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drm/amd/pm: Limit jpeg rings as per max for jpeg_v_4_0_3

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Since pmfw supports for smuv13_0_6 is limited to 8 jpeg rings per instance,
which is the max for jpeg_v_4_0_3. Limit it to same to avoid out
of bound access.

Fixes: 568199a5c7 ("drm/amd/pm: Limit to 8 jpeg rings per instance")
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asad Kamal 2025-02-14 13:54:01 +08:00 committed by Alex Deucher
parent a6d9d19290
commit b1118df145
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
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@ -2644,7 +2644,7 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table
per_inst = smu_v13_0_6_cap_supported(smu, SMU_CAP(PER_INST_METRICS));
num_jpeg_rings = max_t(u8, adev->jpeg.num_jpeg_rings, 8);
num_jpeg_rings = AMDGPU_MAX_JPEG_RINGS_4_0_3;
for_each_xcp(adev->xcp_mgr, xcp, i) {
amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
idx = 0;