Merge tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "Highlights:
   - amdgpu support for lots of new IP blocks which means newer GPUs
   - xe has a lot of SR-IOV and SVM improvements
   - lots of intel display refactoring across i915/xe
   - msm has more support for gen8 platforms
   - Given up on kgdb/kms integration, it's too hard on modern hw

  core:
   - drop kgdb support
   - replace system workqueue with percpu
   - account for property blobs in memcg
   - MAINTAINERS updates for xe + buddy

  rust:
   - Fix documentation for Registration constructors
   - Use pin_init::zeroed() for fops initialization
   - Annotate DRM helpers with __rust_helper
   - Improve safety documentation for gem::Object::new()
   - Update AlwaysRefCounted imports
   - mm: Prevent integer overflow in page_align()

  atomic:
   - add drm_device pointer to drm_private_obj
   - introduce gamma/degamma LUT size check

  buddy:
   - fix free_trees memory leak
   - prevent BUG_ON

  bridge:
   - introduce drm_bridge_unplug/enter/exit
   - add connector argument to .hpd_notify
   - lots of recounting conversions
   - convert rockchip inno hdmi to bridge
   - lontium-lt9611uxc: switch to HDMI audio helpers
   - dw-hdmi-qp: add support for HPD-less setups
   - Algoltek AG6311 support

  panels:
   - edp: CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
   - st75751: add SPI support
   - Sitronix ST7920, Samsung LTL106HL02
   - LG LH546WF1-ED01, HannStar HSD156J
   - BOE NV130WUM-T08
   - Innolux G150XGE-L05
   - Anbernic RG-DS

  dma-buf:
   - improve sg_table debugging
   - add tracepoints
   - call clear_page instead of memset
   - start to introduce cgroup memory accounting in heaps
   - remove sysfs stats

  dma-fence:
   - add new helpers

  dp:
   - mst: avoid oob access with vcpi=0

  hdmi:
   - limit infoframes exposure to userspace

  gem:
   - reduce page table overhead with THP
   - fix leak in drm_gem_get_unmapped_area

  gpuvm:
   - API sanitation for rust bindings

  sched:
   - introduce new helpers

  panic:
   - report invalid panic modes
   - add kunit tests

  i915/xe display:
   - Expose sharpness only if num_scalers is >= 2
   - Add initial Xe3P_LPD for NVL
   - BMG FBC support
   - Add MTL+ platforms to support dpll framework
   _ fix DIMM_S DRM decoding on ICL
   - Return to using AUX interrupts
   - PSR/Panel replay refactoring
   - use consolidation HDMI tables
   - Xe3_LPD CD2X dividier changes

  xe:
   - vfio: add vfio_pci for intel GPU
   - multi queue support
   - dynamic pagemaps and multi-device SVM
   - expose temp attribs in hwmon
   - NO_COMPRESSION bo flag
   - expose MERT OA unit
   - sysfs survivability refactor
   - SRIOV PF: add MERT support
   - enable SR-IOV VF migration
   - Enable I2C/NVM on Crescent Island
   - Xe3p page reclaimation support
   - introduce SRIOV scheduler groups
   - add SoC remappt support in system controller
   - insert compiler barriers in GuC code
   - define NVL GuC firmware
   - handle GT resume failure
   - fix drm scheduler layering violations
   - enable GSC loading and PXP for PTL
   - disable GuC Power DCC strategy on PTL
   - unregister drm device on probe error

  i915:
   - move to kernel standard fault injection
   - bump recommended GuC version for DG2 and MTL

  amdgpu:
   - SMUIO 15.x, PSP 15.x support
   - IH 6.1.1/7.1 support
   - MMHUB 3.4/4.2 support
   - GC 11.5.4/12.1 support
   - SDMA 6.1.4/7.1/7.11.4 support
   - JPEG 5.3 support
   - UserQ updates
   - GC 9 gfx queue reset support
   - TTM memory ops parallelization
   - convert legacy logging to new helpers
   - DC analog fixes

  amdkfd:
   - GC 11.5.4/12.1 suppport
   - SDMA 6.1.4/7.1 support
   - per context support
   - increase kfd process hash table
   - Reserved SDMA rework

  radeon:
   - convert legacy logging to new helpers
   - use devm for i2c adapters

