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| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2014-06-13 09:28:33 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-06-13 18:52:28 +0200 |
| commit | 62942ed7279d3e06dc15ae3d47665eff3b373327 (patch) | |
| tree | 6db901e49cd2c0940cc6e873b2821e11ef3ea31a /drivers/gpu/drm/i915/i915_gem_gtt.c | |
| parent | d593d992a99c4945a183611354dded7578abab7b (diff) | |
| download | op-kernel-dev-62942ed7279d3e06dc15ae3d47665eff3b373327.zip op-kernel-dev-62942ed7279d3e06dc15ae3d47665eff3b373327.tar.gz | |
drm/i915/vlv: disable PPGTT on early revs v3
Early revs didn't have PPGTT support, so disable there.
v2: add debug msg when disabling on early stepping
v3: enable on other B3 packages as well (untested) (Ville)
References: https://bugs.freedesktop.org/show_bug.cgi?id=79669
References: https://bugs.freedesktop.org/show_bug.cgi?id=79670
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index eec820a..6f5d5a1 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -63,6 +63,12 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) } #endif + /* Early VLV doesn't have this */ + if (IS_VALLEYVIEW(dev) && dev->pdev->revision < 0xb) { + DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n"); + return 0; + } + return HAS_ALIASING_PPGTT(dev) ? 1 : 0; } |
