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authorJani Nikula <jani.nikula@intel.com>2024-05-14 14:55:17 +0200
committerJani Nikula <jani.nikula@intel.com>2024-05-27 16:25:49 +0200
commit40f98db5c06081ce583a24fb8950367f1058d2a3 (patch)
tree5c987d1f247eeaa4541d41c6435a95464ba90217
parentdrm/imx/tve: convert to struct drm_edid (diff)
downloadlinux-40f98db5c06081ce583a24fb8950367f1058d2a3.tar.xz
linux-40f98db5c06081ce583a24fb8950367f1058d2a3.zip
drm/imx/ldb: convert to struct drm_edid
Prefer the struct drm_edid based functions for reading the EDID and updating the connector. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/c1f1143b5aea14aea968cda6508b275b2f7246ea.1715691257.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
-rw-r--r--drivers/gpu/drm/imx/ipuv3/imx-ldb.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c
index 71d70194fcbd..793dfb1a3ed0 100644
--- a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c
+++ b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c
@@ -72,7 +72,7 @@ struct imx_ldb_channel {
struct device_node *child;
struct i2c_adapter *ddc;
int chno;
- void *edid;
+ const struct drm_edid *drm_edid;
struct drm_display_mode mode;
int mode_valid;
u32 bus_format;
@@ -142,15 +142,15 @@ 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->edid) {
- drm_connector_update_edid_property(connector,
- imx_ldb_ch->edid);
- num_modes = drm_add_edid_modes(connector, imx_ldb_ch->edid);
+ if (!imx_ldb_ch->drm_edid && imx_ldb_ch->ddc) {
+ imx_ldb_ch->drm_edid = drm_edid_read_ddc(connector,
+ imx_ldb_ch->ddc);
+ drm_edid_connector_update(connector, imx_ldb_ch->drm_edid);
}
+ if (imx_ldb_ch->drm_edid)
+ num_modes = drm_edid_connector_add_modes(connector);
+
if (imx_ldb_ch->mode_valid) {
struct drm_display_mode *mode;
@@ -553,7 +553,6 @@ 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);
@@ -567,6 +566,7 @@ static int imx_ldb_panel_ddc(struct device *dev,
}
if (!channel->ddc) {
+ const void *edidp;
int edid_len;
/* if no DDC available, fallback to hardcoded EDID */
@@ -574,8 +574,8 @@ static int imx_ldb_panel_ddc(struct device *dev,
edidp = of_get_property(child, "edid", &edid_len);
if (edidp) {
- channel->edid = kmemdup(edidp, edid_len, GFP_KERNEL);
- if (!channel->edid)
+ channel->drm_edid = drm_edid_alloc(edidp, edid_len);
+ if (!channel->drm_edid)
return -ENOMEM;
} else if (!channel->panel) {
/* fallback to display-timings node */
@@ -744,7 +744,7 @@ 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);
+ drm_edid_free(channel->drm_edid);
i2c_put_adapter(channel->ddc);
}