[Intel-gfx] [PATCH v3 3/3] drm/i915/gt: Introduce intel_gt_runtime_suspend/resume

[Daniele Ceraolo Spurio]

To be called from the top level runtime functions, to hide the
gt-specific bits (mainly related to intel_uc).

v2: rebased

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursu...@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt_pm.c | 12 ++++++++++++
 drivers/gpu/drm/i915/gt/intel_gt_pm.h |  2 ++
 drivers/gpu/drm/i915/i915_drv.c       |  9 +++------
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c 
b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index 65c0d0c9d543..6c8970271a7f 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -164,3 +164,15 @@ int intel_gt_resume(struct intel_gt *gt)
 
        return err;
 }
+
+void intel_gt_runtime_suspend(struct intel_gt *gt)
+{
+       intel_uc_runtime_suspend(&gt->uc);
+}
+
+int intel_gt_runtime_resume(struct intel_gt *gt)
+{
+       intel_gt_init_swizzling(gt);
+
+       return intel_uc_runtime_resume(&gt->uc);
+}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.h 
b/drivers/gpu/drm/i915/gt/intel_gt_pm.h
index ba960e1fc209..527894fe1345 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.h
@@ -23,5 +23,7 @@ void intel_gt_pm_init_early(struct intel_gt *gt);
 
 void intel_gt_sanitize(struct intel_gt *gt, bool force);
 int intel_gt_resume(struct intel_gt *gt);
+void intel_gt_runtime_suspend(struct intel_gt *gt);
+int intel_gt_runtime_resume(struct intel_gt *gt);
 
 #endif /* INTEL_GT_PM_H */
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index d75ba56e407b..79f89d348196 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2925,7 +2925,7 @@ static int intel_runtime_suspend(struct device *kdev)
         */
        i915_gem_runtime_suspend(dev_priv);
 
-       intel_uc_runtime_suspend(&dev_priv->gt.uc);
+       intel_gt_runtime_suspend(&dev_priv->gt);
 
        intel_runtime_pm_disable_interrupts(dev_priv);
 
@@ -2950,9 +2950,8 @@ static int intel_runtime_suspend(struct device *kdev)
 
                intel_runtime_pm_enable_interrupts(dev_priv);
 
-               intel_uc_runtime_resume(&dev_priv->gt.uc);
+               intel_gt_runtime_resume(&dev_priv->gt);
 
-               intel_gt_init_swizzling(&dev_priv->gt);
                i915_gem_restore_fences(dev_priv);
 
                enable_rpm_wakeref_asserts(rpm);
@@ -3047,13 +3046,11 @@ static int intel_runtime_resume(struct device *kdev)
 
        intel_runtime_pm_enable_interrupts(dev_priv);
 
-       intel_uc_runtime_resume(&dev_priv->gt.uc);
-
        /*
         * No point of rolling back things in case of an error, as the best
         * we can do is to hope that things will still work (and disable RPM).
         */
-       intel_gt_init_swizzling(&dev_priv->gt);
+       intel_gt_runtime_resume(&dev_priv->gt);
        i915_gem_restore_fences(dev_priv);
 
        /*
-- 
2.22.0

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