summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
diff options
context:
space:
mode:
authorBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>2023-04-13 16:22:52 +0200
committerAlex Deucher <alexander.deucher@amd.com>2023-04-18 16:28:54 -0400
commitc30ddcece3a0a86853862a7d92678a79525ca1fb (patch)
treebcec2e3f1ba144eaab0930339c222af397ed3462 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
parent97041ed37718dc9ba30aa23ca74093dc93ac89fb (diff)
drm/amdgpu: Add a max ibs per submission limit.
And ensure each ring supports that many submissions. This makes sure that we don't get surprises after the submission has been scheduled where the ring allocation actually gets rejected. My calculations on the existing limits: COMPUTE v10: 128 COMPUTE v11: 128 COMPUTE v6: 157 COMPUTE v7: 133 COMPUTE v8: 130 COMPUTE v9: 125 GFX v10: 208 GFX v11: 213 GFX v6: 154 (doubling this in the previous patch) GFX v7: 226 GFX v8: 213 GFX v9: 208 GFX v9 (SW): 208 SDMA CIK: 87 SDMA SI: 97 SDMA v2.4: 74 SDMA v3.0: 74 SDMA v4.0: 72 SDMA v5.0: 51 SDMA v6.0: 52 UVD ENC v6.0: 98 UVD ENC v7.0: 92 UVD v3.1: 124 UVD v4.2: 124 UVD v5.0: 83 UVD v6.0 (VM): 55 UVD v7.0: 51 VCE v2.0: 126 VCE v3.0 (VM): 98 VCE v4.0: 93 VCN DEC v1.0: 49 VCN DEC v2.0: 51 VCN DEC v3.0: 51 VCN ENC v1.0: 58 VCN ENC v2.0: 93 VCN ENC v3.0: 93 VCN ENC v4.0: 93 VCN JPEG v1.0: 17 VCN JPEG v2.0: 16 VCN JPEG v2.5: 17 VCN JPEG v3.0: 17 VCN JPEG v4.0: 17 Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2498 Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 08eced097bd8..d8b3c9198d33 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -112,6 +112,9 @@ static int amdgpu_cs_p1_ib(struct amdgpu_cs_parser *p,
if (r < 0)
return r;
+ if (num_ibs[r] >= amdgpu_ring_max_ibs(chunk_ib->ip_type))
+ return -EINVAL;
+
++(num_ibs[r]);
p->gang_leader_idx = r;
return 0;