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authorArkadiusz Hiler <arkadiusz.hiler@intel.com>2017-03-14 15:28:12 +0100
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2017-03-15 14:26:30 +0200
commit8fc2a4e427991433ea6358117fdbcc07494ff8c5 (patch)
tree6962b0f5f149386015df8090b242b33fce9bafe0 /drivers/gpu/drm/i915/intel_uc.c
parent6cd5a72c357732ed7f4566545b9d58eb4fcb1aa2 (diff)
downloadop-kernel-dev-8fc2a4e427991433ea6358117fdbcc07494ff8c5.zip
op-kernel-dev-8fc2a4e427991433ea6358117fdbcc07494ff8c5.tar.gz
drm/i915/uc: Simplify firmware path handling
Currently fw->path values can represent one of three possible states: 1) NULL - device without the uC 2) '\0' - device with the uC but have no firmware 3) else - device with the uC and we have firmware Second case is used only to WARN at a later stage. We can WARN right away and merge cases 1 and 2. Code can be even further simplified and common (HuC/GuC logic) happening right before the fetch can be offloaded to the common function. v2: fewer temporary variables, more straightforward flow (M. Wajdeczko) v3: DRM_ERROR instead of WARN (M. Wajdeczko) v4: coding standard (J. Lahtinen) v5: non-trivial rebase v6: remove path check, we are checking fetch status (M. Wajdeczko) Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Michal Winiarski <michal.winiarski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_uc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 69f21cc..4b85a0f 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -268,8 +268,10 @@ void intel_uc_prepare_fw(struct drm_i915_private *dev_priv,
size_t size;
int err;
+ uc_fw->fetch_status = INTEL_UC_FIRMWARE_PENDING;
+
DRM_DEBUG_DRIVER("before requesting firmware: uC fw fetch status %s\n",
- intel_uc_fw_status_repr(uc_fw->fetch_status));
+ intel_uc_fw_status_repr(uc_fw->fetch_status));
err = request_firmware(&fw, uc_fw->path, &pdev->dev);
if (err)
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