  msm:
   - GPU
      - Document a612/RGMU dt bindings
      - UBWC 6.0 support (for A840 / Kaanapali)
      - a225 support
   - DPU:
      - Switch to use virtual planes by default
      - Fix DSI CMD panels on DPU 3.x
      - Rewrite format handling to remove intermediate representation
      - Fix watchdog on DPU 8.x+
      - Fix TE / Vsync source setting on DPU 8.x+
      - Add 3D_Mux on SC7280
      - Kaanapali platform support
      - Fix UBWC register programming
      - Make RM reserve DSPP-enabled mixers for CRTCs with LMs
      - Gamma correction support
   - DP:
      - Enable support for eDP 1.4+ link rate tables
      - Fix MDSS1 DP indices on SA8775P, making them to work
      - Fix msm_dp_ctrl_config_msa() to work with LLVM 20
   - DSI:
      - Document QCS8300 as compatible with SA8775P
      - Kaanapali platform support
   - DSI PHY:
      - switch to divider_determine_rate()
   - MDP5:
      - Drop support for MSM8998, SDM660 and SDM630 (switch over to DPU)
   -  MDSS:
      - Kaanapali platform support
      - Fixed UBWC register programming

  nova-core:
   - Prepare for Turing support. This includes parsing and handling
     Turing-specific firmware headers and sections as well as a Turing
     Falcon HAL implementation
   - Get rid of the Result<impl PinInit<T, E>> anti-pattern
   - Relocate initializer-specific code into the appropriate initializer
   - Use CStr::from_bytes_until_nul() to remove custom helpers
   - Improve handling of unexpected firmware values
   - Clean up redundant debug prints
   - Replace c_str!() with native Rust C-string literals
   - Update nova-core task list

  nova:
   - Align GEM object size to system page size

  tyr:
   - Use generated uAPI bindings for GpuInfo
   - Replace manual sleeps with read_poll_timeout()
   - Replace c_str!() with native Rust C-string literals
   - Suppress warnings for unread fields
   - Fix incorrect register name in print statement

  nouveau:
   - fix big page table support races in PTE management
   - improve reclocking on tegra 186+

  amdxdna:
   - fix suspend race conditions
   - improve handling of zero tail pointers
   - fix cu_idx overwritten during command setup
   - enable hardware context priority
   - remove NPU2 support
   - update message buffer allocation requirements
   - update firmware version check

  ast:
   - support imported cursor buffers
   - big endian fixes

  etnaviv:
   - add PPU flop reset support

  imagination:
   - add AM62P support
   - introduce hw version checks

  ivpu:
   - implement warm boot flow

  panfrost:
   - add bo sync ioctl
   - add GPU_PM_RT support for RZ/G3E SoC

  panthor:
   - add bo sync ioctl
   - enable timestamp propagation
   - scheduler robustness improvements
   - VM termination fixes
   - huge page support

  rockchip:
   - RK3368 HDMI Support
   - get rid of atomic_check fixups
   - RK3506 support
   - RK3576/RK3588 improved HPD handling

  rz-du:
   - RZ/V2H(P) MIPI-DSI Support

  v3d:
   - fix DMA segment size
   - convert to new logging helpers

  mediatek:
   - move DP training to hotplug thread
   - convert logging to new helpers
   - add support for HS speed DSI
   - Genio 510/700/1200-EVK, Radxa NIO-12L HDMI support

  atmel-hlcdc:
   - switch to drmm resource
   - support nomodeset
   - use newer helpers

  hisilicon:
   - fix various DP bugs

  renesas:
   - fix kernel panic on reboot

  exynos:
   - fix vidi_connection_ioctl using wrong device
   - fix vidi_connection deref user ptr
   - fix concurrency regression with vidi_context

  vkms:
   - add configfs support for display configuration

* tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel: (1610 commits)
  drm/xe/pm: Disable D3Cold for BMG only on specific platforms
  drm/xe: Fix kerneldoc for xe_tlb_inval_job_alloc_dep
  drm/xe: Fix kerneldoc for xe_gt_tlb_inval_init_early
  drm/xe: Fix kerneldoc for xe_migrate_exec_queue
  drm/xe/query: Fix topology query pointer advance
  drm/xe/guc: Fix kernel-doc warning in GuC scheduler ABI header
  drm/xe/guc: Fix CFI violation in debugfs access.
  accel/amdxdna: Move RPM resume into job run function
  accel/amdxdna: Fix incorrect DPM level after suspend/resume
  nouveau/vmm: start tracking if the LPT PTE is valid. (v6)
  nouveau/vmm: increase size of vmm pte tracker struct to u32 (v2)
  nouveau/vmm: rewrite pte tracker using a struct and bitfields.
  accel/amdxdna: Fix incorrect error code returned for failed chain command
  accel/amdxdna: Remove hardware context status
  drm/bridge: imx8qxp-pixel-combiner: Fix bailout for imx8qxp_pc_bridge_probe()
  drm/panel: ilitek-ili9882t: Remove duplicate initializers in tianma_il79900a_dsc
  drm/i915/display: fix the pixel normalization handling for xe3p_lpd
  drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free
  drm/exynos: vidi: fix to avoid directly dereferencing user pointer
  drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()
  ...

