/*
+ * Copyright (c) 2006 Luc Verhaegen (quirks list)
* Copyright (c) 2007 Intel Corporation
* Jesse Barnes <jesse.barnes@intel.com>
*
* DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
* FB layer.
* Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*/
+#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include "drmP.h"
#include "drm_edid.h"
+/*
+ * TODO:
+ * - support EDID 1.4
+ * - port quirks from X server code
+ */
+
+/*
+ * EDID blocks out in the wild have a variety of bugs, try to collect
+ * them here (note that userspace may work around broken monitors first,
+ * but fixes should make their way here so that the kernel "just works"
+ * on as many displays as possible).
+ */
+
+/* First detailed mode wrong, use largest 60Hz mode */
+#define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
+/* Reported 135MHz pixel clock is too high, needs adjustment */
+#define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
+/* Prefer the largest mode at 75 Hz */
+#define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
+/* Detail timing is in cm not mm */
+#define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
+/* Detailed timing descriptors have bogus size values, so just take the
+ * maximum size and use that.
+ */
+#define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
+/* Monitor forgot to set the first detailed is preferred bit. */
+#define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5)
+/* use +hsync +vsync for detailed mode */
+#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
+
+static struct edid_quirk {
+ char *vendor;
+ int product_id;
+ u32 quirks;
+} edid_quirk_list[] = {
+ /* Acer AL1706 */
+ { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
+ /* Acer F51 */
+ { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
+ /* Unknown Acer */
+ { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
+
+ /* Belinea 10 15 55 */
+ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
+ { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
+
+ /* Envision Peripherals, Inc. EN-7100e */
+ { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
+
+ /* Funai Electronics PM36B */
+ { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
+ EDID_QUIRK_DETAILED_IN_CM },
+
+ /* LG Philips LCD LP154W01-A5 */
+ { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
+ { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
+
+ /* Philips 107p5 CRT */
+ { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
+
+ /* Proview AY765C */
+ { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
+
+ /* Samsung SyncMaster 205BW. Note: irony */
+ { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
+ /* Samsung SyncMaster 22[5-6]BW */
+ { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
+ { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
+};
+
+
/* Valid EDID header has these bytes */
static u8 edid_header[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 };
/**
- * edid_valid - sanity check EDID data
+ * edid_is_valid - sanity check EDID data
* @edid: EDID data
*
* Sanity check the EDID block by looking at the header, the version number
* and the checksum. Return 0 if the EDID doesn't check out, or 1 if it's
* valid.
*/
-static bool edid_valid(struct edid *edid)
+static bool edid_is_valid(struct edid *edid)
{
int i;
u8 csum = 0;
if (memcmp(edid->header, edid_header, sizeof(edid_header)))
goto bad;
- if (edid->version != 1)
+ if (edid->version != 1) {
+ DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version);
goto bad;
- if (edid->revision <= 0 || edid->revision > 3)
+ }
+ if (edid->revision <= 0 || edid->revision > 3) {
+ DRM_ERROR("EDID has minor version %d, which is not between 0-3\n", edid->revision);
goto bad;
+ }
for (i = 0; i < EDID_LENGTH; i++)
csum += raw_edid[i];
- if (csum)
+ if (csum) {
+ DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum);
goto bad;
+ }
return 1;
bad:
+ if (raw_edid) {
+ DRM_ERROR("Raw EDID:\n");
+ print_hex_dump_bytes(KERN_ERR, DUMP_PREFIX_NONE, raw_edid, EDID_LENGTH);
+ printk("\n");
+ }
+ return 0;
+}
+
+/**
+ * edid_vendor - match a string against EDID's obfuscated vendor field
+ * @edid: EDID to match
+ * @vendor: vendor string
+ *
+ * Returns true if @vendor is in @edid, false otherwise
+ */
+static bool edid_vendor(struct edid *edid, char *vendor)
+{
+ char edid_vendor[3];
+
+ edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
+ edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
+ ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
+ edid_vendor[2] = (edid->mfg_id[2] & 0x1f) + '@';
+
+ return !strncmp(edid_vendor, vendor, 3);
+}
+
+/**
+ * edid_get_quirks - return quirk flags for a given EDID
+ * @edid: EDID to process
+ *
+ * This tells subsequent routines what fixes they need to apply.
+ */
+static u32 edid_get_quirks(struct edid *edid)
+{
+ struct edid_quirk *quirk;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
+ quirk = &edid_quirk_list[i];
+
+ if (edid_vendor(edid, quirk->vendor) &&
+ (EDID_PRODUCT_ID(edid) == quirk->product_id))
+ return quirk->quirks;
+ }
+
return 0;
}
+#define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
+#define MODE_REFRESH_DIFF(m,r) (abs((m)->vrefresh - target_refresh))
+
+
+/**
+ * edid_fixup_preferred - set preferred modes based on quirk list
+ * @connector: has mode list to fix up
+ * @quirks: quirks list
+ *
+ * Walk the mode list for @connector, clearing the preferred status
+ * on existing modes and setting it anew for the right mode ala @quirks.
