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-rw-r--r--backend/drm/atomic.c16
-rw-r--r--backend/drm/backend.c7
-rw-r--r--backend/drm/drm.c505
-rw-r--r--backend/drm/legacy.c5
-rw-r--r--backend/drm/renderer.c39
-rw-r--r--backend/drm/util.c32
6 files changed, 362 insertions, 242 deletions
diff --git a/backend/drm/atomic.c b/backend/drm/atomic.c
index 61d2f6e1..335c9de1 100644
--- a/backend/drm/atomic.c
+++ b/backend/drm/atomic.c
@@ -199,14 +199,20 @@ static bool atomic_crtc_move_cursor(struct wlr_drm_backend *drm,
static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, uint16_t *r, uint16_t *g, uint16_t *b,
uint32_t size) {
- struct drm_color_lut gamma[size];
-
// Fallback to legacy gamma interface when gamma properties are not available
// (can happen on older intel gpu's that support gamma but not degamma)
- if (crtc->props.gamma_lut == 0) {
+ // TEMP: This is broken on AMDGPU. Always fallback to legacy until they get
+ // it fixed. Ref https://bugs.freedesktop.org/show_bug.cgi?id=107459
+ if (crtc->props.gamma_lut == 0 || true) {
return legacy_iface.crtc_set_gamma(drm, crtc, r, g, b, size);
}
+ struct drm_color_lut *gamma = malloc(size * sizeof(struct drm_color_lut));
+ if (gamma == NULL) {
+ wlr_log(WLR_ERROR, "Failed to allocate gamma table");
+ return false;
+ }
+
for (uint32_t i = 0; i < size; i++) {
gamma[i].red = r[i];
gamma[i].green = g[i];
@@ -218,10 +224,12 @@ static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
}
if (drmModeCreatePropertyBlob(drm->fd, gamma,
- sizeof(struct drm_color_lut) * size, &crtc->gamma_lut)) {
+ size * sizeof(struct drm_color_lut), &crtc->gamma_lut)) {
+ free(gamma);
wlr_log_errno(WLR_ERROR, "Unable to create property blob");
return false;
}
+ free(gamma);
struct atomic atom;
atomic_begin(crtc, &atom);
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index 5833d46e..1df5cdd1 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -51,7 +51,12 @@ static void backend_destroy(struct wlr_backend *backend) {
static struct wlr_renderer *backend_get_renderer(
struct wlr_backend *backend) {
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
- return drm->renderer.wlr_rend;
+
+ if (drm->parent) {
+ return drm->parent->renderer.wlr_rend;
+ } else {
+ return drm->renderer.wlr_rend;
+ }
}
static struct wlr_backend_impl backend_impl = {
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index c4674235..e37eba74 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -27,6 +27,23 @@
#include "util/signal.h"
bool check_drm_features(struct wlr_drm_backend *drm) {
+ if (drm->parent) {
+ uint64_t cap;
+ if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) ||
+ !(cap & DRM_PRIME_CAP_IMPORT)) {
+ wlr_log(WLR_ERROR,
+ "PRIME import not supported on secondary GPU");
+ return false;
+ }
+
+ if (drmGetCap(drm->parent->fd, DRM_CAP_PRIME, &cap) ||
+ !(cap & DRM_PRIME_CAP_EXPORT)) {
+ wlr_log(WLR_ERROR,
+ "PRIME export not supported on primary GPU");
+ return false;
+ }
+ }
+
if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1)) {
wlr_log(WLR_ERROR, "DRM universal planes unsupported");
return false;
@@ -228,30 +245,54 @@ static bool drm_connector_swap_buffers(struct wlr_output *output,
return true;
}
-static void drm_connector_set_gamma(struct wlr_output *output,
- uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
+static void fill_empty_gamma_table(uint32_t size,
+ uint16_t *r, uint16_t *g, uint16_t *b) {
+ for (uint32_t i = 0; i < size; ++i) {
+ uint16_t val = (uint32_t)0xffff * i / (size - 1);
+ r[i] = g[i] = b[i] = val;
+ }
+}
+
+static uint32_t drm_connector_get_gamma_size(struct wlr_output *output) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
