Convert all the connectors that use cached connector edid and
detect_edid to drm_edid.

v3: Don't leak vga switcheroo EDID in LVDS init (Ville)

v2: Don't leak opregion fallback EDID (Ville)

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 .../gpu/drm/i915/display/intel_connector.c    |  4 +-
 .../drm/i915/display/intel_display_types.h    |  4 +-
 drivers/gpu/drm/i915/display/intel_dp.c       | 77 +++++++++++--------
 drivers/gpu/drm/i915/display/intel_hdmi.c     | 26 ++++---
 drivers/gpu/drm/i915/display/intel_lvds.c     | 37 +++++----
 5 files changed, 82 insertions(+), 66 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_connector.c 
b/drivers/gpu/drm/i915/display/intel_connector.c
index 1dcc268927a2..d83b2a64f618 100644
--- a/drivers/gpu/drm/i915/display/intel_connector.c
+++ b/drivers/gpu/drm/i915/display/intel_connector.c
@@ -95,12 +95,12 @@ void intel_connector_destroy(struct drm_connector 
*connector)
 {
        struct intel_connector *intel_connector = to_intel_connector(connector);
 
-       kfree(intel_connector->detect_edid);
+       drm_edid_free(intel_connector->detect_edid);
 
        intel_hdcp_cleanup(intel_connector);
 
        if (!IS_ERR_OR_NULL(intel_connector->edid))
-               kfree(intel_connector->edid);
+               drm_edid_free(intel_connector->edid);
 
        intel_panel_fini(intel_connector);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 0da9b208d56e..d476df0ac9df 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -592,8 +592,8 @@ struct intel_connector {
        struct intel_panel panel;
 
        /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
-       struct edid *edid;
-       struct edid *detect_edid;
+       const struct drm_edid *edid;
+       const struct drm_edid *detect_edid;
 
        /* Number of times hotplug detection was tried after an HPD interrupt */
        int hotplug_retries;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
b/drivers/gpu/drm/i915/display/intel_dp.c
index 32292c0be2bd..4ee35317cf2a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3577,12 +3577,11 @@ static u8 intel_dp_autotest_edid(struct intel_dp 
*intel_dp)
                                    intel_dp->aux.i2c_defer_count);
                intel_dp->compliance.test_data.edid = 
INTEL_DP_RESOLUTION_FAILSAFE;
        } else {
-               struct edid *block = intel_connector->detect_edid;
+               /* FIXME: Get rid of drm_edid_raw() */
+               const struct edid *block = 
drm_edid_raw(intel_connector->detect_edid);
 
-               /* We have to write the checksum
-                * of the last block read
-                */
-               block += intel_connector->detect_edid->extensions;
+               /* We have to write the checksum of the last block read */
+               block += block->extensions;
 
                if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_EDID_CHECKSUM,
                                       block->checksum) <= 0)
@@ -4461,7 +4460,7 @@ bool intel_digital_port_connected(struct intel_encoder 
*encoder)
        return is_connected;
 }
 
-static struct edid *
+static const struct drm_edid *
 intel_dp_get_edid(struct intel_dp *intel_dp)
 {
        struct intel_connector *intel_connector = intel_dp->attached_connector;
@@ -4472,18 +4471,22 @@ intel_dp_get_edid(struct intel_dp *intel_dp)
                if (IS_ERR(intel_connector->edid))
                        return NULL;
 
