On Tue, 19 Sep 2017 19:27:39 +0200, Sagar Arun Kamble
<sagar.a.kamble@xxxxxxxxx> wrote:
This patch adds new function intel_uc_init_mmio which will initialize
MMIO access related variables prior to uc load/init.
v2: Removed unnecessary export of guc_send_init_regs. Created
intel_uc_init_mmio that currently wraps guc_init_send_regs. (Michal)
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Michał Winiarski <michal.winiarski@xxxxxxxxx>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.c | 2 ++
drivers/gpu/drm/i915/intel_uc.c | 7 +++++--
drivers/gpu/drm/i915/intel_uc.h | 1 +
3 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c
b/drivers/gpu/drm/i915/i915_drv.c
index 5c111ea..ef4f84d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1002,6 +1002,8 @@ static int i915_driver_init_mmio(struct
drm_i915_private *dev_priv)
intel_uncore_init(dev_priv);
+ intel_uc_init_mmio(dev_priv);
+
ret = intel_engines_init_mmio(dev_priv);
if (ret)
goto err_uncore;
diff --git a/drivers/gpu/drm/i915/intel_uc.c
b/drivers/gpu/drm/i915/intel_uc.c
index b91f848..f2ccb7c 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -288,6 +288,11 @@ static void guc_init_send_regs(struct intel_guc
*guc)
guc->send_regs.fw_domains = fw_domains;
}
+void intel_uc_init_mmio(struct drm_i915_private *dev_priv)
+{
+ guc_init_send_regs(&dev_priv->guc);
+}
+
static void guc_capture_load_err_log(struct intel_guc *guc)
{
if (!guc->log.vma || i915.guc_log_level < 0)
@@ -309,8 +314,6 @@ static int guc_enable_communication(struct intel_guc
*guc)
{
struct drm_i915_private *dev_priv = guc_to_i915(guc);
- guc_init_send_regs(guc);
-
if (HAS_GUC_CT(dev_priv))
return intel_guc_enable_ct(guc);
diff --git a/drivers/gpu/drm/i915/intel_uc.h
b/drivers/gpu/drm/i915/intel_uc.h
index 8560a7e..60bf814 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -206,6 +206,7 @@ struct intel_huc {
void intel_uc_init_early(struct drm_i915_private *dev_priv);
void intel_uc_init_fw(struct drm_i915_private *dev_priv);
void intel_uc_fini_fw(struct drm_i915_private *dev_priv);
+void intel_uc_init_mmio(struct drm_i915_private *dev_priv);
As init_mmio() is called prior to init_fw() please try to keep
the same order in their declarations.
Michal
int intel_uc_init_hw(struct drm_i915_private *dev_priv);
void intel_uc_fini_hw(struct drm_i915_private *dev_priv);
int intel_guc_sample_forcewake(struct intel_guc *guc);
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