diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-04-13 15:51:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 08:51:07 -0800 |
| commit | 1478f45496fca13f42fb7f940908b5cd3bee105c (patch) | |
| tree | 95069ff5cd6343f73d256b066ca480f5c7d9830b /drivers/gpu | |
| parent | b834417b9134b533c79a12ff134da40b982d6b2f (diff) | |
drm/i915: don't pwrite tiled objects through the gtt
commit c07496fa61f4c5cb2addd1c57f6b22fcaeea2eeb upstream.
... we will botch up the bit17 swizzling. Furthermore tiled pwrite is
a (now) unused slowpath, so no one really cares.
This fixes the last swizzling issues I have with i-g-t on my bit17
swizzling i915G. No regression, it's been broken since the dawn of
gem, but it's nice for regression tracking when really _all_ i-g-t
tests work.
Actually this is not true, Chris Wilson noticed while reviewing this
patch that the commit
commit d9e86c0ee60f323e890484628f351bf50fa9a15d
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Nov 10 16:40:20 2010 +0000
drm/i915: Pipelined fencing [infrastructure]
contained a functional change that broke things.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[jcristau: adjust context for 3.4]
Signed-off-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0d1e4b7b4b99..723544557037 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -928,6 +928,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, } if (obj->gtt_space && + obj->tiling_mode == I915_TILING_NONE && obj->base.write_domain != I915_GEM_DOMAIN_CPU) { ret = i915_gem_object_pin(obj, 0, true); if (ret) |