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drm/i915/snb: remove pre-production hardware workaround

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Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula
2015-10-07 11:17:44 +03:00
committed by Daniel Vetter
parent 26148bd3c0
commit d39398f537
1 changed files with 1 additions and 17 deletions
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18
drivers/gpu/drm/i915/i915_gem.c
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@@ -4558,22 +4558,6 @@ void i915_gem_init_swizzling(struct drm_device *dev)
BUG(); BUG();
} }
static bool
intel_enable_blt(struct drm_device *dev)
{
if (!HAS_BLT(dev))
return false;
/* The blitter was dysfunctional on early prototypes */
if (IS_GEN6(dev) && dev->pdev->revision < 8) {
DRM_INFO("BLT not supported on this pre-production hardware;"
" graphics performance will be degraded.\n");
return false;
}
return true;
}
static void init_unused_ring(struct drm_device *dev, u32 base) static void init_unused_ring(struct drm_device *dev, u32 base)
{ {
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4616,7 +4600,7 @@ int i915_gem_init_rings(struct drm_device *dev)
goto cleanup_render_ring; goto cleanup_render_ring;
} }
if (intel_enable_blt(dev)) { if (HAS_BLT(dev)) {
ret = intel_init_blt_ring_buffer(dev); ret = intel_init_blt_ring_buffer(dev);
if (ret) if (ret)
goto cleanup_bsd_ring; goto cleanup_bsd_ring;