drm/i915/dp: make is_edp non-static and rename to intel_dp_is_edp

Expose across driver for future work. No functional changes.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jim Bride <jim.bride@linux.intel.com>
Reviewed-by: Jim Bride <jim.bride@linux.intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170818093020.19160-2-jani.nikula@intel.com

2 files changed, 41 insertions, 37 deletions

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 29ed1deb9c84..e38565829d19 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -103,13 +103,13 @@ static const int cnl_rates[] = { 162000, 216000, 270000,
 static const int default_rates[] = { 162000, 270000, 540000 };
 
 /**
- * is_edp - is the given port attached to an eDP panel (either CPU or PCH)
+ * intel_dp_is_edp - is the given port attached to an eDP panel (either CPU or PCH)
  * @intel_dp: DP struct
  *
  * If a CPU or PCH DP output is attached to an eDP panel, this function
  * will return true, and false otherwise.
  */
-static bool is_edp(struct intel_dp *intel_dp)
+bool intel_dp_is_edp(struct intel_dp *intel_dp)
 {
 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
 
@@ -388,7 +388,7 @@ intel_dp_mode_valid(struct drm_connector *connector,
 
 	max_dotclk = intel_dp_downstream_max_dotclock(intel_dp);
 
-	if (is_edp(intel_dp) && fixed_mode) {
+	if (intel_dp_is_edp(intel_dp) && fixed_mode) {
 		if (mode->hdisplay > fixed_mode->hdisplay)
 			return MODE_PANEL;
 
@@ -597,7 +597,7 @@ vlv_power_sequencer_pipe(struct intel_dp *intel_dp)
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
 	/* We should never land here with regular DP ports */
-	WARN_ON(!is_edp(intel_dp));
+	WARN_ON(!intel_dp_is_edp(intel_dp));
 
 	WARN_ON(intel_dp->active_pipe != INVALID_PIPE &&
 		intel_dp->active_pipe != intel_dp->pps_pipe);
@@ -644,7 +644,7 @@ bxt_power_sequencer_idx(struct intel_dp *intel_dp)
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
 	/* We should never land here with regular DP ports */
-	WARN_ON(!is_edp(intel_dp));
+	WARN_ON(!intel_dp_is_edp(intel_dp));
 
 	/*
 	 * TODO: BXT has 2 PPS instances. The correct port->PPS instance
@@ -847,7 +847,7 @@ static int edp_notify_handler(struct notifier_block *this, unsigned long code,
 	struct drm_device *dev = intel_dp_to_dev(intel_dp);
 	struct drm_i915_private *dev_priv = to_i915(dev);
 
-	if (!is_edp(intel_dp) || code != SYS_RESTART)
+	if (!intel_dp_is_edp(intel_dp) || code != SYS_RESTART)
 		return 0;
 
 	pps_lock(intel_dp);
@@ -907,7 +907,7 @@ intel_dp_check_edp(struct intel_dp *intel_dp)
 	struct drm_device *dev = intel_dp_to_dev(intel_dp);
 	struct drm_i915_private *dev_priv = to_i915(dev);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	if (!edp_have_panel_power(intel_dp) && !edp_have_panel_vdd(intel_dp)) {
@@ -1681,7 +1681,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 	else
 		pipe_config->has_audio = intel_conn_state->force_audio == HDMI_AUDIO_ON;
 
-	if (is_edp(intel_dp) && intel_connector->panel.fixed_mode) {
+	if (intel_dp_is_edp(intel_dp) && intel_connector->panel.fixed_mode) {
 		struct drm_display_mode *panel_mode =
 			intel_connector->panel.alt_fixed_mode;
 		struct drm_display_mode *req_mode = &pipe_config->base.mode;
@@ -1736,7 +1736,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 	/* Walk through all bpp values. Luckily they're all nicely spaced with 2
 	 * bpc in between. */
 	bpp = intel_dp_compute_bpp(intel_dp, pipe_config);
-	if (is_edp(intel_dp)) {
+	if (intel_dp_is_edp(intel_dp)) {
 
