[PATCH 1/2] drm/i915/guc: Fix Gen9 GuC loading workarounds

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In commit 4502e9ec820d ("drm/i915/uc: Unify firmware loading") we
stopped converting errors detected during firmware transfer into
-EAGAIN and this indirectly killed our workarounds for Gen9 GuC.
Reactivate those workarounds by looking for actual -ETIMEDOUT error.

Testcase: igt@drv_selftest@live_hangcheck
Reported-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
References: commit 4502e9ec820d ("drm/i915/uc: Unify firmware loading")

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_uc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index b1b3e81..b34c318 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -376,7 +376,7 @@ int intel_uc_init_hw(struct drm_i915_private *i915)
 
 		intel_guc_init_params(guc);
 		ret = intel_guc_fw_upload(guc);
-		if (ret == 0 || ret != -EAGAIN)
+		if (ret == 0 || ret != -ETIMEDOUT)
 			break;
 
 		DRM_DEBUG_DRIVER("GuC fw load failed: %d; will reset and "
-- 
1.9.1

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