Merge tag 'drm-intel-next-2025-11-04' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next

drm/i915 feature pull for v6.19:

Features and functionality:
- Enable LNL+ content adaptive sharpness filter (CASF) (Nemesa)
- Use optimized VRR guardband (Ankit, Ville)
- Enable Xe3p LT PHY (Suraj)
- Enable FBC support for Xe3p_LPD display (Sai Teja, Vinod)
- Specify DMC firmware for display version 30.02 (Dnyaneshwar)
- Report reason for disabling PSR to debugfs (Michał)
- Extend i915_display_info with Type-C port details (Khaled)
- Log DSI send packet sequence errors and contents

Refactoring and cleanups:
- Refactoring to prepare for VRR guardband optimization (Ankit)
- Abstract VRR live status wait (Ankit)
- Refactor VRR and DSB timing to handle Set Context Latency explicitly (Ankit)
- Helpers for prefill latency calculations (Ville)
- Refactor SKL+ watermark latency setup (Ville)
- VRR refactoring and cleanups (Ville)
- SKL+ universal plane cleanups (Ville)
- Decouple CDCLK from state->modeset refactor (Ville)
- Refactor VLV/CHV clock functions (Jani)
- Refactor fbdev handling (Jani)
- Call i915 and xe runtime PM from display via function pointers (Jouni)
- IRQ code refactoring  (Jani)
- Drop display dependency on i915 feature check macros (Jani)
- Refactor and unify i915 and xe stolen memory interfaces towards display (Jani)
- Switch to driver agnostic drm to display pointer chase (Jani)
- Use display version over graphics version in display code (Matt A)
- GVT cleanups (Jonathan, Andi)
- Rename a VLV clock function to unify (Michał)
- Explicitly sanitize DMC package header num entries (Luca)
- Remove redundant port clock check from ALPM (Jouni)
- Use sysfs_emit() instead of sprintf() in PMU sysfs (Madhur Kumar)
- Clean up C20 PHY PLL register macros (Imre, Mika))
- Abstract "address in MMIO table" helper for general use (Matt A)
- Improve VRR platform abstractions (Ville)
- Move towards more standard PCI PM code usage (Ville)
- Framebuffer refactoring (Ville)
- Drop display dependency on i915_utils.h (Jani)
- Include cleanups (Jani)

Fixes:
- Workaround docking station DSC issues with high pixel clock and bpp (Imre)
- Fix Panel Replay in DSC mode (Imre)
- Disable tracepoints for PREEMPT_RT as a workaround (Maarten)
- Fix intel_crtc_get_vblank_counter() on PREEMPT_RT (Maarten)
- Fix C10 PHY identification on PTL/WCL (Dnyaneshwar)
- Take AS SDP into account with optimized guardband (Jouni)
- Fix panic structure allocation memory leak (Jani)
- Adjust an FBC workaround platforms (Vinod)
- Add fallback for CDCLK selection (Naladala)
- Avoid using invalid transcoder in MST transport select (Suraj)
- Don't use cursor size reduction on display version 14+ (Nemesa)
- Fix C20 PHY PLL register programming (Imre, Mika)
- Fix PSR frontbuffer flush handling (Jouni)
- Store ALPM parameters in crtc state (Jouni)
- Defeature DRRS on LNL+ (Ville)
- Fix the scope of the large DRAM DIMM workaround (Ville)
- Fix PICA vs. AUX power ordering issue (Gustavo)
- Fix pixel rate for computing watermark line time (Ville)
- Fix framebuffer set_tiling vs. addfb race (Ville)
- DMC event handler fixes (Ville)

DRM Core:
- CRTC sharpness strength property (Nemesa)
- DPCD DSC quirk for Synaptics Panamera devices (Imre)
- Helpers to query the branch DSC max throughput/line-width (Imre)

Merges:
- Backmerge drm-next for v6.18-rc and to sync with drm-xe-next (Jani)

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

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/ec5a05f2df6d597a62033ee2d57225cce707b320@intel.com

