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(parent: 1c8242c) | patch
drm/i915: Use unchecked uncore writes to flush the GTT
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 4 Jun 2019 12:00:22 +0000 (13:00 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 4 Jun 2019 13:51:25 +0000 (14:51 +0100)
commit59ec84eca57ab33107f1cd712a183ff5f9e234d8
treef9747a82dfedd3ac02d7678c350e527b660ddc07tree | snapshot
parent1c8242c3a4b2c1fc36c72c5f479058629f772b65commit | diff
drm/i915: Use unchecked uncore writes to flush the GTT

As the GTT is outside of the powerwell, we can simplify flushing the
GGTT writes by using an unchecked mmio write and post.

v2: s/unc/uncore/

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190604120022.20472-3-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_gem_gtt.c diff | blob | history
Domain: System / Kernel;