diff options
| -rw-r--r-- | src/sna/kgem.c | 13 | ||||
| -rw-r--r-- | src/sna/kgem.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/sna/kgem.c b/src/sna/kgem.c index e59811fa..c528fe76 100644 --- a/src/sna/kgem.c +++ b/src/sna/kgem.c @@ -697,12 +697,22 @@ void kgem_init(struct kgem *kgem, int fd, struct pci_device *dev, int gen) kgem->wedged = 1; } + kgem->has_relaxed_delta = + gem_param(kgem, I915_PARAM_HAS_RELAXED_DELTA) > 0; + DBG(("%s: has relaxed delta? %d\n", __FUNCTION__, + kgem->has_relaxed_delta)); + kgem->batch_size = ARRAY_SIZE(kgem->batch); if (gen == 22) /* 865g cannot handle a batch spanning multiple pages */ kgem->batch_size = PAGE_SIZE / sizeof(uint32_t); if (gen == 70) kgem->batch_size = 16*1024; + if (!kgem->has_relaxed_delta) + kgem->batch_size = 4*1024; + + DBG(("%s: maximum batch size? %d\n", __FUNCTION__, + kgem->batch_size)); kgem->min_alignment = 4; if (gen < 40) @@ -1877,6 +1887,9 @@ static int compact_batch_surface(struct kgem *kgem) { int size, shrink, n; + if (!kgem->has_relaxed_delta) + return kgem->batch_size; + /* See if we can pack the contents into one or two pages */ n = ALIGN(kgem->batch_size, 1024); size = n - kgem->surface + kgem->nbatch; diff --git a/src/sna/kgem.h b/src/sna/kgem.h index ba110b6f..75963264 100644 --- a/src/sna/kgem.h +++ b/src/sna/kgem.h @@ -154,6 +154,7 @@ struct kgem { uint32_t has_vmap :1; uint32_t has_relaxed_fencing :1; + uint32_t has_relaxed_delta :1; uint32_t has_semaphores :1; uint32_t has_cache_level :1; uint32_t has_llc :1; |