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| author |   Ben Widawsky <benjamin.widawsky@intel.com> | 2013-12-24 15:18:54 -0800 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-01-06 11:11:04 +0100 |
| commit | 058840c7a06bc7d6825caae7c7f9c4759b24aaa5 (patch) | |
| tree | 11505759325b858e204321478d69e538667a3fb0 /drivers | |
| parent | Linux 3.13-rc7 (diff) | |
| download | linux-dev-058840c7a06bc7d6825caae7c7f9c4759b24aaa5.tar.xz linux-dev-058840c7a06bc7d6825caae7c7f9c4759b24aaa5.zip | |
drm/i915/bdw: Flush system agent on gen8 also
gem_gtt_cpu_tlb seems to indicate that it is needed.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72869
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index c79dd2b1f70e..d3c3b5b15824 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -906,14 +906,12 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm, WARN_ON(readq(>t_entries[i-1]) != gen8_pte_encode(addr, level, true)); -#if 0 /* TODO: Still needed on GEN8? */ /* This next bit makes the above posting read even more important. We * want to flush the TLBs only after we're certain all the PTE updates * have finished. */ I915_WRITE(GFX_FLSH_CNTL_GEN6, GFX_FLSH_CNTL_EN); POSTING_READ(GFX_FLSH_CNTL_GEN6); -#endif } /* |