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authorJordan Justen <jordan.l.justen@intel.com>2018-03-06 10:54:56 -0800
committerJordan Justen <jordan.l.justen@intel.com>2018-03-07 00:15:12 -0800
commit4e775aa077959e331cf7f910b0480ac99d97781b (patch)
treedf1c76ef008bb807871bc9b518820fc53d61f651
parent530edc9708055d6a198600e7933e3cebd2a7c5b5 (diff)
intel/vulkan: Use devinfo cs_scratch_ids_per_subsliceintel-cs-scratch-buffer-size
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
-rw-r--r--src/intel/vulkan/anv_allocator.c31
1 files changed, 3 insertions, 28 deletions
diff --git a/src/intel/vulkan/anv_allocator.c b/src/intel/vulkan/anv_allocator.c
index 423e863a9e0..eb52812191b 100644
--- a/src/intel/vulkan/anv_allocator.c
+++ b/src/intel/vulkan/anv_allocator.c
@@ -1098,34 +1098,9 @@ anv_scratch_pool_alloc(struct anv_device *device, struct anv_scratch_pool *pool,
const struct gen_device_info *devinfo = &physical_device->info;
const unsigned subslices = MAX2(physical_device->subslice_total, 1);
-
- unsigned scratch_ids_per_subslice;
- if (devinfo->is_haswell) {
- /* WaCSScratchSize:hsw
- *
- * Haswell's scratch space address calculation appears to be sparse
- * rather than tightly packed. The Thread ID has bits indicating
- * which subslice, EU within a subslice, and thread within an EU it
- * is. There's a maximum of two slices and two subslices, so these
- * can be stored with a single bit. Even though there are only 10 EUs
- * per subslice, this is stored in 4 bits, so there's an effective
- * maximum value of 16 EUs. Similarly, although there are only 7
- * threads per EU, this is stored in a 3 bit number, giving an
- * effective maximum value of 8 threads per EU.
- *
- * This means that we need to use 16 * 8 instead of 10 * 7 for the
- * number of threads per subslice.
- */
- scratch_ids_per_subslice = 16 * 8;
- } else if (devinfo->is_cherryview) {
- /* For Cherryview, it appears that the scratch addresses for the 6 EU
- * devices may still generate compute scratch addresses covering the
- * same range as 8 EU.
- */
- scratch_ids_per_subslice = 8 * 7;
- } else {
- scratch_ids_per_subslice = devinfo->max_cs_threads;
- }
+ const unsigned scratch_ids_per_subslice =
+ devinfo->cs_scratch_ids_per_subslice ?
+ devinfo->cs_scratch_ids_per_subslice : devinfo->max_cs_threads;
uint32_t max_threads[] = {
[MESA_SHADER_VERTEX] = devinfo->max_vs_threads,