On Wed, Jun 08, 2022 at 10:50:40AM +0300, Jani Nikula wrote:
> Convert all the connectors that use cached connector edid and
> detect_edid to drm_edid.
>
> 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 | 74 ++++++++++---------
> drivers/gpu/drm/i915/display/intel_hdmi.c | 26 ++++---
> drivers/gpu/drm/i915/display/intel_lvds.c | 37 +++++-----
> 5 files changed, 79 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 9b44358e8d9e..dffbc7d59587 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -590,8 +590,8 @@ 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 e198c6d7e3b5..64b6481225f1 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -3534,12 +3534,11 @@ 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)
> @@ -4418,7 +4417,7 @@ 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;
> @@ -4429,18 +4428,22 @@ 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,
> @@ -4540,21 +4543,24 @@ 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);
> @@ -4569,7 +4575,7 @@ 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;
> @@ -4733,12 +4739,11 @@ 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)))
> @@ -4747,7 +4752,7 @@ 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;
>
> @@ -5154,7 +5159,7 @@ static bool intel_edp_init_connector(struct intel_dp
> *intel_dp,
> struct drm_display_mode *fixed_mode;
> 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;
> @@ -5187,29 +5192,32 @@ 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);
Didn't drm_edid_alloc() duplicate the whole edid?
Are we potentially leaking here now?
> 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,
> - IS_ERR(edid) ? NULL : edid);
> + 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 e55802b45461..d4389054bf59 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 +948,30 @@ 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 {
> - kfree(edid);
> - edid = ERR_PTR(-EINVAL);
> +
> intel_gmbus_get_adapter(dev_priv, pin));
> + if (edid)
> + drm_edid = drm_edid_alloc(edid, (edid->extensions + 1)
> * EDID_LENGTH);
> + } else {
> + 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 {
> - 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,
> - 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
--
Ville Syrjälä
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