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path: root/drivers/gpu/drm/imx/parallel-display.c
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Diffstat (limited to 'drivers/gpu/drm/imx/parallel-display.c')
-rw-r--r--drivers/gpu/drm/imx/parallel-display.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 900dda6a8e71..b4deb9cf9d71 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -21,6 +21,7 @@
#include <drm/drm_panel.h>
#include <linux/videodev2.h>
#include <video/of_display_timing.h>
+#include <linux/of_graph.h>
#include "imx-drm.h"
@@ -33,7 +34,7 @@ struct imx_parallel_display {
struct device *dev;
void *edid;
int edid_len;
- u32 interface_pix_fmt;
+ u32 bus_format;
int mode_valid;
struct drm_display_mode mode;
struct drm_panel *panel;
@@ -118,7 +119,7 @@ static void imx_pd_encoder_prepare(struct drm_encoder *encoder)
{
struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);
- imx_drm_panel_format(encoder, imxpd->interface_pix_fmt);
+ imx_drm_set_bus_format(encoder, imxpd->bus_format);
}
static void imx_pd_encoder_commit(struct drm_encoder *encoder)
@@ -208,7 +209,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
{
struct drm_device *drm = data;
struct device_node *np = dev->of_node;
- struct device_node *panel_node;
+ struct device_node *port;
const u8 *edidp;
struct imx_parallel_display *imxpd;
int ret;
@@ -225,21 +226,28 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
ret = of_property_read_string(np, "interface-pix-fmt", &fmt);
if (!ret) {
if (!strcmp(fmt, "rgb24"))
- imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB24;
+ imxpd->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
else if (!strcmp(fmt, "rgb565"))
- imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB565;
+ imxpd->bus_format = MEDIA_BUS_FMT_RGB565_1X16;
else if (!strcmp(fmt, "bgr666"))
- imxpd->interface_pix_fmt = V4L2_PIX_FMT_BGR666;
+ imxpd->bus_format = MEDIA_BUS_FMT_RGB666_1X18;
else if (!strcmp(fmt, "lvds666"))
- imxpd->interface_pix_fmt =
- v4l2_fourcc('L', 'V', 'D', '6');
+ imxpd->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI;
}
- panel_node = of_parse_phandle(np, "fsl,panel", 0);
- if (panel_node) {
- imxpd->panel = of_drm_find_panel(panel_node);
- if (!imxpd->panel)
- return -EPROBE_DEFER;
+ /* port@1 is the output port */
+ port = of_graph_get_port_by_id(np, 1);
+ if (port) {
+ struct device_node *endpoint, *remote;
+
+ endpoint = of_get_child_by_name(port, "endpoint");
+ if (endpoint) {
+ remote = of_graph_get_remote_port_parent(endpoint);
+ if (remote)
+ imxpd->panel = of_drm_find_panel(remote);
+ if (!imxpd->panel)
+ return -EPROBE_DEFER;
+ }
}
imxpd->dev = dev;