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https://gitlab.freedesktop.org/mesa/drm.git
synced 2026-05-01 03:28:00 +02:00
modetest: Handle setting modes on multiple crtcs with one fb.
This commit is contained in:
Kristian Høgsberg
parent
d9c55a6bec
commit
669fde3472
1 changed files with 70 additions and 40 deletions
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@ -242,18 +242,21 @@ void dump_framebuffers(void)
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* Then you need to find the encoder attached to that connector so you
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* can bind it with a free crtc.
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*/
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void set_mode(int connector_id, char *mode_str)
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struct connector {
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int id;
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char mode_str[64];
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struct drm_mode_modeinfo *mode;
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drmModeEncoder *encoder;
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};
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static void
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connector_find_mode(struct connector *c)
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{
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drmModeConnector *connector;
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drmModeEncoder *encoder = NULL;
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struct drm_mode_modeinfo *mode = NULL;
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drm_intel_bufmgr *bufmgr;
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drm_intel_bo *bo;
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unsigned int fb_id, *fb_ptr;
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int i, j, size, ret, width, height;
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div_t d;
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/* First, find the connector & mode */
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c->mode = NULL;
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for (i = 0; i < resources->count_connectors; i++) {
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connector = drmModeGetConnector(fd, resources->connectors[i]);
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@ -269,47 +272,68 @@ void set_mode(int connector_id, char *mode_str)
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continue;
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}
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if (connector->connector_id != connector_id) {
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if (connector->connector_id != c->id) {
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drmModeFreeConnector(connector);
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continue;
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}
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for (j = 0; j < connector->count_modes; j++) {
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mode = &connector->modes[j];
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if (!strcmp(mode->name, mode_str))
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c->mode = &connector->modes[j];
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if (!strcmp(c->mode->name, c->mode_str))
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break;
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}
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/* Found it, break out */
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if (mode)
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if (c->mode)
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break;
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drmModeFreeConnector(connector);
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}
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if (!mode) {
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fprintf(stderr, "failed to find mode \"%s\"\n", mode_str);
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if (!c->mode) {
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fprintf(stderr, "failed to find mode \"%s\"\n", c->mode_str);
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return;
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}
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width = mode->hdisplay;
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height = mode->vdisplay;
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/* Now get the encoder */
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for (i = 0; i < resources->count_encoders; i++) {
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encoder = drmModeGetEncoder(fd, resources->encoders[i]);
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c->encoder = drmModeGetEncoder(fd, resources->encoders[i]);
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if (!encoder) {
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if (!c->encoder) {
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fprintf(stderr, "could not get encoder %i: %s\n",
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resources->encoders[i], strerror(errno));
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drmModeFreeEncoder(encoder);
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drmModeFreeEncoder(c->encoder);
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continue;
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}
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if (encoder->encoder_id == connector->encoder_id)
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if (c->encoder->encoder_id == connector->encoder_id)
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break;
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drmModeFreeEncoder(encoder);
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drmModeFreeEncoder(c->encoder);
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}
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}
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static void
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set_mode(struct connector *c, int count)
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{
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drmModeConnector *connector;
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drmModeEncoder *encoder = NULL;
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struct drm_mode_modeinfo *mode = NULL;
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drm_intel_bufmgr *bufmgr;
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drm_intel_bo *bo;
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unsigned int fb_id, *fb_ptr;
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int i, j, size, ret, width, height, x;
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div_t d;
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width = 0;
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height = 0;
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for (i = 0; i < count; i++) {
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connector_find_mode(&c[i]);
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if (c[i].mode == NULL)
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continue;
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width += c[i].mode->hdisplay;
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if (height < c[i].mode->vdisplay)
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height = c[i].mode->vdisplay;
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}
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bufmgr = drm_intel_bufmgr_gem_init(fd, 2<<20);
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@ -350,11 +374,18 @@ void set_mode(int connector_id, char *mode_str)
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return;
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}
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ret = drmModeSetCrtc(fd, encoder->crtc_id, fb_id, 0, 0,
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&connector->connector_id, 1, mode);
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if (ret) {
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fprintf(stderr, "failed to set mode: %s\n", strerror(errno));
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return;
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x = 0;
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for (i = 0; i < count; i++) {
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if (c[i].mode == NULL)
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continue;
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ret = drmModeSetCrtc(fd, c[i].encoder->crtc_id, fb_id, x, 0,
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&c[i].id, 1, c[i].mode);
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x += c[i].mode->hdisplay;
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if (ret) {
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fprintf(stderr, "failed to set mode: %s\n", strerror(errno));
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return;
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}
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}
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}
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@ -383,8 +414,9 @@ int main(int argc, char **argv)
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int encoders = 0, connectors = 0, crtcs = 0, framebuffers = 0;
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char *modules[] = { "i915", "radeon" };
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char *modeset = NULL, *mode, *connector;
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int i, connector_id;
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int i, connector_id, count = 0;
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struct connector con_args[2];
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opterr = 0;
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while ((c = getopt(argc, argv, optstr)) != -1) {
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switch (c) {
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@ -405,6 +437,14 @@ int main(int argc, char **argv)
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break;
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case 's':
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modeset = strdup(optarg);
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if (sscanf(optarg, "%d:%64s",
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&con_args[count].id,
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&con_args[count].mode_str) != 2)
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usage(argv[0]);
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printf("setting mode %s on connector %d\n",
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con_args[count].mode_str,
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con_args[count].id);
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count++;
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break;
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default:
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usage(argv[0]);
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@ -444,18 +484,8 @@ int main(int argc, char **argv)
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dump_resource(crtcs);
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dump_resource(framebuffers);
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if (modeset) {
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connector = strtok(modeset, ":");
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if (!connector)
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usage(argv[0]);
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connector_id = atoi(connector);
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mode = strtok(NULL, ":");
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if (!mode)
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usage(argv[0]);
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printf("setting connector %d to mode %s\n", connector_id,
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mode);
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set_mode(connector_id, mode);
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if (count > 0) {
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set_mode(con_args, count);
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sleep(3);
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}
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