49  * drm_mode_debug_printmodeline - print a mode to dmesg
50  * @mode: mode to print
52  * Describe @mode using DRM_DEBUG.
54 void drm_mode_debug_printmodeline(const struct drm_display_mode *mode)  in drm_mode_debug_printmodeline()  argument
56 	DRM_DEBUG_KMS("Modeline " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));  in drm_mode_debug_printmodeline()
61  * drm_mode_create - create a new display mode
68  * Pointer to new mode on success, NULL on error.
83  * drm_mode_destroy - remove a mode
85  * @mode: mode to remove
87  * Release @mode's unique ID, then free it @mode structure itself using kfree.
89 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)  in drm_mode_destroy()  argument
91 	if (!mode)  in drm_mode_destroy()
94 	kfree(mode);  in drm_mode_destroy()
99  * drm_mode_probed_add - add a mode to a connector's probed_mode list
100  * @connector: connector the new mode
101  * @mode: mode data
103  * Add @mode to @connector's probed_mode list for later use. This list should
108 			 struct drm_display_mode *mode)  in drm_mode_probed_add()  argument
112 	list_add_tail(&mode->head, &connector->probed_modes);  in drm_mode_probed_add()
123  * @interlaced: whether to compute an interlaced mode
137  * The display mode object is allocated with drm_mode_create(). Returns NULL
138  * when no mode could be allocated.
326 	/* ignore - just set the mode flag for interlaced */  in drm_cvt_mode()
331 	/* Fill the mode line name */  in drm_cvt_mode()
350  * @interlaced: whether to compute an interlaced mode
362  * The display mode object is allocated with drm_mode_create(). Returns NULL
363  * when no mode could be allocated.
509 	/* finally, pack the results in the mode struct */  in drm_gtf_mode_complex()
542  * @interlaced: whether to compute an interlaced mode
567  * The display mode object is allocated with drm_mode_create(). Returns NULL
568  * when no mode could be allocated.
586  * Fills out @dmode using the display mode specified in @vm.
627  * Fills out @vm using the display mode specified in @dmode.
701  * This function is expensive and should only be used, if only one mode is to be
723 	pr_debug("%pOF: got %dx%d display mode\n",  in of_get_drm_display_mode()
734  * drm_mode_set_name - set the name on a mode
735  * @mode: name will be set in this mode
737  * Set the name of @mode to a standard format which is <hdisplay>x<vdisplay>
740 void drm_mode_set_name(struct drm_display_mode *mode)  in drm_mode_set_name()  argument
742 	bool interlaced = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);  in drm_mode_set_name()
744 	snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d%s",  in drm_mode_set_name()
745 		 mode->hdisplay, mode->vdisplay,  in drm_mode_set_name()
751  * drm_mode_vrefresh - get the vrefresh of a mode
752  * @mode: mode
758 int drm_mode_vrefresh(const struct drm_display_mode *mode)  in drm_mode_vrefresh()  argument
762 	if (mode->htotal == 0 || mode->vtotal == 0)  in drm_mode_vrefresh()
765 	num = mode->clock;  in drm_mode_vrefresh()
766 	den = mode->htotal * mode->vtotal;  in drm_mode_vrefresh()
768 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)  in drm_mode_vrefresh()
770 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)  in drm_mode_vrefresh()
772 	if (mode->vscan > 1)  in drm_mode_vrefresh()
773 		den *= mode->vscan;  in drm_mode_vrefresh()
780  * drm_mode_get_hv_timing - Fetches hdisplay/vdisplay for given mode
781  * @mode: mode to query
785  * The vdisplay value will be doubled if the specified mode is a stereo mode of
788 void drm_mode_get_hv_timing(const struct drm_display_mode *mode,  in drm_mode_get_hv_timing()  argument
791 	struct drm_display_mode adjusted = *mode;  in drm_mode_get_hv_timing()
801  * @p: mode
879  * drm_mode_copy - copy the mode
880  * @dst: mode to overwrite
881  * @src: mode to copy
883  * Copy an existing mode into another mode, preserving the object id and
884  * list head of the destination mode.
896  * drm_mode_duplicate - allocate and duplicate an existing mode
897  * @dev: drm_device to allocate the duplicated mode for
898  * @mode: mode to duplicate
900  * Just allocate a new mode, copy the existing mode into it, and return
904  * Pointer to duplicated mode on success, NULL on error.
