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backend/drm: take wlr_output_state as arg in commit callers

Browse source 
Instead of relying on wlr_output.pending to be empty when performing
backend-initiated CRTC commits, use a zero wlr_output_state.
This commit is contained in:
Simon Ser 2021-04-06 16:43:48 +02:00 committed by Kenny Levinsen
parent 8f90d7f8f5
commit 1a9701cd7c
3 changed files with 30 additions and 23 deletions
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7
backend/drm/backend.c
View file

@ -117,11 +117,12 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
scan_drm_connectors(drm);
struct wlr_drm_connector *conn;
wl_list_for_each(conn, &drm->outputs, link){
wl_list_for_each(conn, &drm->outputs, link) {
struct wlr_output_state state = {0};
if (conn->output.enabled && conn->output.current_mode != NULL) {
drm_connector_set_mode(conn, conn->output.current_mode);
drm_connector_set_mode(conn, &state, conn->output.current_mode);
} else {
drm_connector_set_mode(conn, NULL);
drm_connector_set_mode(conn, &state, NULL);
}
}
} else {

44
backend/drm/drm.c
View file

@ -327,10 +327,11 @@ static void drm_plane_set_committed(struct wlr_drm_plane *plane) {
}
}
static bool drm_crtc_commit(struct wlr_drm_connector *conn, uint32_t flags) {
static bool drm_crtc_commit(struct wlr_drm_connector *conn,
const struct wlr_output_state *state, uint32_t flags) {
struct wlr_drm_backend *drm = conn->backend;
struct wlr_drm_crtc *crtc = conn->crtc;
bool ok = drm->iface->crtc_commit(drm, conn, &conn->output.pending, flags);
bool ok = drm->iface->crtc_commit(drm, conn, state, flags);
if (ok && !(flags & DRM_MODE_ATOMIC_TEST_ONLY)) {
memcpy(&crtc->current, &crtc->pending, sizeof(struct wlr_drm_crtc_state));
drm_plane_set_committed(crtc->primary);
@ -348,7 +349,8 @@ static bool drm_crtc_commit(struct wlr_drm_connector *conn, uint32_t flags) {
return ok;
}
static bool drm_crtc_page_flip(struct wlr_drm_connector *conn) {
static bool drm_crtc_page_flip(struct wlr_drm_connector *conn,
const struct wlr_output_state *state) {
struct wlr_drm_crtc *crtc = conn->crtc;
assert(crtc != NULL);
@ -364,7 +366,7 @@ static bool drm_crtc_page_flip(struct wlr_drm_connector *conn) {
assert(crtc->pending.active);
assert(plane_get_next_fb(crtc->primary));
if (!drm_crtc_commit(conn, DRM_MODE_PAGE_FLIP_EVENT)) {
if (!drm_crtc_commit(conn, state, DRM_MODE_PAGE_FLIP_EVENT)) {
return false;
}
@ -402,7 +404,7 @@ static bool test_buffer(struct wlr_drm_connector *conn,
&crtc->primary->formats)) {
return false;
}
return drm_crtc_commit(conn, DRM_MODE_ATOMIC_TEST_ONLY);
return drm_crtc_commit(conn, &conn->output.pending, DRM_MODE_ATOMIC_TEST_ONLY);
}
static bool drm_connector_test(struct wlr_output *output) {
@ -474,7 +476,7 @@ static bool drm_connector_commit_buffer(struct wlr_output *output) {
break;
}
if (!drm_crtc_page_flip(conn)) {
if (!drm_crtc_page_flip(conn, &output->pending)) {
return false;
}
@ -537,7 +539,7 @@ static bool drm_connector_commit(struct wlr_output *output) {
}
}
if (!drm_connector_set_mode(conn, wlr_mode)) {
if (!drm_connector_set_mode(conn, &output->pending, wlr_mode)) {
return false;
}
} else if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
@ -550,7 +552,7 @@ static bool drm_connector_commit(struct wlr_output *output) {
WLR_OUTPUT_STATE_GAMMA_LUT)) {
assert(conn->crtc != NULL);
// TODO: maybe request a page-flip event here?
if (!drm_crtc_commit(conn, 0)) {
if (!drm_crtc_commit(conn, &output->pending, 0)) {
return false;
}
}
@ -637,7 +639,8 @@ struct wlr_drm_fb *plane_get_next_fb(struct wlr_drm_plane *plane) {
return plane->current_fb;
}
static bool drm_connector_pageflip_renderer(struct wlr_drm_connector *conn) {
static bool drm_connector_pageflip_renderer(struct wlr_drm_connector *conn,
const struct wlr_output_state *state) {
struct wlr_drm_backend *drm = conn->backend;
struct wlr_drm_crtc *crtc = conn->crtc;