+ */
+static void edid_fixup_preferred(struct drm_connector *connector,
+ u32 quirks)
+{
+ struct drm_display_mode *t, *cur_mode, *preferred_mode;
+ int target_refresh;
+
+ if (list_empty(&connector->probed_modes))
+ return;
+
+ if (quirks & EDID_QUIRK_PREFER_LARGE_60)
+ target_refresh = 60;
+ if (quirks & EDID_QUIRK_PREFER_LARGE_75)
+ target_refresh = 75;
+
+ preferred_mode = list_first_entry(&connector->probed_modes,
+ struct drm_display_mode, head);
+
+ list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
+ cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
+
+ if (cur_mode == preferred_mode)
+ continue;
+
+ /* Largest mode is preferred */
+ if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
+ preferred_mode = cur_mode;
+
+ /* At a given size, try to get closest to target refresh */
+ if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
+ MODE_REFRESH_DIFF(cur_mode, target_refresh) <
+ MODE_REFRESH_DIFF(preferred_mode, target_refresh)) {
+ preferred_mode = cur_mode;
+ }
+ }
+
+ preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
+}
+
/**
* drm_mode_std - convert standard mode info (width, height, refresh) into mode
* @t: standard timing params
/**
* drm_mode_detailed - create a new mode from an EDID detailed timing section
+ * @dev: DRM device (needed to create new mode)
+ * @edid: EDID block
* @timing: EDID detailed timing info
- * @preferred: is this a preferred mode?
+ * @quirks: quirks to apply
*
* An EDID detailed timing block contains enough info for us to create and
- * return a new struct drm_display_mode. The @preferred flag will be set
- * if this is the display's preferred timing, and we'll use it to indicate
- * to the other layers that this mode is desired.
+ * return a new struct drm_display_mode.
*/
-struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
- struct detailed_timing *timing)
+static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
+ struct edid *edid,
+ struct detailed_timing *timing,
+ u32 quirks)
{
struct drm_display_mode *mode;
struct detailed_pixel_timing *pt = &timing->data.pixel_data;
return NULL;
mode->type = DRM_MODE_TYPE_DRIVER;
+
+ if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
+ timing->pixel_clock = 1088;
+
mode->clock = timing->pixel_clock * 10;
mode->hdisplay = (pt->hactive_hi << 8) | pt->hactive_lo;
drm_mode_set_name(mode);
if (pt->interlaced)
- mode->flags |= V_INTERLACE;
+ mode->flags |= DRM_MODE_FLAG_INTERLACE;
+
+ if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
+ pt->hsync_positive = 1;
+ pt->vsync_positive = 1;
+ }
- mode->flags |= pt->hsync_positive ? V_PHSYNC : V_NHSYNC;
- mode->flags |= pt->vsync_positive ? V_PVSYNC : V_NVSYNC;
+ mode->flags |= pt->hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
+ mode->flags |= pt->vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
+
+ mode->width_mm = pt->width_mm_lo | (pt->width_mm_hi << 8);
+ mode->height_mm = pt->height_mm_lo | (pt->height_mm_hi << 8);
+
+ if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
+ mode->width_mm *= 10;
+ mode->height_mm *= 10;
+ }
+
+ if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
+ mode->width_mm = edid->width_cm * 10;
+ mode->height_mm = edid->height_cm * 10;
+ }
return mode;
}
static struct drm_display_mode edid_est_modes[] = {
{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
968, 1056, 0, 600, 601, 605, 628, 0,
- V_PHSYNC | V_PVSYNC) }, /* 800x600@60Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
896, 1024, 0, 600, 601, 603, 625, 0,
- V_PHSYNC | V_PVSYNC) }, /* 800x600@56Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
720, 840, 0, 480, 481, 484, 500, 0,
- V_NHSYNC | V_NVSYNC) }, /* 640x480@75Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
704, 832, 0, 480, 489, 491, 520, 0,
- V_NHSYNC | V_NVSYNC) }, /* 640x480@72Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
768, 864, 0, 480, 483, 486, 525, 0,
- V_NHSYNC | V_NVSYNC) }, /* 640x480@67Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656,
752, 800, 0, 480, 490, 492, 525, 0,
- V_NHSYNC | V_NVSYNC) }, /* 640x480@60Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
846, 900, 0, 400, 421, 423, 449, 0,
- V_NHSYNC | V_NVSYNC) }, /* 720x400@88Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
846, 900, 0, 400, 412, 414, 449, 0,
- V_NHSYNC | V_PVSYNC) }, /* 720x400@70Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
- V_PHSYNC | V_PVSYNC) }, /* 1280x1024@75Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040,
1136, 1312, 0, 768, 769, 772, 800, 0,
- V_PHSYNC | V_PVSYNC) }, /* 1024x768@75Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
1184, 1328, 0, 768, 771, 777, 806, 0,
- V_NHSYNC | V_NVSYNC) }, /* 1024x768@70Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1184, 1344, 0, 768, 771, 777, 806, 0,
- V_NHSYNC | V_NVSYNC) }, /* 1024x768@60Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
1208, 1264, 0, 768, 768, 776, 817, 0,
- V_PHSYNC | V_PVSYNC | V_INTERLACE) }, /* 1024x768@43Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
928, 1152, 0, 624, 625, 628, 667, 0,
- V_NHSYNC | V_NVSYNC) }, /* 832x624@75Hz */
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
896, 1056, 0, 600, 601, 604, 625, 0,
- V_PHSYNC | V_PVSYNC) }, /* 800x600@75Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
976, 1040, 0, 600, 637, 643, 666, 0,
- V_PHSYNC | V_PVSYNC) }, /* 800x600@72Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1344, 1600, 0, 864, 865, 868, 900, 0,
- V_PHSYNC | V_PVSYNC) }, /* 1152x864@75Hz */
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
};
#define EDID_EST_TIMINGS 16
* Each EDID block contains a bitmap of the supported "established modes" list
* (defined above). Tease them out and add them to the global modes list.
