drm/i915/huc: Load HuC only if requested

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Our new "enable_guc" modparam allows to control whenever HuC
should be loaded. However existing code will try load and
authenticate HuC always when we use the GuC. This patch is
trying to enforce modparam selection.

v2: no need to cast PTR_ERR (Chris)
    fetch/fini only if required (Michal)
    fix wrong break (Sagar)
v3: add new goto label (Sagar)

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: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171206135316.32556-7-michal.wajdeczko@intel.com

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Michal Wajdeczko 2017-12-06 13:53:16 +00:00 • committed by Chris Wilson

parent 121981fafe

commit 0dfa1cee61

3 changed files with 36 additions and 17 deletions

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21

drivers/gpu/drm/i915/intel_huc.c

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4

drivers/gpu/drm/i915/intel_huc.h

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28

drivers/gpu/drm/i915/intel_uc.c

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