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radv: adjust ESGS ring buffer size computation on VI+

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Noticed while working in this area. Ported from RadeonSI.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Samuel Pitoiset 2018-09-10 18:14:41 +02:00
parent 47e01e77d8
commit 3d08631fe5
1 changed files with 5 additions and 1 deletions
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6
src/amd/vulkan/radv_pipeline.c
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@ -1575,7 +1575,11 @@ calculate_gs_ring_sizes(struct radv_pipeline *pipeline, const struct radv_gs_sta
unsigned num_se = device->physical_device->rad_info.max_se;
unsigned wave_size = 64;
unsigned max_gs_waves = 32 * num_se; /* max 32 per SE on GCN */
unsigned gs_vertex_reuse = 16 * num_se; /* GS_VERTEX_REUSE register (per SE) */
/* On SI-CI, the value comes from VGT_GS_VERTEX_REUSE = 16.
* On VI+, the value comes from VGT_VERTEX_REUSE_BLOCK_CNTL = 30 (+2).
*/
unsigned gs_vertex_reuse =
(device->physical_device->rad_info.chip_class >= VI ? 32 : 16) * num_se;
unsigned alignment = 256 * num_se;
/* The maximum size is 63.999 MB per SE. */
unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se;