drm/i915: dev_priv cleanup in i915_suspend.c

And a little bit of function prototype changes.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/i915_drv.h

@@ -3483,8 +3483,8 @@ extern int intel_connector_register(struct drm_connector *);
 extern void intel_connector_unregister(struct drm_connector *);
 extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
 extern void intel_display_resume(struct drm_device *dev);
-extern void i915_redisable_vga(struct drm_device *dev);
-extern void i915_redisable_vga_power_on(struct drm_device *dev);
+extern void i915_redisable_vga(struct drm_i915_private *dev_priv);
+extern void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv);
 extern bool ironlake_set_drps(struct drm_i915_private *dev_priv, u8 val);
 extern void intel_init_pch_refclk(struct drm_device *dev);
 extern void intel_set_rps(struct drm_i915_private *dev_priv, u8 val);

drivers/gpu/drm/i915/i915_suspend.c

@@ -29,12 +29,10 @@
 #include "intel_drv.h"
 #include "i915_reg.h"
 
-static void i915_save_display(struct drm_device *dev)
+static void i915_save_display(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
-
 	/* Display arbitration control */
-	if (INTEL_INFO(dev)->gen <= 4)
+	if (INTEL_GEN(dev_priv) <= 4)
 		dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
 
 	/* save FBC interval */
@@ -42,12 +40,10 @@ static void i915_save_display(struct drm_device *dev)
 		dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL);
 }
 
-static void i915_restore_display(struct drm_device *dev)
+static void i915_restore_display(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
-
 	/* Display arbitration */
-	if (INTEL_INFO(dev)->gen <= 4)
+	if (INTEL_GEN(dev_priv) <= 4)
 		I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
 
 	/* only restore FBC info on the platform that supports FBC*/
@@ -57,7 +53,7 @@ static void i915_restore_display(struct drm_device *dev)
 	if (HAS_FBC(dev_priv) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv))
 		I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL);
 
-	i915_redisable_vga(dev);
+	i915_redisable_vga(dev_priv);
 }
 
 int i915_save_state(struct drm_device *dev)
@@ -68,14 +64,14 @@ int i915_save_state(struct drm_device *dev)
 
 	mutex_lock(&dev->struct_mutex);
 
-	i915_save_display(dev);
+	i915_save_display(dev_priv);
 
 	if (IS_GEN4(dev_priv))
 		pci_read_config_word(pdev, GCDGMBUS,
 				     &dev_priv->regfile.saveGCDGMBUS);
 
 	/* Cache mode state */
-	if (INTEL_INFO(dev)->gen < 7)
+	if (INTEL_GEN(dev_priv) < 7)
 		dev_priv->regfile.saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
 
 	/* Memory Arbitration state */
@@ -119,10 +115,10 @@ int i915_restore_state(struct drm_device *dev)
 	if (IS_GEN4(dev_priv))
 		pci_write_config_word(pdev, GCDGMBUS,
 				      dev_priv->regfile.saveGCDGMBUS);
-	i915_restore_display(dev);
+	i915_restore_display(dev_priv);
 
 	/* Cache mode state */
-	if (INTEL_INFO(dev)->gen < 7)
+	if (INTEL_GEN(dev_priv) < 7)
 		I915_WRITE(CACHE_MODE_0, dev_priv->regfile.saveCACHE_MODE_0 |
 			   0xffff0000);
 

drivers/gpu/drm/i915/intel_display.c

@@ -3503,7 +3503,7 @@ __intel_display_resume(struct drm_device *dev,
 	int i, ret;
 
 	intel_modeset_setup_hw_state(dev);
-	i915_redisable_vga(dev);
+	i915_redisable_vga(to_i915(dev));
 
 	if (!state)
 		return 0;
@@ -16319,9 +16319,8 @@ static void intel_init_quirks(struct drm_device *dev)
 }
 
 /* Disable the VGA plane that we never use */
-static void i915_disable_vga(struct drm_device *dev)
+static void i915_disable_vga(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct pci_dev *pdev = dev_priv->drm.pdev;
 	u8 sr1;
 	i915_reg_t vga_reg = i915_vgacntrl_reg(dev_priv);
@@ -16524,7 +16523,7 @@ int intel_modeset_init(struct drm_device *dev)
 		intel_update_max_cdclk(dev_priv);
 
 	/* Just disable it once at startup */
-	i915_disable_vga(dev);
+	i915_disable_vga(dev_priv);
 	intel_setup_outputs(dev);
 
 	drm_modeset_lock_all(dev);
@@ -16770,21 +16769,18 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
 	 * the crtc fixup. */
 }
 
-void i915_redisable_vga_power_on(struct drm_device *dev)
+void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	i915_reg_t vga_reg = i915_vgacntrl_reg(dev_priv);
 
 	if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) {
 		DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n");
-		i915_disable_vga(dev);
+		i915_disable_vga(dev_priv);
 	}
 }
 
-void i915_redisable_vga(struct drm_device *dev)
+void i915_redisable_vga(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
-
 	/* This function can be called both from intel_modeset_setup_hw_state or
 	 * at a very early point in our resume sequence, where the power well
 	 * structures are not yet restored. Since this function is at a very
@@ -16795,7 +16791,7 @@ void i915_redisable_vga(struct drm_device *dev)
 	if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_VGA))
 		return;
 
-	i915_redisable_vga_power_on(dev);
+	i915_redisable_vga_power_on(dev_priv);
 
 	intel_display_power_put(dev_priv, POWER_DOMAIN_VGA);
 }

drivers/gpu/drm/i915/intel_runtime_pm.c

@@ -1097,7 +1097,7 @@ static void vlv_display_power_well_init(struct drm_i915_private *dev_priv)
 			intel_crt_reset(&encoder->base);
 	}
 
-	i915_redisable_vga_power_on(&dev_priv->drm);
+	i915_redisable_vga_power_on(dev_priv);
 
 	intel_pps_unlock_regs_wa(dev_priv);
 }