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radv: use ac_gpu_info::use_late_alloc

Browse source 
Based on PAL and RadeonSI.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4144>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4144>
This commit is contained in:
Samuel Pitoiset 2020-03-11 09:25:21 +01:00 • committed by Marge Bot
parent 741dd9e32b
commit a46e9f4d9a
1 changed files with 6 additions and 4 deletions
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10
src/amd/vulkan/si_cmd_buffer.c
View file

@ -302,7 +302,9 @@ si_emit_graphics(struct radv_physical_device *physical_device,
/* For Wave32, the hw will launch twice the number of late
* alloc waves, so 1 == 2x wave32.
*/
if (num_cu_per_sh <= 6) {
if (!physical_device->rad_info.use_late_alloc) {
late_alloc_wave64 = 0;
} else if (num_cu_per_sh <= 6) {
late_alloc_wave64 = num_cu_per_sh - 2;
} else {
late_alloc_wave64 = (num_cu_per_sh - 2) * 4;
@ -323,8 +325,8 @@ si_emit_graphics(struct radv_physical_device *physical_device,
cu_mask_gs = 0xffff;
}
} else {
if (physical_device->rad_info.family == CHIP_KABINI) {
late_alloc_wave64 = 0; /* Potential hang on Kabini. */
if (!physical_device->rad_info.use_late_alloc) {
late_alloc_wave64 = 0;
} else if (num_cu_per_sh <= 4) {
/* Too few available compute units per SH.
* Disallowing VS to run on one CU could hurt
@ -425,7 +427,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
/* TODO: For culling, replace 128 with 256. */
radeon_set_uconfig_reg(cs, R_030980_GE_PC_ALLOC,
S_030980_OVERSUB_EN(1) |
S_030980_OVERSUB_EN(physical_device->rad_info.use_late_alloc) |
S_030980_NUM_PC_LINES(128 * physical_device->rad_info.max_se - 1));
}