diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-04-13 15:51:51 +0200 |
---|---|---|
committer | Ben Hutchings <ben@decadent.org.uk> | 2012-10-30 23:26:30 +0000 |
commit | f654d7c3bbc0290054492d780801a40f992a23b9 (patch) | |
tree | 702f16265cc925f0f2c6f5aaa6d6c54b94583a5e | |
parent | 8b627487f0ca84067d592ab8a4d126620fa59092 (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>
[Luís Picciochi Oliveira: I picked the commit Daniel suggested and
edited it to affect the code that matched the same logical location on
the same function.]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
-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 33e155590a5..dbe4dbe4647 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -999,6 +999,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, if (obj->phys_obj) ret = i915_gem_phys_pwrite(dev, obj, args, file); else 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) |