- bool ok;
if (conn->crtc) {
- ok = drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size);
- if (ok) {
- wlr_output_update_needs_swap(output);
- }
+ return drm->iface->crtc_get_gamma_size(drm, conn->crtc);
}
+ return 0;
}
-static uint32_t drm_connector_get_gamma_size(struct wlr_output *output) {
+static bool drm_connector_set_gamma(struct wlr_output *output,
+ uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
- if (conn->crtc) {
- return drm->iface->crtc_get_gamma_size(drm, conn->crtc);
+ if (!conn->crtc) {
+ return false;
}
- return 0;
+ uint16_t *reset_table = NULL;
+ if (size == 0) {
+ size = drm_connector_get_gamma_size(output);
+ reset_table = malloc(3 * size * sizeof(uint16_t));
+ if (reset_table == NULL) {
+ wlr_log(WLR_ERROR, "Failed to allocate gamma table");
+ return false;
+ }
+ r = reset_table;
+ g = reset_table + size;
+ b = reset_table + 2 * size;
+ fill_empty_gamma_table(size, r, g, b);
+ }
+
+ bool ok = drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size);
+ if (ok) {
+ wlr_output_update_needs_swap(output);
+ }
+ free(reset_table);
+ return ok;
}
static bool drm_connector_export_dmabuf(struct wlr_output *output,
@@ -303,7 +344,8 @@ static void drm_connector_start_renderer(struct wlr_drm_connector *conn) {
void enable_drm_connector(struct wlr_output *output, bool enable) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
- if (conn->state != WLR_DRM_CONN_CONNECTED) {
+ if (conn->state != WLR_DRM_CONN_CONNECTED
+ && conn->state != WLR_DRM_CONN_NEEDS_MODESET) {
return;
}
@@ -362,9 +404,11 @@ static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in,
struct wlr_drm_plane *new = &drm->type_planes[type][crtc_res[i]];
if (*old != new) {
- wlr_log(WLR_DEBUG, "Assigning plane %d -> %d to CRTC %d",
+ wlr_log(WLR_DEBUG,
+ "Assigning plane %d -> %d (type %zu) to CRTC %d",
*old ? (int)(*old)->id : -1,
new ? (int)new->id : -1,
+ type,
c->id);
changed_outputs[crtc_res[i]] = true;
@@ -378,192 +422,41 @@ static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in,
}
}
-static void realloc_crtcs(struct wlr_drm_backend *drm,
- struct wlr_drm_connector *conn, bool *changed_outputs) {
- uint32_t crtc[drm->num_crtcs];
- uint32_t crtc_res[drm->num_crtcs];
- ssize_t num_outputs = wl_list_length(&drm->outputs);
- uint32_t possible_crtc[num_outputs];
-
- for (size_t i = 0; i < drm->num_crtcs; ++i) {
- crtc[i] = UNMATCHED;
- }
-
- memset(possible_crtc, 0, sizeof(possible_crtc));
-
- wlr_log(WLR_DEBUG, "Reallocating CRTCs for output '%s'", conn->output.name);
-
- ssize_t index = -1, i = -1;
- struct wlr_drm_connector *c;
- wl_list_for_each(c, &drm->outputs, link) {
- i++;
- if (c == conn) {
- index = i;
- }
-
- wlr_log(WLR_DEBUG, "output '%s' crtc=%p state=%d",
- c->output.name, c->crtc, c->state);
-
- if (c->crtc) {
- crtc[c->crtc - drm->crtcs] = i;
- }
-
- if (c->state == WLR_DRM_CONN_CONNECTED) {
- possible_crtc[i] = c->possible_crtc;
- }
- }
- assert(index != -1);
-
- possible_crtc[index] = conn->possible_crtc;
- match_obj(wl_list_length(&drm->outputs), possible_crtc,
- drm->num_crtcs, crtc, crtc_res);
-
- bool matched[num_outputs];
- memset(matched, false, sizeof(matched));
- for (size_t i = 0; i < drm->num_crtcs; ++i) {
- if (crtc_res[i] != UNMATCHED) {
- matched[crtc_res[i]] = true;
- }
- }
-
- // There is no point doing anything if this monitor doesn't get activated
- if (!matched[index]) {
- wlr_log(WLR_DEBUG, "Could not match a CRTC for this output");
- return;
- }
-
- for (size_t i = 0; i < drm->num_crtcs; ++i) {
- // We don't want any of the current monitors to be deactivated.