*/
-static int add_established_modes(struct drm_output *output, struct edid *edid)
+static int add_established_modes(struct drm_connector *connector, struct edid *edid)
{
- struct drm_device *dev = output->dev;
+ struct drm_device *dev = connector->dev;
unsigned long est_bits = edid->established_timings.t1 |
(edid->established_timings.t2 << 8) |
((edid->established_timings.mfg_rsvd & 0x80) << 9);
struct drm_display_mode *newmode;
newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
if (newmode) {
- drm_mode_probed_add(output, newmode);
+ drm_mode_probed_add(connector, newmode);
modes++;
}
}
* Standard modes can be calculated using the CVT standard. Grab them from
* @edid, calculate them, and add them to the list.
*/
-static int add_standard_modes(struct drm_output *output, struct edid *edid)
+static int add_standard_modes(struct drm_connector *connector, struct edid *edid)
{
- struct drm_device *dev = output->dev;
+ struct drm_device *dev = connector->dev;
int i, modes = 0;
for (i = 0; i < EDID_STD_TIMINGS; i++) {
newmode = drm_mode_std(dev, &edid->standard_timings[i]);
if (newmode) {
- drm_mode_probed_add(output, newmode);
+ drm_mode_probed_add(connector, newmode);
modes++;
}
}
/**
* add_detailed_modes - get detailed mode info from EDID data
+ * @connector: attached connector
* @edid: EDID block to scan
+ * @quirks: quirks to apply
*
* Some of the detailed timing sections may contain mode information. Grab
* it and add it to the list.
*/
-static int add_detailed_info(struct drm_output *output, struct edid *edid)
+static int add_detailed_info(struct drm_connector *connector,
+ struct edid *edid, u32 quirks)
{
- struct drm_device *dev = output->dev;
+ struct drm_device *dev = connector->dev;
int i, j, modes = 0;
for (i = 0; i < EDID_DETAILED_TIMINGS; i++) {
/* Detailed mode timing */
if (timing->pixel_clock) {
- newmode = drm_mode_detailed(dev, timing);
+ newmode = drm_mode_detailed(dev, edid, timing, quirks);
+ if (!newmode)
+ continue;
+
/* First detailed mode is preferred */
- if (newmode) {
- if (i == 0 && edid->preferred_timing)
- newmode->type |= DRM_MODE_TYPE_PREFERRED;
- drm_mode_probed_add(output, newmode);
-
- modes++;
- }
+ if (i == 0 && edid->preferred_timing)
+ newmode->type |= DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, newmode);
+
+ modes++;
continue;
}
std = &data->data.timings[j];
newmode = drm_mode_std(dev, std);
if (newmode) {
- drm_mode_probed_add(output, newmode);
+ drm_mode_probed_add(connector, newmode);
modes++;
}
}
#define DDC_ADDR 0x50
-static unsigned char *drm_do_probe_ddc_edid(struct i2c_adapter *adapter)
+unsigned char *drm_do_probe_ddc_edid(struct i2c_adapter *adapter)
{
unsigned char start = 0x0;
unsigned char *buf = kmalloc(EDID_LENGTH, GFP_KERNEL);
kfree(buf);
return NULL;
}
+EXPORT_SYMBOL(drm_do_probe_ddc_edid);
static unsigned char *drm_ddc_read(struct i2c_adapter *adapter)
{
unsigned char *edid = NULL;
int i, j;
- /*
- * Startup the bus:
- * Set clock line high (but give it time to come up)
- * Then set clock & data low
- */
algo_data->setscl(algo_data->data, 1);
- udelay(550); /* startup delay */
- algo_data->setscl(algo_data->data, 0);
- algo_data->setsda(algo_data->data, 0);
for (i = 0; i < 3; i++) {
/* For some old monitors we need the
* following process to initialize/stop DDC
*/
- algo_data->setsda(algo_data->data, 0);
+ algo_data->setsda(algo_data->data, 1);
msleep(13);
algo_data->setscl(algo_data->data, 1);
algo_data->setsda(algo_data->data, 1);
msleep(15);
algo_data->setscl(algo_data->data, 0);
+ algo_data->setsda(algo_data->data, 0);
if (edid)
break;
}
/* Release the DDC lines when done or the Apple Cinema HD display
* will switch off
*/
- algo_data->setsda(algo_data->data, 0);
- algo_data->setscl(algo_data->data, 0);
+ algo_data->setsda(algo_data->data, 1);
algo_data->setscl(algo_data->data, 1);
-
+
return edid;
}
/**
* drm_get_edid - get EDID data, if available
- * @output: output we're probing
+ * @connector: connector we're probing
* @adapter: i2c adapter to use for DDC
*
- * Poke the given output's i2c channel to grab EDID data if possible.
