drm/amdgpu: add an interface to get gfx constants from atombios

Fetch the values from atom rather than hardcoding them in the
driver.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-03-14 16:51:24 -04:00
commit 397a270eff
2 changed files with 32 additions and 0 deletions