[PATCH v4 2/2] drm/i915/bios: convert intel_bios_init_panel() to drm_edid

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Try to use struct drm_edid where possible, even if having to fall back
to looking into struct edid down low via drm_edid_raw().

v2: Rebase

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_bios.c | 19 ++++++++++---------
 drivers/gpu/drm/i915/display/intel_bios.h |  4 ++--
 drivers/gpu/drm/i915/display/intel_dp.c   |  2 +-
 drivers/gpu/drm/i915/display/intel_lvds.c |  2 +-
 4 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 51dde5bfd956..2fa296d8e69d 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -606,14 +606,14 @@ get_lfp_data_tail(const struct bdb_lvds_lfp_data *data,
 
 static int opregion_get_panel_type(struct drm_i915_private *i915,
 				   const struct intel_bios_encoder_data *devdata,
-				   const struct edid *edid)
+				   const struct drm_edid *drm_edid)
 {
 	return intel_opregion_get_panel_type(i915);
 }
 
 static int vbt_get_panel_type(struct drm_i915_private *i915,
 			      const struct intel_bios_encoder_data *devdata,
-			      const struct edid *edid)
+			      const struct drm_edid *drm_edid)
 {
 	const struct bdb_lvds_options *lvds_options;
 
@@ -638,12 +638,13 @@ static int vbt_get_panel_type(struct drm_i915_private *i915,
 
 static int pnpid_get_panel_type(struct drm_i915_private *i915,
 				const struct intel_bios_encoder_data *devdata,
-				const struct edid *edid)
+				const struct drm_edid *drm_edid)
 {
 	const struct bdb_lvds_lfp_data *data;
 	const struct bdb_lvds_lfp_data_ptrs *ptrs;
 	const struct lvds_pnp_id *edid_id;
 	struct lvds_pnp_id edid_id_nodate;
+	const struct edid *edid = drm_edid_raw(drm_edid); /* FIXME */
 	int i, best = -1;
 
 	if (!edid)
@@ -685,7 +686,7 @@ static int pnpid_get_panel_type(struct drm_i915_private *i915,
 
 static int fallback_get_panel_type(struct drm_i915_private *i915,
 				   const struct intel_bios_encoder_data *devdata,
-				   const struct edid *edid)
+				   const struct drm_edid *drm_edid)
 {
 	return 0;
 }
@@ -699,13 +700,13 @@ enum panel_type {
 
 static int get_panel_type(struct drm_i915_private *i915,
 			  const struct intel_bios_encoder_data *devdata,
-			  const struct edid *edid)
+			  const struct drm_edid *drm_edid)
 {
 	struct {
 		const char *name;
 		int (*get_panel_type)(struct drm_i915_private *i915,
 				      const struct intel_bios_encoder_data *devdata,
-				      const struct edid *edid);
+				      const struct drm_edid *drm_edid);
 		int panel_type;
 	} panel_types[] = {
 		[PANEL_TYPE_OPREGION] = {
@@ -728,7 +729,7 @@ static int get_panel_type(struct drm_i915_private *i915,
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(panel_types); i++) {
-		panel_types[i].panel_type = panel_types[i].get_panel_type(i915, devdata, edid);
+		panel_types[i].panel_type = panel_types[i].get_panel_type(i915, devdata, drm_edid);
 
 		drm_WARN_ON(&i915->drm, panel_types[i].panel_type > 0xf &&
 			    panel_types[i].panel_type != 0xff);
@@ -3144,11 +3145,11 @@ void intel_bios_init(struct drm_i915_private *i915)
 void intel_bios_init_panel(struct drm_i915_private *i915,
 			   struct intel_panel *panel,
 			   const struct intel_bios_encoder_data *devdata,
-			   const struct edid *edid)
+			   const struct drm_edid *drm_edid)
 {
 	init_vbt_panel_defaults(panel);
 
-	panel->vbt.panel_type = get_panel_type(i915, devdata, edid);
+	panel->vbt.panel_type = get_panel_type(i915, devdata, drm_edid);
 
 	parse_panel_options(i915, panel);
 	parse_generic_dtd(i915, panel);
diff --git a/drivers/gpu/drm/i915/display/intel_bios.h b/drivers/gpu/drm/i915/display/intel_bios.h
index e47582b0de0a..defea578a768 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.h
+++ b/drivers/gpu/drm/i915/display/intel_bios.h
@@ -32,8 +32,8 @@
 
 #include <linux/types.h>
 
+struct drm_edid;
 struct drm_i915_private;
-struct edid;
 struct intel_bios_encoder_data;
 struct intel_crtc_state;
 struct intel_encoder;
@@ -235,7 +235,7 @@ void intel_bios_init(struct drm_i915_private *dev_priv);
 void intel_bios_init_panel(struct drm_i915_private *dev_priv,
 			   struct intel_panel *panel,
 			   const struct intel_bios_encoder_data *devdata,
-			   const struct edid *edid);
+			   const struct drm_edid *drm_edid);
 void intel_bios_fini_panel(struct intel_panel *panel);
 void intel_bios_driver_remove(struct drm_i915_private *dev_priv);
 bool intel_bios_is_valid_vbt(const void *buf, size_t size);
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 8a3b2dbebe04..f9633fc90e10 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5265,7 +5265,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 	intel_connector->edid = drm_edid;
 
 	intel_bios_init_panel(dev_priv, &intel_connector->panel, encoder->devdata,
-			      IS_ERR_OR_NULL(drm_edid) ? NULL : drm_edid_raw(drm_edid));
+			      IS_ERR(drm_edid) ? NULL : drm_edid);
 
 	intel_panel_add_edid_fixed_modes(intel_connector,
 					 intel_connector->panel.vbt.drrs_type != DRRS_TYPE_NONE,
diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c
index 98c07fd3bd3e..1f578a8ea919 100644
--- a/drivers/gpu/drm/i915/display/intel_lvds.c
+++ b/drivers/gpu/drm/i915/display/intel_lvds.c
@@ -973,7 +973,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	intel_connector->edid = drm_edid;
 
 	intel_bios_init_panel(dev_priv, &intel_connector->panel, NULL,
-			      IS_ERR_OR_NULL(drm_edid) ? NULL : drm_edid_raw(drm_edid));
+			      IS_ERR(drm_edid) ? NULL : drm_edid);
 
 	/* Try EDID first */
 	intel_panel_add_edid_fixed_modes(intel_connector,
-- 
2.30.2