This contains a pointer to the vblank event,
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* and information about the flip in progress.
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* a reference to this is stored in the per-crtc
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* flips.
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*/
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struct ms_flipdata {
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ScreenPtr screen;
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void *event;
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/* number of CRTC events referencing this */
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int flip_count;
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uint64_t fe_msc;
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uint64_t fe_usec;
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uint32_t old_fb_id;
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};
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|
||||||
/*
|
|
||||||
* Per crtc pageflipping infomation,
|
|
||||||
* These are submitted to the queuing code
|
|
||||||
* one of them per crtc per flip.
|
|
||||||
*/
|
|
||||||
struct ms_crtc_pageflip {
|
|
||||||
Bool on_reference_crtc;
|
|
||||||
/* reference to the ms_flipdata */
|
|
||||||
struct ms_flipdata *flipdata;
|
|
||||||
};
|
|
||||||
|
|
||||||
typedef void (*ms_pageflip_handler_proc)(uint64_t frame,
|
|
||||||
uint64_t usec,
|
|
||||||
void *data);
|
|
||||||
|
|
||||||
typedef void (*ms_pageflip_abort_proc)(void *data);
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Free an ms_crtc_pageflip.
|
* Free an ms_crtc_pageflip.
|
||||||
*
|
*
|
||||||
|
|
@ -334,189 +265,6 @@ ms_present_flip_abort(void *data)
|
||||||
ms_present_flip_free(flip);
|
ms_present_flip_free(flip);
|
||||||
}
|
}
|
||||||
|
|
||||||
static Bool
|
|
||||||
queue_flip_on_crtc(ScreenPtr screen, xf86CrtcPtr crtc,
|
|
||||||
struct ms_flipdata *flipdata,
|
|
||||||
int ref_crtc_vblank_pipe, uint32_t flags,
|
|
||||||
ms_pageflip_handler_proc pageflip_handler,
|
|
||||||
ms_pageflip_abort_proc pageflip_abort)
|
|
||||||
{
|
|
||||||
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
|
|
||||||
modesettingPtr ms = modesettingPTR(scrn);
|
|
||||||
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
|
|
||||||
struct ms_crtc_pageflip *flip;
|
|
||||||
uint32_t seq;
|
|
||||||
int err;
|
|
||||||
|
|
||||||
flip = calloc(1, sizeof(struct ms_crtc_pageflip));
|
|
||||||
if (flip == NULL) {
|
|
||||||
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
|
|
||||||
"flip queue: carrier alloc failed.\n");
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Only the reference crtc will finally deliver its page flip
|
|
||||||
* completion event. All other crtc's events will be discarded.
|
|
||||||
*/
|
|
||||||
flip->on_reference_crtc = (drmmode_crtc->vblank_pipe == ref_crtc_vblank_pipe);
|
|
||||||
flip->flipdata = flipdata;
|
|
||||||
|
|
||||||
seq = ms_drm_queue_alloc(crtc, flip, pageflip_handler, pageflip_abort);
|
|
||||||
if (!seq) {
|
|
||||||
free(flip);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* take a reference on flipdata for use in flip */
|
|
||||||
flipdata->flip_count++;
|
|
||||||
|
|
||||||
while (drmModePageFlip(ms->fd, drmmode_crtc->mode_crtc->crtc_id,
|
|
||||||
ms->drmmode.fb_id, flags, (void *) (uintptr_t) seq)) {
|
|
||||||
err = errno;
|
|
||||||
/* We may have failed because the event queue was full. Flush it
|
|
||||||
* and retry. If there was nothing to flush, then we failed for
|
|
||||||
* some other reason and should just return an error.
|
|
||||||
*/
|
|
||||||
if (ms_flush_drm_events(screen) <= 0) {
|
|
||||||
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
|
|
||||||
"flip queue failed: %s\n", strerror(err));
|
|
||||||
/* Aborting will also decrement flip_count and free(flip). */
|
|
||||||
ms_drm_abort_seq(scrn, seq);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* We flushed some events, so try again. */
|
|
||||||
xf86DrvMsg(scrn->scrnIndex, X_WARNING, "flip queue retry\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
/* The page flip succeded. */
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static Bool
|
|
||||||
ms_do_pageflip(ScreenPtr screen,
|
|
||||||
PixmapPtr new_front,
|
|
||||||
void *event,
|
|
||||||
int ref_crtc_vblank_pipe,
|
|
||||||
Bool async,
|
|
||||||
ms_pageflip_handler_proc pageflip_handler,
|
|
||||||
ms_pageflip_abort_proc pageflip_abort)
|
|
||||||
{
|
|
||||||
#ifndef GLAMOR_HAS_GBM
|
|
||||||
return FALSE;
|
|
||||||
#else
|
|
||||||
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
|
|
||||||
modesettingPtr ms = modesettingPTR(scrn);
|
|
||||||
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
||||||
drmmode_bo new_front_bo;
|
|
||||||
uint32_t flags;
|
|
||||||
int i;
|
|
||||||
struct ms_flipdata *flipdata;
|
|
||||||
glamor_block_handler(screen);
|
|
||||||
|
|
||||||
new_front_bo.gbm = glamor_gbm_bo_from_pixmap(screen, new_front);
|
|
||||||
new_front_bo.dumb = NULL;
|
|
||||||
if (!new_front_bo.gbm) {
|
|
||||||
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
|
|
||||||
"Failed to get GBM bo for flip to new front.\n");
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
flipdata = calloc(1, sizeof(struct ms_flipdata));
|
|
||||||
if (!flipdata) {
|
|
||||||
drmmode_bo_destroy(&ms->drmmode, &new_front_bo);
|
|
||||||
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
|
|
||||||
"Failed to allocate flipdata.\n");
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
flipdata->event = event;
|
|
||||||
flipdata->screen = screen;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Take a local reference on flipdata.
