Merge tag 'v5.19.13' into 5.19

This is the 5.19.13 stable release

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 19
-SUBLEVEL = 12
+SUBLEVEL = 13
 EXTRAVERSION =
 NAME = Superb Owl
 

drivers/gpu/drm/i915/display/g4x_dp.c

@@ -395,8 +395,26 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
 		intel_dotclock_calculate(pipe_config->port_clock,
 					 &pipe_config->dp_m_n);
 
-	if (intel_dp_is_edp(intel_dp))
-		intel_edp_fixup_vbt_bpp(encoder, pipe_config->pipe_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.
+		 *
+		 * Some machines in UEFI boot mode provide us a VBT that has 18
+		 * bpp and 1.62 GHz link bandwidth for eDP, which for reasons
+		 * unknown we fail to light up. Yet the same BIOS boots up with
+		 * 24 bpp and 2.7 GHz link. Use the same bpp as the BIOS uses as
+		 * max, not what it tells us to use.
+		 *
+		 * Note: This will still be broken if the eDP panel is not lit
+		 * up by the BIOS, and thus we can't get the mode at module
+		 * load.
+		 */
+		drm_dbg_kms(&dev_priv->drm,
+			    "pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n",
+			    pipe_config->pipe_bpp, dev_priv->vbt.edp.bpp);
+		dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp;
+	}
 }
 
 static void

drivers/gpu/drm/i915/display/icl_dsi.c

@@ -1864,8 +1864,7 @@ static void icl_dphy_param_init(struct intel_dsi *intel_dsi)
 {
 	struct drm_device *dev = intel_dsi->base.base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_connector *connector = intel_dsi->attached_connector;
-	struct mipi_config *mipi_config = connector->panel.vbt.dsi.config;
+	struct mipi_config *mipi_config = dev_priv->vbt.dsi.config;
 	u32 tlpx_ns;
 	u32 prepare_cnt, exit_zero_cnt, clk_zero_cnt, trail_cnt;
 	u32 ths_prepare_ns, tclk_trail_ns;
@@ -2052,8 +2051,6 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	/* attach connector to encoder */
 	intel_connector_attach_encoder(intel_connector, encoder);
 
-	intel_bios_init_panel(dev_priv, &intel_connector->panel);
-
 	mutex_lock(&dev->mode_config.mutex);
 	intel_panel_add_vbt_lfp_fixed_mode(intel_connector);
 	mutex_unlock(&dev->mode_config.mutex);
@@ -2067,20 +2064,13 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 
 	intel_backlight_setup(intel_connector, INVALID_PIPE);
 
-	if (intel_connector->panel.vbt.dsi.config->dual_link)
+	if (dev_priv->vbt.dsi.config->dual_link)
 		intel_dsi->ports = BIT(PORT_A) | BIT(PORT_B);
 	else
 		intel_dsi->ports = BIT(port);
 
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.bl_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.bl_ports &= intel_dsi->ports;
-
-	intel_dsi->dcs_backlight_ports = intel_connector->panel.vbt.dsi.bl_ports;
-
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.cabc_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.cabc_ports &= intel_dsi->ports;
-
-	intel_dsi->dcs_cabc_ports = intel_connector->panel.vbt.dsi.cabc_ports;
+	intel_dsi->dcs_backlight_ports = dev_priv->vbt.dsi.bl_ports;
+	intel_dsi->dcs_cabc_ports = dev_priv->vbt.dsi.cabc_ports;
 
 	for_each_dsi_port(port, intel_dsi->ports) {
 		struct intel_dsi_host *host;

drivers/gpu/drm/i915/display/intel_backlight.c

@@ -1158,10 +1158,9 @@ static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
 	return DIV_ROUND_CLOSEST(clock, pwm_freq_hz * mul);
 }
 