6 files changed, 126 insertions, 1 deletions

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index cf318e3ddb5c..e4eebabab975 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -258,6 +258,8 @@
 # define DP_DSC_RC_BUF_BLK_SIZE_4           0x1
 # define DP_DSC_RC_BUF_BLK_SIZE_16          0x2
 # define DP_DSC_RC_BUF_BLK_SIZE_64          0x3
+# define DP_DSC_THROUGHPUT_MODE_0_DELTA_SHIFT 3 /* DP 2.1a, in units of 2 MPixels/sec */
+# define DP_DSC_THROUGHPUT_MODE_0_DELTA_MASK  (0x1f << DP_DSC_THROUGHPUT_MODE_0_DELTA_SHIFT)
 
 #define DP_DSC_RC_BUF_SIZE                  0x063
 
@@ -1686,6 +1688,7 @@ enum drm_dp_phy {
 #define DP_BRANCH_OUI_HEADER_SIZE	0xc
 #define DP_RECEIVER_CAP_SIZE		0xf
 #define DP_DSC_RECEIVER_CAP_SIZE        0x10 /* DSC Capabilities 0x60 through 0x6F */
+#define DP_DSC_BRANCH_CAP_SIZE		3
 #define EDP_PSR_RECEIVER_CAP_SIZE	2
 #define EDP_DISPLAY_CTL_CAP_SIZE	5
 #define DP_LTTPR_COMMON_CAP_SIZE	8
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 52ce28097015..df2f24b950e4 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -211,6 +211,11 @@ u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
 u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]);
 int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SIZE],
 					 u8 dsc_bpc[3]);
+int drm_dp_dsc_sink_max_slice_throughput(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
+					 int peak_pixel_rate, bool is_rgb_yuv444);
+int drm_dp_dsc_branch_max_overall_throughput(const u8 dsc_branch_dpcd[DP_DSC_BRANCH_CAP_SIZE],
+					     bool is_rgb_yuv444);
+int drm_dp_dsc_branch_max_line_width(const u8 dsc_branch_dpcd[DP_DSC_BRANCH_CAP_SIZE]);
 
 static inline bool
 drm_dp_sink_supports_dsc(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
@@ -828,6 +833,15 @@ enum drm_dp_quirk {
 	 * requires enabling DSC.
 	 */
 	DP_DPCD_QUIRK_HBLANK_EXPANSION_REQUIRES_DSC,
+	/**
+	 * @DP_DPCD_QUIRK_DSC_THROUGHPUT_BPP_LIMIT:
+	 *
+	 * The device doesn't support DSC decompression at the maximum DSC
+	 * pixel throughput and compressed bpp it indicates via its DPCD DSC
+	 * capabilities. The compressed bpp must be limited above a device
+	 * specific DSC pixel throughput.
+	 */
+	DP_DPCD_QUIRK_DSC_THROUGHPUT_BPP_LIMIT,
 };
 
 /**
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 2d2a0bd526cf..66278ffeebd6 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -318,6 +318,17 @@ struct drm_crtc_state {
 	enum drm_scaling_filter scaling_filter;
 
 	/**
+	 * @sharpness_strength:
+	 *
+	 * Used by the user to set the sharpness intensity.
+	 * The value ranges from 0-255.
+	 * Default value is 0 which disable the sharpness feature.
+	 * Any value greater than 0 enables sharpening with the
+	 * specified strength.
+	 */
+	u8 sharpness_strength;
+
+	/**
 	 * @event:
 	 *
 	 * Optional pointer to a DRM event to signal upon completion of the
@@ -1089,6 +1100,12 @@ struct drm_crtc {
 	struct drm_property *scaling_filter_property;
 
