drm/i915: Downgrade misleading "Memory usable" message
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 12 Dec 2017 11:35:32 +0000 (11:35 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 12 Dec 2017 21:07:41 +0000 (21:07 +0000)
commit1875fe7ba15020a0d45856d16c17e57ebcbc0bec
tree05187a9b9c0789eb381bea89020cd346174098b5
parent3ef98f50ca7cef5cc9b9bf89cd46830afbf4df68
drm/i915: Downgrade misleading "Memory usable" message

It never meant what it said, as it was always the total size of the
Global GTT and not a limit upon memory usage. Originally it served as a
quick guide to the largest batch that could be submitted by userspace,
an approximation to its maximum RSS, but was phrased badly. Today with
the 48b ppgtt, it is even more meaningless. Replace with a more specific
debug message; those wanting to know how much "video ram" they have
should consult the userspace libraries for the relevant approximation.

v2: Rebase

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171212113532.22574-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
drivers/gpu/drm/i915/i915_gem_gtt.c