-static u16 get_vbt_pwm_freq(struct intel_connector *connector)
+static u16 get_vbt_pwm_freq(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
-	u16 pwm_freq_hz = connector->panel.vbt.backlight.pwm_freq_hz;
+	u16 pwm_freq_hz = dev_priv->vbt.backlight.pwm_freq_hz;
 
 	if (pwm_freq_hz) {
 		drm_dbg_kms(&dev_priv->drm,
@@ -1181,7 +1180,7 @@ static u32 get_backlight_max_vbt(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
 	struct intel_panel *panel = &connector->panel;
-	u16 pwm_freq_hz = get_vbt_pwm_freq(connector);
+	u16 pwm_freq_hz = get_vbt_pwm_freq(dev_priv);
 	u32 pwm;
 
 	if (!panel->backlight.pwm_funcs->hz_to_pwm) {
@@ -1218,11 +1217,11 @@ static u32 get_backlight_min_vbt(struct intel_connector *connector)
 	 * against this by letting the minimum be at most (arbitrarily chosen)
 	 * 25% of the max.
 	 */
-	min = clamp_t(int, connector->panel.vbt.backlight.min_brightness, 0, 64);
-	if (min != connector->panel.vbt.backlight.min_brightness) {
+	min = clamp_t(int, dev_priv->vbt.backlight.min_brightness, 0, 64);
+	if (min != dev_priv->vbt.backlight.min_brightness) {
 		drm_dbg_kms(&dev_priv->drm,
 			    "clamping VBT min backlight %d/255 to %d/255\n",
-			    connector->panel.vbt.backlight.min_brightness, min);
+			    dev_priv->vbt.backlight.min_brightness, min);
 	}
 
 	/* vbt value is a coefficient in range [0..255] */
@@ -1411,7 +1410,7 @@ bxt_setup_backlight(struct intel_connector *connector, enum pipe unused)
 	struct intel_panel *panel = &connector->panel;
 	u32 pwm_ctl, val;
 
-	panel->backlight.controller = connector->panel.vbt.backlight.controller;
+	panel->backlight.controller = dev_priv->vbt.backlight.controller;
 
 	pwm_ctl = intel_de_read(dev_priv,
 				BXT_BLC_PWM_CTL(panel->backlight.controller));
@@ -1484,7 +1483,7 @@ static int ext_pwm_setup_backlight(struct intel_connector *connector,
 	u32 level;
 
 	/* Get the right PWM chip for DSI backlight according to VBT */
-	if (connector->panel.vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) {
+	if (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) {
 		panel->backlight.pwm = pwm_get(dev->dev, "pwm_pmic_backlight");
 		desc = "PMIC";
 	} else {
@@ -1513,11 +1512,11 @@ static int ext_pwm_setup_backlight(struct intel_connector *connector,
 
 		drm_dbg_kms(&dev_priv->drm, "PWM already enabled at freq %ld, VBT freq %d, level %d\n",
 			    NSEC_PER_SEC / (unsigned long)panel->backlight.pwm_state.period,
-			    get_vbt_pwm_freq(connector), level);
+			    get_vbt_pwm_freq(dev_priv), level);
 	} else {
 		/* Set period from VBT frequency, leave other settings at 0. */
 		panel->backlight.pwm_state.period =
-			NSEC_PER_SEC / get_vbt_pwm_freq(connector);
+			NSEC_PER_SEC / get_vbt_pwm_freq(dev_priv);
 	}
 
 	drm_info(&dev_priv->drm, "Using %s PWM for LCD backlight control\n",
@@ -1602,7 +1601,7 @@ int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe)
 	struct intel_panel *panel = &connector->panel;
 	int ret;
 
-	if (!connector->panel.vbt.backlight.present) {
+	if (!dev_priv->vbt.backlight.present) {
 		if (dev_priv->quirks & QUIRK_BACKLIGHT_PRESENT) {
 			drm_dbg_kms(&dev_priv->drm,
 				    "no backlight present per VBT, but present per quirk\n");