- if (crtc[i] != UNMATCHED && !matched[crtc[i]]) {
- wlr_log(WLR_DEBUG, "Could not match a CRTC for other output %d",
- crtc[i]);
- return;
- }
- }
-
- changed_outputs[index] = true;
-
- for (size_t i = 0; i < drm->num_crtcs; ++i) {
- if (crtc_res[i] == UNMATCHED) {
- continue;
- }
-
- if (crtc_res[i] != crtc[i]) {
- changed_outputs[crtc_res[i]] = true;
- struct wlr_drm_connector *c;
- size_t pos = 0;
- wl_list_for_each(c, &drm->outputs, link) {
- if (pos == crtc_res[i]) {
- break;
- }
- pos++;
- }
- c->crtc = &drm->crtcs[i];
-
- wlr_log(WLR_DEBUG, "Assigning CRTC %d to output '%s'",
- drm->crtcs[i].id, c->output.name);
- }
- }
-
- realloc_planes(drm, crtc_res, changed_outputs);
-}
-
-static uint32_t get_possible_crtcs(int fd, uint32_t conn_id) {
- drmModeConnector *conn = drmModeGetConnector(fd, conn_id);
- if (!conn) {
- wlr_log_errno(WLR_ERROR, "Failed to get DRM connector");
- return 0;
- }
-
- if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) {
- wlr_log(WLR_ERROR, "Output is not connected");
- goto error_conn;
- }
-
- drmModeEncoder *enc = NULL;
- for (int i = 0; !enc && i < conn->count_encoders; ++i) {
- enc = drmModeGetEncoder(fd, conn->encoders[i]);
- }
-
- if (!enc) {
- wlr_log(WLR_ERROR, "Failed to get DRM encoder");
- goto error_conn;
- }
-
- uint32_t ret = enc->possible_crtcs;
- drmModeFreeEncoder(enc);
- drmModeFreeConnector(conn);
- return ret;
-
-error_conn:
- drmModeFreeConnector(conn);
- return 0;
-}
-
static void drm_connector_cleanup(struct wlr_drm_connector *conn);
static bool drm_connector_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
- bool changed_outputs[wl_list_length(&drm->outputs)];
-
- wlr_log(WLR_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", conn->output.name,
- mode->width, mode->height, mode->refresh);
-
- conn->possible_crtc = get_possible_crtcs(drm->fd, conn->id);
- if (conn->possible_crtc == 0) {
- goto error_conn;
+ if (conn->crtc == NULL) {
+ wlr_log(WLR_ERROR, "Cannot modeset '%s': no CRTC for this connector",
+ conn->output.name);
+ // Save the desired mode for later, when we'll get a proper CRTC
+ conn->desired_mode = mode;
+ return false;
}
- memset(changed_outputs, false, sizeof(changed_outputs));
- realloc_crtcs(drm, conn, changed_outputs);
+ wlr_log(WLR_INFO, "Modesetting '%s' with '%ux%u@%u mHz'",
+ conn->output.name, mode->width, mode->height, mode->refresh);
- struct wlr_drm_crtc *crtc = conn->crtc;
- if (!crtc) {
- wlr_log(WLR_ERROR, "Unable to match %s with a CRTC", conn->output.name);
- goto error_conn;
+ if (!init_drm_plane_surfaces(conn->crtc->primary, drm,
+ mode->width, mode->height, GBM_FORMAT_XRGB8888)) {
+ wlr_log(WLR_ERROR, "Failed to initialize renderer for plane");
+ return false;
}
- wlr_log(WLR_DEBUG, "%s: crtc=%td ovr=%td pri=%td cur=%td", conn->output.name,
- crtc - drm->crtcs,
- crtc->overlay ? crtc->overlay - drm->overlay_planes : -1,
- crtc->primary ? crtc->primary - drm->primary_planes : -1,
- crtc->cursor ? crtc->cursor - drm->cursor_planes : -1);
conn->state = WLR_DRM_CONN_CONNECTED;
+ conn->desired_mode = NULL;
wlr_output_update_mode(&conn->output, mode);
+ wlr_output_update_enabled(&conn->output, true);
+
+ drm_connector_start_renderer(conn);
// When switching VTs, the mode is not updated but the buffers become
