On 06/18/2018 03:39 AM, Michal Wajdeczko wrote:
We're fetching GuC/HuC firmwares directly from uc level during
init_early stage but this breaks guc/huc struct isolation and
also strict SW-only initialization rule. Move fw fetching to
init phase and do it separately per guc/huc struct.
v2: don't forget to move wopcm_init - Michele
I'm not Italian ;)
Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Daniele Ceraolo Spurio <[email protected]>
Cc: Michel Thierry <[email protected]>
---
drivers/gpu/drm/i915/i915_gem.c | 8 ++++----
drivers/gpu/drm/i915/intel_guc.c | 7 ++++++-
drivers/gpu/drm/i915/intel_huc.c | 8 ++++++++
drivers/gpu/drm/i915/intel_huc.h | 6 ++++++
drivers/gpu/drm/i915/intel_uc.c | 37 ++++++++++++++++++++-----------------
5 files changed, 44 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 822abf4..6a0fa53 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5456,10 +5456,6 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
if (ret)
return ret;
- ret = intel_wopcm_init(&dev_priv->wopcm);
- if (ret)
- return ret;
-
ret = intel_uc_init_misc(dev_priv);
if (ret)
return ret;
@@ -5497,6 +5493,10 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
Not visible, but the previous line before this chunk is
ret = intel_uc_init(dev_priv);
if (ret)
goto err_pm;
+ ret = intel_wopcm_init(&dev_priv->wopcm);
+ if (ret)
+ goto err_uc_init;
+
ret = i915_gem_init_hw(dev_priv);
if (ret)
goto err_uc_init;
So,
Reviewed-by: Michel Thierry <[email protected]>
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
index 1aff30b..a63a86f 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -167,9 +167,11 @@ int intel_guc_init(struct intel_guc *guc)
struct drm_i915_private *dev_priv = guc_to_i915(guc);
int ret;
+ intel_uc_fw_fetch(dev_priv, &guc->fw);
+
ret = guc_shared_data_create(guc);
if (ret)
- return ret;
+ goto err_fetch;
GEM_BUG_ON(!guc->shared_data);
ret = intel_guc_log_create(&guc->log);
@@ -190,6 +192,8 @@ int intel_guc_init(struct intel_guc *guc)
intel_guc_log_destroy(&guc->log);
err_shared:
guc_shared_data_destroy(guc);
+err_fetch:
+ intel_uc_fw_fini(&guc->fw);
return ret;
}
@@ -201,6 +205,7 @@ void intel_guc_fini(struct intel_guc *guc)
intel_guc_ads_destroy(guc);
intel_guc_log_destroy(&guc->log);
guc_shared_data_destroy(guc);
+ intel_uc_fw_fini(&guc->fw);
}
static u32 guc_ctl_debug_flags(struct intel_guc *guc)
diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
index 2912852..8a884d7 100644
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ b/drivers/gpu/drm/i915/intel_huc.c
@@ -32,6 +32,14 @@ void intel_huc_init_early(struct intel_huc *huc)
intel_huc_fw_init_early(huc);
}
+int intel_huc_init(struct intel_huc *huc)
+{
+ struct drm_i915_private *i915 = huc_to_i915(huc);
+
+ intel_uc_fw_fetch(i915, &huc->fw);
+ return 0;
+}
+
/**
* intel_huc_auth() - Authenticate HuC uCode
* @huc: intel_huc structure
diff --git a/drivers/gpu/drm/i915/intel_huc.h b/drivers/gpu/drm/i915/intel_huc.h
index aa85490..21e600c 100644
--- a/drivers/gpu/drm/i915/intel_huc.h
+++ b/drivers/gpu/drm/i915/intel_huc.h
@@ -36,9 +36,15 @@ struct intel_huc {
};
void intel_huc_init_early(struct intel_huc *huc);
+int intel_huc_init(struct intel_huc *huc);
int intel_huc_auth(struct intel_huc *huc);
int intel_huc_check_status(struct intel_huc *huc);
+static inline void intel_huc_fini(struct intel_huc *huc)
+{
+ intel_uc_fw_fini(&huc->fw);
+}
+
static inline int intel_huc_sanitize(struct intel_huc *huc)
{
intel_uc_fw_sanitize(&huc->fw);
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 94e8863..ec3c37c 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -171,24 +171,11 @@ void intel_uc_init_early(struct drm_i915_private *i915)
intel_huc_init_early(huc);
sanitize_options_early(i915);
-
- if (USES_GUC(i915))
- intel_uc_fw_fetch(i915, &guc->fw);
-
- if (USES_HUC(i915))
- intel_uc_fw_fetch(i915, &huc->fw);
}
void intel_uc_cleanup_early(struct drm_i915_private *i915)
{
struct intel_guc *guc = &i915->guc;
- struct intel_huc *huc = &i915->huc;
-
- if (USES_HUC(i915))
- intel_uc_fw_fini(&huc->fw);
-
- if (USES_GUC(i915))
- intel_uc_fw_fini(&guc->fw);
guc_free_load_err_log(guc);
}
@@ -279,6 +266,7 @@ void intel_uc_fini_misc(struct drm_i915_private *i915)
int intel_uc_init(struct drm_i915_private *i915)
{
struct intel_guc *guc = &i915->guc;
+ struct intel_huc *huc = &i915->huc;
int ret;
if (!USES_GUC(i915))
@@ -291,24 +279,36 @@ int intel_uc_init(struct drm_i915_private *i915)
if (ret)
return ret;
+ if (USES_HUC(i915)) {
+ ret = intel_huc_init(huc);
+ if (ret)
+ goto err_guc;
+ }
+
if (USES_GUC_SUBMISSION(i915)) {
/*
* This is stuff we need to have available at fw load time
* if we are planning to enable submission later
*/
ret = intel_guc_submission_init(guc);
- if (ret) {
- intel_guc_fini(guc);
- return ret;
- }
+ if (ret)
+ goto err_huc;
}
return 0;
+
+err_huc:
+ if (USES_HUC(i915))
+ intel_huc_fini(huc);
+err_guc:
+ intel_guc_fini(guc);
+ return ret;
}
void intel_uc_fini(struct drm_i915_private *i915)
{
struct intel_guc *guc = &i915->guc;
+ struct intel_huc *huc = &i915->huc;
if (!USES_GUC(i915))
return;
@@ -318,6 +318,9 @@ void intel_uc_fini(struct drm_i915_private *i915)
if (USES_GUC_SUBMISSION(i915))
intel_guc_submission_fini(guc);
+ if (USES_HUC(i915))
+ intel_huc_fini(huc);
+
intel_guc_fini(guc);
}
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