mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-26 14:45:58 +01:00
backend/drm: simplify atomic commit logic
We don't need a per-CRTC atomic request anymore. Let's make the request per-commit so that it's easier to debug. This is also groundwork for supporting wlr_output_test properly.
This commit is contained in:
parent
06d5aa5780
commit
2ca3bdc35e
3 changed files with 24 additions and 49 deletions
|
@ -9,57 +9,42 @@
|
||||||
|
|
||||||
struct atomic {
|
struct atomic {
|
||||||
drmModeAtomicReq *req;
|
drmModeAtomicReq *req;
|
||||||
int cursor;
|
|
||||||
bool failed;
|
bool failed;
|
||||||
};
|
};
|
||||||
|
|
||||||
static void atomic_begin(struct wlr_drm_crtc *crtc, struct atomic *atom) {
|
static void atomic_begin(struct atomic *atom) {
|
||||||
if (!crtc->atomic) {
|
memset(atom, 0, sizeof(*atom));
|
||||||
crtc->atomic = drmModeAtomicAlloc();
|
|
||||||
if (!crtc->atomic) {
|
|
||||||
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
|
||||||
atom->failed = true;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
atom->req = crtc->atomic;
|
atom->req = drmModeAtomicAlloc();
|
||||||
atom->cursor = drmModeAtomicGetCursor(atom->req);
|
if (!atom->req) {
|
||||||
atom->failed = false;
|
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
||||||
|
atom->failed = true;
|
||||||
|
return;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool atomic_end(int drm_fd, uint32_t flags, struct atomic *atom) {
|
static bool atomic_commit(struct atomic *atom,
|
||||||
if (atom->failed) {
|
struct wlr_drm_connector *conn, uint32_t flags) {
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
flags |= DRM_MODE_ATOMIC_TEST_ONLY;
|
|
||||||
if (drmModeAtomicCommit(drm_fd, atom->req, flags, NULL)) {
|
|
||||||
wlr_log_errno(WLR_DEBUG, "Atomic test failed");
|
|
||||||
drmModeAtomicSetCursor(atom->req, atom->cursor);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
static bool atomic_commit(int drm_fd, struct atomic *atom,
|
|
||||||
struct wlr_drm_connector *conn, uint32_t flags, bool modeset) {
|
|
||||||
struct wlr_drm_backend *drm =
|
struct wlr_drm_backend *drm =
|
||||||
get_drm_backend_from_backend(conn->output.backend);
|
get_drm_backend_from_backend(conn->output.backend);
|
||||||
if (atom->failed) {
|
if (atom->failed) {
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
int ret = drmModeAtomicCommit(drm_fd, atom->req, flags, drm);
|
int ret = drmModeAtomicCommit(drm->fd, atom->req, flags, drm);
|
||||||
if (ret) {
|
if (ret) {
|
||||||
wlr_log_errno(WLR_ERROR, "%s: Atomic commit failed (%s)",
|
wlr_log_errno(WLR_ERROR, "%s: Atomic %s failed (%s)",
|
||||||
conn->output.name, modeset ? "modeset" : "pageflip");
|
conn->output.name,
|
||||||
|
(flags & DRM_MODE_ATOMIC_TEST_ONLY) ? "test" : "commit",
|
||||||
|
(flags & DRM_MODE_ATOMIC_ALLOW_MODESET) ? "modeset" : "pageflip");
|
||||||
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
drmModeAtomicSetCursor(atom->req, 0);
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
return !ret;
|
static void atomic_finish(struct atomic *atom) {
|
||||||
|
drmModeAtomicFree(atom->req);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void atomic_add(struct atomic *atom, uint32_t id, uint32_t prop, uint64_t val) {
|
static void atomic_add(struct atomic *atom, uint32_t id, uint32_t prop, uint64_t val) {
|
||||||
|
@ -200,7 +185,7 @@ static bool atomic_crtc_commit(struct wlr_drm_backend *drm,
|
||||||
}
|
}
|
||||||
|
|
||||||
struct atomic atom;
|
struct atomic atom;
|
||||||
atomic_begin(crtc, &atom);
|
atomic_begin(&atom);
|
||||||
atomic_add(&atom, conn->id, conn->props.crtc_id,
|
atomic_add(&atom, conn->id, conn->props.crtc_id,
|
||||||
crtc->active ? crtc->id : 0);
|
crtc->active ? crtc->id : 0);
|
||||||
if (modeset && crtc->active && conn->props.link_status != 0) {
|
if (modeset && crtc->active && conn->props.link_status != 0) {
|
||||||
|
@ -227,17 +212,9 @@ static bool atomic_crtc_commit(struct wlr_drm_backend *drm,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!atomic_end(drm->fd, modeset ? DRM_MODE_ATOMIC_ALLOW_MODESET : 0,
|
bool ok = atomic_commit(&atom, conn, flags);
|
||||||
&atom)) {
|
atomic_finish(&atom);
|
||||||
drmModeAtomicSetCursor(atom.req, 0);
|
return ok;
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!atomic_commit(drm->fd, &atom, conn, flags, modeset)) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
return true;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
const struct wlr_drm_interface atomic_iface = {
|
const struct wlr_drm_interface atomic_iface = {
|
||||||
|
|
|
@ -296,7 +296,6 @@ void finish_drm_resources(struct wlr_drm_backend *drm) {
|
||||||
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
for (size_t i = 0; i < drm->num_crtcs; ++i) {
|
||||||
struct wlr_drm_crtc *crtc = &drm->crtcs[i];
|
struct wlr_drm_crtc *crtc = &drm->crtcs[i];
|
||||||
|
|
||||||
drmModeAtomicFree(crtc->atomic);
|
|
||||||
drmModeFreeCrtc(crtc->legacy_crtc);
|
drmModeFreeCrtc(crtc->legacy_crtc);
|
||||||
|
|
||||||
if (crtc->mode_id) {
|
if (crtc->mode_id) {
|
||||||
|
|
|
@ -57,7 +57,6 @@ struct wlr_drm_crtc {
|
||||||
// Atomic modesetting only
|
// Atomic modesetting only
|
||||||
uint32_t mode_id;
|
uint32_t mode_id;
|
||||||
uint32_t gamma_lut;
|
uint32_t gamma_lut;
|
||||||
drmModeAtomicReq *atomic;
|
|
||||||
|
|
||||||
// Legacy only
|
// Legacy only
|
||||||
drmModeCrtc *legacy_crtc;
|
drmModeCrtc *legacy_crtc;
|
||||||
|
|
Loading…
Reference in a new issue