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* [PATCH] drm/amd/pm: Limit jpeg rings as per max for jpeg_v_4_0_3
@ 2025-02-14  7:28 Asad Kamal
  2025-02-17 12:16 ` Zhang, Hawking
  0 siblings, 1 reply; 2+ messages in thread
From: Asad Kamal @ 2025-02-14  7:28 UTC (permalink / raw)
  To: amd-gfx, lijo.lazar
  Cc: hawking.zhang, le.ma, shiwu.zhang, asad.kamal, alexander.deucher

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: c80feef27112 ("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>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index 3fa671f4981c..9f2de69f53b2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -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;
-- 
2.46.0


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2025-02-14  7:28 [PATCH] drm/amd/pm: Limit jpeg rings as per max for jpeg_v_4_0_3 Asad Kamal
2025-02-17 12:16 ` Zhang, Hawking

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