Let intel_guc_init() focus on determining and fetching the correct
firmware.
This patch introduces intel_sanitize_uc_params() that is called from
intel_uc_init().
Then, if we have GuC, we can call intel_guc_init() conditionally and we
do not have to do internal checks.
Cc: Michal Winiarski <michal.winiar...@intel.com>
Cc: Michal Wajdeczko <michal.wajdec...@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hi...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 2 ++
drivers/gpu/drm/i915/intel_guc_loader.c | 15 +--------------
drivers/gpu/drm/i915/intel_uc.c | 25 ++++++++++++++++++++++++-
3 files changed, 27 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 6d0798e..e520895 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -994,6 +994,8 @@ static void intel_sanitize_options(struct drm_i915_private
*dev_priv)
i915.semaphores = intel_sanitize_semaphores(dev_priv, i915.semaphores);
DRM_DEBUG_DRIVER("use GPU sempahores? %s\n", yesno(i915.semaphores));
+
+ intel_uc_sanitize_params(dev_priv);
}
/**
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c
b/drivers/gpu/drm/i915/intel_guc_loader.c
index f5efe28..db5713c 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -726,7 +726,7 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv,
}
/**
- * intel_guc_init() - define parameters and fetch firmware
+ * intel_guc_init() - determine and fetch firmware
* @dev_priv: i915 device private
*
* Called early during driver load, but after GEM is initialised.
@@ -739,17 +739,6 @@ void intel_guc_init(struct drm_i915_private *dev_priv)
struct intel_uc_fw *guc_fw = &dev_priv->guc.fw;
const char *fw_path;
- if (!HAS_GUC(dev_priv)) {
- i915.enable_guc_loading = 0;
- i915.enable_guc_submission = 0;
- } else {
- /* A negative value means "use platform default" */
- if (i915.enable_guc_loading < 0)
- i915.enable_guc_loading = HAS_GUC_UCODE(dev_priv);
- if (i915.enable_guc_submission < 0)
- i915.enable_guc_submission = HAS_GUC_SCHED(dev_priv);
- }
-
if (!HAS_GUC_UCODE(dev_priv)) {
fw_path = NULL;
} else if (IS_SKYLAKE(dev_priv)) {
@@ -773,8 +762,6 @@ void intel_guc_init(struct drm_i915_private *dev_priv)
guc_fw->load_status = INTEL_UC_FIRMWARE_NONE;
/* Early (and silent) return if GuC loading is disabled */
- if (!i915.enable_guc_loading)
- return;
if (fw_path == NULL)
return;
if (*fw_path == '\0')
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index d9d0566..d1ca41d 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -25,6 +25,24 @@
#include "i915_drv.h"
#include "intel_uc.h"
+void intel_uc_sanitize_params(struct drm_i915_private *dev_priv)
+{
+ if (!HAS_GUC(dev_priv)) {
+ i915.enable_guc_loading = 0;
+ i915.enable_guc_submission = 0;
+ } else {
+ /* A negative value means "use platform default" */
+ if (i915.enable_guc_loading < 0)
+ i915.enable_guc_loading = HAS_GUC_UCODE(dev_priv);
+ if (i915.enable_guc_submission < 0)
+ i915.enable_guc_submission = HAS_GUC_SCHED(dev_priv);
+ }
+
+ /* can't enable guc submission without guc loaded */
+ if (!i915.enable_guc_loading)
+ i915.enable_guc_submission = 0;
+}
+
void intel_uc_init_early(struct drm_i915_private *dev_priv)
{
mutex_init(&dev_priv->guc.send_mutex);
@@ -32,7 +50,12 @@ void intel_uc_init_early(struct drm_i915_private *dev_priv)
void intel_uc_init(struct drm_i915_private *dev_priv)
{
- intel_huc_init(dev_priv);
+ if (!i915.enable_guc_loading)
+ return;
+
+ if (HAS_HUC_UCODE(dev_priv))
+ intel_huc_init(dev_priv);
+
intel_guc_init(dev_priv);
}
--
2.9.3
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