static int imx_pd_connector_get_modes(struct drm_connector *connector)
{
struct imx_parallel_display *imxpd = con_to_imxpd(connector);
struct device_node *np = imxpd->dev->of_node;
int num_modes = 0;
if (imxpd->edid) {
drm_mode_connector_update_edid_property(connector, imxpd->edid);
num_modes = drm_add_edid_modes(connector, imxpd->edid);
}
if (imxpd->mode_valid) {
struct drm_display_mode *mode = drm_mode_create(connector->dev);
drm_mode_copy(mode, &imxpd->mode);
mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
drm_mode_probed_add(connector, mode);
num_modes++;
}
if (np) {
struct drm_display_mode *mode = drm_mode_create(connector->dev);
of_get_drm_display_mode(np, &imxpd->mode, OF_USE_NATIVE_MODE);
drm_mode_copy(mode, &imxpd->mode);
mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
drm_mode_probed_add(connector, mode);
num_modes++;
}
return num_modes;
}
/**
* add_detailed_modes - get detailed mode info from EDID data
* @edid: EDID block to scan
*
* 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)
{
struct drm_device *dev = output->dev;
int i, j, modes = 0;
for (i = 0; i < EDID_DETAILED_TIMINGS; i++) {
struct detailed_timing *timing = &edid->detailed_timings[i];
struct detailed_non_pixel *data = &timing->data.other_data;
struct drm_display_mode *newmode;
/* EDID up to and including 1.2 may put monitor info here */
if (edid->version == 1 && edid->revision < 3)
continue;
/* Detailed mode timing */
if (timing->pixel_clock) {
newmode = drm_mode_detailed(dev, timing);
/* First detailed mode is preferred */
if (i == 0 && edid->preferred_timing)
newmode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(output, newmode);
modes++;
continue;
}
/* Other timing or info */
switch (data->type) {
case EDID_DETAIL_MONITOR_SERIAL:
break;
case EDID_DETAIL_MONITOR_STRING:
break;
case EDID_DETAIL_MONITOR_RANGE:
/* Get monitor range data */
break;
case EDID_DETAIL_MONITOR_NAME:
break;
case EDID_DETAIL_MONITOR_CPDATA:
break;
case EDID_DETAIL_STD_MODES:
/* Five modes per detailed section */
for (j = 0; j < 5; i++) {
struct std_timing *std;
struct drm_display_mode *newmode;
std = &data->data.timings[j];
newmode = drm_mode_std(dev, std);
drm_mode_probed_add(output, newmode);
modes++;
}
break;
default:
break;
}
}
return modes;
}
static int exynos_dp_get_modes(struct drm_connector *connector)
{
struct exynos_dp_device *dp = ctx_from_connector(connector);
struct drm_display_mode *mode;
if (dp->panel)
return drm_panel_get_modes(dp->panel);
mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_ERROR("failed to create a new display mode.\n");
return 0;
}
drm_display_mode_from_videomode(&dp->priv.vm, mode);
mode->width_mm = dp->priv.width_mm;
mode->height_mm = dp->priv.height_mm;
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
return 1;
}
static int meson_connector_get_modes(struct drm_connector *connector)
{
struct meson_connector *meson_connector = to_meson_connector(connector);
struct drm_device *dev = connector->dev;
drm_mode_probed_add(connector, drm_mode_duplicate(dev, meson_connector->mode));
return 1;
}
static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data)
{
struct exynos_dp_device *dp = to_dp(plat_data);
struct drm_connector *connector = &dp->connector;
struct drm_display_mode *mode;
int num_modes = 0;
if (dp->plat_data.panel)
return num_modes;
mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_ERROR("failed to create a new display mode.\n");
return num_modes;
}
drm_display_mode_from_videomode(&dp->vm, mode);
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
return num_modes + 1;
}
static int dce_virtual_get_modes(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_display_mode *mode = NULL;
unsigned i;
static const struct mode_size {
int w;
int h;
} common_modes[17] = {
{ 640, 480},
{ 720, 480},
{ 800, 600},
{ 848, 480},
{1024, 768},
{1152, 768},
{1280, 720},
{1280, 800},
{1280, 854},
{1280, 960},
{1280, 1024},
{1440, 900},
{1400, 1050},
{1680, 1050},
{1600, 1200},
{1920, 1080},
{1920, 1200}
};
for (i = 0; i < 17; i++) {
mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
