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radv/amdgpu: Use STACK_ARRAY for IB array to reduce stack usage.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22668>
This commit is contained in:
Timur Kristóf 2023-04-24 16:46:41 +02:00 • committed by Marge Bot
parent 984c0baa88
commit 53b439d24f
1 changed files with 8 additions and 5 deletions
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13
src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c
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@ -909,10 +909,17 @@ radv_amdgpu_winsys_cs_submit_internal(
struct radv_amdgpu_cs *last_cs = radv_amdgpu_cs(cs_array[cs_count - 1]);
struct radv_amdgpu_winsys *ws = last_cs->ws;
assert(cs_count);
const unsigned num_pre_post_cs =
MAX2(initial_preamble_count, continue_preamble_count) + postamble_count;
const unsigned ib_array_size = MIN2(RADV_MAX_IBS_PER_SUBMIT, num_pre_post_cs + cs_count);
STACK_ARRAY(struct radv_amdgpu_cs_ib_info, ibs, ib_array_size);
struct drm_amdgpu_bo_list_entry *handles = NULL;
unsigned num_handles = 0;
u_rwlock_rdlock(&ws->global_bo_list.lock);
result = radv_amdgpu_get_bo_list(
ws, &cs_array[0], cs_count, initial_preamble_cs, initial_preamble_count, continue_preamble_cs,
continue_preamble_count, postamble_cs, postamble_count, &num_handles, &handles);
@ -921,7 +928,6 @@ radv_amdgpu_winsys_cs_submit_internal(
/* Configure the CS request. */
const uint8_t *max_ib_per_ip = ws->info.max_submitted_ibs;
struct radv_amdgpu_cs_ib_info ibs[RADV_MAX_IBS_PER_SUBMIT];
struct radv_amdgpu_cs_request request = {
.ip_type = last_cs->hw_ip,
.ip_instance = 0,
@ -932,10 +938,6 @@ radv_amdgpu_winsys_cs_submit_internal(
.number_of_ibs = 0, /* set below */
};
assert(cs_count);
assert(MAX2(initial_preamble_count, continue_preamble_count) + postamble_count <
RADV_MAX_IBS_PER_SUBMIT);
for (unsigned cs_idx = 0, cs_ib_idx = 0; cs_idx < cs_count;) {
struct radeon_cmdbuf **preambles = cs_idx ? continue_preamble_cs : initial_preamble_cs;
const unsigned preamble_count = cs_idx ? continue_preamble_count : initial_preamble_count;
@ -1029,6 +1031,7 @@ radv_amdgpu_winsys_cs_submit_internal(
fail:
u_rwlock_rdunlock(&ws->global_bo_list.lock);
STACK_ARRAY_FINISH(ibs);
return result;
}