[PATCH 5/6] drm/i915/pxp: Make intel_pxp_start implicitly sort PXP-owning-GT

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Make intel_pxp_is_start implicitly find the PXP-owning-GT.
Callers of this function shall now pass in i915 since PXP
is a global GPU feature. Make intel_pxp_start implicitly
find the right gt to start PXP arb session so
it's transparent to the callers.

Signed-off-by: Alan Previn <alan.previn.teres.alexis@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gem/i915_gem_context.c | 2 +-
 drivers/gpu/drm/i915/pxp/intel_pxp.c        | 9 ++++++++-
 drivers/gpu/drm/i915/pxp/intel_pxp.h        | 2 +-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 8443b485c62f..11bf0d48ef50 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -272,7 +272,7 @@ static int proto_context_set_protected(struct drm_i915_private *i915,
 		pc->pxp_wakeref = intel_runtime_pm_get(&i915->runtime_pm);
 
 		if (!intel_pxp_is_active(i915))
-			ret = intel_pxp_start(&to_gt(i915)->pxp);
+			ret = intel_pxp_start(i915);
 	}
 
 	return ret;
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c
index 57b4e9f9e4d1..944c8466f786 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c
@@ -246,10 +246,17 @@ static bool pxp_component_bound(struct intel_pxp *pxp)
  * the arb session is restarted from the irq work when we receive the
  * termination completion interrupt
  */
-int intel_pxp_start(struct intel_pxp *pxp)
+int intel_pxp_start(struct drm_i915_private *i915)
 {
+	struct intel_gt *gt = intel_pxp_get_owning_gt(i915);
+	struct intel_pxp *pxp;
 	int ret = 0;
 
+	if (!gt)
+		return -ENODEV;
+
+	pxp = &gt->pxp;
+
 	if (!_pxp_is_enabled(pxp))
 		return -ENODEV;
 
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.h b/drivers/gpu/drm/i915/pxp/intel_pxp.h
index 0219ff285788..61ef3bedc3a0 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp.h
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp.h
@@ -26,7 +26,7 @@ void intel_pxp_fini_hw(struct intel_pxp *pxp);
 
 void intel_pxp_mark_termination_in_progress(struct intel_pxp *pxp);
 
-int intel_pxp_start(struct intel_pxp *pxp);
+int intel_pxp_start(struct drm_i915_private *i915);
 
 int intel_pxp_key_check(struct intel_pxp *pxp,
 			struct drm_i915_gem_object *obj,
-- 
2.34.1




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