drm_mode_probed_add(connector, mode);
}
return 0;
}
static int imx_ldb_connector_get_modes(struct drm_connector *connector)
{
struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector);
int num_modes = 0;
if (imx_ldb_ch->panel && imx_ldb_ch->panel->funcs &&
imx_ldb_ch->panel->funcs->get_modes) {
num_modes = imx_ldb_ch->panel->funcs->get_modes(imx_ldb_ch->panel);
if (num_modes > 0)
return num_modes;
}
if (imx_ldb_ch->edid) {
drm_mode_connector_update_edid_property(connector,
imx_ldb_ch->edid);
num_modes = drm_add_edid_modes(connector, imx_ldb_ch->edid);
}
if (imx_ldb_ch->mode_valid) {
struct drm_display_mode *mode;
mode = drm_mode_create(connector->dev);
if (!mode)
return -EINVAL;
drm_mode_copy(mode, &imx_ldb_ch->mode);
mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
num_modes++;
}
return num_modes;
}
static int panel_connector_get_modes(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct panel_connector *panel_connector = to_panel_connector(connector);
struct display_timings *timings = panel_connector->mod->timings;
int i;
for (i = 0; i < timings->num_timings; i++) {
struct drm_display_mode *mode = drm_mode_create(dev);
struct videomode vm;
if (videomode_from_timings(timings, &vm, i))
break;
drm_display_mode_from_videomode(&vm, mode);
mode->type = DRM_MODE_TYPE_DRIVER;
if (timings->native_mode == i)
mode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
}
return i;
}
static int shmob_drm_connector_get_modes(struct drm_connector *connector)
{
struct shmob_drm_device *sdev = connector->dev->dev_private;
struct drm_display_mode *mode;
mode = drm_mode_create(connector->dev);
if (mode == NULL)
return 0;
mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
mode->clock = sdev->pdata->panel.mode.clock;
mode->hdisplay = sdev->pdata->panel.mode.hdisplay;
mode->hsync_start = sdev->pdata->panel.mode.hsync_start;
mode->hsync_end = sdev->pdata->panel.mode.hsync_end;
mode->htotal = sdev->pdata->panel.mode.htotal;
mode->vdisplay = sdev->pdata->panel.mode.vdisplay;
mode->vsync_start = sdev->pdata->panel.mode.vsync_start;
mode->vsync_end = sdev->pdata->panel.mode.vsync_end;
mode->vtotal = sdev->pdata->panel.mode.vtotal;
mode->flags = sdev->pdata->panel.mode.flags;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
connector->display_info.width_mm = sdev->pdata->panel.width_mm;
connector->display_info.height_mm = sdev->pdata->panel.height_mm;
return 1;
}
static int intel_dsi_get_modes(struct drm_connector *connector)
{
struct intel_connector *intel_connector = to_intel_connector(connector);
struct intel_dsi *intel_dsi = intel_attached_dsi(connector);
struct drm_display_mode *mode;
struct drm_display_mode *input_mode = NULL;
DRM_DEBUG_KMS("\n");
if (!intel_connector->panel.fixed_mode) {
DRM_DEBUG_KMS("no fixed mode\n");
return 0;
}
input_mode = intel_connector->panel.fixed_mode;
mode = drm_mode_duplicate(connector->dev,
input_mode);
if (!mode) {
DRM_DEBUG_KMS("drm_mode_duplicate failed\n");
return 0;
}
drm_mode_probed_add(connector, mode);
/*Fill the panel info here*/
intel_dsi->dev.dev_ops->get_info(0, connector);
return 1;
}
static int virtio_gpu_conn_get_modes(struct drm_connector *connector)
{
struct virtio_gpu_output *output =
drm_connector_to_virtio_gpu_output(connector);
struct drm_display_mode *mode = NULL;
int count, width, height;
width = le32_to_cpu(output->info.r.width);
height = le32_to_cpu(output->info.r.height);
count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX);
if (width == 0 || height == 0) {
width = XRES_DEF;
height = YRES_DEF;
drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF);
} else {
DRM_DEBUG("add mode: %dx%d\n", width, height);
mode = drm_cvt_mode(connector->dev, width, height, 60,
false, false, false);
mode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
count++;
}
return count;
}
static int imx_pd_connector_get_modes(struct drm_connector *connector)
{
struct imx_parallel_display *imxpd = con_to_imxpd(connector);
struct device_node *np = imxpd->dev->of_node;
int num_modes = 0;
if (imxpd->panel && imxpd->panel->funcs &&
imxpd->panel->funcs->get_modes) {