 		/* Get bpp from vbt only for panels that dont have bpp in edid */
 		if (intel_connector->base.display_info.bpc == 0 &&
@@ -1829,7 +1829,7 @@ found:
 	 * DPLL0 VCO may need to be adjusted to get the correct
 	 * clock for eDP. This will affect cdclk as well.
 	 */
-	if (is_edp(intel_dp) && IS_GEN9_BC(dev_priv)) {
+	if (intel_dp_is_edp(intel_dp) && IS_GEN9_BC(dev_priv)) {
 		int vco;
 
 		switch (pipe_config->port_clock / 2) {
@@ -2069,7 +2069,7 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
 
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return false;
 
 	cancel_delayed_work(&intel_dp->panel_vdd_work);
@@ -2119,7 +2119,7 @@ void intel_edp_panel_vdd_on(struct intel_dp *intel_dp)
 {
 	bool vdd;
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	pps_lock(intel_dp);
@@ -2203,7 +2203,7 @@ static void edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
 
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	I915_STATE_WARN(!intel_dp->want_panel_vdd, "eDP port %c VDD not forced on",
@@ -2226,7 +2226,7 @@ static void edp_panel_on(struct intel_dp *intel_dp)
 
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	DRM_DEBUG_KMS("Turn eDP port %c panel power on\n",
@@ -2267,7 +2267,7 @@ static void edp_panel_on(struct intel_dp *intel_dp)
 
 void intel_edp_panel_on(struct intel_dp *intel_dp)
 {
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	pps_lock(intel_dp);
@@ -2285,7 +2285,7 @@ static void edp_panel_off(struct intel_dp *intel_dp)
 
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	DRM_DEBUG_KMS("Turn eDP port %c panel power off\n",
@@ -2316,7 +2316,7 @@ static void edp_panel_off(struct intel_dp *intel_dp)
 
 void intel_edp_panel_off(struct intel_dp *intel_dp)
 {
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	pps_lock(intel_dp);
@@ -2360,7 +2360,7 @@ void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(conn_state->best_encoder);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	DRM_DEBUG_KMS("\n");
@@ -2377,7 +2377,7 @@ static void _intel_edp_backlight_off(struct intel_dp *intel_dp)
 	u32 pp;
 	i915_reg_t pp_ctrl_reg;
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	pps_lock(intel_dp);
@@ -2401,7 +2401,7 @@ void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(old_conn_state->best_encoder);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	DRM_DEBUG_KMS("\n");
@@ -2666,7 +2666,7 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
 		intel_dotclock_calculate(pipe_config->port_clock,
 					 &pipe_config->dp_m_n);
 
-	if (is_edp(intel_dp) && dev_priv->vbt.edp.bpp &&
+	if (intel_dp_is_edp(intel_dp) && dev_priv->vbt.edp.bpp &&
 	    pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) {
 		/*
 		 * This is a big fat ugly hack.
@@ -3040,7 +3040,7 @@ static void vlv_init_panel_power_sequencer(struct intel_dp *intel_dp)
 
 	intel_dp->active_pipe = crtc->pipe;
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	/* now it's all ours */
@@ -3784,7 +3784,7 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
 		return false;
 
 	/* Don't clobber cached eDP rates. */
-	if (!is_edp(intel_dp)) {
+	if (!intel_dp_is_edp(intel_dp)) {
 		intel_dp_set_sink_rates(intel_dp);
 		intel_dp_set_common_rates(intel_dp);
 	}
@@ -3806,7 +3806,7 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
 	 * downstream port information. So, an early return here saves
 	 * time from performing other operations which are not required.
 	 */
-	if (!is_edp(intel_dp) && !intel_dp->sink_count)
+	if (!intel_dp_is_edp(intel_dp) && !intel_dp->sink_count)
 		return false;
 
 	if (!drm_dp_is_branch(intel_dp->dpcd))
@@ -4396,7 +4396,7 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp)
 	if (!intel_dp_get_dpcd(intel_dp))
 		return connector_status_disconnected;
 
-	if (is_edp(intel_dp))
+	if (intel_dp_is_edp(intel_dp))
 		return connector_status_connected;
 
 	/* if there's no downstream port, we're done */
@@ -4712,7 +4712,7 @@ intel_dp_long_pulse(struct intel_connector *intel_connector)
 	intel_display_power_get(to_i915(dev), intel_dp->aux_power_domain);
 