|
|
||||||
* if the first flip fails, the sequence abort
|
|
||||||
* code will free the crtc flip data, and drop
|
|
||||||
* it's reference which would cause this to be
|
|
||||||
* freed when we still required it.
|
|
||||||
*/
|
|
||||||
flipdata->flip_count++;
|
|
||||||
|
|
||||||
/* Create a new handle for the back buffer */
|
|
||||||
flipdata->old_fb_id = ms->drmmode.fb_id;
|
|
||||||
if (drmModeAddFB(ms->fd, scrn->virtualX, scrn->virtualY,
|
|
||||||
scrn->depth, scrn->bitsPerPixel,
|
|
||||||
drmmode_bo_get_pitch(&new_front_bo),
|
|
||||||
drmmode_bo_get_handle(&new_front_bo), &ms->drmmode.fb_id)) {
|
|
||||||
goto error_out;
|
|
||||||
}
|
|
||||||
|
|
||||||
drmmode_bo_destroy(&ms->drmmode, &new_front_bo);
|
|
||||||
|
|
||||||
flags = DRM_MODE_PAGE_FLIP_EVENT;
|
|
||||||
if (async)
|
|
||||||
flags |= DRM_MODE_PAGE_FLIP_ASYNC;
|
|
||||||
|
|
||||||
/* Queue flips on all enabled CRTCs.
|
|
||||||
*
|
|
||||||
* Note that if/when we get per-CRTC buffers, we'll have to update this.
|
|
||||||
* Right now it assumes a single shared fb across all CRTCs, with the
|
|
||||||
* kernel fixing up the offset of each CRTC as necessary.
|
|
||||||
*
|
|
||||||
* Also, flips queued on disabled or incorrectly configured displays
|
|
||||||
* may never complete; this is a configuration error.
|
|
||||||
*/
|
|
||||||
for (i = 0; i < config->num_crtc; i++) {
|
|
||||||
xf86CrtcPtr crtc = config->crtc[i];
|
|
||||||
|
|
||||||
if (!ms_crtc_on(crtc))
|
|
||||||
continue;
|
|
||||||
|
|
||||||
if (!queue_flip_on_crtc(screen, crtc, flipdata,
|
|
||||||
ref_crtc_vblank_pipe,
|
|
||||||
flags, pageflip_handler,
|
|
||||||
pageflip_abort)) {
|
|
||||||
goto error_undo;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Do we have more than our local reference,
|
|
||||||
* if so and no errors, then drop our local
|
|
||||||
* reference and return now.
|
|
||||||
*/
|
|
||||||
if (flipdata->flip_count > 1) {
|
|
||||||
flipdata->flip_count--;
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
error_undo:
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Have we just got the local reference?
|
|
||||||
* free the framebuffer if so since nobody successfully
|
|
||||||
* submitted anything
|
|
||||||
*/
|
|
||||||
if (flipdata->flip_count == 1) {
|
|
||||||
drmModeRmFB(ms->fd, ms->drmmode.fb_id);
|
|
||||||
ms->drmmode.fb_id = flipdata->old_fb_id;
|
|
||||||
}
|
|
||||||
|
|
||||||
error_out:
|
|
||||||
xf86DrvMsg(scrn->scrnIndex, X_WARNING, "Page flip failed: %s\n",
|
|
||||||
strerror(errno));
|
|
||||||
/* if only the local reference - free the structure,
|
|
||||||
* else drop the local reference and return */
|
|
||||||
if (flipdata->flip_count == 1)
|
|
||||||
free(flipdata);
|
|
||||||
else
|
|
||||||
flipdata->flip_count--;
|
|
||||||
|
|
||||||
return FALSE;
|
|
||||||
#endif /* GLAMOR_HAS_GBM */
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Test to see if page flipping is possible on the target crtc
|
* Test to see if page flipping is possible on the target crtc
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue