[SRU] [R] [PATCH 09/13] drm/amdgpu: fix IP discovery v0 handling

Yo-Jung Leo Lin (AMD) Leo.Lin at amd.com
Mon Jul 6 06:43:37 UTC 2026


From: filippor <filippo.rossoni at gmail.com>

BugLink: https://bugs.launchpad.net/bugs/2158690

Cyan skillfish uses IP discovery v0.  This was broken when the
IP discovery was refactored for newer versions.

Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5189
Fixes: d0c647a6aae2 ("drm/amdgpu/discovery: support new discovery binary header")
Signed-off-by: filippor <filippo.rossoni at gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
(cherry picked from commit 831cb9ba54d2da3eb416845042add6882c0a8527)
Signed-off-by: Yo-Jung Leo Lin (AMD) <Leo.Lin at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 2b3b5bd0d343..44404a1fe00e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -547,10 +547,11 @@ static int amdgpu_discovery_get_table_info(struct amdgpu_device *adev,
 		*info = &bhdrv2->table_list[table_id];
 		break;
 	case 1:
+	case 0:
 		*info = &bhdr->table_list[table_id];
 		break;
 	default:
-		dev_err(adev->dev, "Invalid ip discovery table version\n");
+		dev_err(adev->dev, "Invalid ip discovery table version %d\n",bhdr->version_major);
 		return -EINVAL;
 	}
 
-- 
2.43.0




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