907 					    const struct drm_display_mode *mode)  in drm_mode_duplicate()  argument
915 	drm_mode_copy(nmode, mode);  in drm_mode_duplicate()
971  * @mode1: first mode
972  * @mode2: second mode
1016  * @mode1: first mode
1017  * @mode2: second mode
1038  * @mode1: first mode
1039  * @mode2: second mode
1059  * @mode1: first mode
1060  * @mode2: second mode
1078 drm_mode_validate_basic(const struct drm_display_mode *mode)  in drm_mode_validate_basic()  argument
1080 	if (mode->type & ~DRM_MODE_TYPE_ALL)  in drm_mode_validate_basic()
1083 	if (mode->flags & ~DRM_MODE_FLAG_ALL)  in drm_mode_validate_basic()
1086 	if ((mode->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX)  in drm_mode_validate_basic()
1089 	if (mode->clock == 0)  in drm_mode_validate_basic()
1092 	if (mode->hdisplay == 0 ||  in drm_mode_validate_basic()
1093 	    mode->hsync_start < mode->hdisplay ||  in drm_mode_validate_basic()
1094 	    mode->hsync_end < mode->hsync_start ||  in drm_mode_validate_basic()
1095 	    mode->htotal < mode->hsync_end)  in drm_mode_validate_basic()
1098 	if (mode->vdisplay == 0 ||  in drm_mode_validate_basic()
1099 	    mode->vsync_start < mode->vdisplay ||  in drm_mode_validate_basic()
1100 	    mode->vsync_end < mode->vsync_start ||  in drm_mode_validate_basic()
1101 	    mode->vtotal < mode->vsync_end)  in drm_mode_validate_basic()
1108  * drm_mode_validate_driver - make sure the mode is somewhat sane
1110  * @mode: mode to check
1112  * First do basic validation on the mode, and then allow the driver
1117  * The mode status
1121 			const struct drm_display_mode *mode)  in drm_mode_validate_driver()  argument
1125 	status = drm_mode_validate_basic(mode);  in drm_mode_validate_driver()
1130 		return dev->mode_config.funcs->mode_valid(dev, mode);  in drm_mode_validate_driver()
1138  * @mode: mode to check
1143  * limitations of the DRM device/connector. If a mode is too big its status
1148  * The mode status
1151 drm_mode_validate_size(const struct drm_display_mode *mode,  in drm_mode_validate_size()  argument
1154 	if (maxX > 0 && mode->hdisplay > maxX)  in drm_mode_validate_size()
1157 	if (maxY > 0 && mode->vdisplay > maxY)  in drm_mode_validate_size()
1166  * @mode: mode to check
1170  * only mode, when the source doesn't support it.
1173  * The mode status
1176 drm_mode_validate_ycbcr420(const struct drm_display_mode *mode,  in drm_mode_validate_ycbcr420()  argument
1180 	    drm_mode_is_420_only(&connector->display_info, mode))  in drm_mode_validate_ycbcr420()
1245  * drm_mode_prune_invalid - remove invalid modes from mode list
1250  * This helper function can be used to prune a display mode list after
1252  * removed from the list, and if @verbose the status code and mode name is also
1258 	struct drm_display_mode *mode, *t;  in drm_mode_prune_invalid()  local
1260 	list_for_each_entry_safe(mode, t, mode_list, head) {  in drm_mode_prune_invalid()
1261 		if (mode->status != MODE_OK) {  in drm_mode_prune_invalid()
1262 			list_del(&mode->head);  in drm_mode_prune_invalid()
1264 				drm_mode_debug_printmodeline(mode);  in drm_mode_prune_invalid()
1265 				DRM_DEBUG_KMS("Not using %s mode: %s\n",  in drm_mode_prune_invalid()
1266 					      mode->name,  in drm_mode_prune_invalid()
1267 					      drm_get_mode_status_name(mode->status));  in drm_mode_prune_invalid()
1269 			drm_mode_destroy(dev, mode);  in drm_mode_prune_invalid()
1278  * @lh_a: list_head for first mode
1279  * @lh_b: list_head for second mode
1312  * drm_mode_sort - sort mode list
1324  * drm_connector_list_update - update the mode list for the connector
1328  * to the actual mode list. It compares the probed mode against the current
