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The GuC may not be loaded, and any attempt to communicate with it would result in a timeout and a VF probe failure: (...) [ 1912.406046] xe 0000:01:00.1: [drm] *ERROR* Tile0: GT1: GuC mmio request 0x5507: no reply 0x5507 [ 1912.407277] xe 0000:01:00.1: [drm] *ERROR* Tile0: GT1: [GUC COMMUNICATION] MMIO send failed (-ETIMEDOUT) [ 1912.408689] xe 0000:01:00.1: [drm] *ERROR* VF: Tile0: GT1: Failed to reset GuC state (-ETIMEDOUT) [ 1912.413986] xe 0000:01:00.1: probe with driver xe failed with error -110 Let's skip reading the media version for VFs when the media GT is not allowed. Fixes: 7abd69278bb5 ("drm/xe/configfs: Add attribute to disable GT types") Signed-off-by: Piotr Piórkowski Cc: Matt Roper Cc: Michal Wajdeczko --- drivers/gpu/drm/xe/xe_pci.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index b5e8935fff1d..6ac1baabab4e 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -644,6 +644,10 @@ static int handle_gmdid(struct xe_device *xe, ver / 100, ver % 100); } + /* Don't try read media ver if media GT is not allowed */ + if (!xe_configfs_media_gt_allowed(to_pci_dev(xe->drm.dev))) + return 0; + ret = read_gmdid(xe, GMDID_MEDIA, &ver, media_revid); if (ret) return ret; -- 2.34.1