drm/imx: Remove encoders' ->prepare callbacks
The main task of imx encoders' ->prepare callbacks is to set bus_format,
bus_flags, di_vsync_pin and di_hsync_pin. We may create a structure named
imx_encoder to cache them. The atomic encoder callback ->disable may
replace ->prepare later, so let's remove ->prepare.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 12bf368..6e110bb 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -51,14 +51,15 @@
#define LDB_BGREF_RMODE_INT (1 << 15)
#define con_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, connector)
-#define enc_to_imx_ldb_ch(x) container_of(x, struct imx_ldb_channel, encoder)
+#define imx_enc_to_imx_ldb_ch(x) \
+ container_of(x, struct imx_ldb_channel, imx_encoder)
struct imx_ldb;
struct imx_ldb_channel {
struct imx_ldb *ldb;
struct drm_connector connector;
- struct drm_encoder encoder;
+ struct imx_drm_encoder imx_encoder;
struct drm_panel *panel;
struct device_node *child;
struct i2c_adapter *ddc;
@@ -67,7 +68,6 @@
int edid_len;
struct drm_display_mode mode;
int mode_valid;
- int bus_format;
};
struct bus_mux {
@@ -94,6 +94,35 @@
return connector_status_connected;
}
+static void imx_ldb_bus_format_translation(struct imx_ldb_channel *imx_ldb_ch,
+ u32 bus_format)
+{
+ struct imx_ldb *ldb = imx_ldb_ch->ldb;
+ int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
+
+ switch (bus_format) {
+ case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
+ imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB666_1X18;
+ break;
+ case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG:
+ imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ if (imx_ldb_ch->chno == 0 || dual)
+ ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24;
+ if (imx_ldb_ch->chno == 1 || dual)
+ ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24;
+ break;
+ case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA:
+ imx_ldb_ch->imx_encoder.bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ if (imx_ldb_ch->chno == 0 || dual)
+ ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24 |
+ LDB_BIT_MAP_CH0_JEIDA;
+ if (imx_ldb_ch->chno == 1 || dual)
+ ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24 |
+ LDB_BIT_MAP_CH1_JEIDA;
+ break;
+ }
+}
+
static int imx_ldb_connector_get_modes(struct drm_connector *connector)
{
struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector);
@@ -104,8 +133,9 @@
struct drm_display_info *di = &connector->display_info;
num_modes = imx_ldb_ch->panel->funcs->get_modes(imx_ldb_ch->panel);
- if (!imx_ldb_ch->bus_format && di->num_bus_formats)
- imx_ldb_ch->bus_format = di->bus_formats[0];
+ if (!imx_ldb_ch->imx_encoder.bus_format && di->num_bus_formats)
+ imx_ldb_bus_format_translation(imx_ldb_ch,
+ di->bus_formats[0]);
if (num_modes > 0)
return num_modes;
}
@@ -139,7 +169,7 @@
{
struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector);
- return &imx_ldb_ch->encoder;
+ return &imx_ldb_ch->imx_encoder.encoder;
}
static void imx_ldb_encoder_dpms(struct drm_encoder *encoder, int mode)
@@ -174,45 +204,10 @@
chno);
}
-static void imx_ldb_encoder_prepare(struct drm_encoder *encoder)
-{
- struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
- struct imx_ldb *ldb = imx_ldb_ch->ldb;
- int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
- u32 bus_format;
-
- switch (imx_ldb_ch->bus_format) {
- default:
- dev_warn(ldb->dev,
- "could not determine data mapping, default to 18-bit \"spwg\"\n");
- /* fallthrough */
- case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
- bus_format = MEDIA_BUS_FMT_RGB666_1X18;
- break;
- case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG:
- bus_format = MEDIA_BUS_FMT_RGB888_1X24;
- if (imx_ldb_ch->chno == 0 || dual)
- ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24;
- if (imx_ldb_ch->chno == 1 || dual)
- ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24;
- break;
- case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA:
