Hi Chris

Looks good for me except some tiny issues.


On 2016年01月06日 12:03, Chris Zhong wrote:
+struct dw_mipi_dsi {
+       struct drm_encoder encoder;
+       struct drm_connector connector;
+       struct mipi_dsi_host dsi_host;
+       struct drm_panel *panel;
+       struct device *dev;
+       struct regmap *grf_regmap;
+       void __iomem *base;
+
+       struct clk *pllref_clk;
+       struct clk *pclk;
+
+       unsigned int lane_mbps; /* per lane */
+       u32 channel;
+       u32 lanes;
+       u32 format;
+       u16 input_div;
+       u16 feedback_div;
+       struct drm_display_mode *mode;
+
+       const struct dw_mipi_dsi_plat_data *pdata;
+

remove this blank line.

+};
+

[...]

+static void dw_mipi_dsi_encoder_mode_set(struct drm_encoder *encoder,
+                                       struct drm_display_mode *mode,
+                                       struct drm_display_mode *adjusted_mode)
+{
+       struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);
+       int ret;
+
+       dsi->mode = adjusted_mode;
+
+       ret = dw_mipi_dsi_get_lane_bps(dsi);
+       if (ret < 0)
+               return;
+
+       if (clk_prepare_enable(dsi->pclk)) {
+               dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__);
+               return;
+       }
+
+       dw_mipi_dsi_init(dsi);
+       dw_mipi_dsi_dpi_config(dsi, mode);
+       dw_mipi_dsi_packet_handler_config(dsi);
+       dw_mipi_dsi_video_mode_config(dsi);
+       dw_mipi_dsi_video_packet_config(dsi, mode);
+       dw_mipi_dsi_command_mode_config(dsi);
+       dw_mipi_dsi_line_timer_config(dsi);
+       dw_mipi_dsi_vertical_timing_config(dsi);
+       dw_mipi_dsi_dphy_timing_config(dsi);
+       dw_mipi_dsi_dphy_interface_config(dsi);
+       dw_mipi_dsi_clear_err(dsi);
+       if (drm_panel_prepare(dsi->panel)) {
+               dev_err(dsi->dev, "failed to prepare panel\n");

Don't forget doing clk_disable_unprepare when run into error path.

+               return;
+       }
+       clk_disable_unprepare(dsi->pclk);
+}
+


--
Mark Yao


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