1341 		struct drm_display_mode *mode;  in drm_connector_list_update()  local
1344 		/* go through current modes checking for the new probed mode */  in drm_connector_list_update()
1345 		list_for_each_entry(mode, &connector->modes, head) {  in drm_connector_list_update()
1346 			if (!drm_mode_equal(pmode, mode))  in drm_connector_list_update()
1352 			 * If the old matching mode is stale (ie. left over  in drm_connector_list_update()
1361 			 * the mode added to the probed_modes list first.  in drm_connector_list_update()
1363 			if (mode->status == MODE_STALE) {  in drm_connector_list_update()
1364 				drm_mode_copy(mode, pmode);  in drm_connector_list_update()
1365 			} else if ((mode->type & DRM_MODE_TYPE_PREFERRED) == 0 &&  in drm_connector_list_update()
1367 				pmode->type |= mode->type;  in drm_connector_list_update()
1368 				drm_mode_copy(mode, pmode);  in drm_connector_list_update()
1370 				mode->type |= pmode->type;  in drm_connector_list_update()
1386 				      struct drm_cmdline_mode *mode)  in drm_mode_parse_cmdline_bpp()  argument
1398 	mode->bpp = bpp;  in drm_mode_parse_cmdline_bpp()
1399 	mode->bpp_specified = true;  in drm_mode_parse_cmdline_bpp()
1405 					  struct drm_cmdline_mode *mode)  in drm_mode_parse_cmdline_refresh()  argument
1417 	mode->refresh = refresh;  in drm_mode_parse_cmdline_refresh()
1418 	mode->refresh_specified = true;  in drm_mode_parse_cmdline_refresh()
1426 					struct drm_cmdline_mode *mode)  in drm_mode_parse_cmdline_extra()  argument
1436 			mode->interlace = true;  in drm_mode_parse_cmdline_extra()
1442 			mode->margins = true;  in drm_mode_parse_cmdline_extra()
1445 			if (mode->force != DRM_FORCE_UNSPECIFIED)  in drm_mode_parse_cmdline_extra()
1450 				mode->force = DRM_FORCE_ON;  in drm_mode_parse_cmdline_extra()
1452 				mode->force = DRM_FORCE_ON_DIGITAL;  in drm_mode_parse_cmdline_extra()
1455 			if (mode->force != DRM_FORCE_UNSPECIFIED)  in drm_mode_parse_cmdline_extra()
1458 			mode->force = DRM_FORCE_OFF;  in drm_mode_parse_cmdline_extra()
1461 			if (mode->force != DRM_FORCE_UNSPECIFIED)  in drm_mode_parse_cmdline_extra()
1464 			mode->force = DRM_FORCE_ON;  in drm_mode_parse_cmdline_extra()
1477 					   struct drm_cmdline_mode *mode)  in drm_mode_parse_cmdline_res_mode()  argument
1521 								       mode);  in drm_mode_parse_cmdline_res_mode()
1530 	mode->xres = xres;  in drm_mode_parse_cmdline_res_mode()
1531 	mode->yres = yres;  in drm_mode_parse_cmdline_res_mode()
1532 	mode->cvt = cvt;  in drm_mode_parse_cmdline_res_mode()
1533 	mode->rb = rb;  in drm_mode_parse_cmdline_res_mode()
1562 					    struct drm_cmdline_mode *mode)  in drm_mode_parse_panel_orientation()  argument
1575 		mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL;  in drm_mode_parse_panel_orientation()
1577 		mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP;  in drm_mode_parse_panel_orientation()
1579 		mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP;  in drm_mode_parse_panel_orientation()
1581 		mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP;  in drm_mode_parse_panel_orientation()
1591 					  struct drm_cmdline_mode *mode)  in drm_mode_parse_cmdline_options()  argument
1638 			mode->tv_margins.right = margin;  in drm_mode_parse_cmdline_options()
1643 			mode->tv_margins.left = margin;  in drm_mode_parse_cmdline_options()
1648 			mode->tv_margins.top = margin;  in drm_mode_parse_cmdline_options()
1653 			mode->tv_margins.bottom = margin;  in drm_mode_parse_cmdline_options()
1655 			if (drm_mode_parse_panel_orientation(delim, mode))  in drm_mode_parse_cmdline_options()
1674 	mode->rotation_reflection = rotation;  in drm_mode_parse_cmdline_options()