-               return drm_edid_duplicate(intel_connector->edid);
+               return drm_edid_dup(intel_connector->edid);
        } else
-               return drm_get_edid(&intel_connector->base,
-                                   &intel_dp->aux.ddc);
+               return drm_edid_read_ddc(&intel_connector->base,
+                                        &intel_dp->aux.ddc);
 }
 
 static void
 intel_dp_update_dfp(struct intel_dp *intel_dp,
-                   const struct edid *edid)
+                   const struct drm_edid *drm_edid)
 {
        struct drm_i915_private *i915 = dp_to_i915(intel_dp);
        struct intel_connector *connector = intel_dp->attached_connector;
+       const struct edid *edid;
+
+       /* FIXME: Get rid of drm_edid_raw() */
+       edid = drm_edid_raw(drm_edid);
 
        intel_dp->dfp.max_bpc =
                drm_dp_downstream_max_bpc(intel_dp->dpcd,
@@ -4583,21 +4586,24 @@ intel_dp_set_edid(struct intel_dp *intel_dp)
 {
        struct drm_i915_private *i915 = dp_to_i915(intel_dp);
        struct intel_connector *connector = intel_dp->attached_connector;
-       struct edid *edid;
+       const struct drm_edid *drm_edid;
+       const struct edid *edid;
        bool vrr_capable;
 
        intel_dp_unset_edid(intel_dp);
-       edid = intel_dp_get_edid(intel_dp);
-       connector->detect_edid = edid;
+       drm_edid = intel_dp_get_edid(intel_dp);
+       connector->detect_edid = drm_edid;
 
        vrr_capable = intel_vrr_is_capable(connector);
        drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] VRR capable: %s\n",
                    connector->base.base.id, connector->base.name, 
str_yes_no(vrr_capable));
        drm_connector_set_vrr_capable_property(&connector->base, vrr_capable);
 
-       intel_dp_update_dfp(intel_dp, edid);
+       intel_dp_update_dfp(intel_dp, drm_edid);
        intel_dp_update_420(intel_dp);
 
+       /* FIXME: Get rid of drm_edid_raw() */
+       edid = drm_edid_raw(drm_edid);
        if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) {
                intel_dp->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
                intel_dp->has_audio = drm_detect_monitor_audio(edid);
@@ -4612,7 +4618,7 @@ intel_dp_unset_edid(struct intel_dp *intel_dp)
        struct intel_connector *connector = intel_dp->attached_connector;
 
        drm_dp_cec_unset_edid(&intel_dp->aux);
-       kfree(connector->detect_edid);
+       drm_edid_free(connector->detect_edid);
        connector->detect_edid = NULL;
 
        intel_dp->has_hdmi_sink = false;
@@ -4776,12 +4782,11 @@ intel_dp_force(struct drm_connector *connector)
 static int intel_dp_get_modes(struct drm_connector *connector)
 {
        struct intel_connector *intel_connector = to_intel_connector(connector);
-       struct edid *edid;
+       const struct drm_edid *drm_edid;
        int num_modes = 0;
 
-       edid = intel_connector->detect_edid;
-       if (edid)
-               num_modes = intel_connector_update_modes(connector, edid);
+       drm_edid = intel_connector->detect_edid;
+       num_modes = drm_edid_connector_update(connector, drm_edid);
 
        /* Also add fixed mode, which may or may not be present in EDID */
        if (intel_dp_is_edp(intel_attached_dp(intel_connector)))
@@ -4790,7 +4795,7 @@ static int intel_dp_get_modes(struct drm_connector 
*connector)
        if (num_modes)
                return num_modes;
 
-       if (!edid) {
+       if (!drm_edid) {
                struct intel_dp *intel_dp = intel_attached_dp(intel_connector);
                struct drm_display_mode *mode;
 
@@ -5198,7 +5203,7 @@ static bool intel_edp_init_connector(struct intel_dp 
*intel_dp,
        struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
        bool has_dpcd;
        enum pipe pipe = INVALID_PIPE;
-       struct edid *edid;
+       const struct drm_edid *drm_edid;
 
        if (!intel_dp_is_edp(intel_dp))
                return true;
@@ -5231,29 +5236,33 @@ static bool intel_edp_init_connector(struct intel_dp 
*intel_dp,
        }
 
