drm: Allow to add additional modes
This allows to add additional modes to the list of available video modes using VESA Coordinated Video Timing information. Closes #1080
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159835de24
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@ -566,6 +566,33 @@ error_conn:
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return false;
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}
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bool wlr_drm_connector_add_mode(struct wlr_output *output,
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const drmModeModeInfo *modeinfo) {
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struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
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assert(modeinfo);
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if (modeinfo->type != DRM_MODE_TYPE_USERDEF) {
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return false;
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}
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struct wlr_drm_mode *mode = calloc(1, sizeof(*mode));
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if (!mode) {
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return false;
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}
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memcpy(&mode->drm_mode, modeinfo, sizeof(*modeinfo));
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mode->wlr_mode.width = mode->drm_mode.hdisplay;
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mode->wlr_mode.height = mode->drm_mode.vdisplay;
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mode->wlr_mode.refresh = mode->drm_mode.vrefresh;
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wlr_log(L_INFO, "Registered custom mode "
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"%"PRId32"x%"PRId32"@%"PRId32,
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mode->wlr_mode.width, mode->wlr_mode.height,
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mode->wlr_mode.refresh);
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wl_list_insert(&conn->output.modes, &mode->wlr_mode.link);
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return true;
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}
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static void drm_connector_transform(struct wlr_output *output,
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enum wl_output_transform transform) {
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output->transform = transform;
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@ -143,5 +143,9 @@ void restore_drm_outputs(struct wlr_drm_backend *drm);
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void scan_drm_connectors(struct wlr_drm_backend *state);
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int handle_drm_event(int fd, uint32_t mask, void *data);
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void enable_drm_connector(struct wlr_output *output, bool enable);
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/**
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* Add mode to the list of available modes
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*/
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bool wlr_drm_connector_add_mode(struct wlr_output *output, const drmModeModeInfo *mode);
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#endif
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