Re: [PATCH v3 0/7] drm: Add driver for Solomon SSD130X OLED displays

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Hello Geert,

On 2/10/22 18:06, Geert Uytterhoeven wrote:
> On Wed, Feb 9, 2022 at 1:19 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>> On Wed, Feb 9, 2022 at 10:03 AM Javier Martinez Canillas
>> <javierm@xxxxxxxxxx> wrote:
>>> This patch series adds a DRM driver for the Solomon OLED SSD1305, SSD1306,
>>> SSD1307 and SSD1309 displays. It is a port of the ssd1307fb fbdev driver.
>>
>> [...]
> 
>> The logo is not shown, even when I create a 16-color or 224-color
>> version of the small monochrome logo I'm using.
> 
> My mistake, I messed up the hook-up, causing it to pick a different
> logo that was too large to be displayed.
>

Great, thanks for all the testing.
 
> Of course it's using the 224-color logo reduced to monochrome instead
> of the real monochrome logo, as fbcon thinks it's running on XRGB8888.
>

Right. Once the patch lands, I'll look at wiring up the needed support in
DRM for the drivers to be able to advertise 8-bit grayscale and monochrome
to avoid the unnecessary conversions and to have feature parity with fbdev.

But I just wanted to do it incrementally and first port to DRM as first step.
 
Best regards,
-- 
Javier Martinez Canillas
Linux Engineering
Red Hat




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