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authorSamuel Pitoiset <[email protected]>2018-09-10 18:14:41 +0200
committerSamuel Pitoiset <[email protected]>2018-09-11 11:30:19 +0200
commit3d08631fe5779cfadfeba3df89fbbddf3fde331b (patch)
tree31fccd2751c2f3925826a59ffc4b7e88fdc30fd4
parent47e01e77d8b658606527f048cda786440f7fbe85 (diff)
radv: adjust ESGS ring buffer size computation on VI+
Noticed while working in this area. Ported from RadeonSI. Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Dave Airlie <[email protected]>
-rw-r--r--src/amd/vulkan/radv_pipeline.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 1741d5e9047..ae269c32c49 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -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;