140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
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/*
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* Copyright © 2011-2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Chris Wilson <chris@chris-wilson.co.uk>
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*
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*/
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#ifndef GEN6_COMMON_H
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#define GEN6_COMMON_H
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#include "sna.h"
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#define NO_RING_SWITCH 0
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#define PREFER_RENDER 0
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static inline bool is_uncached(struct sna *sna,
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struct kgem_bo *bo)
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{
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return bo->scanout && !sna->kgem.has_wt;
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}
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inline static bool can_switch_to_blt(struct sna *sna,
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struct kgem_bo *bo,
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unsigned flags)
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{
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return false;
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}
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inline static bool can_switch_to_render(struct sna *sna,
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struct kgem_bo *bo)
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{
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if (sna->kgem.ring == KGEM_RENDER)
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return true;
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if (NO_RING_SWITCH)
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return false;
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if (!sna->kgem.has_semaphores)
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return false;
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if (bo && !RQ_IS_BLT(bo->rq) && !is_uncached(sna, bo))
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return true;
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return !kgem_ring_is_idle(&sna->kgem, KGEM_RENDER);
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}
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static inline bool untiled_tlb_miss(struct kgem_bo *bo)
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{
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if (kgem_bo_is_render(bo))
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return false;
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return bo->tiling == I915_TILING_NONE && bo->pitch >= 4096;
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}
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static int prefer_blt_bo(struct sna *sna, struct kgem_bo *bo)
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{
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if (bo->rq)
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return RQ_IS_BLT(bo->rq);
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if (sna->flags & SNA_POWERSAVE)
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return true;
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return bo->tiling == I915_TILING_NONE || is_uncached(sna, bo);
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}
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inline static bool force_blt_ring(struct sna *sna)
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{
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if (sna->flags & SNA_POWERSAVE)
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return true;
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if (sna->kgem.mode == KGEM_RENDER)
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return false;
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if (sna->render_state.gt < 2)
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return true;
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return false;
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}
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inline static bool prefer_blt_ring(struct sna *sna,
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struct kgem_bo *bo,
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unsigned flags)
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{
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assert(!force_blt_ring(sna));
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assert(!kgem_bo_is_render(bo));
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return can_switch_to_blt(sna, bo, flags);
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}
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inline static bool prefer_render_ring(struct sna *sna,
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struct kgem_bo *bo)
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{
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if (sna->flags & SNA_POWERSAVE)
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return false;
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if (sna->render_state.gt < 2)
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return false;
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return can_switch_to_render(sna, bo);
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}
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inline static bool
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prefer_blt_composite(struct sna *sna, struct sna_composite_op *tmp)
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{
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return false;
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}
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static inline bool prefer_blt_fill(struct sna *sna,
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struct kgem_bo *bo,
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unsigned flags)
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{
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return false;
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}
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void gen6_render_context_switch(struct kgem *kgem, int new_mode);
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void gen6_render_retire(struct kgem *kgem);
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#endif /* GEN6_COMMON_H */
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