From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Mon, 10 Nov 2014 16:47:30 +0000 (-0200)
Subject: drm/i915: use the correct obj when preparing the sprite plane
X-Git-Tag: omap-for-v3.19/fixes-rc1~80^2~14^2~114
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8bbac1d01397ead65516f11adba1c7baf76a016;p=pandora-kernel.git

drm/i915: use the correct obj when preparing the sprite plane

Commit "drm/i915: create a prepare phase for sprite plane updates"
changed the old_obj pointer we use when committing sprite planes,
which caused a WARN() and a BUG() to be triggered. Later, commit
"drm/i915: use intel_fb_obj() macros to assign gem objects" introduced
the same problem to function intel_commit_sprite_plane().

Regression introduced by:
    commit ec82cb793c9224e0692eed904f43490cf70e8258
    Author: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
    Date:   Fri Oct 24 14:51:32 2014 +0100
        drm/i915: create a prepare phase for sprite plane updates
and:
    commit 77cde95217484e845743818691df026cec2534f4
    Author: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
    Date:   Fri Oct 24 14:51:33 2014 +0100
        drm/i915: use intel_fb_obj() macros to assign gem objects

Credits to Imre Deak for pointing out the exact lines that were wrong.

v2: Also fix intel_commit_sprite_plane() (Ville)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85634
Testcase: igt/pm_rpm/legacy-planes
Testcase: igt/pm_rpm/legacy-planes-dpms
Testcase: igt/pm_rpm/universal-planes
Testcase: igt/pm_rpm/universal-planes-dpms
Credits-to: Imre Deak <imre.deak@intel.com>
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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