[PATCH v2] drm/rockchip: vop: Fix color for RGB888/BGR888 format on VOP full

Jonas Karlman jonas at kwiboo.se
Thu Oct 26 13:33:19 PDT 2023


Hi Chris,

On 2023-10-26 22:02, Christopher Obbard wrote:
> Hi Jonas,
> 
> On Thu, 2023-10-26 at 19:14 +0000, Jonas Karlman wrote:
>> Use of DRM_FORMAT_RGB888 and DRM_FORMAT_BGR888 on e.g. RK3288, RK3328
>> and RK3399 result in wrong colors being displayed.
>>
>> The issue can be observed using modetest:
>>
>>   modetest -s <connector_id>@<crtc_id>:1920x1080-60 at RG24
>>   modetest -s <connector_id>@<crtc_id>:1920x1080-60 at BG24
>>
>> Vendor 4.4 kernel apply an inverted rb swap for these formats on VOP
>> full framework (IP version 3.x) compared to VOP little framework (2.x).
>>
>> Fix colors by applying different rb swap for VOP full framework (3.x)
>> and VOP little framework (2.x) similar to vendor 4.4 kernel.
>>
>> Fixes: 85a359f25388 ("drm/rockchip: Add BGR formats to VOP")
>> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
> 
> Reviewed-by: Christopher Obbard <chris.obbard at collabora.com>
> Tested-by: Christopher Obbard <chris.obbard at collabora.com>
> 
> Since you missed adding my *-by tags in v2.
> 

Thanks, and sorry about that ;-)

Regards,
Jonas



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