diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/analogix/analogix-anx6345.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 75 |
1 files changed, 19 insertions, 56 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c index e33cd077595a..f3fe47b12edc 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c @@ -18,11 +18,10 @@ #include <linux/regulator/consumer.h> #include <linux/types.h> +#include <drm/display/drm_dp_helper.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_dp_helper.h> #include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> @@ -48,7 +47,7 @@ struct anx6345 { struct drm_dp_aux aux; struct drm_bridge bridge; struct i2c_client *client; - struct edid *edid; + const struct drm_edid *drm_edid; struct drm_connector connector; struct drm_panel *panel; struct regulator *dvdd12; @@ -144,35 +143,7 @@ static int anx6345_dp_link_training(struct anx6345 *anx6345) if (err) return err; - /* - * Power up the sink (DP_SET_POWER register is only available on DPCD - * v1.1 and later). - */ - if (anx6345->dpcd[DP_DPCD_REV] >= 0x11) { - err = drm_dp_dpcd_readb(&anx6345->aux, DP_SET_POWER, &dpcd[0]); - if (err < 0) { - DRM_ERROR("Failed to read DP_SET_POWER register: %d\n", - err); - return err; - } - - dpcd[0] &= ~DP_SET_POWER_MASK; - dpcd[0] |= DP_SET_POWER_D0; - - err = drm_dp_dpcd_writeb(&anx6345->aux, DP_SET_POWER, dpcd[0]); - if (err < 0) { - DRM_ERROR("Failed to power up DisplayPort link: %d\n", - err); - return err; - } - - /* - * According to the DP 1.1 specification, a "Sink Device must - * exit the power saving state within 1 ms" (Section 2.5.3.1, - * Table 5-52, "Sink Control Field" (register 0x600). - */ - usleep_range(1000, 2000); - } + drm_dp_link_power_up(&anx6345->aux, anx6345->dpcd[DP_DPCD_REV]); /* Possibly enable downspread on the sink */ err = regmap_write(anx6345->map[I2C_IDX_DPTX], @@ -459,7 +430,7 @@ static int anx6345_get_modes(struct drm_connector *connector) mutex_lock(&anx6345->lock); - if (!anx6345->edid) { + if (!anx6345->drm_edid) { if (!anx6345->powered) { anx6345_poweron(anx6345); power_off = true; @@ -471,19 +442,18 @@ static int anx6345_get_modes(struct drm_connector *connector) goto unlock; } - anx6345->edid = drm_get_edid(connector, &anx6345->aux.ddc); - if (!anx6345->edid) + anx6345->drm_edid = drm_edid_read_ddc(connector, &anx6345->aux.ddc); + if (!anx6345->drm_edid) DRM_ERROR("Failed to read EDID from panel\n"); - err = drm_connector_update_edid_property(connector, - anx6345->edid); + err = drm_edid_connector_update(connector, anx6345->drm_edid); if (err) { DRM_ERROR("Failed to update EDID property: %d\n", err); goto unlock; } } - num_modes += drm_add_edid_modes(connector, anx6345->edid); + num_modes += drm_edid_connector_add_modes(connector); /* Driver currently supports only 6bpc */ connector->display_info.bpc = 6; @@ -519,6 +489,7 @@ static const struct drm_connector_funcs anx6345_connector_funcs = { }; static int anx6345_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct anx6345 *anx6345 = bridge_to_anx6345(bridge); @@ -529,11 +500,6 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge, return -EINVAL; } - if (!bridge->encoder) { - DRM_ERROR("Parent encoder object not found"); - return -ENODEV; - } - /* Register aux channel */ anx6345->aux.name = "DP-AUX"; anx6345->aux.dev = &anx6345->client->dev; @@ -560,7 +526,7 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge, anx6345->connector.polled = DRM_CONNECTOR_POLL_HPD; err = drm_connector_attach_encoder(&anx6345->connector, - bridge->encoder); + encoder); if (err) { DRM_ERROR("Failed to link up connector to encoder: %d\n", err); goto connector_cleanup; @@ -692,16 +658,16 @@ static bool anx6345_get_chip_id(struct anx6345 *anx6345) return false; } -static int anx6345_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int anx6345_i2c_probe(struct i2c_client *client) { struct anx6345 *anx6345; struct device *dev; int i, err; - anx6345 = devm_kzalloc(&client->dev, sizeof(*anx6345), GFP_KERNEL); - if (!anx6345) - return -ENOMEM; + anx6345 = devm_drm_bridge_alloc(&client->dev, struct anx6345, bridge, + &anx6345_bridge_funcs); + if (IS_ERR(anx6345)) + return PTR_ERR(anx6345); mutex_init(&anx6345->lock); @@ -773,7 +739,6 @@ static int anx6345_i2c_probe(struct i2c_client *client, /* Look for supported chip ID */ anx6345_poweron(anx6345); if (anx6345_get_chip_id(anx6345)) { - anx6345->bridge.funcs = &anx6345_bridge_funcs; drm_bridge_add(&anx6345->bridge); return 0; @@ -787,7 +752,7 @@ err_unregister_i2c: return err; } -static int anx6345_i2c_remove(struct i2c_client *client) +static void anx6345_i2c_remove(struct i2c_client *client) { struct anx6345 *anx6345 = i2c_get_clientdata(client); @@ -795,15 +760,13 @@ static int anx6345_i2c_remove(struct i2c_client *client) unregister_i2c_dummy_clients(anx6345); - kfree(anx6345->edid); + drm_edid_free(anx6345->drm_edid); mutex_destroy(&anx6345->lock); - - return 0; } static const struct i2c_device_id anx6345_id[] = { - { "anx6345", 0 }, + { "anx6345" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(i2c, anx6345_id); @@ -817,7 +780,7 @@ MODULE_DEVICE_TABLE(of, anx6345_match_table); static struct i2c_driver anx6345_driver = { .driver = { .name = "anx6345", - .of_match_table = of_match_ptr(anx6345_match_table), + .of_match_table = anx6345_match_table, }, .probe = anx6345_i2c_probe, .remove = anx6345_i2c_remove, |