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backend/drm: don't set vsync present flag if page flip was async

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(cherry picked from commit 08495d2596)
This commit is contained in:
Isaac Freund 2024-08-10 13:27:05 +02:00 • committed by Simon Zeni
parent b4bec0cd3a
commit 89e1ea130d
2 changed files with 7 additions and 2 deletions
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7
backend/drm/drm.c
View file

@ -608,6 +608,7 @@ static bool drm_commit(struct wlr_drm_backend *drm,
if (page_flip == NULL) {
return false;
}
page_flip->async = (flags & DRM_MODE_PAGE_FLIP_ASYNC);
}
bool ok = drm->iface->commit(drm, state, page_flip, flags, test_only);
@ -2039,8 +2040,10 @@ static void handle_page_flip(int fd, unsigned seq,
drm_fb_move(&layer->current_fb, &layer->queued_fb);
}
uint32_t present_flags = WLR_OUTPUT_PRESENT_VSYNC |
WLR_OUTPUT_PRESENT_HW_CLOCK | WLR_OUTPUT_PRESENT_HW_COMPLETION;
uint32_t present_flags = WLR_OUTPUT_PRESENT_HW_CLOCK | WLR_OUTPUT_PRESENT_HW_COMPLETION;
if (!page_flip->async) {
present_flags |= WLR_OUTPUT_PRESENT_VSYNC;
}
/* Don't report ZERO_COPY in multi-gpu situations, because we had to copy
* data between the GPUs, even if we were using the direct scanout
* interface.

2
include/backend/drm/drm.h
View file

@ -164,6 +164,8 @@ struct wlr_drm_page_flip {
struct wl_list link; // wlr_drm_connector.page_flips
struct wlr_drm_page_flip_connector *connectors;
size_t connectors_len;
// True if DRM_MODE_PAGE_FLIP_ASYNC was set
bool async;
};
struct wlr_drm_page_flip_connector {