- bus_format = MEDIA_BUS_FMT_RGB888_1X24;
- if (imx_ldb_ch->chno == 0 || dual)
- ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH0_24 |
- LDB_BIT_MAP_CH0_JEIDA;
- if (imx_ldb_ch->chno == 1 || dual)
- ldb->ldb_ctrl |= LDB_DATA_WIDTH_CH1_24 |
- LDB_BIT_MAP_CH1_JEIDA;
- break;
- }
-
- imx_drm_set_bus_format(encoder, bus_format);
-}
-
static void imx_ldb_encoder_commit(struct drm_encoder *encoder)
{
- struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
+ struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder);
+ struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder);
struct imx_ldb *ldb = imx_ldb_ch->ldb;
int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder);
@@ -260,7 +255,8 @@
struct drm_display_mode *orig_mode,
struct drm_display_mode *mode)
{
- struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
+ struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder);
+ struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder);
struct imx_ldb *ldb = imx_ldb_ch->ldb;
int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
unsigned long serial_clk;
@@ -303,7 +299,8 @@
static void imx_ldb_encoder_disable(struct drm_encoder *encoder)
{
- struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
+ struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder);
+ struct imx_ldb_channel *imx_ldb_ch = imx_enc_to_imx_ldb_ch(imx_encoder);
struct imx_ldb *ldb = imx_ldb_ch->ldb;
int mux, ret;
@@ -379,7 +376,6 @@
static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = {
.dpms = imx_ldb_encoder_dpms,
- .prepare = imx_ldb_encoder_prepare,
.commit = imx_ldb_encoder_commit,
.mode_set = imx_ldb_encoder_mode_set,
.disable = imx_ldb_encoder_disable,
@@ -406,7 +402,7 @@
struct imx_ldb *ldb = imx_ldb_ch->ldb;
int ret;
- ret = imx_drm_encoder_parse_of(drm, &imx_ldb_ch->encoder,
+ ret = imx_drm_encoder_parse_of(drm, &imx_ldb_ch->imx_encoder.encoder,
imx_ldb_ch->child);
if (ret)
return ret;
@@ -421,10 +417,10 @@
return ret;
}
- drm_encoder_helper_add(&imx_ldb_ch->encoder,
+ drm_encoder_helper_add(&imx_ldb_ch->imx_encoder.encoder,
&imx_ldb_encoder_helper_funcs);
- drm_encoder_init(drm, &imx_ldb_ch->encoder, &imx_ldb_encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ drm_encoder_init(drm, &imx_ldb_ch->imx_encoder.encoder,
+ &imx_ldb_encoder_funcs, DRM_MODE_ENCODER_LVDS, NULL);
drm_connector_helper_add(&imx_ldb_ch->connector,
&imx_ldb_connector_helper_funcs);
@@ -435,7 +431,7 @@
drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector);
drm_mode_connector_attach_encoder(&imx_ldb_ch->connector,
- &imx_ldb_ch->encoder);
+ &imx_ldb_ch->imx_encoder.encoder);
return 0;
}
@@ -564,6 +560,7 @@
struct imx_ldb_channel *channel;
struct device_node *ddc_node;
struct device_node *ep;
+ int bus_format;
ret = of_property_read_u32(child, "reg", &i);
if (ret || i < 0 || i > 1)
@@ -636,21 +633,25 @@
}
}
- channel->bus_format = of_get_bus_format(dev, child);
- if (channel->bus_format == -EINVAL) {
+ bus_format = of_get_bus_format(dev, child);
+ if (bus_format == -EINVAL) {
/*
* If no bus format was specified in the device tree,
* we can still get it from the connected panel later.
*/
if (channel->panel && channel->panel->funcs &&
channel->panel->funcs->get_modes)
- channel->bus_format = 0;
+ bus_format = 0;
}
- if (channel->bus_format < 0) {
+ if (bus_format < 0) {
dev_err(dev, "could not determine data mapping: %d\n",
- channel->bus_format);
- return channel->bus_format;
+ bus_format);
+ return bus_format;
}
+ imx_ldb_bus_format_translation(channel, bus_format);
+
+ channel->imx_encoder.di_hsync_pin = 2;
+ channel->imx_encoder.di_vsync_pin = 3;
ret = imx_ldb_register(drm, channel);
if (ret)
@@ -675,7 +676,8 @@
continue;
channel->connector.funcs->destroy(&channel->connector);
- channel->encoder.funcs->destroy(&channel->encoder);
+ channel->imx_encoder.encoder.funcs->destroy(
+ &channel->imx_encoder.encoder);
kfree(channel->edid);
i2c_put_adapter(channel->ddc);