        mutex_lock(&dev->mode_config.mutex);
-       edid = drm_get_edid(connector, &intel_dp->aux.ddc);
-       if (!edid) {
+       drm_edid = drm_edid_read_ddc(connector, &intel_dp->aux.ddc);
+       if (!drm_edid) {
+               const struct edid *edid;
+
                /* Fallback to EDID from ACPI OpRegion, if any */
+               /* FIXME: Make intel_opregion_get_edid() return drm_edid */
                edid = intel_opregion_get_edid(intel_connector);
-               if (edid)
+               if (edid) {
+                       drm_edid = drm_edid_alloc(edid, (edid->extensions + 1) 
* EDID_LENGTH);
                        drm_dbg_kms(&dev_priv->drm,
                                    "[CONNECTOR:%d:%s] Using OpRegion EDID\n",
                                    connector->base.id, connector->name);
-       }
-       if (edid) {
-               if (drm_add_edid_modes(connector, edid)) {
-                       drm_connector_update_edid_property(connector, edid);
-               } else {
                        kfree(edid);
-                       edid = ERR_PTR(-EINVAL);
+               }
+       }
+       if (drm_edid) {
+               if (!drm_edid_connector_update(connector, drm_edid)) {
+                       drm_edid_free(drm_edid);
+                       drm_edid = ERR_PTR(-EINVAL);
                }
        } else {
-               edid = ERR_PTR(-ENOENT);
+               drm_edid = ERR_PTR(-ENOENT);
        }
-       intel_connector->edid = edid;
+       intel_connector->edid = drm_edid;
 
-       intel_bios_init_panel(dev_priv, &intel_connector->panel,
-                             encoder->devdata, IS_ERR(edid) ? NULL : edid);
+       intel_bios_init_panel(dev_priv, &intel_connector->panel, 
encoder->devdata,
+                             IS_ERR_OR_NULL(drm_edid) ? NULL : 
drm_edid_raw(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_hdmi.c 
b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 1ae09431f53a..db33a0ccd7ee 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2340,7 +2340,7 @@ intel_hdmi_unset_edid(struct drm_connector *connector)
        intel_hdmi->dp_dual_mode.type = DRM_DP_DUAL_MODE_NONE;
        intel_hdmi->dp_dual_mode.max_tmds_clock = 0;
 
-       kfree(to_intel_connector(connector)->detect_edid);
+       drm_edid_free(to_intel_connector(connector)->detect_edid);
        to_intel_connector(connector)->detect_edid = NULL;
 }
 
@@ -2407,7 +2407,8 @@ intel_hdmi_set_edid(struct drm_connector *connector)
        struct drm_i915_private *dev_priv = to_i915(connector->dev);
        struct intel_hdmi *intel_hdmi = 
intel_attached_hdmi(to_intel_connector(connector));
        intel_wakeref_t wakeref;
-       struct edid *edid;
+       const struct drm_edid *drm_edid;
+       const struct edid *edid;
        bool connected = false;
        struct i2c_adapter *i2c;
 
@@ -2415,21 +2416,24 @@ intel_hdmi_set_edid(struct drm_connector *connector)
 
        i2c = intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus);
 
-       edid = drm_get_edid(connector, i2c);
+       drm_edid = drm_edid_read_ddc(connector, i2c);
 
-       if (!edid && !intel_gmbus_is_forced_bit(i2c)) {
+       if (!drm_edid && !intel_gmbus_is_forced_bit(i2c)) {
                drm_dbg_kms(&dev_priv->drm,
                            "HDMI GMBUS EDID read failed, retry using GPIO 
bit-banging\n");
                intel_gmbus_force_bit(i2c, true);
-               edid = drm_get_edid(connector, i2c);
+               drm_edid = drm_edid_read_ddc(connector, i2c);
                intel_gmbus_force_bit(i2c, false);
        }
 
-       intel_hdmi_dp_dual_mode_detect(connector, edid != NULL);
+       intel_hdmi_dp_dual_mode_detect(connector, drm_edid != NULL);
 
        intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS, wakeref);
 
