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

Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_bios.c | 23 ++++++++++++-----------
 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, 16 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c 
b/drivers/gpu/drm/i915/display/intel_bios.c
index 78abe34c7a42..e6ca51232dcf 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -619,14 +619,14 @@ static void dump_pnp_id(struct drm_i915_private *i915,
 
 static int opregion_get_panel_type(struct drm_i915_private *i915,
                                   const struct intel_bios_encoder_data 
*devdata,
-                                  const struct edid *edid, bool use_fallback)
+                                  const struct drm_edid *drm_edid, bool 
use_fallback)
 {
        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, bool use_fallback)
+                             const struct drm_edid *drm_edid, bool 
use_fallback)
 {
        const struct bdb_lvds_options *lvds_options;
 
@@ -651,12 +651,13 @@ 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, bool use_fallback)
+                               const struct drm_edid *drm_edid, bool 
use_fallback)
 {
        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)
@@ -700,7 +701,7 @@ 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, bool use_fallback)
+                                  const struct drm_edid *drm_edid, bool 
use_fallback)
 {
        return use_fallback ? 0 : -1;
 }
@@ -714,13 +715,13 @@ enum panel_type {
 
 static int get_panel_type(struct drm_i915_private *i915,
                          const struct intel_bios_encoder_data *devdata,
-                         const struct edid *edid, bool use_fallback)
+                         const struct drm_edid *drm_edid, bool use_fallback)
 {
        struct {
                const char *name;
                int (*get_panel_type)(struct drm_i915_private *i915,
                                      const struct intel_bios_encoder_data 
*devdata,
-                                     const struct edid *edid, bool 
use_fallback);
+                                     const struct drm_edid *drm_edid, bool 
use_fallback);
                int panel_type;
        } panel_types[] = {
                [PANEL_TYPE_OPREGION] = {
@@ -744,7 +745,7 @@ static int get_panel_type(struct drm_i915_private *i915,
 
        for (i = 0; i < ARRAY_SIZE(panel_types); i++) {
                panel_types[i].panel_type = panel_types[i].get_panel_type(i915, 
devdata,
-                                                                         edid, 
use_fallback);
+                                                                         
drm_edid, use_fallback);
 
                drm_WARN_ON(&i915->drm, panel_types[i].panel_type > 0xf &&
                            panel_types[i].panel_type != 0xff);
@@ -3186,7 +3187,7 @@ void intel_bios_init(struct drm_i915_private *i915)
 static 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,
                                  bool use_fallback)
 {
        /* already have it? */
@@ -3196,7 +3197,7 @@ static void intel_bios_init_panel(struct drm_i915_private 
*i915,
        }
 
        panel->vbt.panel_type = get_panel_type(i915, devdata,
-                                              edid, use_fallback);
+                                              drm_edid, use_fallback);
        if (panel->vbt.panel_type < 0) {
                drm_WARN_ON(&i915->drm, use_fallback);
                return;
@@ -3227,9 +3228,9 @@ void intel_bios_init_panel_early(struct drm_i915_private 
*i915,
 void intel_bios_init_panel_late(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)
 {
-       intel_bios_init_panel(i915, panel, devdata, edid, true);
+       intel_bios_init_panel(i915, panel, devdata, drm_edid, true);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/display/intel_bios.h 
b/drivers/gpu/drm/i915/display/intel_bios.h
index ff1fdd2e0c1c..d221f784aa88 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;
@@ -238,7 +238,7 @@ void intel_bios_init_panel_early(struct drm_i915_private 
*dev_priv,
 void intel_bios_init_panel_late(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 cd7fae1b7543..4cc7c04b9bda 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5322,7 +5322,7 @@ static bool intel_edp_init_connector(struct intel_dp 
*intel_dp,
        intel_connector->edid = drm_edid;
 
        intel_bios_init_panel_late(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, true);
 
diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c 
b/drivers/gpu/drm/i915/display/intel_lvds.c
index 6a98787edf48..9f6910bba2e9 100644
--- a/drivers/gpu/drm/i915/display/intel_lvds.c
+++ b/drivers/gpu/drm/i915/display/intel_lvds.c
@@ -977,7 +977,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
        intel_connector->edid = drm_edid;
 
        intel_bios_init_panel_late(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, true);
-- 
2.34.1

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