[PATCH v5 12/27] drm/i915/slpc: Setup rps frequency values during SLPC enabling

Sagar Arun Kamble sagar.a.kamble at intel.com
Sat Jul 2 06:57:03 UTC 2016


From: Tom O'Rourke <Tom.O'Rourke at intel.com>

v2: Add mutex lock/unlock

v5: Updated parameter sent to gen6_init_rps_frequencies. (Sagar)
    Moved frequency values setup from intel_slpc_init to
    intel_slpc_enable (Akash)

Signed-off-by: Tom O'Rourke <Tom.O'Rourke at intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
---
 drivers/gpu/drm/i915/intel_drv.h  | 1 +
 drivers/gpu/drm/i915/intel_pm.c   | 2 +-
 drivers/gpu/drm/i915/intel_slpc.c | 3 +++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 767b263..cac7310 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1693,6 +1693,7 @@ void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv);
 void intel_pm_setup(struct drm_device *dev);
 void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
 void intel_gpu_ips_teardown(void);
+void gen6_init_rps_frequencies(struct drm_i915_private *dev_priv);
 void intel_init_gt_powersave(struct drm_i915_private *dev_priv);
 void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv);
 void intel_enable_gt_powersave(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c6519dd..757b895 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5100,7 +5100,7 @@ int sanitize_rc6_option(struct drm_i915_private *dev_priv, int enable_rc6)
 	return INTEL_RC6_ENABLE;
 }
 
-static void gen6_init_rps_frequencies(struct drm_i915_private *dev_priv)
+void gen6_init_rps_frequencies(struct drm_i915_private *dev_priv)
 {
 	uint32_t rp_state_cap;
 	u32 ddcc_status = 0;
diff --git a/drivers/gpu/drm/i915/intel_slpc.c b/drivers/gpu/drm/i915/intel_slpc.c
index 702c6e3..ea36410 100644
--- a/drivers/gpu/drm/i915/intel_slpc.c
+++ b/drivers/gpu/drm/i915/intel_slpc.c
@@ -125,6 +125,9 @@ void intel_slpc_disable(struct drm_i915_private *dev_priv)
 
 void intel_slpc_enable(struct drm_i915_private *dev_priv)
 {
+	/* Initialize the rps frequecny values */
+	gen6_init_rps_frequencies(dev_priv);
+
 	return;
 }
 
-- 
1.9.1



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