 	/**
+	 * @sharpness_strength_property: property to apply
+	 * the intensity of the sharpness requested.
+	 */
+	struct drm_property *sharpness_strength_property;
+
+	/**
 	 * @state:
 	 *
 	 * Current atomic state for this CRTC.
@@ -1324,4 +1341,5 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
 int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc,
 					    unsigned int supported_filters);
 bool drm_crtc_in_clone_mode(struct drm_crtc_state *crtc_state);
+int drm_crtc_create_sharpness_strength_property(struct drm_crtc *crtc);
 #endif /* __DRM_CRTC_H__ */
diff --git a/include/drm/intel/display_member.h b/include/drm/intel/display_member.h
new file mode 100644
index 000000000000..0319ea560b60
--- /dev/null
+++ b/include/drm/intel/display_member.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2025 Intel Corporation */
+
+#ifndef __DRM_INTEL_DISPLAY_H__
+#define __DRM_INTEL_DISPLAY_H__
+
+#include <linux/build_bug.h>
+#include <linux/stddef.h>
+#include <linux/stringify.h>
+
+#include <drm/drm_device.h>
+
+struct intel_display;
+
+/*
+ * A dummy device struct to define the relative offsets of drm and display
+ * members. With the members identically placed in struct drm_i915_private and
+ * struct xe_device, this allows figuring out the struct intel_display pointer
+ * without the definition of either driver specific structure.
+ */
+struct __intel_generic_device {
+	struct drm_device drm;
+	struct intel_display *display;
+};
+
+/**
+ * INTEL_DISPLAY_MEMBER_STATIC_ASSERT() - ensure correct placing of drm and display members
+ * @type: The struct to check
+ * @drm_member: Name of the struct drm_device member
+ * @display_member: Name of the struct intel_display * member.
+ *
+ * Use this static assert macro to ensure the struct drm_i915_private and struct
+ * xe_device struct drm_device and struct intel_display * members are at the
+ * same relative offsets.
+ */
+#define INTEL_DISPLAY_MEMBER_STATIC_ASSERT(type, drm_member, display_member) \
+	static_assert( \
+		offsetof(struct __intel_generic_device, display) - offsetof(struct __intel_generic_device, drm) == \
+		offsetof(type, display_member) - offsetof(type, drm_member), \
+		__stringify(type) " " __stringify(drm_member) " and " __stringify(display_member) " members at invalid offsets")
+
+#endif
diff --git a/include/drm/intel/display_parent_interface.h b/include/drm/intel/display_parent_interface.h
new file mode 100644
index 000000000000..26bedc360044
--- /dev/null
+++ b/include/drm/intel/display_parent_interface.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2025 Intel Corporation x*/
+
+#ifndef __DISPLAY_PARENT_INTERFACE_H__
+#define __DISPLAY_PARENT_INTERFACE_H__
+
+#include <linux/types.h>
+
+struct drm_device;
+struct ref_tracker;
+
+struct intel_display_rpm_interface {
+	struct ref_tracker *(*get)(const struct drm_device *drm);
+	struct ref_tracker *(*get_raw)(const struct drm_device *drm);
+	struct ref_tracker *(*get_if_in_use)(const struct drm_device *drm);
+	struct ref_tracker *(*get_noresume)(const struct drm_device *drm);
+
+	void (*put)(const struct drm_device *drm, struct ref_tracker *wakeref);
+	void (*put_raw)(const struct drm_device *drm, struct ref_tracker *wakeref);
+	void (*put_unchecked)(const struct drm_device *drm);
+
+	bool (*suspended)(const struct drm_device *drm);
+	void (*assert_held)(const struct drm_device *drm);
+	void (*assert_block)(const struct drm_device *drm);
+	void (*assert_unblock)(const struct drm_device *drm);
+};
+
+/**
+ * struct intel_display_parent_interface - services parent driver provides to display
+ *
+ * The parent, or core, driver provides a pointer to this structure to display
+ * driver when calling intel_display_device_probe(). The display driver uses it
+ * to access services provided by the parent driver. The structure may contain
+ * sub-struct pointers to group function pointers by functionality.
+ *
+ * All function and sub-struct pointers must be initialized and callable unless
+ * explicitly marked as "optional" below. The display driver will only NULL
+ * check the optional pointers.
+ */
+struct intel_display_parent_interface {
+	/** @rpm: Runtime PM functions */
+	const struct intel_display_rpm_interface *rpm;
+};
+
+#endif
diff --git a/include/drm/intel/pciids.h b/include/drm/intel/pciids.h
index 6e53fb4cdd37..b258e79b437a 100644
--- a/include/drm/intel/pciids.h
+++ b/include/drm/intel/pciids.h
@@ -880,7 +880,10 @@
 	MACRO__(0xB08F, ## __VA_ARGS__), \
 	MACRO__(0xB090, ## __VA_ARGS__), \
 	MACRO__(0xB0A0, ## __VA_ARGS__), \
-	MACRO__(0xB0B0, ## __VA_ARGS__), \
+	MACRO__(0xB0B0, ## __VA_ARGS__)
+
+/* WCL */
+#define INTEL_WCL_IDS(MACRO__, ...) \
 	MACRO__(0xFD80, ## __VA_ARGS__), \
 	MACRO__(0xFD81, ## __VA_ARGS__)