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drm/i915: add frontbuffer tracking to FBC

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Kill the blt/render tracking we currently have and use the frontbuffer
tracking infrastructure.

Don't enable things by default yet.

v2: (Rodrigo) Fix small conflict on rebase and typo at subject.
v3: (Paulo) Rebase on RENDER_CS change.
v4: (Paulo) Rebase.
v5: (Paulo) Simplify: flushes don't have origin (Daniel).
            Also rebase due to patch order changes.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni
2015-02-13 17:23:46 -02:00
committed by Daniel Vetter
parent 3954e733ab
commit dbef0f15b5
6 changed files with 65 additions and 98 deletions
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14
drivers/gpu/drm/i915/intel_frontbuffer.c
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@@ -118,8 +118,6 @@ static void intel_mark_fb_busy(struct drm_device *dev,
continue;
intel_increase_pllclock(dev, pipe);
if (ring && intel_fbc_enabled(dev))
ring->fbc_dirty = true;
}
}
@@ -160,6 +158,7 @@ void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
intel_psr_invalidate(dev, obj->frontbuffer_bits);
intel_edp_drrs_invalidate(dev, obj->frontbuffer_bits);
intel_fbc_invalidate(dev_priv, obj->frontbuffer_bits, origin);
}
/**
@@ -187,16 +186,7 @@ void intel_frontbuffer_flush(struct drm_device *dev,
intel_edp_drrs_flush(dev, frontbuffer_bits);
intel_psr_flush(dev, frontbuffer_bits);
/*
* FIXME: Unconditional fbc flushing here is a rather gross hack and
* needs to be reworked into a proper frontbuffer tracking scheme like
* psr employs.
*/
if (dev_priv->fbc.need_sw_cache_clean) {
dev_priv->fbc.need_sw_cache_clean = false;
bdw_fbc_sw_flush(dev, FBC_REND_CACHE_CLEAN);
}
intel_fbc_flush(dev_priv, frontbuffer_bits);
}
/**