// invalid, so we need to manually damage the output here
wlr_output_damage_whole(&conn->output);
- // Since realloc_crtcs can deallocate planes on OTHER outputs,
- // we actually need to reinitialize any that has changed
- ssize_t output_index = -1;
- wl_list_for_each(conn, &drm->outputs, link) {
- output_index++;
- struct wlr_output_mode *mode = conn->output.current_mode;
- struct wlr_drm_crtc *crtc = conn->crtc;
-
- if (conn->state != WLR_DRM_CONN_CONNECTED ||
- !changed_outputs[output_index]) {
- continue;
- }
-
- if (!init_drm_plane_surfaces(crtc->primary, drm,
- mode->width, mode->height, GBM_FORMAT_XRGB8888)) {
- wlr_log(WLR_ERROR, "Failed to initialize renderer for plane");
- goto error_conn;
- }
-
- drm_connector_start_renderer(conn);
- }
-
return true;
-
-error_conn:
- drm_connector_cleanup(conn);
- return false;
}
bool wlr_drm_connector_add_mode(struct wlr_output *output,
@@ -604,7 +497,6 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
bool update_texture) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
- struct wlr_drm_renderer *renderer = &drm->renderer;
struct wlr_drm_crtc *crtc = conn->crtc;
if (!crtc) {
@@ -630,13 +522,16 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
ret = drmGetCap(drm->fd, DRM_CAP_CURSOR_HEIGHT, &h);
h = ret ? 64 : h;
+ struct wlr_drm_renderer *renderer =
+ drm->parent ? &drm->parent->renderer : &drm->renderer;
+
if (!init_drm_surface(&plane->surf, renderer, w, h,
GBM_FORMAT_ARGB8888, 0)) {
wlr_log(WLR_ERROR, "Cannot allocate cursor resources");
return false;
}
- plane->cursor_bo = gbm_bo_create(renderer->gbm, w, h,
+ plane->cursor_bo = gbm_bo_create(drm->renderer.gbm, w, h,
GBM_FORMAT_ARGB8888, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
if (!plane->cursor_bo) {
wlr_log_errno(WLR_ERROR, "Failed to create cursor bo");
@@ -811,6 +706,176 @@ static const int32_t subpixel_map[] = {
[DRM_MODE_SUBPIXEL_NONE] = WL_OUTPUT_SUBPIXEL_NONE,
};
+static void dealloc_crtc(struct wlr_drm_connector *conn) {
+ struct wlr_drm_backend *drm = (struct wlr_drm_backend *)conn->output.backend;
+ if (conn->crtc == NULL) {
+ return;
+ }
+
+ wlr_log(WLR_DEBUG, "De-allocating CRTC %zu for output '%s'",
+ conn->crtc - drm->crtcs, conn->output.name);
+
+ for (size_t type = 0; type < 3; ++type) {
+ struct wlr_drm_plane *plane = conn->crtc->planes[type];
+ if (plane == NULL) {
+ continue;
+ }
+
+ finish_drm_surface(&plane->surf);
+ conn->crtc->planes[type] = NULL;
+ }
+
+ drm->iface->conn_enable(drm, conn, false);
+
+ conn->crtc = NULL;
+}
+
+void realloc_crtcs(struct wlr_drm_backend *drm, bool *changed_outputs) {
+ size_t num_outputs = wl_list_length(&drm->outputs);
+
+ wlr_log(WLR_DEBUG, "Reallocating CRTCs");
+
+ uint32_t crtc[drm->num_crtcs];
+ for (size_t i = 0; i < drm->num_crtcs; ++i) {
+ crtc[i] = UNMATCHED;
+ }
+
+ uint32_t possible_crtc[num_outputs];
+ memset(possible_crtc, 0, sizeof(possible_crtc));
+
+ wlr_log(WLR_DEBUG, "State before reallocation:");
+ ssize_t i = -1;
+ struct wlr_drm_connector *conn;
+ wl_list_for_each(conn, &drm->outputs, link) {
+ i++;
+
+ wlr_log(WLR_DEBUG, " '%s' crtc=%d state=%d", conn->output.name,
+ conn->crtc ? (int)(conn->crtc - drm->crtcs) : -1, conn->state);
+
+ if (conn->crtc) {
+ crtc[conn->crtc - drm->crtcs] = i;
+ }
+
+ if (conn->state == WLR_DRM_CONN_CONNECTED ||