struct drm_display_info *di = &connector->display_info;
num_modes = imxpd->panel->funcs->get_modes(imxpd->panel);
if (!imxpd->bus_format && di->num_bus_formats)
imxpd->bus_format = di->bus_formats[0];
if (num_modes > 0)
return num_modes;
}
if (imxpd->edid) {
drm_mode_connector_update_edid_property(connector, imxpd->edid);
num_modes = drm_add_edid_modes(connector, imxpd->edid);
}
if (imxpd->mode_valid) {
struct drm_display_mode *mode = drm_mode_create(connector->dev);
if (!mode)
return -EINVAL;
drm_mode_copy(mode, &imxpd->mode);
mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
drm_mode_probed_add(connector, mode);
num_modes++;
}
if (np) {
struct drm_display_mode *mode = drm_mode_create(connector->dev);
if (!mode)
return -EINVAL;
of_get_drm_display_mode(np, &imxpd->mode, OF_USE_NATIVE_MODE);
drm_mode_copy(mode, &imxpd->mode);
mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
drm_mode_probed_add(connector, mode);
num_modes++;
}
return num_modes;
}
static int omap_connector_get_modes(struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct drm_device *dev = connector->dev;
int n = 0;
DBG("%s", omap_connector->dssdev->name);
/* if display exposes EDID, then we parse that in the normal way to
* build table of supported modes.. otherwise (ie. fixed resolution
* LCD panels) we just return a single mode corresponding to the
* currently configured timings:
*/
if (dssdrv->read_edid) {
void *edid = kzalloc(MAX_EDID, GFP_KERNEL);
if ((dssdrv->read_edid(dssdev, edid, MAX_EDID) > 0) &&
drm_edid_is_valid(edid)) {
drm_mode_connector_update_edid_property(
connector, edid);
n = drm_add_edid_modes(connector, edid);
omap_connector->hdmi_mode =
drm_detect_hdmi_monitor(edid);
} else {
drm_mode_connector_update_edid_property(
connector, NULL);
}
kfree(edid);
} else {
struct drm_display_mode *mode = drm_mode_create(dev);
struct videomode vm = {0};
dssdrv->get_timings(dssdev, &vm);
drm_display_mode_from_videomode(&vm, mode);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
n = 1;
}
return n;
}
static int jzdrm_connector_get_modes(struct drm_connector *connector)
{
struct lcd_link *lcd_link = container_of(connector, struct lcd_link,
connector);
struct drm_display_mode *mode = drm_mode_create(connector->dev);
int n;
get_previous_mode(mode, lcd_link);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
n = 1;
return n;
}
/**
* add_established_modes - get est. modes from EDID and add them
* @edid: EDID block to scan
*
* 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)
{
struct drm_device *dev = output->dev;
unsigned long est_bits = edid->established_timings.t1 |
(edid->established_timings.t2 << 8) |
((edid->established_timings.mfg_rsvd & 0x80) << 9);
int i, modes = 0;
for (i = 0; i <= EDID_EST_TIMINGS; i++)
if (est_bits & (1<<i)) {
struct drm_display_mode *newmode;
newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
drm_mode_probed_add(output, newmode);
modes++;
}
return modes;
}
static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector)
{
struct rcar_du_lvds_connector *lvdscon =
to_rcar_lvds_connector(connector);
struct drm_display_mode *mode;
mode = drm_mode_create(connector->dev);
if (mode == NULL)
return 0;
mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
drm_display_mode_from_videomode(&lvdscon->panel.mode, mode);
drm_mode_probed_add(connector, mode);
return 1;
}
static int omap_connector_get_modes(struct drm_connector *connector)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
struct omap_dss_driver *dssdrv = dssdev->driver;
struct drm_device *dev = connector->dev;
int n = 0;
DBG("%s", omap_connector->dssdev->name);
if (dssdrv->read_edid) {
void *edid = kzalloc(MAX_EDID, GFP_KERNEL);
if ((dssdrv->read_edid(dssdev, edid, MAX_EDID) > 0) &&
drm_edid_is_valid(edid)) {
drm_mode_connector_update_edid_property(
connector, edid);
n = drm_add_edid_modes(connector, edid);
kfree(connector->display_info.raw_edid);
connector->display_info.raw_edid = edid;
} else {
drm_mode_connector_update_edid_property(
connector, NULL);
connector->display_info.raw_edid = NULL;
kfree(edid);
}
} else {
struct drm_display_mode *mode = drm_mode_create(dev);
