[U-Boot] [PATCH V4 03/12] video:exynos_fb:fdt: add additional fdt data

Piotr Wilczek p.wilczek at samsung.com
Wed Mar 5 08:11:54 CET 2014


Hi Ajay,

On 03/05/2014 07:06 AM, Ajay kumar wrote:
> Piotr,
>
> Sorry for late reply.
> Can you change the name of exynos_lcd_panel_init
> to exynos_lcd_misc_init. panel_init definitely gives a wrong meaning.
>
Yes, I can.

> And, can you let me know where you are actually using
> "panel_info.resolution"? Is it needed for FIMD or is it needed by MIPI-DSI?
> If it is MIPI specific, then it should come as a DT entry from MIPI-DSI
> node.
>
Well, it looks like it is not used any more. I will remove it completely.

> Also, if you add a new DT entry, please update the following file:
> doc/device-tree-bindings/video/exynos-fb.txt
>
Ok.

> Regards,
> Ajay Kumar
>
>

Best regards,
Piotr Wilczek

>
> On Tue, Mar 4, 2014 at 7:25 PM, Piotr Wilczek <p.wilczek at samsung.com> wrote:
>
>> This patch adds additional data parsing from DTB and adds the new
>> exynos_lcd_panel_init() function for panel specific initialisation
>> from the board file.
>>
>> Signed-off-by: Piotr Wilczek <p.wilczek at samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
>> Cc: Minkyu Kang <mk7.kang at samsung.com>
>> ---
>> Changes for v4:
>>   - remove duplicated DT properties at exynos_fb.c file
>>
>> Changes for v3:
>>   - none
>>
>> Changes for v2:
>>   - removed duplicate DTB node parsing for panel_info.logo_on
>>   - added (weak) exynos_lcd_panel_init function for panel specific
>>          initialisation from board file
>>
>>   drivers/video/exynos_fb.c | 15 +++++++++++++++
>>   1 file changed, 15 insertions(+)
>>
>> diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c
>> index 00a0a11..77a3186 100644
>> --- a/drivers/video/exynos_fb.c
>> +++ b/drivers/video/exynos_fb.c
>> @@ -104,6 +104,13 @@ void __exynos_backlight_reset(void)
>>   void exynos_backlight_reset(void)
>>          __attribute__((weak, alias("__exynos_backlight_reset")));
>>
>> +int __exynos_lcd_panel_init(vidinfo_t *vid)
>> +{
>> +       return 0;
>> +}
>> +int exynos_lcd_panel_init(vidinfo_t *vid)
>> +       __attribute__((weak, alias("__exynos_lcd_panel_init")));
>> +
>>   static void lcd_panel_on(vidinfo_t *vid)
>>   {
>>          udelay(vid->init_delay);
>> @@ -269,6 +276,9 @@ int exynos_fimd_parse_dt(const void *blob)
>>          panel_info.dual_lcd_enabled = fdtdec_get_int(blob, node,
>>
>> "samsung,dual-lcd-enabled", 0);
>>
>> +       panel_info.resolution = fdtdec_get_int(blob, node,
>> +                                               "samsung,resolution", 0);
>> +
>>          return 0;
>>   }
>>   #endif
>> @@ -281,10 +291,15 @@ void lcd_ctrl_init(void *lcdbase)
>>   #ifdef CONFIG_OF_CONTROL
>>          if (exynos_fimd_parse_dt(gd->fdt_blob))
>>                  debug("Can't get proper panel info\n");
>> +#ifdef CONFIG_EXYNOS_MIPI_DSIM
>> +       exynos_init_dsim_platform_data(&panel_info);
>> +#endif
>> +       exynos_lcd_panel_init(&panel_info);
>>   #else
>>          /* initialize parameters which is specific to panel. */
>>          init_panel_info(&panel_info);
>>   #endif
>> +
>>          panel_width = panel_info.vl_width;
>>          panel_height = panel_info.vl_height;
>>
>> --
>> 1.8.3.2
>>
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>>
>
>
>
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