From 0eebaf98d0550a9ea7adb743a5b85634f1d76b73 Mon Sep 17 00:00:00 2001 From: emersion Date: Mon, 15 Jan 2018 21:49:37 +0100 Subject: drm: do not pageflip when enabling output --- backend/drm/atomic.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) (limited to 'backend/drm') diff --git a/backend/drm/atomic.c b/backend/drm/atomic.c index 8d98bac2..3e8866ad 100644 --- a/backend/drm/atomic.c +++ b/backend/drm/atomic.c @@ -33,7 +33,6 @@ static bool atomic_end(int drm_fd, struct atomic *atom) { } uint32_t flags = DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_NONBLOCK; - if (drmModeAtomicCommit(drm_fd, atom->req, flags, NULL)) { wlr_log_errno(L_ERROR, "Atomic test failed"); drmModeAtomicSetCursor(atom->req, atom->cursor); @@ -44,13 +43,11 @@ static bool atomic_end(int drm_fd, struct atomic *atom) { } static bool atomic_commit(int drm_fd, struct atomic *atom, - struct wlr_drm_connector *conn, uint32_t flag, bool modeset) { + struct wlr_drm_connector *conn, uint32_t flags, bool modeset) { if (atom->failed) { return false; } - uint32_t flags = DRM_MODE_PAGE_FLIP_EVENT | flag; - int ret = drmModeAtomicCommit(drm_fd, atom->req, flags, conn); if (ret) { wlr_log_errno(L_ERROR, "%s: Atomic commit failed (%s)", @@ -59,7 +56,8 @@ static bool atomic_commit(int drm_fd, struct atomic *atom, // Try to commit without new changes drmModeAtomicSetCursor(atom->req, atom->cursor); if (drmModeAtomicCommit(drm_fd, atom->req, flags, conn)) { - wlr_log_errno(L_ERROR, "%s: Atomic commit failed (%s)", + wlr_log_errno(L_ERROR, + "%s: Atomic commit without new changes failed (%s)", conn->output.name, modeset ? "modeset" : "pageflip"); } } @@ -100,8 +98,8 @@ static bool atomic_crtc_pageflip(struct wlr_drm_backend *drm, struct wlr_drm_connector *conn, struct wlr_drm_crtc *crtc, uint32_t fb_id, drmModeModeInfo *mode) { - if (mode) { - if (crtc->mode_id) { + if (mode != NULL) { + if (crtc->mode_id != 0) { drmModeDestroyPropertyBlob(drm->fd, crtc->mode_id); } @@ -111,16 +109,20 @@ static bool atomic_crtc_pageflip(struct wlr_drm_backend *drm, } } - struct atomic atom; + uint32_t flags = DRM_MODE_PAGE_FLIP_EVENT; + if (mode != NULL) { + flags |= DRM_MODE_ATOMIC_ALLOW_MODESET; + } else { + flags |= DRM_MODE_ATOMIC_NONBLOCK; + } + struct atomic atom; atomic_begin(crtc, &atom); atomic_add(&atom, conn->id, conn->props.crtc_id, crtc->id); atomic_add(&atom, crtc->id, crtc->props.mode_id, crtc->mode_id); atomic_add(&atom, crtc->id, crtc->props.active, 1); set_plane_props(&atom, crtc->primary, crtc->id, fb_id, true); - return atomic_commit(drm->fd, &atom, conn, - mode ? DRM_MODE_ATOMIC_ALLOW_MODESET : DRM_MODE_ATOMIC_NONBLOCK, - mode); + return atomic_commit(drm->fd, &atom, conn, flags, mode); } static bool atomic_conn_enable(struct wlr_drm_backend *drm, -- cgit v1.2.3