+ conn->state == WLR_DRM_CONN_NEEDS_MODESET) {
+ possible_crtc[i] = conn->possible_crtc;
+ }
+ }
+
+ uint32_t crtc_res[drm->num_crtcs];
+ match_obj(wl_list_length(&drm->outputs), possible_crtc,
+ drm->num_crtcs, crtc, crtc_res);
+
+ bool matched[num_outputs];
+ memset(matched, false, sizeof(matched));
+ for (size_t i = 0; i < drm->num_crtcs; ++i) {
+ if (crtc_res[i] != UNMATCHED) {
+ matched[crtc_res[i]] = true;
+ }
+ }
+
+ for (size_t i = 0; i < drm->num_crtcs; ++i) {
+ // We don't want any of the current monitors to be deactivated
+ if (crtc[i] != UNMATCHED && !matched[crtc[i]]) {
+ wlr_log(WLR_DEBUG, "Could not match a CRTC for connected output %d",
+ crtc[i]);
+ return;
+ }
+ }
+
+ struct wlr_drm_connector *connectors[num_outputs];
+ i = 0;
+ wl_list_for_each(conn, &drm->outputs, link) {
+ connectors[i] = conn;
+ i++;
+ }
+
+ for (size_t i = 0; i < drm->num_crtcs; ++i) {
+ if (crtc_res[i] == UNMATCHED) {
+ // De-allocate CRTCs we don't use anymore
+ if (crtc[i] != UNMATCHED) {
+ dealloc_crtc(connectors[crtc[i]]);
+ }
+ continue;
+ }
+
+ if (crtc_res[i] != crtc[i]) {
+ changed_outputs[crtc_res[i]] = true;
+
+ struct wlr_drm_connector *conn = connectors[crtc_res[i]];
+
+ dealloc_crtc(conn);
+ conn->crtc = &drm->crtcs[i];
+
+ wlr_log(WLR_DEBUG, "Assigning CRTC %zu to output %d -> %d '%s'",
+ i, crtc[i], crtc_res[i], conn->output.name);
+ }
+ }
+
+ wlr_log(WLR_DEBUG, "State after reallocation:");
+ wl_list_for_each(conn, &drm->outputs, link) {
+ wlr_log(WLR_DEBUG, " '%s' crtc=%d state=%d", conn->output.name,
+ conn->crtc ? (int)(conn->crtc - drm->crtcs) : -1, conn->state);
+ }
+
+ realloc_planes(drm, crtc_res, changed_outputs);
+
+ // We need to reinitialize any plane that has changed
+ i = -1;
+ wl_list_for_each(conn, &drm->outputs, link) {
+ i++;
+ struct wlr_output_mode *mode = conn->output.current_mode;
+
+ if (conn->state != WLR_DRM_CONN_CONNECTED || !changed_outputs[i]) {
+ continue;
+ }
+ assert(conn->crtc);
+
+ if (!init_drm_plane_surfaces(conn->crtc->primary, drm,
+ mode->width, mode->height, GBM_FORMAT_XRGB8888)) {
+ wlr_log(WLR_ERROR, "Failed to initialize renderer for plane");
+ drm_connector_cleanup(conn);
+ break;
+ }
+
+ drm_connector_start_renderer(conn);
+
+ wlr_output_damage_whole(&conn->output);
+ }
+}
+
+static uint32_t get_possible_crtcs(int fd, uint32_t conn_id) {
+ drmModeConnector *conn = drmModeGetConnector(fd, conn_id);
+ if (!conn) {
+ wlr_log_errno(WLR_ERROR, "Failed to get DRM connector");
+ return 0;
+ }
+
+ if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) {
+ wlr_log(WLR_ERROR, "Output is not connected");
+ goto error_conn;
+ }
+
+ drmModeEncoder *enc = NULL;
+ for (int i = 0; !enc && i < conn->count_encoders; ++i) {
+ enc = drmModeGetEncoder(fd, conn->encoders[i]);
+ }
+
+ if (!enc) {
+ wlr_log(WLR_ERROR, "Failed to get DRM encoder");
+ goto error_conn;
+ }
+
+ uint32_t ret = enc->possible_crtcs;
+ drmModeFreeEncoder(enc);
+ drmModeFreeConnector(conn);
+ return ret;
+
+error_conn:
+ drmModeFreeConnector(conn);
+ return 0;
+}
+
void scan_drm_connectors(struct wlr_drm_backend *drm) {
wlr_log(WLR_INFO, "Scanning DRM connectors");
@@ -824,7 +889,9 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
// +1 so length can never be 0, which is undefined behaviour.