if (!crtc) {
@ -656,11 +659,11 @@ static bool drm_connector_pageflip_renderer(struct wlr_drm_connector *conn) {
}
}
return drm_crtc_page_flip(conn);
return drm_crtc_page_flip(conn, state);
}
static bool drm_connector_init_renderer(struct wlr_drm_connector *conn,
struct wlr_drm_mode *mode) {
const struct wlr_output_state *state, struct wlr_drm_mode *mode) {
struct wlr_drm_backend *drm = conn->backend;
if (conn->state != WLR_DRM_CONN_CONNECTED &&
@ -688,7 +691,7 @@ static bool drm_connector_init_renderer(struct wlr_drm_connector *conn,
bool modifiers = drm->addfb2_modifiers;
if (!drm_plane_init_surface(plane, drm, width, height, format, modifiers) ||
!drm_connector_pageflip_renderer(conn)) {
!drm_connector_pageflip_renderer(conn, state)) {
if (!modifiers) {
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to initialize renderer:"
"initial page-flip failed");
@ -710,7 +713,7 @@ static bool drm_connector_init_renderer(struct wlr_drm_connector *conn,
modifiers)) {
return false;
}
if (!drm_connector_pageflip_renderer(conn)) {
if (!drm_connector_pageflip_renderer(conn, state)) {
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to initialize renderer:"
"initial page-flip failed");
return false;
@ -732,13 +735,14 @@ static void attempt_enable_needs_modeset(struct wlr_drm_backend *drm) {
conn->desired_enabled) {
wlr_drm_conn_log(conn, WLR_DEBUG,
"Output has a desired mode and a CRTC, attempting a modeset");
drm_connector_set_mode(conn, conn->desired_mode);
struct wlr_output_state state = {0};
drm_connector_set_mode(conn, &state, conn->desired_mode);
}
}
}
bool drm_connector_set_mode(struct wlr_drm_connector *conn,
struct wlr_output_mode *wlr_mode) {
const struct wlr_output_state *state, struct wlr_output_mode *wlr_mode) {
struct wlr_drm_backend *drm = conn->backend;
conn->desired_enabled = wlr_mode != NULL;
@ -748,7 +752,7 @@ bool drm_connector_set_mode(struct wlr_drm_connector *conn,
if (conn->crtc != NULL) {
conn->crtc->pending_modeset = true;
conn->crtc->pending.active = false;
if (!drm_crtc_commit(conn, 0)) {
if (!drm_crtc_commit(conn, state, 0)) {
return false;
}
realloc_crtcs(drm);
@ -780,7 +784,7 @@ bool drm_connector_set_mode(struct wlr_drm_connector *conn,
wlr_mode->width, wlr_mode->height, wlr_mode->refresh);
struct wlr_drm_mode *mode = (struct wlr_drm_mode *)wlr_mode;
if (!drm_connector_init_renderer(conn, mode)) {
if (!drm_connector_init_renderer(conn, state, mode)) {
wlr_drm_conn_log(conn, WLR_ERROR,
"Failed to initialize renderer for plane");
return false;
@ -1052,7 +1056,8 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
conn->crtc->pending_modeset = true;
conn->crtc->pending.active = false;
if (!drm_crtc_commit(conn, 0)) {
struct wlr_output_state state = {0};
if (!drm_crtc_commit(conn, &state, 0)) {
// On GPU unplug, disabling the CRTC can fail with EPERM
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to disable CRTC %"PRIu32,
conn->crtc->id);
@ -1180,7 +1185,8 @@ static void realloc_crtcs(struct wlr_drm_backend *drm) {
struct wlr_drm_mode *mode =
(struct wlr_drm_mode *)conn->output.current_mode;
if (!drm_connector_init_renderer(conn, mode)) {
struct wlr_output_state state = {0};
if (!drm_connector_init_renderer(conn, &state, mode)) {
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to initialize renderer");
wlr_output_update_enabled(&conn->output, false);
continue;

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

@ -152,7 +152,7 @@ void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data);
void destroy_drm_connector(struct wlr_drm_connector *conn);
bool drm_connector_set_mode(struct wlr_drm_connector *conn,
struct wlr_output_mode *mode);
const struct wlr_output_state *state, struct wlr_output_mode *mode);
bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn);
bool drm_connector_supports_vrr(struct wlr_drm_connector *conn);
size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm,