@@ -72,7 +72,6 @@ struct imx_ldb_channel {
struct device_node *child;
struct i2c_adapter *ddc;
int chno;
- void *edid;
struct drm_display_mode mode;
int mode_valid;
u32 bus_format;
@@ -142,13 +141,16 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector)
if (num_modes > 0)
return num_modes;
- if (!imx_ldb_ch->edid && imx_ldb_ch->ddc)
- imx_ldb_ch->edid = drm_get_edid(connector, imx_ldb_ch->ddc);
+ if (imx_ldb_ch->ddc) {
+ const struct drm_edid *edid = drm_edid_read_ddc(connector,
+ imx_ldb_ch->ddc);
- if (imx_ldb_ch->edid) {
- drm_connector_update_edid_property(connector,
- imx_ldb_ch->edid);
- num_modes = drm_add_edid_modes(connector, imx_ldb_ch->edid);
+ if (edid) {
+ drm_edid_connector_update(connector, edid);
+ drm_edid_free(edid);
+
+ return drm_edid_connector_add_modes(connector);
+ }
}
if (imx_ldb_ch->mode_valid) {
@@ -553,7 +555,6 @@ static int imx_ldb_panel_ddc(struct device *dev,
struct imx_ldb_channel *channel, struct device_node *child)
{
struct device_node *ddc_node;
- const u8 *edidp;
int ret;
ddc_node = of_parse_phandle(child, "ddc-i2c-bus", 0);
@@ -567,17 +568,10 @@ static int imx_ldb_panel_ddc(struct device *dev,
}
if (!channel->ddc) {
- int edid_len;
-
/* if no DDC available, fallback to hardcoded EDID */
dev_dbg(dev, "no ddc available\n");
- edidp = of_get_property(child, "edid", &edid_len);
- if (edidp) {
- channel->edid = kmemdup(edidp, edid_len, GFP_KERNEL);
- if (!channel->edid)
- return -ENOMEM;
- } else if (!channel->panel) {
+ if (!channel->panel) {
/* fallback to display-timings node */
ret = of_get_drm_display_mode(child,
&channel->mode,
@@ -744,7 +738,6 @@ static void imx_ldb_remove(struct platform_device *pdev)
for (i = 0; i < 2; i++) {
struct imx_ldb_channel *channel = &imx_ldb->channel[i];
- kfree(channel->edid);
i2c_put_adapter(channel->ddc);
}
Bindings for the imx-ldb never allowed specifying the EDID in DT. None of the existing DT files use it. Drop it now in favour of using debugfs overrides or the drm.edid_firmware support. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/gpu/drm/imx/ipuv3/imx-ldb.c | 27 ++++++++++----------------- 1 file changed, 10 insertions(+), 17 deletions(-)