39 #define version_greater(edid, maj, min) \  argument
40 	(((edid)->version > (maj)) || \
41 	 ((edid)->version == (maj) && (edid)->revision > (min)))
79 	struct edid *edid;  member
1051 			      struct edid *edid);
1087 	struct edid *edid = (struct edid *)raw_edid;  in drm_edid_block_valid()  local
1134 		if (edid->version != 1) {  in drm_edid_block_valid()
1135 			DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version);  in drm_edid_block_valid()
1139 		if (edid->revision > 4)  in drm_edid_block_valid()
1171 bool drm_edid_is_valid(struct edid *edid)  in drm_edid_is_valid()  argument
1174 	u8 *raw = (u8 *)edid;  in drm_edid_is_valid()
1176 	if (!edid)  in drm_edid_is_valid()
1179 	for (i = 0; i <= edid->extensions; i++)  in drm_edid_is_valid()
1267 struct edid *drm_do_get_edid(struct drm_connector *connector,  in drm_do_get_edid()
1296 		return (struct edid *)block;  in drm_do_get_edid()
1336 	return (struct edid *)block;  in drm_do_get_edid()
1376 struct edid *drm_get_edid(struct drm_connector *connector,  in drm_get_edid()
1379 	struct edid *edid;  in drm_get_edid()  local
1384 	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);  in drm_get_edid()
1385 	if (edid)  in drm_get_edid()
1386 		drm_get_displayid(connector, edid);  in drm_get_edid()
1387 	return edid;  in drm_get_edid()
1397 struct edid *drm_edid_duplicate(const struct edid *edid)  in drm_edid_duplicate()  argument
1399 	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);  in drm_edid_duplicate()
1412 static bool edid_vendor(struct edid *edid, char *vendor)  in edid_vendor()  argument
1416 	edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';  in edid_vendor()
1417 	edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |  in edid_vendor()
1418 			  ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';  in edid_vendor()
1419 	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';  in edid_vendor()
1430 static u32 edid_get_quirks(struct edid *edid)  in edid_get_quirks()  argument
1438 		if (edid_vendor(edid, quirk->vendor) &&  in edid_get_quirks()
1439 		    (EDID_PRODUCT_ID(edid) == quirk->product_id))  in edid_get_quirks()
1576 	struct edid *edid = (struct edid *)raw_edid;  in drm_for_each_detailed_block()  local
1578 	if (edid == NULL)  in drm_for_each_detailed_block()
1582 		cb(&(edid->detailed_timings[i]), closure);  in drm_for_each_detailed_block()
1610 drm_monitor_supports_rb(struct edid *edid)  in drm_monitor_supports_rb()  argument
1612 	if (edid->revision >= 4) {  in drm_monitor_supports_rb()
1614 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);  in drm_monitor_supports_rb()
1618 	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);  in drm_monitor_supports_rb()
1631 drm_gtf2_hbreak(struct edid *edid)  in drm_gtf2_hbreak()  argument
1634 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);  in drm_gtf2_hbreak()
1639 drm_gtf2_2c(struct edid *edid)  in drm_gtf2_2c()  argument
1642 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);  in drm_gtf2_2c()
1647 drm_gtf2_m(struct edid *edid)  in drm_gtf2_m()  argument
1650 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);  in drm_gtf2_m()
1655 drm_gtf2_k(struct edid *edid)  in drm_gtf2_k()  argument
1658 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);  in drm_gtf2_k()
1663 drm_gtf2_2j(struct edid *edid)  in drm_gtf2_2j()  argument
1666 	drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);  in drm_gtf2_2j()
1674 static int standard_timing_level(struct edid *edid)  in standard_timing_level()  argument
1676 	if (edid->revision >= 2) {  in standard_timing_level()
1677 		if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))  in standard_timing_level()
1679 		if (drm_gtf2_hbreak(edid))  in standard_timing_level()
1708 drm_mode_std(struct drm_connector *connector, struct edid *edid,  in drm_mode_std()  argument
1719 	int timing_level = standard_timing_level(edid);  in drm_mode_std()
1730 		if (edid->revision < 3)  in drm_mode_std()
1771 	if (drm_monitor_supports_rb(edid)) {  in drm_mode_std()
1797 		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {  in drm_mode_std()
1801 						    drm_gtf2_m(edid),  in drm_mode_std()
1802 						    drm_gtf2_2c(edid),  in drm_mode_std()
1803 						    drm_gtf2_k(edid),  in drm_mode_std()
1804 						    drm_gtf2_2j(edid));  in drm_mode_std()
1868 						  struct edid *edid,  in drm_mode_detailed()  argument
1956 		mode->width_mm = edid->width_cm * 10;  in drm_mode_detailed()