 	/* Can't disconnect eDP, but you can close the lid... */
-	if (is_edp(intel_dp))
+	if (intel_dp_is_edp(intel_dp))
 		status = edp_detect(intel_dp);
 	else if (intel_digital_port_connected(to_i915(dev),
 					      dp_to_dig_port(intel_dp)))
@@ -4792,7 +4792,7 @@ intel_dp_long_pulse(struct intel_connector *intel_connector)
 	intel_dp->aux.i2c_defer_count = 0;
 
 	intel_dp_set_edid(intel_dp);
-	if (is_edp(intel_dp) || intel_connector->detect_edid)
+	if (intel_dp_is_edp(intel_dp) || intel_connector->detect_edid)
 		status = connector_status_connected;
 	intel_dp->detect_done = true;
 
@@ -4876,7 +4876,7 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 	}
 
 	/* if eDP has no EDID, fall back to fixed mode */
-	if (is_edp(intel_attached_dp(connector)) &&
+	if (intel_dp_is_edp(intel_attached_dp(connector)) &&
 	    intel_connector->panel.fixed_mode) {
 		struct drm_display_mode *mode;
 
@@ -4927,8 +4927,10 @@ intel_dp_connector_destroy(struct drm_connector *connector)
 	if (!IS_ERR_OR_NULL(intel_connector->edid))
 		kfree(intel_connector->edid);
 
-	/* Can't call is_edp() since the encoder may have been destroyed
-	 * already. */
+	/*
+	 * Can't call intel_dp_is_edp() since the encoder may have been
+	 * destroyed already.
+	 */
 	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
 		intel_panel_fini(&intel_connector->panel);
 
@@ -4942,7 +4944,7 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder)
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 
 	intel_dp_mst_encoder_cleanup(intel_dig_port);
-	if (is_edp(intel_dp)) {
+	if (intel_dp_is_edp(intel_dp)) {
 		cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
 		/*
 		 * vdd might still be enabled do to the delayed vdd off.
@@ -4968,7 +4970,7 @@ void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return;
 
 	/*
@@ -5036,7 +5038,7 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
 		intel_dp->active_pipe = vlv_active_pipe(intel_dp);
 
-	if (is_edp(intel_dp)) {
+	if (intel_dp_is_edp(intel_dp)) {
 		/* Reinit the power sequencer, in case BIOS did something with it. */
 		intel_dp_pps_init(encoder->dev, intel_dp);
 		intel_edp_panel_vdd_sanitize(intel_dp);
@@ -5160,7 +5162,7 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 	intel_attach_force_audio_property(connector);
 	intel_attach_broadcast_rgb_property(connector);
 
-	if (is_edp(intel_dp)) {
+	if (intel_dp_is_edp(intel_dp)) {
 		u32 allowed_scalers;
 
 		allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) | BIT(DRM_MODE_SCALE_FULLSCREEN);
@@ -5826,7 +5828,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 	struct edid *edid;
 	enum pipe pipe = INVALID_PIPE;
 
-	if (!is_edp(intel_dp))
+	if (!intel_dp_is_edp(intel_dp))
 		return true;
 
 	/*
@@ -6060,7 +6062,8 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 
 	/* eDP only on port B and/or C on vlv/chv */
 	if (WARN_ON((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
-		    is_edp(intel_dp) && port != PORT_B && port != PORT_C))
+		    intel_dp_is_edp(intel_dp) &&
+		    port != PORT_B && port != PORT_C))
 		return false;
 
 	DRM_DEBUG_KMS("Adding %s connector on port %c\n",
@@ -6088,7 +6091,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 		intel_connector->get_hw_state = intel_connector_get_hw_state;
 
 	/* init MST on ports that can support it */
-	if (HAS_DP_MST(dev_priv) && !is_edp(intel_dp) &&
+	if (HAS_DP_MST(dev_priv) && !intel_dp_is_edp(intel_dp) &&
 	    (port == PORT_B || port == PORT_C || port == PORT_D))
 		intel_dp_mst_encoder_init(intel_dig_port,
 					  intel_connector->base.base.id);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 690e3b67dc1c..2940d393ecfd 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1499,6 +1499,7 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc);
 bool intel_dp_compute_config(struct intel_encoder *encoder,
 			     struct intel_crtc_state *pipe_config,
 			     struct drm_connector_state *conn_state);
+bool intel_dp_is_edp(struct intel_dp *intel_dp);
 bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
 enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port,
 				  bool long_hpd);