DRM_ERROR an continue without any issues aren't allowed since that
causes noise in the CI system. But we absolutely want to have the
DRM_ERROR when we want to run with GuC.

For simplicity just short-circuit all the loader code when it's not
needed.

Cc: Alex Dai <[email protected]>
Cc: Dave Gordon <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
---
 drivers/gpu/drm/i915/i915_gem.c         | 10 +---------
 drivers/gpu/drm/i915/intel_guc_loader.c |  6 ++++++
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 01fef54ecb2d..0604d15bde72 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4747,18 +4747,10 @@ i915_gem_init_hw(struct drm_device *dev)
        if (HAS_GUC_UCODE(dev)) {
                ret = intel_guc_ucode_load(dev);
                if (ret) {
-                       /*
-                        * If we got an error and GuC submission is enabled, map
-                        * the error to -EIO so the GPU will be declared wedged.
-                        * OTOH, if we didn't intend to use the GuC anyway, just
-                        * discard the error and carry on.
-                        */
                        DRM_ERROR("Failed to initialize GuC, error %d%s\n", ret,
                                  i915.enable_guc_submission ? "" :
                                  " (ignored)");
-                       ret = i915.enable_guc_submission ? -EIO : 0;
-                       if (ret)
-                               goto out;
+                       return -EIO;
                }
        }
 
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c 
b/drivers/gpu/drm/i915/intel_guc_loader.c
index c0281df52702..bbbf9b3b00eb 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -364,6 +364,9 @@ int intel_guc_ucode_load(struct drm_device *dev)
        struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
        int err = 0;
 
+       if (!i915.enable_guc_submission)
+               return 0;
+
        DRM_DEBUG_DRIVER("GuC fw status: fetch %s, load %s\n",
                intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status),
                intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
@@ -589,6 +592,9 @@ void intel_guc_ucode_init(struct drm_device *dev)
                fw_path = "";   /* unknown device */
        }
 
+       if (!i915.enable_guc_submission)
+               return;
+
        guc_fw->guc_dev = dev;
        guc_fw->guc_fw_path = fw_path;
        guc_fw->guc_fw_fetch_status = GUC_FIRMWARE_NONE;
-- 
2.5.1

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