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| author |   Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2017-08-11 12:51:26 +0300 |
|---|---|---|
| committer |   Zhenyu Wang <zhenyuw@linux.intel.com> | 2017-08-15 10:11:49 +0800 |
| commit | 4fc05063519cb7699142909e63807e55e03bde34 (patch) | |
| tree | b4233377d80584e3c8a8211267d2177b8ae87ebe | |
| parent | drm/i915/gvt: Add shadow context descriptor updating (diff) | |
| download | linux-dev-4fc05063519cb7699142909e63807e55e03bde34.tar.xz linux-dev-4fc05063519cb7699142909e63807e55e03bde34.zip | |
drm/i915: Disconnect 32 and 48 bit ppGTT support
Configurations like virtualized environments may support only 48 bit
ppGTT without supporting 32 bit ppGTT. Support this by disconnecting
the relationship of the two feature bits.
Cc: Tina Zhang <tina.zhang@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 10aa7762d9a6..a5eada1b93c5 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -180,10 +180,15 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, return 0; } - if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists && has_full_ppgtt) - return has_full_48bit_ppgtt ? 3 : 2; - else - return has_aliasing_ppgtt ? 1 : 0; + if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists) { + if (has_full_48bit_ppgtt) + return 3; + + if (has_full_ppgtt) + return 2; + } + + return has_aliasing_ppgtt ? 1 : 0; } static int ppgtt_bind_vma(struct i915_vma *vma, |