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drm/i915/uc: Don't use -EIO to report missing firmware

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-EIO has special meaning and is used when we want to allow
engine initialization to fail and mark GPU as wedged.

However here at this function we should return error code
that corresponds to upload status only, as any decision how
to handle missing firmware should be done higher level function
(silent fallback to non-GuC mode, fail into wedged mode, or
abort driver load with fatal error).

v2: commit message update (Michal)

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171206135316.32556-5-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2017-12-06 13:53:14 +00:00 committed by Chris Wilson
parent a655aeb34f
commit 8620eb1dbb
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_uc_fw.c
View file

@ -214,7 +214,7 @@ int intel_uc_fw_upload(struct intel_uc_fw *uc_fw,
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path);
if (uc_fw->fetch_status != INTEL_UC_FIRMWARE_SUCCESS)
return -EIO;
return -ENOEXEC;
uc_fw->load_status = INTEL_UC_FIRMWARE_PENDING;
DRM_DEBUG_DRIVER("%s fw load %s\n",