diff options
| author | Samuel Pitoiset <[email protected]> | 2020-02-20 08:50:29 +0100 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-02-26 07:58:47 +0000 |
| commit | 568f1504098f6204bcc842d66be0126764cb7d13 (patch) | |
| tree | 92470207036dabf3cb3ae1af3475812f47734c71 /src/amd/vulkan/radv_shader.c | |
| parent | ea91b15a31369adafb8c7ecb1e345d24ee8d1948 (diff) | |
radv/gfx10: adjust the LDS size used to compute waves
It's 128KB per CU in WGP.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3899>
Diffstat (limited to 'src/amd/vulkan/radv_shader.c')
| -rw-r--r-- | src/amd/vulkan/radv_shader.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c index cad95f830aa..1220b4ae8b7 100644 --- a/src/amd/vulkan/radv_shader.c +++ b/src/amd/vulkan/radv_shader.c @@ -1336,11 +1336,9 @@ radv_get_max_waves(struct radv_device *device, RADV_NUM_PHYSICAL_VGPRS / vgprs); } - /* LDS is 64KB per CU (4 SIMDs), divided into 16KB blocks per SIMD - * that PS can use. - */ + unsigned max_lds_per_simd = device->physical_device->rad_info.lds_size_per_cu / device->physical_device->rad_info.num_simd_per_compute_unit; if (lds_per_wave) - max_simd_waves = MIN2(max_simd_waves, 16384 / lds_per_wave); + max_simd_waves = MIN2(max_simd_waves, max_lds_per_simd / lds_per_wave); return max_simd_waves; } |