struct omap_video_timings timings;
dssdrv->get_timings(dssdev, &timings);
copy_timings_omap_to_drm(mode, &timings);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
n = 1;
}
return n;
}
static int qxl_add_monitors_config_modes(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_output *output = drm_connector_to_qxl_output(connector);
int h = output->index;
struct drm_display_mode *mode = NULL;
struct qxl_head *head;
if (!qdev->client_monitors_config)
return 0;
head = &qdev->client_monitors_config->heads[h];
mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
false);
mode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
return 1;
}
static int ch7006_encoder_get_modes(struct drm_encoder *encoder,
struct drm_connector *connector)
{
struct ch7006_priv *priv = to_ch7006_priv(encoder);
struct ch7006_mode *mode;
int n = 0;
for (mode = ch7006_modes; mode->mode.clock; mode++) {
if (~mode->valid_scales & 1<<priv->scale ||
~mode->valid_norms & 1<<priv->norm)
continue;
drm_mode_probed_add(connector,
drm_mode_duplicate(encoder->dev, &mode->mode));
n++;
}
return n;
}
/**
* add_standard_modes - get std. modes from EDID and add them
* @edid: EDID block to scan
*
* 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)
{
struct drm_device *dev = output->dev;
int i, modes = 0;
for (i = 0; i < EDID_STD_TIMINGS; i++) {
struct std_timing *t = &edid->standard_timings[i];
struct drm_display_mode *newmode;
/* If std timings bytes are 1, 1 it's empty */
if (t->hsize == 1 && (t->aspect_ratio | t->vfreq) == 1)
continue;
newmode = drm_mode_std(dev, &edid->standard_timings[i]);
drm_mode_probed_add(output, newmode);
modes++;
}
return modes;
}
static int qxl_add_common_modes(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_display_mode *mode = NULL;
int i;
struct mode_size {
int w;
int h;
} common_modes[] = {
{ 640, 480},
{ 720, 480},
{ 800, 600},
{ 848, 480},
{1024, 768},
{1152, 768},
{1280, 720},
{1280, 800},
{1280, 854},
{1280, 960},
{1280, 1024},
{1440, 900},
{1400, 1050},
{1680, 1050},
{1600, 1200},
{1920, 1080},
{1920, 1200}
};
for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
if (common_modes[i].w < 320 || common_modes[i].h < 200)
continue;
mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
60, false, false, false);
if (common_modes[i].w == 1024 && common_modes[i].h == 768)
mode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
}
return i - 1;
}
static int intel_dsi_get_modes(struct drm_connector *connector)
{
struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_display_mode *mode;
DRM_DEBUG_KMS("\n");
if (!intel_connector->panel.fixed_mode) {
DRM_DEBUG_KMS("no fixed mode\n");
return 0;
}
mode = drm_mode_duplicate(connector->dev,
intel_connector->panel.fixed_mode);
if (!mode) {
DRM_DEBUG_KMS("drm_mode_duplicate failed\n");
return 0;
}
drm_mode_probed_add(connector, mode);
return 1;
}
static int vbox_get_modes(struct drm_connector *pConnector)
{
struct vbox_connector *pVBoxConnector = NULL;
struct drm_display_mode *pMode = NULL;
unsigned cModes = 0;
LogFunc(("vboxvideo: %d: pConnector=%p\n", __LINE__, pConnector));
pVBoxConnector = to_vbox_connector(pConnector);
cModes = drm_add_modes_noedid(pConnector, 1024, 768);
if (pVBoxConnector->modeHint.cX && pVBoxConnector->modeHint.cY)
{
pMode = drm_cvt_mode(pConnector->dev, pVBoxConnector->modeHint.cX,
pVBoxConnector->modeHint.cY, 60, false, false,
false);
if (pMode)
{
pMode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(pConnector, pMode);
++cModes;
}
}
return cModes;
}
static int s6e8aa0_get_modes(struct drm_panel *panel)
{
struct drm_connector *connector = panel->connector;
struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel);
struct drm_display_mode *mode;
mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_ERROR("failed to create a new display mode\n");
return 0;
}
drm_display_mode_from_videomode(&ctx->vm, mode);
mode->width_mm = ctx->width_mm;
mode->height_mm = ctx->height_mm;
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
return 1;
}
static int exynos_dpi_get_modes(struct drm_connector *connector)
{
