|
Only DM that’s open source is amdgpu_dm. the rest will remain closed
source. I remember we
had discussion around legal
issues with our grand plan of unifying everything, and I
remember maybe it was
John who assured us that it's okay. John
can you chime in how it would work with GPLv2 licsense? On 12/13/2016 4:40 AM, Lukas Wunner
wrote:
macOS currently ship with their own driver. I can't really comment on what macOS do without getting into trouble.On Mon, Dec 12, 2016 at 09:52:08PM -0500, Cheng, Tony wrote:With DC the display hardware programming, resource optimization, power management and interaction with rest of system will be fully validated across multiple OSs.Do I understand DAL3.jpg correctly that the macOS driver builds on top of DAL Core? I'm asking because the graphics drivers shipping with macOS as well as on Apple's EFI Firmware Volume are closed source. I am struggling with that these comminty contributions to DC would be.If the Linux community contributes to DC, I guess those contributions can generally be assumed to be GPLv2 licensed. Yet a future version of the macOS driver would incorporate those contributions in the same binary as their closed source OS-specific portion. Us AMD developer has access to HW docs and designer and we are still spending 50% of our time figuring out why our HW doesn't work right. I can't image community doing much of this heavy lifting. Dave sent us series of patch to show how it would look like if someone were to change DC. These changes are more removing code that DRM already has and deleting/clean up stuff. I guess we can nak all changes and "rewrite" our own version of clean up patch community want to see?I don't quite see how that would be legal but maybe I'm missing something. Presumably the situation with the Windows driver is the same. I guess you could maintain a separate branch sans community contributions which would serve as a basis for closed source drivers, but not sure if that is feasible given your resource constraints. Thanks, Lukas |
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