diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/analogix/anx7625.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.c | 58 |
1 files changed, 23 insertions, 35 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 59e9ad349969..a2e9bb485c36 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -464,9 +464,11 @@ static int anx7625_odfc_config(struct anx7625_data *ctx, */ static int anx7625_set_k_value(struct anx7625_data *ctx) { - struct edid *edid = (struct edid *)ctx->slimport_edid_p.edid_raw_data; + struct drm_edid_product_id id; - if (edid->mfg_id[0] == IVO_MID0 && edid->mfg_id[1] == IVO_MID1) + drm_edid_get_product_id(ctx->cached_drm_edid, &id); + + if (be16_to_cpu(id.manufacturer_name) == IVO_MID) return anx7625_reg_write(ctx, ctx->i2c.rx_p1_client, MIPI_DIGITAL_ADJ_1, 0x3B); @@ -1526,7 +1528,8 @@ static int anx7625_wait_hpd_asserted(struct drm_dp_aux *aux, static void anx7625_remove_edid(struct anx7625_data *ctx) { - ctx->slimport_edid_p.edid_block_num = -1; + drm_edid_free(ctx->cached_drm_edid); + ctx->cached_drm_edid = NULL; } static void anx7625_dp_adjust_swing(struct anx7625_data *ctx) @@ -1644,25 +1647,15 @@ static int anx7625_get_swing_setting(struct device *dev, { int num_regs; - if (of_get_property(dev->of_node, - "analogix,lane0-swing", &num_regs)) { - if (num_regs > DP_TX_SWING_REG_CNT) - num_regs = DP_TX_SWING_REG_CNT; - + num_regs = of_property_read_variable_u8_array(dev->of_node, "analogix,lane0-swing", + pdata->lane0_reg_data, 1, DP_TX_SWING_REG_CNT); + if (num_regs > 0) pdata->dp_lane0_swing_reg_cnt = num_regs; - of_property_read_u8_array(dev->of_node, "analogix,lane0-swing", - pdata->lane0_reg_data, num_regs); - } - - if (of_get_property(dev->of_node, - "analogix,lane1-swing", &num_regs)) { - if (num_regs > DP_TX_SWING_REG_CNT) - num_regs = DP_TX_SWING_REG_CNT; + num_regs = of_property_read_variable_u8_array(dev->of_node, "analogix,lane1-swing", + pdata->lane1_reg_data, 1, DP_TX_SWING_REG_CNT); + if (num_regs > 0) pdata->dp_lane1_swing_reg_cnt = num_regs; - of_property_read_u8_array(dev->of_node, "analogix,lane1-swing", - pdata->lane1_reg_data, num_regs); - } return 0; } @@ -1787,27 +1780,32 @@ static ssize_t anx7625_aux_transfer(struct drm_dp_aux *aux, static const struct drm_edid *anx7625_edid_read(struct anx7625_data *ctx) { struct device *dev = ctx->dev; - struct s_edid_data *p_edid = &ctx->slimport_edid_p; + u8 *edid_buf; int edid_num; - if (ctx->slimport_edid_p.edid_block_num > 0) + if (ctx->cached_drm_edid) goto out; + edid_buf = kmalloc(FOUR_BLOCK_SIZE, GFP_KERNEL); + if (!edid_buf) + return NULL; + pm_runtime_get_sync(dev); _anx7625_hpd_polling(ctx, 5000 * 100); - edid_num = sp_tx_edid_read(ctx, p_edid->edid_raw_data); + edid_num = sp_tx_edid_read(ctx, edid_buf); pm_runtime_put_sync(dev); if (edid_num < 1) { DRM_DEV_ERROR(dev, "Fail to read EDID: %d\n", edid_num); + kfree(edid_buf); return NULL; } - p_edid->edid_block_num = edid_num; + ctx->cached_drm_edid = drm_edid_alloc(edid_buf, FOUR_BLOCK_SIZE); + kfree(edid_buf); out: - return drm_edid_alloc(ctx->slimport_edid_p.edid_raw_data, - FOUR_BLOCK_SIZE); + return drm_edid_dup(ctx->cached_drm_edid); } static enum drm_connector_status anx7625_sink_detect(struct anx7625_data *ctx) @@ -2193,11 +2191,6 @@ static int anx7625_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; - if (!bridge->encoder) { - DRM_DEV_ERROR(dev, "Parent encoder object not found"); - return -ENODEV; - } - ctx->aux.drm_dev = bridge->dev; err = drm_dp_aux_register(&ctx->aux); if (err) { @@ -2435,11 +2428,6 @@ static void anx7625_bridge_atomic_enable(struct drm_bridge *bridge, dev_dbg(dev, "drm atomic enable\n"); - if (!bridge->encoder) { - dev_err(dev, "Parent encoder object not found"); - return; - } - connector = drm_atomic_get_new_connector_for_encoder(state->base.state, bridge->encoder); if (!connector) |