fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-06-19 10:38:30 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

radv: fix max_lds_per_simd on GFX10

Browse source 
num_simd_per_compute_unit was the number of SIMDs per compute unit, but
lds_size_per_workgroup was the bytes of LDS per WGP.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8761>
This commit is contained in:
Rhys Perry 2021-01-28 11:44:43 +00:00
parent 0face691b1
commit 43108824ec
1 changed files with 5 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/amd/vulkan/radv_shader.c
View file

@ -1599,7 +1599,11 @@ radv_get_max_waves(struct radv_device *device,
device->physical_device->rad_info.num_physical_wave64_vgprs_per_simd / vgprs);
}
unsigned max_lds_per_simd = device->physical_device->rad_info.lds_size_per_workgroup / device->physical_device->rad_info.num_simd_per_compute_unit;
unsigned simd_per_workgroup = device->physical_device->rad_info.num_simd_per_compute_unit;
if (chip_class >= GFX10)
simd_per_workgroup *= 2; /* like lds_size_per_workgroup, assume WGP on GFX10+ */
unsigned max_lds_per_simd = device->physical_device->rad_info.lds_size_per_workgroup / simd_per_workgroup;
if (lds_per_wave)
max_simd_waves = MIN2(max_simd_waves, max_lds_per_simd / lds_per_wave);