[PATCH] drm/amdgpu/dc: Pixel encoding DRM property and module parameter

James Ettle james at ettle.org.uk
Mon Sep 28 20:45:39 UTC 2020


On Mon, 2020-09-28 at 16:32 -0400, Alex Deucher wrote:
> Yes, but module parameters global for all devices claimed by that
> driver.  E.g., if you have a system with 2 or 3 AMD GPUs in it, that
> will be applied to all of them.  I think if we want to be able to set
> KMS properties on the kernel command line, we should add the
> functionality to the drm core so it works for all drivers and
> properties.  We already have this for basic modesetting.
> 
> Alex

Thanks for clarifying that -- I see what was meant now.

Personally I'm not wedded to the module parameter, but I think if this
is to be of use to those who are experiencing problems it does need
*some* way of specifying the encoding pretty early on (for things like
boot splashes and GDM -- which I believe is on Wayland).

-James




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