1957 		mode->height_mm = edid->height_cm * 10;  in drm_mode_detailed()
1969 		    struct edid *edid, u8 *t)  in mode_in_hsync_range()  argument
1974 	if (edid->revision >= 4)  in mode_in_hsync_range()
1977 	if (edid->revision >= 4)  in mode_in_hsync_range()
1986 		    struct edid *edid, u8 *t)  in mode_in_vsync_range()  argument
1991 	if (edid->revision >= 4)  in mode_in_vsync_range()
1994 	if (edid->revision >= 4)  in mode_in_vsync_range()
2002 range_pixel_clock(struct edid *edid, u8 *t)  in range_pixel_clock()  argument
2009 	if (edid->revision >= 4 && t[10] == 0x04)  in range_pixel_clock()
2017 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,  in mode_in_range()  argument
2023 	if (!mode_in_hsync_range(mode, edid, t))  in mode_in_range()
2026 	if (!mode_in_vsync_range(mode, edid, t))  in mode_in_range()
2029 	if ((max_clock = range_pixel_clock(edid, t)))  in mode_in_range()
2034 	if (edid->revision >= 4 && t[10] == 0x04)  in mode_in_range()
2038 	if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))  in mode_in_range()
2063 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,  in drm_dmt_modes_for_range()  argument
2071 		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&  in drm_dmt_modes_for_range()
2098 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,  in drm_gtf_modes_for_range()  argument
2112 		if (!mode_in_range(newmode, edid, timing) ||  in drm_gtf_modes_for_range()
2126 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,  in drm_cvt_modes_for_range()  argument
2132 	bool rb = drm_monitor_supports_rb(edid);  in drm_cvt_modes_for_range()
2141 		if (!mode_in_range(newmode, edid, timing) ||  in drm_cvt_modes_for_range()
2165 						  closure->edid,  in do_inferred_modes()
2168 	if (!version_greater(closure->edid, 1, 1))  in do_inferred_modes()
2175 							  closure->edid,  in do_inferred_modes()
2179 		if (!version_greater(closure->edid, 1, 3))  in do_inferred_modes()
2183 							  closure->edid,  in do_inferred_modes()
2193 add_inferred_modes(struct drm_connector *connector, struct edid *edid)  in add_inferred_modes()  argument
2197 		.edid = edid,  in add_inferred_modes()
2200 	if (version_greater(edid, 1, 0))  in add_inferred_modes()
2201 		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,  in add_inferred_modes()
2255 add_established_modes(struct drm_connector *connector, struct edid *edid)  in add_established_modes()  argument
2258 	unsigned long est_bits = edid->established_timings.t1 |  in add_established_modes()
2259 		(edid->established_timings.t2 << 8) |  in add_established_modes()
2260 		((edid->established_timings.mfg_rsvd & 0x80) << 9);  in add_established_modes()
2264 		.edid = edid,  in add_established_modes()
2278 	if (version_greater(edid, 1, 0))  in add_established_modes()
2279 		    drm_for_each_detailed_block((u8 *)edid,  in add_established_modes()
2291 	struct edid *edid = closure->edid;  in do_standard_modes()  local
2300 			newmode = drm_mode_std(connector, edid, std);  in do_standard_modes()
2318 add_standard_modes(struct drm_connector *connector, struct edid *edid)  in add_standard_modes()  argument
2323 		.edid = edid,  in add_standard_modes()
2329 		newmode = drm_mode_std(connector, edid,  in add_standard_modes()
2330 				       &edid->standard_timings[i]);  in add_standard_modes()
2337 	if (version_greater(edid, 1, 0))  in add_standard_modes()
2338 		drm_for_each_detailed_block((u8 *)edid, do_standard_modes,  in add_standard_modes()
2406 add_cvt_modes(struct drm_connector *connector, struct edid *edid)  in add_cvt_modes()  argument
2410 		.edid = edid,  in add_cvt_modes()
2413 	if (version_greater(edid, 1, 2))  in add_cvt_modes()
2414 		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);  in add_cvt_modes()
2431 					    closure->edid, timing,  in do_detailed_mode()
2459 add_detailed_modes(struct drm_connector *connector, struct edid *edid,  in add_detailed_modes()  argument
2464 		.edid = edid,  in add_detailed_modes()
2469 	if (closure.preferred && !version_greater(edid, 1, 3))  in add_detailed_modes()
2471 		    (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);  in add_detailed_modes()
2473 	drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);  in add_detailed_modes()
2491 static u8 *drm_find_edid_extension(struct edid *edid, int ext_id)  in drm_find_edid_extension()  argument
2497 	if (edid == NULL || edid->extensions == 0)  in drm_find_edid_extension()
2501 	for (i = 0; i < edid->extensions; i++) {  in drm_find_edid_extension()
