Merge tag 'drm-intel-next-2025-01-07' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next

Driver Changes:
 - Some DG2 refactor to fix DG2 bugs when operating with certain CPUs (Raag)
 - Use hw support for min/interim ddb allocation for async flip (Vinod)
 - More general code refactor to allow full display separation (Jani)
 - Expose dsc sink max slice count via debugfs (Swati)
 - Fix C10 pll programming sequence (Suraj)
 - Fix DG1 power gate sequence (Rodrigo)
 - Use preemption timeout on selftest cleanup (Janusz)
 - DP DSC related fixes (Ankit)
 - Fix HDCP compliance test (Suraj)
 - Clean and Optimise mtl_ddi_prepare_link_retrain (Suraj)
 - Adjust Added Wake Time with PKG_C_LATENCY (Animesh)
 - Enabling uncompressed 128b/132b UHBR SST (Jani)
 - Handle hdmi connector init failures, and no HDMI/DP cases (Jani)

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

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z31_WPbBoHkwgEA9@intel.com

Author: airlied

drivers/gpu/drm/display/drm_dp_mst_topology.c

@@ -3572,8 +3572,7 @@ static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr,
 }
 
 /**
- * drm_dp_get_vc_payload_bw - get the VC payload BW for an MST link
- * @mgr: The &drm_dp_mst_topology_mgr to use
+ * drm_dp_get_vc_payload_bw - get the VC payload BW for an MTP link
  * @link_rate: link rate in 10kbits/s units
  * @link_lane_count: lane count
  *
@@ -3584,17 +3583,12 @@ static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr,
  *
  * Returns the BW / timeslot value in 20.12 fixed point format.
  */
-fixed20_12 drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr,
-				    int link_rate, int link_lane_count)
+fixed20_12 drm_dp_get_vc_payload_bw(int link_rate, int link_lane_count)
 {
 	int ch_coding_efficiency =
 		drm_dp_bw_channel_coding_efficiency(drm_dp_is_uhbr_rate(link_rate));
 	fixed20_12 ret;
 
-	if (link_rate == 0 || link_lane_count == 0)
-		drm_dbg_kms(mgr->dev, "invalid link rate/lane count: (%d / %d)\n",
-			    link_rate, link_lane_count);
-
 	/* See DP v2.0 2.6.4.2, 2.7.6.3 VCPayload_Bandwidth_for_OneTimeSlotPer_MTP_Allocation */
 	ret.full = DIV_ROUND_DOWN_ULL(mul_u32_u32(link_rate * link_lane_count,
 						  ch_coding_efficiency),

drivers/gpu/drm/i915/Makefile

@@ -34,6 +34,7 @@ i915-y += \
 	i915_sysfs.o \
 	i915_utils.o \
 	intel_clock_gating.o \
+	intel_cpu_info.o \
 	intel_device_info.o \
 	intel_memory_region.o \
 	intel_pcode.o \
@@ -42,6 +43,7 @@ i915-y += \
 	intel_sbi.o \
 	intel_step.o \
 	intel_uncore.o \
+	intel_uncore_trace.o \
 	intel_wakeref.o \
 	vlv_sideband.o \
 	vlv_suspend.o
@@ -236,6 +238,7 @@ i915-y += \
 	display/intel_crtc_state_dump.o \
 	display/intel_cursor.o \
 	display/intel_display.o \
+	display/intel_display_conversion.o \
 	display/intel_display_driver.o \
 	display/intel_display_irq.o \
 	display/intel_display_params.o \

drivers/gpu/drm/i915/display/dvo_ns2501.c

@@ -26,7 +26,6 @@
  *
  */
 
-#include "i915_drv.h"
 #include "intel_display_types.h"
 #include "intel_dvo_dev.h"
 

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

@@ -8,6 +8,7 @@
 #include <linux/string_helpers.h>
 
 #include "g4x_dp.h"
+#include "i915_drv.h"
 #include "i915_reg.h"
 #include "intel_audio.h"
 #include "intel_backlight.h"

drivers/gpu/drm/i915/display/g4x_hdmi.c

@@ -6,6 +6,7 @@
  */
 
 #include "g4x_hdmi.h"
+#include "i915_drv.h"
 #include "i915_reg.h"
 #include "intel_atomic.h"
 #include "intel_audio.h"
@@ -682,7 +683,7 @@ static bool assert_hdmi_port_valid(struct drm_i915_private *i915, enum port port
 			 "Platform does not support HDMI %c\n", port_name(port));
 }
 
