446f254566ea8911c9e19c7bc8a162fc0e53cf31 - arm/linux

commit	446f254566ea8911c9e19c7bc8a162fc0e53cf31	[log] [tgz]
author	Armin Reese <armin.c.reese@intel.com>	Fri Mar 30 16:20:16 2012 -0700
committer	Daniel Vetter <daniel.vetter@ffwll.ch>	Tue Apr 17 17:54:51 2012 +0200
tree	22c60cf8cf85a7e87676780faeca086dafbb2596
parent	83de97c885b633ab6d12346a406911fadeb85f8c [diff]

drm/i915: Mask reserved bits in display/sprite address registers

The purpose of this patch is to avoid zeroing the lower 12 reserved bits
of surface base address registers (framebuffer & sprite).  There are bits
in that range that may occasionally be set by BIOS or by other components.

Signed-off-by: Armin Reese <armin.c.reese@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_irq.c[diff]
drivers/gpu/drm/i915/i915_reg.h[diff]
drivers/gpu/drm/i915/intel_display.c[diff]
drivers/gpu/drm/i915/intel_sprite.c[diff]

4 files changed

tree: 22c60cf8cf85a7e87676780faeca086dafbb2596