2502 		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);  in drm_find_edid_extension()
2507 	if (i == edid->extensions)  in drm_find_edid_extension()
2513 static u8 *drm_find_cea_extension(struct edid *edid)  in drm_find_cea_extension()  argument
2515 	return drm_find_edid_extension(edid, CEA_EXT);  in drm_find_cea_extension()
2518 static u8 *drm_find_displayid_extension(struct edid *edid)  in drm_find_displayid_extension()  argument
2520 	return drm_find_edid_extension(edid, DISPLAYID_EXT);  in drm_find_displayid_extension()
2644 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)  in add_alternate_cea_modes()  argument
2652 	if (!drm_find_cea_extension(edid))  in add_alternate_cea_modes()
3075 add_cea_modes(struct drm_connector *connector, struct edid *edid)  in add_cea_modes()  argument
3077 	const u8 *cea = drm_find_cea_extension(edid);  in add_cea_modes()
3209 void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)  in drm_edid_to_eld()  argument
3221 	cea = drm_find_cea_extension(edid);  in drm_edid_to_eld()
3228 	drm_for_each_detailed_block((u8 *)edid, monitor_name, &name);  in drm_edid_to_eld()
3239 	eld[16] = edid->mfg_id[0];  in drm_edid_to_eld()
3240 	eld[17] = edid->mfg_id[1];  in drm_edid_to_eld()
3241 	eld[18] = edid->prod_code[0];  in drm_edid_to_eld()
3242 	eld[19] = edid->prod_code[1];  in drm_edid_to_eld()
3299 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)  in drm_edid_to_sad()  argument
3305 	cea = drm_find_cea_extension(edid);  in drm_edid_to_sad()
3360 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)  in drm_edid_to_speaker_allocation()  argument
3366 	cea = drm_find_cea_extension(edid);  in drm_edid_to_speaker_allocation()
3478 bool drm_detect_hdmi_monitor(struct edid *edid)  in drm_detect_hdmi_monitor()  argument
3484 	edid_ext = drm_find_cea_extension(edid);  in drm_detect_hdmi_monitor()
3516 bool drm_detect_monitor_audio(struct edid *edid)  in drm_detect_monitor_audio()  argument
3523 	edid_ext = drm_find_cea_extension(edid);  in drm_detect_monitor_audio()
3561 bool drm_rgb_quant_range_selectable(struct edid *edid)  in drm_rgb_quant_range_selectable()  argument
3566 	edid_ext = drm_find_cea_extension(edid);  in drm_rgb_quant_range_selectable()
3596 static bool drm_assign_hdmi_deep_color_info(struct edid *edid,  in drm_assign_hdmi_deep_color_info()  argument
3605 	edid_ext = drm_find_cea_extension(edid);  in drm_assign_hdmi_deep_color_info()
3696 static void drm_add_display_info(struct edid *edid,  in drm_add_display_info()  argument
3702 	info->width_mm = edid->width_cm * 10;  in drm_add_display_info()
3703 	info->height_mm = edid->height_cm * 10;  in drm_add_display_info()
3709 	if (edid->revision < 3)  in drm_add_display_info()
3712 	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))  in drm_add_display_info()
3716 	edid_ext = drm_find_cea_extension(edid);  in drm_add_display_info()
3729 	drm_assign_hdmi_deep_color_info(edid, info, connector);  in drm_add_display_info()
3732 	if (edid->revision < 4)  in drm_add_display_info()
3735 	switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {  in drm_add_display_info()
3764 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)  in drm_add_display_info()
3766 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)  in drm_add_display_info()
3779 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)  in drm_add_edid_modes()  argument
3784 	if (edid == NULL) {  in drm_add_edid_modes()
3787 	if (!drm_edid_is_valid(edid)) {  in drm_add_edid_modes()
3793 	quirks = edid_get_quirks(edid);  in drm_add_edid_modes()
3809 	num_modes += add_detailed_modes(connector, edid, quirks);  in drm_add_edid_modes()
3810 	num_modes += add_cvt_modes(connector, edid);  in drm_add_edid_modes()
3811 	num_modes += add_standard_modes(connector, edid);  in drm_add_edid_modes()
3812 	num_modes += add_established_modes(connector, edid);  in drm_add_edid_modes()
3813 	num_modes += add_cea_modes(connector, edid);  in drm_add_edid_modes()
3814 	num_modes += add_alternate_cea_modes(connector, edid);  in drm_add_edid_modes()
3815 	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)  in drm_add_edid_modes()
3816 		num_modes += add_inferred_modes(connector, edid);  in drm_add_edid_modes()
3821 	drm_add_display_info(edid, &connector->display_info, connector);  in drm_add_edid_modes()
4116 			      struct edid *edid)  in drm_get_displayid()  argument
4121 	displayid = drm_find_displayid_extension(edid);  in drm_get_displayid()