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path: root/drivers/gpu/drm/i915/pxp/intel_pxp_pm.c
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Diffstat (limited to 'drivers/gpu/drm/i915/pxp/intel_pxp_pm.c')
-rw-r--r--drivers/gpu/drm/i915/pxp/intel_pxp_pm.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_pm.c b/drivers/gpu/drm/i915/pxp/intel_pxp_pm.c
index 6a7d4e2ee138..6dfd24918953 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp_pm.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_pm.c
@@ -3,18 +3,20 @@
* Copyright(c) 2020 Intel Corporation.
*/
+#include "i915_drv.h"
+
#include "intel_pxp.h"
#include "intel_pxp_irq.h"
#include "intel_pxp_pm.h"
#include "intel_pxp_session.h"
-#include "i915_drv.h"
+#include "intel_pxp_types.h"
void intel_pxp_suspend_prepare(struct intel_pxp *pxp)
{
if (!intel_pxp_is_enabled(pxp))
return;
- pxp->arb_is_valid = false;
+ intel_pxp_end(pxp);
intel_pxp_invalidate(pxp);
}
@@ -26,14 +28,16 @@ void intel_pxp_suspend(struct intel_pxp *pxp)
if (!intel_pxp_is_enabled(pxp))
return;
- with_intel_runtime_pm(&pxp_to_gt(pxp)->i915->runtime_pm, wakeref) {
+ with_intel_runtime_pm(&pxp->ctrl_gt->i915->runtime_pm, wakeref) {
intel_pxp_fini_hw(pxp);
pxp->hw_state_invalidated = false;
}
}
-void intel_pxp_resume(struct intel_pxp *pxp)
+static void _pxp_resume(struct intel_pxp *pxp, bool take_wakeref)
{
+ intel_wakeref_t wakeref;
+
if (!intel_pxp_is_enabled(pxp))
return;
@@ -41,11 +45,26 @@ void intel_pxp_resume(struct intel_pxp *pxp)
* The PXP component gets automatically unbound when we go into S3 and
* re-bound after we come out, so in that scenario we can defer the
* hw init to the bind call.
+ * NOTE: GSC-CS backend doesn't rely on components.
*/
- if (!pxp->pxp_component)
+ if (!HAS_ENGINE(pxp->ctrl_gt, GSC0) && !pxp->pxp_component)
return;
+ if (take_wakeref)
+ wakeref = intel_runtime_pm_get(&pxp->ctrl_gt->i915->runtime_pm);
intel_pxp_init_hw(pxp);
+ if (take_wakeref)
+ intel_runtime_pm_put(&pxp->ctrl_gt->i915->runtime_pm, wakeref);
+}
+
+void intel_pxp_resume_complete(struct intel_pxp *pxp)
+{
+ _pxp_resume(pxp, true);
+}
+
+void intel_pxp_runtime_resume(struct intel_pxp *pxp)
+{
+ _pxp_resume(pxp, false);
}
void intel_pxp_runtime_suspend(struct intel_pxp *pxp)