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anv: Fix compute maximum number of threads value

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There is no mention in spec about subtract one of the number of
threads, also Iris and blorp code don't subtract.

Alchemist PRMs: Volume 2a: Command Reference: Instructions: CFE_STATE: Maximum Number of Threads:
	Normally set to the maximum number of threads: (# EUs) * (# threads/EU)

Cc: mesa-stable
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Rohan Garg <rohan.garg@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23973>
This commit is contained in:
José Roberto de Souza
2023-07-03 08:15:00 -07:00
committed by Marge Bot
parent 608504c774
commit c142736f52
1 changed files with 1 additions and 3 deletions
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4
src/intel/vulkan/genX_cmd_buffer.c
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@@ -5676,9 +5676,7 @@ genX(cmd_buffer_ensure_cfe_state)(struct anv_cmd_buffer *cmd_buffer,
const struct intel_device_info *devinfo = cmd_buffer->device->info;
anv_batch_emit(&cmd_buffer->batch, GENX(CFE_STATE), cfe) {
const uint32_t subslices = MAX2(devinfo->subslice_total, 1);
cfe.MaximumNumberofThreads =
devinfo->max_cs_threads * subslices - 1;
cfe.MaximumNumberofThreads = devinfo->max_cs_threads * devinfo->subslice_total;
uint32_t scratch_surf = 0xffffffff;
if (total_scratch > 0) {