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backend/drm: add infrastructure for device-wide commits

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Simon Ser 2024-02-14 16:35:29 +01:00 • committed by Kenny Levinsen
parent 4636f8c407
commit 805807fd5b
6 changed files with 256 additions and 175 deletions
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50
backend/drm/legacy.c
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@ -34,11 +34,12 @@ static bool legacy_fb_props_match(struct wlr_drm_fb *fb1,
return true;
}
static bool legacy_crtc_test(struct wlr_drm_connector *conn,
const struct wlr_drm_connector_state *state) {
static bool legacy_crtc_test(const struct wlr_drm_connector_state *state,
bool modeset) {
struct wlr_drm_connector *conn = state->connector;
struct wlr_drm_crtc *crtc = conn->crtc;
if ((state->base->committed & WLR_OUTPUT_STATE_BUFFER) && !state->modeset) {
if ((state->base->committed & WLR_OUTPUT_STATE_BUFFER) && !modeset) {
struct wlr_drm_fb *pending_fb = state->primary_fb;
struct wlr_drm_fb *prev_fb = crtc->primary->queued_fb;
@ -58,16 +59,9 @@ static bool legacy_crtc_test(struct wlr_drm_connector *conn,
return true;
}
static bool legacy_crtc_commit(struct wlr_drm_connector *conn,
struct wlr_drm_connector_state *state,
struct wlr_drm_page_flip *page_flip, uint32_t flags, bool test_only) {
if (!legacy_crtc_test(conn, state)) {
return false;
}
if (test_only) {
return true;
}
static bool legacy_crtc_commit(const struct wlr_drm_connector_state *state,
struct wlr_drm_page_flip *page_flip, uint32_t flags, bool modeset) {
struct wlr_drm_connector *conn = state->connector;
struct wlr_drm_backend *drm = conn->backend;
struct wlr_output *output = &conn->output;
struct wlr_drm_crtc *crtc = conn->crtc;
@ -83,7 +77,7 @@ static bool legacy_crtc_commit(struct wlr_drm_connector *conn,
fb_id = state->primary_fb->id;
}
if (state->modeset) {
if (modeset) {
uint32_t *conns = NULL;
size_t conns_len = 0;
drmModeModeInfo *mode = NULL;
@ -185,6 +179,32 @@ static bool legacy_crtc_commit(struct wlr_drm_connector *conn,
return true;
}
static bool legacy_commit(struct wlr_drm_backend *drm,
const struct wlr_drm_device_state *state,
struct wlr_drm_page_flip *page_flip, uint32_t flags,
bool test_only) {
for (size_t i = 0; i < state->connectors_len; i++) {
const struct wlr_drm_connector_state *conn_state = &state->connectors[i];
if (!legacy_crtc_test(conn_state, state->modeset)) {
return false;
}
}
if (test_only) {
return true;
}
for (size_t i = 0; i < state->connectors_len; i++) {
const struct wlr_drm_connector_state *conn_state = &state->connectors[i];
if (!legacy_crtc_commit(conn_state, page_flip, flags,
state->modeset)) {
return false;
}
}
return true;
}
static void fill_empty_gamma_table(size_t size,
uint16_t *r, uint16_t *g, uint16_t *b) {
assert(0xFFFF < UINT64_MAX / (size - 1));
@ -241,6 +261,6 @@ static bool legacy_reset(struct wlr_drm_backend *drm) {
}
const struct wlr_drm_interface legacy_iface = {
.crtc_commit = legacy_crtc_commit,
.commit = legacy_commit,
.reset = legacy_reset,
};