[PATCH] drm/amd/display: Fix AMDGPU_MAX_BL_LEVEL value

[Limonciello, Mario]

On 6/23/25 11:49 AM, Marcus Seyfarth wrote:
> Just FYI, using Clang-21git, I see this new warning with the current patch:
> 
> drivers/gpu/drm/amd/amdgpu/atombios_encoders.c:131:11: warning:
> implicit conversion from 'int' to 'u8' (aka 'unsigned char') changes
> value from 65535 to 255 [-Wconstant-conversion]
>   131 |                 level = AMDGPU_MAX_BL_LEVEL;
>       |                       ~ ^~~~~~~~~~~~~~~~~~~
> drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h:438:29: note: expanded from
> macro 'AMDGPU_MAX_BL_LEVEL'
>   438 | #define AMDGPU_MAX_BL_LEVEL 0xFFFF
>       |                             ^~~~~~
> 1 warning generated.

Thanks.  I'm going to spin it to make amdgpu_dm and atombios use 
different values.  I'll drop an updated patch later today.