From aec14e3370c43ac6041da4f08ef1ebb91bd45060 Mon Sep 17 00:00:00 2001 From: Michal Wajdeczko Date: Tue, 13 Feb 2024 16:43:49 +0100 Subject: [PATCH] drm/xe/vf: Don't try to capture engine data unavailable to VF Don't capture engine ring registers as thoe are not available for the VF driver. Signed-off-by: Michal Wajdeczko Cc: Rodrigo Vivi Reviewed-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20240213154355.1221-3-michal.wajdeczko@intel.com --- drivers/gpu/drm/xe/xe_hw_engine.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c index 0d17e32d70c8..b5e83ea172f3 100644 --- a/drivers/gpu/drm/xe/xe_hw_engine.c +++ b/drivers/gpu/drm/xe/xe_hw_engine.c @@ -25,6 +25,7 @@ #include "xe_reg_sr.h" #include "xe_rtp.h" #include "xe_sched_job.h" +#include "xe_sriov.h" #include "xe_tuning.h" #include "xe_uc_fw.h" #include "xe_wa.h" @@ -767,6 +768,10 @@ xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe) hwe->domain); snapshot->mmio_base = hwe->mmio_base; + /* no more VF accessible data below this point */ + if (IS_SRIOV_VF(gt_to_xe(hwe->gt))) + return snapshot; + snapshot->reg.ring_execlist_status = hw_engine_mmio_read32(hwe, RING_EXECLIST_STATUS_LO(0)); val = hw_engine_mmio_read32(hwe, RING_EXECLIST_STATUS_HI(0));