[Intel-gfx] [PATCH 1/1] drm/i915/pxp: Add firmware status when ARB session fails

[Alan Previn]

Add firmware status using a drm_warn when ARB session fails
or else a drm_dbg when the ARB session register slot bit did
get set.

Signed-off-by: Alan Previn <alan.previn.teres.alexis at intel.com>
---
 drivers/gpu/drm/i915/pxp/intel_pxp_session.c | 1 +
 drivers/gpu/drm/i915/pxp/intel_pxp_tee.c     | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_session.c b/drivers/gpu/drm/i915/pxp/intel_pxp_session.c
index 1bb5b5249157..c4f5c994ca51 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp_session.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_session.c
@@ -77,6 +77,7 @@ static int pxp_create_arb_session(struct intel_pxp *pxp)
 		drm_err(&gt->i915->drm, "arb session failed to go in play\n");
 		return ret;
 	}
+	drm_dbg(&gt->i915->drm, "PXP ARB session is alive\n");
 
 	if (!++pxp->key_instance)
 		++pxp->key_instance;
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c b/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
index 4b6f5655fab5..b388c9e77b59 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
@@ -174,6 +174,8 @@ int intel_pxp_tee_cmd_create_arb_session(struct intel_pxp *pxp,
 
 	if (ret)
 		drm_err(&i915->drm, "Failed to send tee msg ret=[%d]\n", ret);
+	else if (msg_out.header.status != 0x0)
+		drm_warn(&i915->drm, "PXP firmware failed arb session init request ret=[0x%08x]\n", msg_out.header.status);
 
 	return ret;
 }
-- 
2.25.1