-void g4x_hdmi_init(struct drm_i915_private *dev_priv,
+bool g4x_hdmi_init(struct drm_i915_private *dev_priv,
 		   i915_reg_t hdmi_reg, enum port port)
 {
 	struct intel_display *display = &dev_priv->display;
@@ -692,10 +693,10 @@ void g4x_hdmi_init(struct drm_i915_private *dev_priv,
 	struct intel_connector *intel_connector;
 
 	if (!assert_port_valid(dev_priv, port))
-		return;
+		return false;
 
 	if (!assert_hdmi_port_valid(dev_priv, port))
-		return;
+		return false;
 
 	devdata = intel_bios_encoder_data_lookup(display, port);
 
@@ -706,25 +707,24 @@ void g4x_hdmi_init(struct drm_i915_private *dev_priv,
 
 	dig_port = kzalloc(sizeof(*dig_port), GFP_KERNEL);
 	if (!dig_port)
-		return;
+		return false;
 
 	dig_port->aux_ch = AUX_CH_NONE;
 
 	intel_connector = intel_connector_alloc();
-	if (!intel_connector) {
-		kfree(dig_port);
-		return;
-	}
+	if (!intel_connector)
+		goto err_connector_alloc;
 
 	intel_encoder = &dig_port->base;
 
 	intel_encoder->devdata = devdata;
 
 	mutex_init(&dig_port->hdcp_mutex);
 
-	drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
-			 &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS,
-			 "HDMI %c", port_name(port));
+	if (drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
+			     &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS,
+			     "HDMI %c", port_name(port)))
+		goto err_encoder_init;
 
 	intel_encoder->hotplug = intel_hdmi_hotplug;
 	intel_encoder->compute_config = g4x_hdmi_compute_config;
@@ -787,5 +787,17 @@ void g4x_hdmi_init(struct drm_i915_private *dev_priv,
 
 	intel_infoframe_init(dig_port);
 
-	intel_hdmi_init_connector(dig_port, intel_connector);
+	if (!intel_hdmi_init_connector(dig_port, intel_connector))
+		goto err_init_connector;
+
+	return true;
+
+err_init_connector:
+	drm_encoder_cleanup(&intel_encoder->base);
+err_encoder_init:
+	kfree(intel_connector);
+err_connector_alloc:
+	kfree(dig_port);
+
+	return false;
 }

drivers/gpu/drm/i915/display/g4x_hdmi.h

@@ -16,14 +16,15 @@ struct drm_connector;
 struct drm_i915_private;
 
 #ifdef I915
-void g4x_hdmi_init(struct drm_i915_private *dev_priv,
+bool g4x_hdmi_init(struct drm_i915_private *dev_priv,
 		   i915_reg_t hdmi_reg, enum port port);
 int g4x_hdmi_connector_atomic_check(struct drm_connector *connector,
 				    struct drm_atomic_state *state);
 #else
-static inline void g4x_hdmi_init(struct drm_i915_private *dev_priv,
+static inline bool g4x_hdmi_init(struct drm_i915_private *dev_priv,
 				 i915_reg_t hdmi_reg, int port)
 {
+	return false;
 }
 static inline int g4x_hdmi_connector_atomic_check(struct drm_connector *connector,
 						  struct drm_atomic_state *state)

drivers/gpu/drm/i915/display/i9xx_display_sr.c

@@ -3,9 +3,11 @@
  * Copyright © 2024 Intel Corporation
  */
 
-#include "i915_drv.h"
+#include <drm/drm_device.h>
+
 #include "i915_reg.h"
 #include "i9xx_display_sr.h"
+#include "i9xx_wm_regs.h"
 #include "intel_de.h"
 #include "intel_gmbus.h"
 #include "intel_pci_config.h"

drivers/gpu/drm/i915/display/i9xx_plane.c

@@ -8,6 +8,7 @@
 #include <drm/drm_blend.h>
 #include <drm/drm_fourcc.h>
 
+#include "i915_drv.h"
 #include "i915_reg.h"
 #include "i9xx_plane.h"
 #include "i9xx_plane_regs.h"

drivers/gpu/drm/i915/display/i9xx_wm.c

@@ -6,6 +6,7 @@
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "i9xx_wm.h"
+#include "i9xx_wm_regs.h"
 #include "intel_atomic.h"
 #include "intel_bo.h"
 #include "intel_display.h"