1686  * @mode_option: optional per connector mode option
1688  * @mode: preallocated drm_cmdline_mode structure to fill out
1699  * Additionals options can be provided following the mode, using a comma to
1711 					       struct drm_cmdline_mode *mode)  in drm_mode_parse_command_line_for_connector()  argument
1722 	memset(mode, 0, sizeof(*mode));  in drm_mode_parse_command_line_for_connector()
1723 	mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN;  in drm_mode_parse_command_line_for_connector()
1757 	/* First check for a named mode */  in drm_mode_parse_command_line_for_connector()
1764 			strcpy(mode->name, drm_named_modes_whitelist[i]);  in drm_mode_parse_command_line_for_connector()
1765 			mode->specified = true;  in drm_mode_parse_command_line_for_connector()
1770 	/* No named mode? Check for a normal mode argument, e.g. 1024x768 */  in drm_mode_parse_command_line_for_connector()
1771 	if (!mode->specified && isdigit(name[0])) {  in drm_mode_parse_command_line_for_connector()
1775 						      mode);  in drm_mode_parse_command_line_for_connector()
1779 		mode->specified = true;  in drm_mode_parse_command_line_for_connector()
1782 	/* No mode? Check for freestanding extras and/or options */  in drm_mode_parse_command_line_for_connector()
1783 	if (!mode->specified) {  in drm_mode_parse_command_line_for_connector()
1798 		ret = drm_mode_parse_cmdline_bpp(bpp_ptr, &bpp_end_ptr, mode);  in drm_mode_parse_command_line_for_connector()
1802 		mode->bpp_specified = true;  in drm_mode_parse_command_line_for_connector()
1807 						     &refresh_end_ptr, mode);  in drm_mode_parse_command_line_for_connector()
1811 		mode->refresh_specified = true;  in drm_mode_parse_command_line_for_connector()
1832 						   connector, mode);  in drm_mode_parse_command_line_for_connector()
1840 						     connector, mode);  in drm_mode_parse_command_line_for_connector()
1850  * drm_mode_create_from_cmdline_mode - convert a command line modeline into a DRM display mode
1851  * @dev: DRM device to create the new mode for
1855  * Pointer to converted mode on success, NULL on error.
1861 	struct drm_display_mode *mode;  in drm_mode_create_from_cmdline_mode()  local
1867 		mode = drm_cvt_mode(dev,  in drm_mode_create_from_cmdline_mode()
1873 		mode = drm_gtf_mode(dev,  in drm_mode_create_from_cmdline_mode()
1878 	if (!mode)  in drm_mode_create_from_cmdline_mode()
1881 	mode->type |= DRM_MODE_TYPE_USERDEF;  in drm_mode_create_from_cmdline_mode()
1884 		drm_mode_fixup_1366x768(mode);  in drm_mode_create_from_cmdline_mode()
1885 	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);  in drm_mode_create_from_cmdline_mode()
1886 	return mode;  in drm_mode_create_from_cmdline_mode()
1930 		WARN(1, "Invalid aspect ratio (0%x) on mode\n",  in drm_mode_convert_to_umode()
1985 	 * flags for kernel-mode, but in picture_aspect_ratio.  in drm_mode_convert_umode()
2023  * @mode: video mode to be tested.
2026  * true if the mode can be supported in YCBCR420 format
2030 			  const struct drm_display_mode *mode)  in drm_mode_is_420_only()  argument
2032 	u8 vic = drm_match_cea_mode(mode);  in drm_mode_is_420_only()
2043  * @mode: video mode to be tested.
2046  * true if the mode can be support YCBCR420 format
2050 			  const struct drm_display_mode *mode)  in drm_mode_is_420_also()  argument
2052 	u8 vic = drm_match_cea_mode(mode);  in drm_mode_is_420_also()
2062  * @mode: video mode to be tested.
2065  * true if the mode can be supported in YCBCR420 format
2069 		     const struct drm_display_mode *mode)  in drm_mode_is_420()  argument
2071 	return drm_mode_is_420_only(display, mode) ||  in drm_mode_is_420()
2072 		drm_mode_is_420_also(display, mode);  in drm_mode_is_420()