[PATCH 01/22] drm/i915: Export low level PM IRQ functions to control from GuC functions

Sagar Arun Kamble sagar.a.kamble at intel.com
Tue Oct 17 08:03:24 UTC 2017

In order to separate GuC IRQ handling functions from i915_irq.c we need
to export the low level pm irq handlers. Export pm_iir, reset_pm_iir and
enable/disable_pm_irq functions.

Suggested-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
 drivers/gpu/drm/i915/i915_irq.c  | 8 ++++----
 drivers/gpu/drm/i915/intel_drv.h | 4 ++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b1296a5..caa6283 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -306,7 +306,7 @@ void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask)
 	ilk_update_gt_irq(dev_priv, mask, 0);
-static i915_reg_t gen6_pm_iir(struct drm_i915_private *dev_priv)
+i915_reg_t gen6_pm_iir(struct drm_i915_private *dev_priv)
 	return INTEL_GEN(dev_priv) >= 8 ? GEN8_GT_IIR(2) : GEN6_PMIIR;
@@ -369,7 +369,7 @@ void gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask)
 	__gen6_mask_pm_irq(dev_priv, mask);
-static void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 reset_mask)
+void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 reset_mask)
 	i915_reg_t reg = gen6_pm_iir(dev_priv);
@@ -380,7 +380,7 @@ static void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 reset_mask)
-static void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, u32 enable_mask)
+void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, u32 enable_mask)
@@ -390,7 +390,7 @@ static void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, u32 enable_mas
 	/* unmask_pm_irq provides an implicit barrier (POSTING_READ) */
-static void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, u32 disable_mask)
+void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, u32 disable_mask)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d61985f..792d8ea 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1237,8 +1237,12 @@ void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv,
 /* i915_irq.c */
 void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
 void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
+i915_reg_t gen6_pm_iir(struct drm_i915_private *dev_priv);
 void gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask);
 void gen6_unmask_pm_irq(struct drm_i915_private *dev_priv, u32 mask);
+void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 reset_mask);
+void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, u32 enable_mask);
+void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, u32 disable_mask);
 void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv);
 void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv);
 void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv);

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