-       to_intel_connector(connector)->detect_edid = edid;
+       to_intel_connector(connector)->detect_edid = drm_edid;
+
+       /* FIXME: Get rid of drm_edid_raw() */
+       edid = drm_edid_raw(drm_edid);
        if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) {
                intel_hdmi->has_audio = drm_detect_monitor_audio(edid);
                intel_hdmi->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
@@ -2501,13 +2505,11 @@ intel_hdmi_force(struct drm_connector *connector)
 
 static int intel_hdmi_get_modes(struct drm_connector *connector)
 {
-       struct edid *edid;
+       const struct drm_edid *drm_edid;
 
-       edid = to_intel_connector(connector)->detect_edid;
-       if (edid == NULL)
-               return 0;
+       drm_edid = to_intel_connector(connector)->detect_edid;
 
-       return intel_connector_update_modes(connector, edid);
+       return drm_edid_connector_update(connector, drm_edid);
 }
 
 static struct i2c_adapter *
diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c 
b/drivers/gpu/drm/i915/display/intel_lvds.c
index 730480ac3300..98c07fd3bd3e 100644
--- a/drivers/gpu/drm/i915/display/intel_lvds.c
+++ b/drivers/gpu/drm/i915/display/intel_lvds.c
@@ -479,7 +479,7 @@ static int intel_lvds_get_modes(struct drm_connector 
*connector)
 
        /* use cached edid if we have one */
        if (!IS_ERR_OR_NULL(intel_connector->edid))
-               return drm_add_edid_modes(connector, intel_connector->edid);
+               return drm_edid_connector_update(connector, 
intel_connector->edid);
 
        return intel_panel_get_modes(intel_connector);
 }
@@ -829,7 +829,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
        struct intel_connector *intel_connector;
        struct drm_connector *connector;
        struct drm_encoder *encoder;
-       struct edid *edid;
+       const struct drm_edid *drm_edid;
        i915_reg_t lvds_reg;
        u32 lvds;
        u8 pin;
@@ -948,27 +948,32 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
         * preferred mode is the right one.
         */
        mutex_lock(&dev->mode_config.mutex);
-       if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC)
+       if (vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC) {
+               const struct edid *edid;
+
+               /* FIXME: Make drm_get_edid_switcheroo() return drm_edid */
                edid = drm_get_edid_switcheroo(connector,
-                                   intel_gmbus_get_adapter(dev_priv, pin));
-       else
-               edid = drm_get_edid(connector,
-                                   intel_gmbus_get_adapter(dev_priv, pin));
-       if (edid) {
-               if (drm_add_edid_modes(connector, edid)) {
-                       drm_connector_update_edid_property(connector,
-                                                               edid);
-               } else {
+                                              
intel_gmbus_get_adapter(dev_priv, pin));
+               if (edid) {
+                       drm_edid = drm_edid_alloc(edid, (edid->extensions + 1) 
* EDID_LENGTH);
                        kfree(edid);
-                       edid = ERR_PTR(-EINVAL);
                }
        } else {
-               edid = ERR_PTR(-ENOENT);
+               drm_edid = drm_edid_read_ddc(connector,
+                                            intel_gmbus_get_adapter(dev_priv, 
pin));
+       }
+       if (drm_edid) {
+               if (!drm_edid_connector_update(connector, drm_edid)) {
+                       drm_edid_free(drm_edid);
+                       drm_edid = ERR_PTR(-EINVAL);
+               }
+       } else {
+               drm_edid = ERR_PTR(-ENOENT);
        }
-       intel_connector->edid = edid;
+       intel_connector->edid = drm_edid;
 
        intel_bios_init_panel(dev_priv, &intel_connector->panel, NULL,
-                             IS_ERR(edid) ? NULL : edid);
+                             IS_ERR_OR_NULL(drm_edid) ? NULL : 
drm_edid_raw(drm_edid));
 
        /* Try EDID first */
        intel_panel_add_edid_fixed_modes(intel_connector,
-- 
2.30.2

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