// Last element isn't used.
bool seen[seen_len + 1];
- memset(seen, 0, sizeof(seen));
+ memset(seen, false, sizeof(seen));
+ size_t new_outputs_len = 0;
+ struct wlr_drm_connector *new_outputs[res->count_connectors + 1];
for (int i = 0; i < res->count_connectors; ++i) {
drmModeConnector *drm_conn = drmModeGetConnector(drm->fd,
@@ -864,17 +931,16 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
wlr_conn->state = WLR_DRM_CONN_DISCONNECTED;
wlr_conn->id = drm_conn->connector_id;
+ snprintf(wlr_conn->output.name, sizeof(wlr_conn->output.name),
+ "%s-%"PRIu32, conn_get_name(drm_conn->connector_type),
+ drm_conn->connector_type_id);
+
if (curr_enc) {
wlr_conn->old_crtc = drmModeGetCrtc(drm->fd, curr_enc->crtc_id);
}
- snprintf(wlr_conn->output.name, sizeof(wlr_conn->output.name),
- "%s-%"PRIu32,
- conn_get_name(drm_conn->connector_type),
- drm_conn->connector_type_id);
-
wl_list_insert(&drm->outputs, &wlr_conn->link);
- wlr_log(WLR_INFO, "Found display '%s'", wlr_conn->output.name);
+ wlr_log(WLR_INFO, "Found connector '%s'", wlr_conn->output.name);
} else {
seen[index] = true;
}
@@ -930,18 +996,20 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
wl_list_insert(&wlr_conn->output.modes, &mode->wlr_mode.link);
}
- wlr_output_update_enabled(&wlr_conn->output, true);
+ wlr_conn->possible_crtc = get_possible_crtcs(drm->fd, wlr_conn->id);
+ if (wlr_conn->possible_crtc == 0) {
+ wlr_log(WLR_ERROR, "No CRTC possible for connector '%s'",
+ wlr_conn->output.name);
+ }
+
+ wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL);
wlr_conn->state = WLR_DRM_CONN_NEEDS_MODESET;
- wlr_log(WLR_INFO, "Sending modesetting signal for '%s'",
- wlr_conn->output.name);
- wlr_signal_emit_safe(&drm->backend.events.new_output,
- &wlr_conn->output);
+ new_outputs[new_outputs_len++] = wlr_conn;
} else if (wlr_conn->state == WLR_DRM_CONN_CONNECTED &&
drm_conn->connection != DRM_MODE_CONNECTED) {
wlr_log(WLR_INFO, "'%s' disconnected", wlr_conn->output.name);
- wlr_output_update_enabled(&wlr_conn->output, false);
drm_connector_cleanup(wlr_conn);
}
@@ -967,6 +1035,44 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
wl_list_remove(&conn->link);
free(conn);
}
+
+ bool changed_outputs[wl_list_length(&drm->outputs)];
+ memset(changed_outputs, false, sizeof(changed_outputs));
+ for (size_t i = 0; i < new_outputs_len; ++i) {
+ struct wlr_drm_connector *conn = new_outputs[i];
+
+ ssize_t pos = -1;
+ struct wlr_drm_connector *c;
+ wl_list_for_each(c, &drm->outputs, link) {
+ ++pos;
+ if (c == conn) {
+ break;
+ }
+ }
+ assert(pos >= 0);
+
+ changed_outputs[pos] = true;
+ }
+
+ realloc_crtcs(drm, changed_outputs);
+
+ for (size_t i = 0; i < new_outputs_len; ++i) {
+ struct wlr_drm_connector *conn = new_outputs[i];
+
+ wlr_log(WLR_INFO, "Requesting modeset for '%s'",
+ conn->output.name);
+ wlr_signal_emit_safe(&drm->backend.events.new_output,
+ &conn->output);
+ }
+
+ // Try to modeset any output that has a desired mode and a CRTC (ie. was
+ // lacking a CRTC on last modeset)
+ wl_list_for_each(conn, &drm->outputs, link) {
