[RFC PATCH 2/5] drm/i915/display: Use panel index to parse panel timing for dual EDP

[Animesh Manna <animesh.manna@xxxxxxxxx>]

There will be separate entry for eack LFP in VBT. Panel index is
used for deriving panel timing info of the respective panel.

Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_bios.c | 26 ++++++++++++-----------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 78eaf6255599..943c5584f242 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -793,16 +793,16 @@ static void
 parse_lfp_panel_dtd(struct drm_i915_private *i915,
 		    struct intel_panel *panel,
 		    const struct bdb_lvds_lfp_data *lvds_lfp_data,
-		    const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs)
+		    const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs,
+		    int panel_index)
 {
 	const struct lvds_dvo_timing *panel_dvo_timing;
 	const struct lvds_fp_timing *fp_timing;
 	struct drm_display_mode *panel_fixed_mode;
-	int panel_type = panel->vbt.panel_type;
 
 	panel_dvo_timing = get_lvds_dvo_timing(lvds_lfp_data,
 					       lvds_lfp_data_ptrs,
-					       panel_type);
+					       panel_index);
 
 	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
 	if (!panel_fixed_mode)
@@ -818,7 +818,7 @@ parse_lfp_panel_dtd(struct drm_i915_private *i915,
 
 	fp_timing = get_lvds_fp_timing(lvds_lfp_data,
 				       lvds_lfp_data_ptrs,
-				       panel_type);
+				       panel_index);
 
 	/* check the resolution, just to be sure */
 	if (fp_timing->x_res == panel_fixed_mode->hdisplay &&
@@ -832,7 +832,8 @@ parse_lfp_panel_dtd(struct drm_i915_private *i915,
 
 static void
 parse_lfp_data(struct drm_i915_private *i915,
-	       struct intel_panel *panel)
+	       struct intel_panel *panel,
+	       int panel_index)
 {
 	const struct bdb_lvds_lfp_data *data;
 	const struct bdb_lvds_lfp_data_tail *tail;
@@ -848,7 +849,7 @@ parse_lfp_data(struct drm_i915_private *i915,
 		return;
 
 	if (!panel->vbt.lfp_lvds_vbt_mode)
-		parse_lfp_panel_dtd(i915, panel, data, ptrs);
+		parse_lfp_panel_dtd(i915, panel, data, ptrs, panel_index);
 
 	tail = get_lfp_data_tail(data, ptrs);
 	if (!tail)
@@ -865,7 +866,8 @@ parse_lfp_data(struct drm_i915_private *i915,
 
 static void
 parse_generic_dtd(struct drm_i915_private *i915,
-		  struct intel_panel *panel)
+		  struct intel_panel *panel,
+		  int panel_index)
 {
 	const struct bdb_generic_dtd *generic_dtd;
 	const struct generic_dtd_entry *dtd;
@@ -900,14 +902,14 @@ parse_generic_dtd(struct drm_i915_private *i915,
 
 	num_dtd = (get_blocksize(generic_dtd) -
 		   sizeof(struct bdb_generic_dtd)) / generic_dtd->gdtd_size;
-	if (panel->vbt.panel_type >= num_dtd) {
+	if (panel_index >= num_dtd) {
 		drm_err(&i915->drm,
 			"Panel type %d not found in table of %d DTD's\n",
-			panel->vbt.panel_type, num_dtd);
+			panel_index, num_dtd);
 		return;
 	}
 
-	dtd = &generic_dtd->dtd[panel->vbt.panel_type];
+	dtd = &generic_dtd->dtd[panel_index];
 
 	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
 	if (!panel_fixed_mode)
@@ -3113,8 +3115,8 @@ void intel_bios_init_panel(struct drm_i915_private *i915,
 	panel_index = get_lfp_panel_index(i915, lfp_inst);
 
 	parse_panel_options(i915, panel, edid, panel_index);
-	parse_generic_dtd(i915, panel);
-	parse_lfp_data(i915, panel);
+	parse_generic_dtd(i915, panel, panel_index);
+	parse_lfp_data(i915, panel, panel_index);
 	parse_lfp_backlight(i915, panel);
 	parse_sdvo_panel_data(i915, panel);
 	parse_panel_driver_features(i915, panel);
-- 
2.29.0