struct exynos_dpi *ctx = connector_to_dpi(connector);
/* fimd timings gets precedence over panel modes */
if (ctx->vm) {
struct drm_display_mode *mode;
mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_ERROR("failed to create a new display mode\n");
return 0;
}
drm_display_mode_from_videomode(ctx->vm, mode);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
return 1;
}
if (ctx->panel)
return ctx->panel->funcs->get_modes(ctx->panel);
return 0;
}
static int s6e3ha2_get_modes(struct drm_panel *panel)
{
struct drm_connector *connector = panel->connector;
struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
struct drm_display_mode *mode;
mode = drm_mode_duplicate(panel->drm, ctx->desc->mode);
if (!mode) {
DRM_ERROR("failed to add mode %ux%ux@%u\n",
ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay,
ctx->desc->mode->vrefresh);
return -ENOMEM;
}
drm_mode_set_name(mode);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
connector->display_info.width_mm = 71;
connector->display_info.height_mm = 125;
return 1;
}
static int exynos_drm_connector_get_modes(struct drm_connector *connector)
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
struct exynos_drm_manager *manager = exynos_connector->manager;
struct exynos_drm_display_ops *display_ops = manager->display_ops;
unsigned int count;
DRM_DEBUG_KMS("%s\n", __FILE__);
if (!display_ops) {
DRM_DEBUG_KMS("display_ops is null.\n");
return 0;
}
/*
* if get_edid() exists then get_edid() callback of hdmi side
* is called to get edid data through i2c interface else
* get timing from the FIMD driver(display controller).
*
* P.S. in case of lcd panel, count is always 1 if success
* because lcd panel has only one mode.
*/
if (display_ops->get_edid) {
int ret;
void *edid;
edid = kzalloc(MAX_EDID, GFP_KERNEL);
if (!edid) {
DRM_ERROR("failed to allocate edid\n");
return 0;
}
ret = display_ops->get_edid(manager->dev, connector,
edid, MAX_EDID);
if (ret < 0) {
DRM_ERROR("failed to get edid data.\n");
kfree(edid);
edid = NULL;
return 0;
}
drm_mode_connector_update_edid_property(connector, edid);
count = drm_add_edid_modes(connector, edid);
kfree(connector->display_info.raw_edid);
connector->display_info.raw_edid = edid;
} else {
struct drm_display_mode *mode = drm_mode_create(connector->dev);
struct fb_videomode *timing;
if (display_ops->get_timing)
timing = display_ops->get_timing(manager->dev);
else {
drm_mode_destroy(connector->dev, mode);
return 0;
}
convert_to_display_mode(mode, timing);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
count = 1;
}
return count;
}
static int exynos_drm_connector_get_modes(struct drm_connector *connector)
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
struct exynos_drm_manager *manager = exynos_connector->manager;
struct exynos_drm_display_ops *display_ops = manager->display_ops;
struct edid *edid = NULL;
unsigned int count = 0;
int ret;
if (!display_ops) {
DRM_DEBUG_KMS("display_ops is null.\n");
return 0;
}
/*
* if get_edid() exists then get_edid() callback of hdmi side
* is called to get edid data through i2c interface else
* get timing from the FIMD driver(display controller).
*
* P.S. in case of lcd panel, count is always 1 if success
* because lcd panel has only one mode.
*/
if (display_ops->get_edid) {
edid = display_ops->get_edid(manager->dev, connector);
if (IS_ERR_OR_NULL(edid)) {
ret = PTR_ERR(edid);
edid = NULL;
DRM_ERROR("Panel operation get_edid failed %d\n", ret);
goto out;
}
count = drm_add_edid_modes(connector, edid);
if (!count) {
DRM_ERROR("Add edid modes failed %d\n", count);
goto out;
}
drm_mode_connector_update_edid_property(connector, edid);
} else {
struct exynos_drm_panel_info *panel;
struct drm_display_mode *mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_ERROR("failed to create a new display mode.\n");
return 0;
}
if (display_ops->get_panel)
panel = display_ops->get_panel(manager->dev);
else {
drm_mode_destroy(connector->dev, mode);
return 0;
}
convert_to_display_mode(mode, panel);
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
count = 1;
}
out:
kfree(edid);
return count;
}