+ if (conn->state == WLR_DRM_CONN_NEEDS_MODESET && conn->crtc != NULL &&
+ conn->desired_mode != NULL) {
+ drm_connector_set_mode(&conn->output, conn->desired_mode);
+ }
+ }
}
static void page_flip_handler(int fd, unsigned seq,
@@ -1062,23 +1168,28 @@ static void drm_connector_cleanup(struct wlr_drm_connector *conn) {
}
conn->output.current_mode = NULL;
+ conn->desired_mode = NULL;
struct wlr_drm_mode *mode, *tmp;
wl_list_for_each_safe(mode, tmp, &conn->output.modes, wlr_mode.link) {
wl_list_remove(&mode->wlr_mode.link);
free(mode);
}
+ conn->output.enabled = false;
+ conn->output.width = conn->output.height = conn->output.refresh = 0;
+
memset(&conn->output.make, 0, sizeof(conn->output.make));
memset(&conn->output.model, 0, sizeof(conn->output.model));
memset(&conn->output.serial, 0, sizeof(conn->output.serial));
- conn->crtc = NULL;
- conn->possible_crtc = 0;
conn->pageflip_pending = false;
/* Fallthrough */
case WLR_DRM_CONN_NEEDS_MODESET:
wlr_log(WLR_INFO, "Emitting destruction signal for '%s'",
conn->output.name);
+ dealloc_crtc(conn);
+ conn->possible_crtc = 0;
+ conn->desired_mode = NULL;
wlr_signal_emit_safe(&conn->output.events.destroy, &conn->output);
break;
case WLR_DRM_CONN_DISCONNECTED:
diff --git a/backend/drm/legacy.c b/backend/drm/legacy.c
index d27cf137..c205e167 100644
--- a/backend/drm/legacy.c
+++ b/backend/drm/legacy.c
@@ -39,7 +39,10 @@ bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm,
}
if (!bo) {
- drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0);
+ if (drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0)) {
+ wlr_log_errno(WLR_DEBUG, "Failed to clear hardware cursor");
+ return false;
+ }
return true;
}
diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c
index 38e6315d..fa7d090e 100644
--- a/backend/drm/renderer.c
+++ b/backend/drm/renderer.c
@@ -188,46 +188,29 @@ bool export_drm_bo(struct gbm_bo *bo, struct wlr_dmabuf_attributes *attribs) {
return true;
}
-struct tex {
- struct wlr_egl *egl;
- EGLImageKHR img;
- struct wlr_texture *tex;
-};
-
-static void free_eglimage(struct gbm_bo *bo, void *data) {
- struct tex *tex = data;
-
- wlr_egl_destroy_image(tex->egl, tex->img);
- wlr_texture_destroy(tex->tex);
- free(tex);
+static void free_tex(struct gbm_bo *bo, void *data) {
+ struct wlr_texture *tex = data;
+ wlr_texture_destroy(tex);
}
static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer,
struct gbm_bo *bo) {
- struct tex *tex = gbm_bo_get_user_data(bo);
- if (tex != NULL) {
- return tex->tex;
- }
-
- tex = calloc(1, sizeof(struct tex));
- if (tex == NULL) {
- return NULL;
+ struct wlr_texture *tex = gbm_bo_get_user_data(bo);
+ if (tex) {
+ return tex;
}
struct wlr_dmabuf_attributes attribs;
if (!export_drm_bo(bo, &attribs)) {
- free(tex);
return NULL;
}
- tex->tex = wlr_texture_from_dmabuf(renderer->wlr_rend, &attribs);
- if (tex->tex == NULL) {
- free(tex);
- return NULL;
+ tex = wlr_texture_from_dmabuf(renderer->wlr_rend, &attribs);
+ if (tex) {
+ gbm_bo_set_user_data(bo, tex, free_tex);
}
- gbm_bo_set_user_data(bo, tex, free_eglimage);
