drm/i915: Align initial plane backing objects correctly

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[ Upstream commit f37b5c2be8 ]

Some bios really like to joke and start the planes at an offset ...
hooray!

Align start and end to fix this.

v2: Fixup calculation of size, spotted by Chris Wilson.

v3: Fix serious fumble I've just spotted.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86883
Cc: stable@vger.kernel.org
Cc: Johannes W <jargon@molb.org>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reported-and-tested-by: Johannes W <jargon@molb.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
[Jani: split WARN_ONs, rebase on v4.0-rc1]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

...

This commit is contained in:

Daniel Vetter 2015-02-10 23:12:27 +01:00 • committed by Sasha Levin

parent fea8f8a4c5

commit 171c32b52f

2 changed files with 12 additions and 11 deletions

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5

drivers/gpu/drm/i915/i915_gem_stolen.c

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18

drivers/gpu/drm/i915/intel_display.c

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