Hello,
uto, 6. lip 2023. u 16:45 Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> napisao je:
>
> On 06/06/2023 16:07, Paulo Pavacic wrote:
> > Fannal C3004 is a 480x800 display made by fannal that requires
> > DCS initialization sequences.
> >
> > Signed-off-by: Paulo Pavacic <pavacic.p@xxxxxxxxx>
> > ---
> > v4 changelog:
> > - formatting and style changes
>
> Are you sure? I see other changes - removal of some code, handling
> errors and GPIO.
>
> > - change community room
>
> What does it mean? Where is this change in this patch?
>
> ...
>
> > +
> > +static const struct drm_panel_funcs fannal_panel_funcs = {
> > + .prepare = fannal_panel_prepare,
> > + .unprepare = fannal_panel_unprepare,
> > + .enable = fannal_panel_enable,
> > + .disable = fannal_panel_disable,
> > + .get_modes = fannal_panel_get_modes,
> > +};
> > +
> > +static int fannal_panel_probe(struct mipi_dsi_device *dsi)
> > +{
> > + struct device *dev = &dsi->dev;
> > + struct fannal_panel_data *panel_data;
> > + int ret;
> > +
> > + panel_data = devm_kzalloc(&dsi->dev, sizeof(*panel_data), GFP_KERNEL);
> > +
>
> Drop blank line.
>
> > + if (!panel_data)
> > + return -ENOMEM;
> > +
> > + panel_data->reset =
>
> You have wrong wrapping here. devm_gpiod_get_optional() goes after =.
I'm not sure why, but clang-format makes it that way. I'm using this
style: https://raw.githubusercontent.com/torvalds/linux/master/.clang-format
Do you have some other style?
>
> > + devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
> > +
>
> Drop blank line.
>
> > + if (IS_ERR(panel_data->reset)) {
> > + return dev_err_probe(
> > + dev, PTR_ERR(panel_data->reset),
> > + "error: probe: get reset GPIO: (%d) Check the fdt\n",
> > + ret);
> > + }
> > +
> > + mipi_dsi_set_drvdata(dsi, panel_data);
> > +
> > + dsi->format = MIPI_DSI_FMT_RGB888;
> > + dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS |
> > + MIPI_DSI_MODE_VSYNC_FLUSH | MIPI_DSI_MODE_VIDEO_HSE |
> > + MIPI_DSI_MODE_NO_EOT_PACKET |
> > + MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO;
> > + dsi->lanes = 2;
> > +
> > + gpiod_set_value_cansleep(panel_data->reset, 1);
> > +
> > + drm_panel_init(&panel_data->panel, dev, &fannal_panel_funcs,
> > + DRM_MODE_CONNECTOR_DSI);
> > + dev_set_drvdata(dev, panel_data);
> > +
> > + drm_panel_add(&panel_data->panel);
> > +
>
>
> Best regards,
> Krzysztof
>
Thanks,
Paulo