- return tex->tex;
+ return tex;
}
struct gbm_bo *copy_drm_surface_mgpu(struct wlr_drm_surface *dest,
@@ -238,7 +221,7 @@ struct gbm_bo *copy_drm_surface_mgpu(struct wlr_drm_surface *dest,
assert(tex);
float mat[9];
- wlr_matrix_projection(mat, 1, 1, WL_OUTPUT_TRANSFORM_FLIPPED_180);
+ wlr_matrix_projection(mat, 1, 1, WL_OUTPUT_TRANSFORM_NORMAL);
struct wlr_renderer *renderer = dest->renderer->wlr_rend;
wlr_renderer_begin(renderer, dest->width, dest->height);
diff --git a/backend/drm/util.c b/backend/drm/util.c
index baacbfa8..050da2a6 100644
--- a/backend/drm/util.c
+++ b/backend/drm/util.c
@@ -144,6 +144,9 @@ const char *conn_get_name(uint32_t type_id) {
case DRM_MODE_CONNECTOR_eDP: return "eDP";
case DRM_MODE_CONNECTOR_VIRTUAL: return "Virtual";
case DRM_MODE_CONNECTOR_DSI: return "DSI";
+#ifdef DRM_MODE_CONNECTOR_DPI
+ case DRM_MODE_CONNECTOR_DPI: return "DPI";
+#endif
default: return "Unknown";
}
}
@@ -225,9 +228,6 @@ static bool match_obj_(struct match_state *st, size_t skips, size_t score, size_
st->replaced = replaced;
memcpy(st->best, st->res, sizeof(st->best[0]) * st->num_res);
- if (st->score == st->num_objs && st->replaced == 0) {
- st->exit_early = true;
- }
st->exit_early = (st->score == st->num_res - skips
|| st->score == st->num_objs)
&& st->replaced == 0;
@@ -247,37 +247,44 @@ static bool match_obj_(struct match_state *st, size_t skips, size_t score, size_
* Attempt to use the current solution first, to try and avoid
* recalculating everything
*/
-
if (st->orig[i] != UNMATCHED && !is_taken(i, st->res, st->orig[i])) {
st->res[i] = st->orig[i];
if (match_obj_(st, skips, score + 1, replaced, i + 1)) {
return true;
}
}
+ if (st->orig[i] == UNMATCHED) {
+ st->res[i] = UNMATCHED;
+ match_obj_(st, skips, score, replaced, i + 1);
+ if (st->exit_early) {
+ return true;
+ }
+ }
if (st->orig[i] != UNMATCHED) {
++replaced;
}
- bool is_best = false;
- for (st->res[i] = 0; st->res[i] < st->num_objs; ++st->res[i]) {
+ bool has_best = false;
+ for (size_t candidate = 0; candidate < st->num_objs; ++candidate) {
// We tried this earlier
- if (st->res[i] == st->orig[i]) {
+ if (candidate == st->orig[i]) {
continue;
}
// Not compatible
- if (!(st->objs[st->res[i]] & (1 << i))) {
+ if (!(st->objs[candidate] & (1 << i))) {
continue;
}
// Already taken
- if (is_taken(i, st->res, st->res[i])) {
+ if (is_taken(i, st->res, candidate)) {
continue;
}
+ st->res[i] = candidate;
if (match_obj_(st, skips, score + 1, replaced, i + 1)) {
- is_best = true;
+ has_best = true;
}
if (st->exit_early) {
@@ -285,7 +292,7 @@ static bool match_obj_(struct match_state *st, size_t skips, size_t score, size_
}
}
- if (is_best) {
+ if (has_best) {
return true;
}
@@ -298,6 +305,9 @@ size_t match_obj(size_t num_objs, const uint32_t objs[static restrict num_objs],
size_t num_res, const uint32_t res[static restrict num_res],
uint32_t out[static restrict num_res]) {
uint32_t solution[num_res];
+ for (size_t i = 0; i < num_res; ++i) {
+ solution[i] = UNMATCHED;
+ }
struct match_state st = {
.num_objs = num_objs,