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From 771decb0b4d75b5cc1d7ddfbdf512bd8768d2793 Mon Sep 17 00:00:00 2001
From: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Date: Tue, 10 Oct 2017 22:30:07 +0100
Subject: [PATCH] drm/i915: Rename intel_enable_rc6 to intel_rc6_enabled
Git-commit: 771decb0b4d75b5cc1d7ddfbdf512bd8768d2793
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900

This function gives the status of RC6, whether disabled or if
enabled then which state. intel_enable_rc6 will be used for
enabling RC6 in the next patch.

V2: Rebase.

V3: Rebase.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com> #1
Reviewed-by: Ewelina Musial <ewelina.musial@intel.com> #1
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/1507360055-19948-10-git-send-email-sagar.a.kamble@intel.com
Acked-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171010213010.7415-9-chris@chris-wilson.co.uk
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/i915_drv.c   |    2 +-
 drivers/gpu/drm/i915/i915_sysfs.c |    2 +-
 drivers/gpu/drm/i915/intel_drv.h  |    2 +-
 drivers/gpu/drm/i915/intel_guc.c  |    3 ++-
 drivers/gpu/drm/i915/intel_pm.c   |   12 ++++++------
 5 files changed, 11 insertions(+), 10 deletions(-)

--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2502,7 +2502,7 @@ static int intel_runtime_suspend(struct
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	int ret;
 
-	if (WARN_ON_ONCE(!(dev_priv->gt_pm.rps.enabled && intel_enable_rc6())))
+	if (WARN_ON_ONCE(!(dev_priv->gt_pm.rps.enabled && intel_rc6_enabled())))
 		return -ENODEV;
 
 	if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev_priv)))
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -49,7 +49,7 @@ static u32 calc_residency(struct drm_i91
 static ssize_t
 show_rc6_mask(struct device *kdev, struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%x\n", intel_enable_rc6());
+	return snprintf(buf, PAGE_SIZE, "%x\n", intel_rc6_enabled());
 }
 
 static ssize_t
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1902,7 +1902,7 @@ int skl_check_pipe_max_pixel_rate(struct
 				  struct intel_crtc_state *cstate);
 void intel_init_ipc(struct drm_i915_private *dev_priv);
 void intel_enable_ipc(struct drm_i915_private *dev_priv);
-static inline int intel_enable_rc6(void)
+static inline int intel_rc6_enabled(void)
 {
 	return i915_modparams.enable_rc6;
 }
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -137,7 +137,8 @@ int intel_guc_sample_forcewake(struct in
 
 	action[0] = INTEL_GUC_ACTION_SAMPLE_FORCEWAKE;
 	/* WaRsDisableCoarsePowerGating:skl,bxt */
-	if (!intel_enable_rc6() || NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
+	if (!intel_rc6_enabled() ||
+	    NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
 		action[1] = 0;
 	else
 		/* bit 0 and 1 are for Render and Media domain separately */
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6616,7 +6616,7 @@ static void gen9_enable_rc6(struct drm_i
 	I915_WRITE(GEN9_RENDER_PG_IDLE_HYSTERESIS, 25);
 
 	/* 3a: Enable RC6 */
-	if (intel_enable_rc6() & INTEL_RC6_ENABLE)
+	if (intel_rc6_enabled() & INTEL_RC6_ENABLE)
 		rc6_mask = GEN6_RC_CTL_RC6_ENABLE;
 	DRM_INFO("RC6 %s\n", onoff(rc6_mask & GEN6_RC_CTL_RC6_ENABLE));
 	I915_WRITE(GEN6_RC6_THRESHOLD, 37500); /* 37.5/125ms per EI */
@@ -6662,7 +6662,7 @@ static void gen8_enable_rc6(struct drm_i
 	I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us/1.28 for TO */
 
 	/* 3: Enable RC6 */
-	if (intel_enable_rc6() & INTEL_RC6_ENABLE)
+	if (intel_rc6_enabled() & INTEL_RC6_ENABLE)
 		rc6_mask = GEN6_RC_CTL_RC6_ENABLE;
 	intel_print_rc6_info(dev_priv, rc6_mask);
 
@@ -6757,7 +6757,7 @@ static void gen6_enable_rc6(struct drm_i
 	I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
 
 	/* Check if we are enabling RC6 */
-	rc6_mode = intel_enable_rc6();
+	rc6_mode = intel_rc6_enabled();
 	if (rc6_mode & INTEL_RC6_ENABLE)
 		rc6_mask |= GEN6_RC_CTL_RC6_ENABLE;
 
@@ -7259,7 +7259,7 @@ static void cherryview_enable_rc6(struct
 	pcbr = I915_READ(VLV_PCBR);
 
 	/* 3: Enable RC6 */
-	if ((intel_enable_rc6() & INTEL_RC6_ENABLE) &&
+	if ((intel_rc6_enabled() & INTEL_RC6_ENABLE) &&
 	    (pcbr >> VLV_PCBR_ADDR_SHIFT))
 		rc6_mode = GEN7_RC_CTL_TO_MODE;
 
@@ -7351,7 +7351,7 @@ static void valleyview_enable_rc6(struct
 				      VLV_MEDIA_RC6_COUNT_EN |
 				      VLV_RENDER_RC6_COUNT_EN));
 
-	if (intel_enable_rc6() & INTEL_RC6_ENABLE)
+	if (intel_rc6_enabled() & INTEL_RC6_ENABLE)
 		rc6_mode = GEN7_RC_CTL_TO_MODE | VLV_RC_CTL_CTX_RST_PARALLEL;
 
 	intel_print_rc6_info(dev_priv, rc6_mode);
@@ -9431,7 +9431,7 @@ u64 intel_rc6_residency_us(struct drm_i9
 {
 	u64 time_hw, units, div;
 
-	if (!intel_enable_rc6())
+	if (!intel_rc6_enabled())
 		return 0;
 
 	intel_runtime_pm_get(dev_priv);