drm/i915: move vblank_enabled to display substruct

The info is related to display, and should be placed under
i915->display. Start a new irq sub-substruct.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/eb89ed70020ea78396e1fec6f1a97693f2bdb96b.1712599670.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_display_core.h

@@ -447,6 +447,11 @@ struct intel_display {
 		bool false_color;
 	} ips;
 
+	struct {
+		/* For i915gm/i945gm vblank irq workaround */
+		u8 vblank_enabled;
+	} irq;
+
 	struct {
 		wait_queue_head_t waitqueue;
 

drivers/gpu/drm/i915/display/intel_display_irq.c

@@ -1203,7 +1203,7 @@ int i8xx_enable_vblank(struct drm_crtc *crtc)
 
 int i915gm_enable_vblank(struct drm_crtc *crtc)
 {
-	struct drm_i915_private *dev_priv = to_i915(crtc->dev);
+	struct drm_i915_private *i915 = to_i915(crtc->dev);
 
 	/*
 	 * Vblank interrupts fail to wake the device up from C2+.
@@ -1211,8 +1211,8 @@ int i915gm_enable_vblank(struct drm_crtc *crtc)
 	 * the problem. There is a small power cost so we do this
 	 * only when vblank interrupts are actually enabled.
 	 */
-	if (dev_priv->vblank_enabled++ == 0)
-		intel_uncore_write(&dev_priv->uncore, SCPD0, _MASKED_BIT_ENABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
+	if (i915->display.irq.vblank_enabled++ == 0)
+		intel_uncore_write(&i915->uncore, SCPD0, _MASKED_BIT_ENABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
 
 	return i8xx_enable_vblank(crtc);
 }
@@ -1315,12 +1315,12 @@ void i8xx_disable_vblank(struct drm_crtc *crtc)
 
 void i915gm_disable_vblank(struct drm_crtc *crtc)
 {
-	struct drm_i915_private *dev_priv = to_i915(crtc->dev);
+	struct drm_i915_private *i915 = to_i915(crtc->dev);
 
 	i8xx_disable_vblank(crtc);
 
-	if (--dev_priv->vblank_enabled == 0)
-		intel_uncore_write(&dev_priv->uncore, SCPD0, _MASKED_BIT_DISABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
+	if (--i915->display.irq.vblank_enabled == 0)
+		intel_uncore_write(&i915->uncore, SCPD0, _MASKED_BIT_DISABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
 }
 
 void i965_disable_vblank(struct drm_crtc *crtc)

drivers/gpu/drm/i915/i915_drv.h

@@ -348,9 +348,6 @@ struct drm_i915_private {
 
 	struct intel_pxp *pxp;
 
-	/* For i915gm/i945gm vblank irq workaround */
-	u8 vblank_enabled;
-
 	bool irq_enabled;
 
 	struct i915_pmu pmu;

drivers/gpu/drm/xe/xe_device_types.h

@@ -516,7 +516,6 @@ struct xe_device {
 		unsigned int hpll_freq;
 		unsigned int czclk_freq;
 		unsigned int fsb_freq, mem_freq, is_ddr3;
-		u8 vblank_enabled;
 	};
 	struct {
 		const char *dmc_firmware_path;