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