On 16/03/2025 18:40, Anusha Srivatsa wrote:


On Fri, Mar 14, 2025 at 10:20 AM Doug Anderson <diand...@chromium.org 
<mailto:diand...@chromium.org>> wrote:

    Hi,

    On Thu, Mar 13, 2025 at 9:47 PM Anusha Srivatsa <asriv...@redhat.com 
<mailto:asriv...@redhat.com>> wrote:
     >
     > @@ -181,24 +162,15 @@ static int r63353_panel_prepare(struct drm_panel 
*panel)
     >  static int r63353_panel_deactivate(struct r63353_panel *rpanel)
     >  {
     >         struct mipi_dsi_device *dsi = rpanel->dsi;
     > -       struct device *dev = &dsi->dev;
     > -       int ret;
     > +       struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
     >
     > -       ret = mipi_dsi_dcs_set_display_off(dsi);
     > -       if (ret < 0) {
     > -               dev_err(dev, "Failed to set display OFF (%d)\n", ret);
     > -               return ret;
     > -       }
     > +       mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
     >
     > -       usleep_range(5000, 10000);
     > +       mipi_dsi_usleep_range(&dsi_ctx, 5000, 10000);
     >
     > -       ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
     > -       if (ret < 0) {
     > -               dev_err(dev, "Failed to enter sleep mode (%d)\n", ret);
     > -               return ret;
     > -       }
     > +       mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
     >
     > -       return 0;
     > +       return dsi_ctx.accum_err;

    nit: the one caller of r63353_panel_deactivate() doesn't actually look
    at the error code, so this could be a function that returns "void".
    That was true even before your patch, though. I wouldn't mind a
    followup patch that fixed this. ;-)


This is anyway not merged, Maybe better to fix right now instead of a follow up 
patch?

If you can, yeah fix it now !


    In any case, the patch looks reasonable to me now.

    Reviewed-by: Douglas Anderson <diand...@chromium.org 
<mailto:diand...@chromium.org>>


Thanks :)

Anusha


Thanks,
Neil


    Happy for someone else to apply it if they want. If not, I'll snooze
    this for ~a week to give others a chance to comment and then plan to
push to drm-misc-next.


    -Doug


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