drm/i915: Simplify intel_initial_plane_config() calling convention

There's no reason the caller of intel_initial_plane_config() should
have to loop over the CRTCs. Pull the loop into the function to
make life simpler for the caller.

v2: "fix" xe
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Tested-by: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240202224340.30647-13-ville.syrjala@linux.intel.comAcked-by: Lucas De Marchi <lucas.demarchi@intel.com>

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

@@ -415,7 +415,6 @@ int intel_display_driver_probe_nogem(struct drm_i915_private *i915)
 {
 	struct drm_device *dev = &i915->drm;
 	enum pipe pipe;
-	struct intel_crtc *crtc;
 	int ret;
 
 	if (!HAS_DISPLAY(i915))
@@ -465,11 +464,7 @@ int intel_display_driver_probe_nogem(struct drm_i915_private *i915)
 	intel_acpi_assign_connector_fwnodes(i915);
 	drm_modeset_unlock_all(dev);
 
-	for_each_intel_crtc(dev, crtc) {
-		if (!to_intel_crtc_state(crtc->base.state)->uapi.active)
-			continue;
-		intel_crtc_initial_plane_config(crtc);
-	}
+	intel_initial_plane_config(i915);
 
 	/*
 	 * Make sure hardware watermarks really match the state we read out.

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

@@ -357,25 +357,31 @@ static void plane_config_fini(struct intel_initial_plane_config *plane_config)
 		i915_vma_put(plane_config->vma);
 }
 
-void intel_crtc_initial_plane_config(struct intel_crtc *crtc)
+void intel_initial_plane_config(struct drm_i915_private *i915)
 {
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	struct intel_initial_plane_config plane_config = {};
+	struct intel_crtc *crtc;
 
-	/*
-	 * Note that reserving the BIOS fb up front prevents us
-	 * from stuffing other stolen allocations like the ring
-	 * on top.  This prevents some ugliness at boot time, and
-	 * can even allow for smooth boot transitions if the BIOS
-	 * fb is large enough for the active pipe configuration.
-	 */
-	dev_priv->display.funcs.display->get_initial_plane_config(crtc, &plane_config);
+	for_each_intel_crtc(&i915->drm, crtc) {
+		struct intel_initial_plane_config plane_config = {};
 
-	/*
-	 * If the fb is shared between multiple heads, we'll
-	 * just get the first one.
-	 */
-	intel_find_initial_plane_obj(crtc, &plane_config);
+		if (!to_intel_crtc_state(crtc->base.state)->uapi.active)
+			continue;
 
-	plane_config_fini(&plane_config);
+		/*
+		 * Note that reserving the BIOS fb up front prevents us
+		 * from stuffing other stolen allocations like the ring
+		 * on top.  This prevents some ugliness at boot time, and
+		 * can even allow for smooth boot transitions if the BIOS
+		 * fb is large enough for the active pipe configuration.
+		 */
+		i915->display.funcs.display->get_initial_plane_config(crtc, &plane_config);
+
+		/*
+		 * If the fb is shared between multiple heads, we'll
+		 * just get the first one.
+		 */
+		intel_find_initial_plane_obj(crtc, &plane_config);
+
+		plane_config_fini(&plane_config);
+	}
 }

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

@@ -6,8 +6,8 @@
 #ifndef __INTEL_PLANE_INITIAL_H__
 #define __INTEL_PLANE_INITIAL_H__
 
-struct intel_crtc;
+struct drm_i915_private;
 
-void intel_crtc_initial_plane_config(struct intel_crtc *crtc);
+void intel_initial_plane_config(struct drm_i915_private *i915);
 
 #endif

drivers/gpu/drm/xe/display/xe_plane_initial.c

@@ -267,25 +267,31 @@ static void plane_config_fini(struct intel_initial_plane_config *plane_config)
 	}
 }
 
-void intel_crtc_initial_plane_config(struct intel_crtc *crtc)
+void intel_initial_plane_config(struct drm_i915_private *i915)
 {
-	struct xe_device *xe = to_xe_device(crtc->base.dev);
-	struct intel_initial_plane_config plane_config = {};
+	struct intel_crtc *crtc;
 
-	/*
-	 * Note that reserving the BIOS fb up front prevents us
-	 * from stuffing other stolen allocations like the ring
-	 * on top.  This prevents some ugliness at boot time, and
-	 * can even allow for smooth boot transitions if the BIOS
-	 * fb is large enough for the active pipe configuration.
-	 */
-	xe->display.funcs.display->get_initial_plane_config(crtc, &plane_config);
+	for_each_intel_crtc(&i915->drm, crtc) {
+		struct intel_initial_plane_config plane_config = {};
 
-	/*
-	 * If the fb is shared between multiple heads, we'll
-	 * just get the first one.
-	 */
-	intel_find_initial_plane_obj(crtc, &plane_config);
+		if (!to_intel_crtc_state(crtc->base.state)->uapi.active)
+			continue;
 
-	plane_config_fini(&plane_config);
+		/*
+		 * Note that reserving the BIOS fb up front prevents us
+		 * from stuffing other stolen allocations like the ring
+		 * on top.  This prevents some ugliness at boot time, and
+		 * can even allow for smooth boot transitions if the BIOS
+		 * fb is large enough for the active pipe configuration.
+		 */
+		i915->display.funcs.display->get_initial_plane_config(crtc, &plane_config);
+
+		/*
+		 * If the fb is shared between multiple heads, we'll
+		 * just get the first one.
+		 */
+		intel_find_initial_plane_obj(crtc, &plane_config);
+
+		plane_config_fini(&plane_config);
+	}
 }