Commit b1118df1 authored by Asad Kamal's avatar Asad Kamal Committed by Alex Deucher
Browse files

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



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: 568199a5 ("drm/amd/pm: Limit to 8 jpeg rings per instance")
Signed-off-by: default avatarAsad Kamal <asad.kamal@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a6d9d192

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

+1 −1
Original line number Diff line number Diff line
@@ -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;