drm/i915: move chv_dpll_md and bxt_phy_grc to display sub-struct under state

Move the display related members to the struct drm_i915_private display
sub-struct. Put them under "state", as they are related to storing
values that aren't readable from the hardware, to appease the state
checker.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230117143946.2426043-3-jani.nikula@intel.com

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

@@ -3241,7 +3241,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
 	if (DISPLAY_VER(dev_priv) >= 4) {
 		/* No way to read it out on pipes B and C */
 		if (IS_CHERRYVIEW(dev_priv) && crtc->pipe != PIPE_A)
-			tmp = dev_priv->chv_dpll_md[crtc->pipe];
+			tmp = dev_priv->display.state.chv_dpll_md[crtc->pipe];
 		else
 			tmp = intel_de_read(dev_priv, DPLL_MD(crtc->pipe));
 		pipe_config->pixel_multiplier =

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

@@ -441,6 +441,16 @@ struct intel_display {
 		u8 phy_failed_calibration;
 	} snps;
 
+	struct {
+		/*
+		 * Shadows for CHV DPLL_MD regs to keep the state
+		 * checker somewhat working in the presence hardware
+		 * crappiness (can't read out DPLL_MD for pipes B & C).
+		 */
+		u32 chv_dpll_md[I915_MAX_PIPES];
+		u32 bxt_phy_grc;
+	} state;
+
 	struct {
 		/* ordered wq for modesets */
 		struct workqueue_struct *modeset;

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

@@ -376,7 +376,7 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv,
 	if (bxt_ddi_phy_is_enabled(dev_priv, phy)) {
 		/* Still read out the GRC value for state verification */
 		if (phy_info->rcomp_phy != -1)
-			dev_priv->bxt_phy_grc = bxt_get_grc(dev_priv, phy);
+			dev_priv->display.state.bxt_phy_grc = bxt_get_grc(dev_priv, phy);
 
 		if (bxt_ddi_phy_verify_state(dev_priv, phy)) {
 			drm_dbg(&dev_priv->drm, "DDI PHY %d already enabled, "
@@ -442,8 +442,9 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv,
 		 * the corresponding calibrated value from PHY1, and disable
 		 * the automatic calibration on PHY0.
 		 */
-		val = dev_priv->bxt_phy_grc = bxt_get_grc(dev_priv,
-							  phy_info->rcomp_phy);
+		val = bxt_get_grc(dev_priv, phy_info->rcomp_phy);
+		dev_priv->display.state.bxt_phy_grc = val;
+
 		grc_code = val << GRC_CODE_FAST_SHIFT |
 			   val << GRC_CODE_SLOW_SHIFT |
 			   val;
@@ -568,7 +569,7 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
 			   "BXT_PORT_CL2CM_DW6(%d)", phy);
 
 	if (phy_info->rcomp_phy != -1) {
-		u32 grc_code = dev_priv->bxt_phy_grc;
+		u32 grc_code = dev_priv->display.state.bxt_phy_grc;
 
 		grc_code = grc_code << GRC_CODE_FAST_SHIFT |
 			   grc_code << GRC_CODE_SLOW_SHIFT |

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

@@ -1910,7 +1910,7 @@ void chv_enable_pll(const struct intel_crtc_state *crtc_state)
 		intel_de_write(dev_priv, DPLL_MD(PIPE_B),
 			       crtc_state->dpll_hw_state.dpll_md);
 		intel_de_write(dev_priv, CBR4_VLV, 0);
-		dev_priv->chv_dpll_md[pipe] = crtc_state->dpll_hw_state.dpll_md;
+		dev_priv->display.state.chv_dpll_md[pipe] = crtc_state->dpll_hw_state.dpll_md;
 
 		/*
 		 * DPLLB VGA mode also seems to cause problems.

drivers/gpu/drm/i915/i915_drv.h

@@ -308,14 +308,6 @@ struct drm_i915_private {
 
 	struct i915_gpu_error gpu_error;
 
-	/*
-	 * Shadows for CHV DPLL_MD regs to keep the state
-	 * checker somewhat working in the presence hardware
-	 * crappiness (can't read out DPLL_MD for pipes B & C).
-	 */
-	u32 chv_dpll_md[I915_MAX_PIPES];
-	u32 bxt_phy_grc;
-
 	u32 suspend_count;
 	struct i915_suspend_saved_registers regfile;
 	struct vlv_s0ix_state *vlv_s0ix_state;