+ * Poke the given connector's i2c channel to grab EDID data if possible.
*
* Return edid data or NULL if we couldn't find any.
*/
-struct edid *drm_get_edid(struct drm_output *output,
+struct edid *drm_get_edid(struct drm_connector *connector,
struct i2c_adapter *adapter)
{
struct edid *edid;
edid = (struct edid *)drm_ddc_read(adapter);
if (!edid) {
- dev_warn(&output->dev->pdev->dev, "%s: no EDID data\n",
- drm_get_output_name(output));
+ dev_warn(&connector->dev->pdev->dev, "%s: no EDID data\n",
+ drm_get_connector_name(connector));
return NULL;
}
- if (!edid_valid(edid)) {
- dev_warn(&output->dev->pdev->dev, "%s: EDID invalid.\n",
- drm_get_output_name(output));
+ if (!edid_is_valid(edid)) {
+ dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",
+ drm_get_connector_name(connector));
kfree(edid);
return NULL;
}
+
+ connector->display_info.raw_edid = (char *)edid;
+
return edid;
}
EXPORT_SYMBOL(drm_get_edid);
/**
* drm_add_edid_modes - add modes from EDID data, if available
- * @output: output we're probing
+ * @connector: connector we're probing
* @edid: edid data
*
- * Add the specified modes to the output's mode list.
+ * Add the specified modes to the connector's mode list.
*
* Return number of modes added or 0 if we couldn't find any.
*/
-int drm_add_edid_modes(struct drm_output *output, struct edid *edid)
+int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
{
int num_modes = 0;
+ u32 quirks;
if (edid == NULL) {
return 0;
}
- if (!edid_valid(edid)) {
- dev_warn(&output->dev->pdev->dev, "%s: EDID invalid.\n",
- drm_get_output_name(output));
+ if (!edid_is_valid(edid)) {
+ dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",
+ drm_get_connector_name(connector));
return 0;
}
- num_modes += add_established_modes(output, edid);
- num_modes += add_standard_modes(output, edid);
- num_modes += add_detailed_info(output, edid);
+
+ quirks = edid_get_quirks(edid);
+
+ num_modes += add_established_modes(connector, edid);
+ num_modes += add_standard_modes(connector, edid);
+ num_modes += add_detailed_info(connector, edid, quirks);
+
+ if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
+ edid_fixup_preferred(connector, quirks);
+
+ connector->display_info.serration_vsync = edid->serration_vsync;
+ connector->display_info.sync_on_green = edid->sync_on_green;
+ connector->display_info.composite_sync = edid->composite_sync;
+ connector->display_info.separate_syncs = edid->separate_syncs;
+ connector->display_info.blank_to_black = edid->blank_to_black;
+ connector->display_info.video_level = edid->video_level;
+ connector->display_info.digital = edid->digital;
+ connector->display_info.width_mm = edid->width_cm * 10;
+ connector->display_info.height_mm = edid->height_cm * 10;
+ connector->display_info.gamma = edid->gamma;
+ connector->display_info.gtf_supported = edid->default_gtf;
+ connector->display_info.standard_color = edid->standard_color;
+ connector->display_info.display_type = edid->display_type;
+ connector->display_info.active_off_supported = edid->pm_active_off;
+ connector->display_info.suspend_supported = edid->pm_suspend;
+ connector->display_info.standby_supported = edid->pm_standby;
+ connector->display_info.gamma = edid->gamma;
+
return num_modes;
}
EXPORT_SYMBOL(drm_add_edid_modes);
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