Re: [PATCH 1/2] drm/panel: sitronix-st7789v: add panel orientation support

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Hi Neil,

On 8/2/23 14:39, Neil Armstrong wrote:
> On 18/07/2023 17:12, Michael Riesch wrote:
>> Determine the orientation of the display based on the device tree and
>> propagate it.
>>
>> While at it, fix the indentation in the struct drm_panel_funcs.
>>
>> Signed-off-by: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>
>> ---
>>   drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 28
>> +++++++++++++++++++++-----
>>   1 file changed, 23 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
>> b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
>> index bbc4569cbcdc..6575f07d49e3 100644
>> --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
>> +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
>> @@ -116,6 +116,7 @@ struct st7789v {
>>       struct spi_device *spi;
>>       struct gpio_desc *reset;
>>       struct regulator *power;
>> +    enum drm_panel_orientation orientation;
>>   };
>>     enum st7789v_prefix {
>> @@ -170,6 +171,7 @@ static const struct drm_display_mode default_mode = {
>>   static int st7789v_get_modes(struct drm_panel *panel,
>>                    struct drm_connector *connector)
>>   {
>> +    struct st7789v *ctx = panel_to_st7789v(panel);
>>       struct drm_display_mode *mode;
>>         mode = drm_mode_duplicate(connector->dev, &default_mode);
>> @@ -188,9 +190,22 @@ static int st7789v_get_modes(struct drm_panel
>> *panel,
>>       connector->display_info.width_mm = 61;
>>       connector->display_info.height_mm = 103;
>>   +    /*
>> +     * TODO: Remove once all drm drivers call
>> +     * drm_connector_set_orientation_from_panel()
>> +     */
>> +    drm_connector_set_panel_orientation(connector, ctx->orientation);
>> +
>>       return 1;
>>   }
>>   +static enum drm_panel_orientation st7789v_get_orientation(struct
>> drm_panel *p)
>> +{
>> +    struct st7789v *ctx = panel_to_st7789v(p);
>> +
>> +    return ctx->orientation;
>> +}
>> +
>>   static int st7789v_prepare(struct drm_panel *panel)
>>   {
>>       struct st7789v *ctx = panel_to_st7789v(panel);
>> @@ -346,11 +361,12 @@ static int st7789v_unprepare(struct drm_panel
>> *panel)
>>   }
>>     static const struct drm_panel_funcs st7789v_drm_funcs = {
>> -    .disable    = st7789v_disable,
>> -    .enable        = st7789v_enable,
>> -    .get_modes    = st7789v_get_modes,
>> -    .prepare    = st7789v_prepare,
>> -    .unprepare    = st7789v_unprepare,
>> +    .disable = st7789v_disable,
>> +    .enable    = st7789v_enable,
>> +    .get_modes = st7789v_get_modes,
>> +    .get_orientation = st7789v_get_orientation,
>> +    .prepare = st7789v_prepare,
>> +    .unprepare = st7789v_unprepare,
> 
> Changing the indentation of the whole block is a spurious change,
> either change it in a separate patch or use the current indentation
> style...

OK, if we agree that the indentation should be changed I'll be happy to
move the change to an extra patch.

>>   };
>>     static int st7789v_probe(struct spi_device *spi)
>> @@ -382,6 +398,8 @@ static int st7789v_probe(struct spi_device *spi)
>>       if (ret)
>>           return ret;
>>   +    of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
>> +
>>       drm_panel_add(&ctx->panel);
>>         return 0;
>>
> 
> With this changed:
> 
> Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>

Thanks!

Best regards,
Michael

> 
> Thanks,
> Neil
> 



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