Merge tag 'drm-intel-next-2021-05-19-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Core Changes:

- drm: Rename DP_PSR_SELECTIVE_UPDATE to better mach eDP spec (Jose).

Driver Changes:

- Display plane clock rates fixes and improvements (Ville).
- Uninint DMC FW loader state during shutdown (Imre).
- Convert snprintf to sysfs_emit (Xuezhi).
- Fix invalid access to ACPI _DSM objects (Takashi).
- A big refactor around how i915 addresses the graphics
  and display IP versions. (Matt, Lucas).
- Backlight fix (Lyude).
- Display watermark and DBUF fixes (Ville).
- HDCP fix (Anshuman).
- Improve cases where display is not available (Jose).
- Defeature PSR2 for RKL and ALD-S (Jose).
- VLV DSI panel power fixes and improvements (Hans).
- display-12 workaround (Jose).
- Fix modesetting (Imre).
- Drop redundant address-of op before lttpr_common_caps array (Imre).
- Fix compiler checks (Jose, Jason).
- GLK display fixes (Ville).
- Fix error code returns (Dan).
- eDP novel: back again to slow and wide link training everywhere (Kai-Heng).
- Abstract DMC FW path (Rodrigo).
- Preparation and changes for upcoming
  XeLPD display IP (Jose, Matt, Ville, Juha-Pekka, Animesh).
- Fix comment typo in DSI code (zuoqilin).
- Simplify CCS and UV plane alignment handling (Imre).
- PSR Fixes on TGL (Gwan-gyeong, Jose).
- Add intel_dp_hdcp.h and rename init (Jani).
- Move crtc and dpll declarations around (Jani).
- Fix pre-skl DP AUX precharge length (Ville).
- Remove stray newlines from random files (Ville).
- crtc->index and intel_crtc+drm_crtc pointer clean-up (Ville).
- Add frontbuffer tracking tracepoints (Ville).
- ADL-S PCI ID updates (Anand).
- Use unique backlight device names (Jani).
- A few clean-ups on i915/audio (Jani).
- Use intel_framebuffer instead of drm one on intel_fb functions (Imre).
- Add the missing MC CCS/XYUV8888 format support on display >= 12 (Imre).
- Nuke display error state (Ville).
- ADL-P initial enablement patches
  starting to land (Clint, Imre, Jose, Umesh, Vandita, Mika).
- Display clean-up around VBT and the strap bits (Lucas).
- Try YCbCr420 color when RGB fails (Werner).
- More PSR fixes and improvements (Jose).
- Other generic display code clean-up (Jose, Ville).
- Use correct downstream caps for check Src-Ctl mode for PCON (Ankit).
- Disable HiZ Raw Stall Optimization on broken gen7 (Simon).

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YKVioeu0JkUAlR7y@intel.com

1 files changed, 24 insertions, 21 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 71b8edafb1c3..e325463acddd 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -28,7 +28,7 @@ tc_cold_get_power_domain(struct intel_digital_port *dig_port)
 {
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
 
-	if (IS_DISPLAY_VER(i915, 11))
+	if (DISPLAY_VER(i915) == 11)
 		return intel_legacy_aux_to_power_domain(dig_port->aux_ch);
 	else
 		return POWER_DOMAIN_TC_COLD_OFF;
@@ -40,7 +40,7 @@ tc_cold_block(struct intel_digital_port *dig_port)
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
 	enum intel_display_power_domain domain;
 
-	if (IS_DISPLAY_VER(i915, 11) && !dig_port->tc_legacy_port)
+	if (DISPLAY_VER(i915) == 11 && !dig_port->tc_legacy_port)
 		return 0;
 
 	domain = tc_cold_get_power_domain(dig_port);
@@ -71,7 +71,7 @@ assert_tc_cold_blocked(struct intel_digital_port *dig_port)
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
 	bool enabled;
 
-	if (IS_DISPLAY_VER(i915, 11) && !dig_port->tc_legacy_port)
+	if (DISPLAY_VER(i915) == 11 && !dig_port->tc_legacy_port)
 		return;
 
 	enabled = intel_display_power_is_enabled(i915,
@@ -256,8 +256,8 @@ static bool icl_tc_phy_status_complete(struct intel_digital_port *dig_port)
 	return val & DP_PHY_MODE_STATUS_COMPLETED(dig_port->tc_phy_fia_idx);
 }
 
-static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port,
-				     bool enable)
+static bool icl_tc_phy_take_ownership(struct intel_digital_port *dig_port,
+				      bool take)
 {
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
 	struct intel_uncore *uncore = &i915->uncore;
@@ -267,20 +267,20 @@ static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port,
 				PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
 	if (val == 0xffffffff) {
 		drm_dbg_kms(&i915->drm,
-			    "Port %s: PHY in TCCOLD, can't set safe-mode to %s\n",
-			    dig_port->tc_port_name, enableddisabled(enable));
+			    "Port %s: PHY in TCCOLD, can't %s ownership\n",
+			    dig_port->tc_port_name, take ? "take" : "release");
 
 		return false;
 	}
 
 	val &= ~DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx);
-	if (!enable)
+	if (take)
 		val |= DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx);
 
 	intel_uncore_write(uncore,
 			   PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia), val);
 
-	if (enable && wait_for(!icl_tc_phy_status_complete(dig_port), 10))
+	if (!take && wait_for(!icl_tc_phy_status_complete(dig_port), 10))
 		drm_dbg_kms(&i915->drm,
 			    "Port %s: PHY complete clear timed out\n",
 			    dig_port->tc_port_name);
@@ -288,7 +288,7 @@ static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port,
 	return true;
 }
 
-static bool icl_tc_phy_is_in_safe_mode(struct intel_digital_port *dig_port)
+static bool icl_tc_phy_is_owned(struct intel_digital_port *dig_port)
 {
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
 	struct intel_uncore *uncore = &i915->uncore;
@@ -303,7 +303,7 @@ static bool icl_tc_phy_is_in_safe_mode(struct intel_digital_port *dig_port)
 		return true;
 	}
 
-	return !(val & DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx));
+	return val & DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx);
 }
 
 /*
@@ -329,7 +329,7 @@ static void icl_tc_phy_connect(struct intel_digital_port *dig_port,
 		goto out_set_tbt_alt_mode;
 	}
 
-	if (!icl_tc_phy_set_safe_mode(dig_port, false) &&
+	if (!icl_tc_phy_take_ownership(dig_port, true) &&
 	    !drm_WARN_ON(&i915->drm, dig_port->tc_legacy_port))
 		goto out_set_tbt_alt_mode;
 
@@ -348,7 +348,7 @@ static void icl_tc_phy_connect(struct intel_digital_port *dig_port,
 	if (!(tc_port_live_status_mask(dig_port) & BIT(TC_PORT_DP_ALT))) {
 		drm_dbg_kms(&i915->drm, "Port %s: PHY sudden disconnect\n",
 			    dig_port->tc_port_name);
-		goto out_set_safe_mode;
+		goto out_release_phy;
 	}
 
 	if (max_lanes < required_lanes) {
@@ -356,15 +356,15 @@ static void icl_tc_phy_connect(struct intel_digital_port *dig_port,
 			    "Port %s: PHY max lanes %d < required lanes %d\n",
 			    dig_port->tc_port_name,
 			    max_lanes, required_lanes);
-		goto out_set_safe_mode;
+		goto out_release_phy;
 	}
 
 	dig_port->tc_mode = TC_PORT_DP_ALT;
 
 	return;
 
-out_set_safe_mode:
-	icl_tc_phy_set_safe_mode(dig_port, true);
+out_release_phy:
+	icl_tc_phy_take_ownership(dig_port, false);
 out_set_tbt_alt_mode:
 	dig_port->tc_mode = TC_PORT_TBT_ALT;
 }
@@ -380,7 +380,7 @@ static void icl_tc_phy_disconnect(struct intel_digital_port *dig_port)
 		/* Nothing to do, we never disconnect from legacy mode */
 		break;
 	case TC_PORT_DP_ALT:
-		icl_tc_phy_set_safe_mode(dig_port, true);
+		icl_tc_phy_take_ownership(dig_port, false);
 		dig_port->tc_mode = TC_PORT_TBT_ALT;
 		break;
 	case TC_PORT_TBT_ALT:
@@ -401,8 +401,8 @@ static bool icl_tc_phy_is_connected(struct intel_digital_port *dig_port)
 		return dig_port->tc_mode == TC_PORT_TBT_ALT;
 	}
 
-	if (icl_tc_phy_is_in_safe_mode(dig_port)) {
-		drm_dbg_kms(&i915->drm, "Port %s: PHY still in safe mode\n",
+	if (!icl_tc_phy_is_owned(dig_port)) {
+		drm_dbg_kms(&i915->drm, "Port %s: PHY not owned\n",
 			    dig_port->tc_port_name);
 
 		return false;
@@ -417,10 +417,9 @@ intel_tc_port_get_current_mode(struct intel_digital_port *dig_port)
 {
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
 	u32 live_status_mask = tc_port_live_status_mask(dig_port);
-	bool in_safe_mode = icl_tc_phy_is_in_safe_mode(dig_port);
 	enum tc_port_mode mode;
 
-	if (in_safe_mode ||
+	if (!icl_tc_phy_is_owned(dig_port) ||
 	    drm_WARN_ON(&i915->drm, !icl_tc_phy_status_complete(dig_port)))
 		return TC_PORT_TBT_ALT;
 
@@ -625,6 +624,10 @@ tc_has_modular_fia(struct drm_i915_private *i915, struct intel_digital_port *dig
 	if (!INTEL_INFO(i915)->display.has_modular_fia)
 		return false;
 
+	/* TODO: check if in real HW MODULAR_FIA_MASK is set, if so remove this block */
+	if (IS_ALDERLAKE_P(i915))
+		return true;
+
 	wakeref = tc_cold_block(dig_port);
 	val = intel_uncore_read(&i915->uncore, PORT_TX_DFLEXDPSP(FIA1));
 	tc_cold_unblock(dig_port, wakeref);