1 files changed, 71 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index a9839485f2a2..b9ed29ec60dc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -95,7 +95,7 @@ static int parse_write_buffer_into_params(char *wr_buf, uint32_t wr_buf_size,
 		return -EFAULT;
 	}
 
-	/* check number of parameters. isspace could not differ space and \n */
+	/* check number of parameters. isspace could not differ space and\n */
 	while ((*wr_buf_ptr != 0xa) && (wr_buf_count < wr_buf_size)) {
 		/* skip space*/
 		while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) {
@@ -2710,6 +2710,65 @@ static int ips_status_show(struct seq_file *m, void *unused)
 }
 
 /*
+ * IPS residency information from DMUB service. Read only.
+ *
+ * For time-window (segment) measurement:
+ *	1) echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency_cntl
+ *	2) sleep <seconds>
+ *	3) echo 0 > /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency_cntl
+ *	4) cat /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency
+ */
+static int ips_residency_show(struct seq_file *m, void *unused)
+{
+	struct amdgpu_device *adev = m->private;
+	struct dc *dc = adev->dm.dc;
+	uint8_t panel_inst = 0;
+	enum ips_residency_mode mode;
+	struct dmub_ips_residency_info info;
+
+	mutex_lock(&adev->dm.dc_lock);
+
+	mode = IPS_RESIDENCY__IPS1_RCG;
+	if (!dc_dmub_srv_ips_query_residency_info(dc->ctx, panel_inst, &info, mode)) {
+		seq_printf(m, "ISP query failed\n");
+	} else {
+		unsigned int pct, frac;
+		pct = info.residency_millipercent / 1000;
+		frac = info.residency_millipercent % 1000;
+
+		seq_printf(m, "IPS residency: %u.%03u%% \n", pct, frac);
+		seq_printf(m, "    entry_counter: %u\n", info.entry_counter);
+		seq_printf(m, "    total_time_us: %llu\n",
+			(unsigned long long)info.total_time_us);
+		seq_printf(m, "    total_inactive_time_us: %llu\n",
+			(unsigned long long)info.total_inactive_time_us);
+	}
+	mutex_unlock(&adev->dm.dc_lock);
+	return 0;
+}
+
+static int ips_residency_cntl_get(void *data, u64 *val)
+{
+	*val = 0;
+	return 0;
+}
+
+static int ips_residency_cntl_set(void *data, u64 val)
+{
+	struct amdgpu_device *adev = data;
+	struct dc *dc = adev->dm.dc;
+	uint8_t panel_inst = 0;
+	int ret = 0;
+
+	mutex_lock(&adev->dm.dc_lock);
+	if (!dc_dmub_srv_ips_residency_cntl(dc->ctx, panel_inst, !!val))
+		ret = -EIO;
+	mutex_unlock(&adev->dm.dc_lock);
+
+	return ret;
+}
+
+/*
  * Backlight at this moment.  Read only.
  * As written to display, taking ABM and backlight lut into account.
  * Ranges from 0x0 to 0x10000 (= 100% PWM)
@@ -3370,9 +3429,12 @@ DEFINE_DEBUGFS_ATTRIBUTE(disallow_edp_enter_psr_fops,
 			disallow_edp_enter_psr_get,
 			disallow_edp_enter_psr_set, "%llu\n");
 
+DEFINE_DEBUGFS_ATTRIBUTE(ips_residency_cntl_fops, ips_residency_cntl_get,
+			   ips_residency_cntl_set, "%llu\n");
 DEFINE_SHOW_ATTRIBUTE(current_backlight);
 DEFINE_SHOW_ATTRIBUTE(target_backlight);
 DEFINE_SHOW_ATTRIBUTE(ips_status);
+DEFINE_SHOW_ATTRIBUTE(ips_residency);
 
 static const struct {
 	char *name;
@@ -4271,7 +4333,14 @@ void dtn_debugfs_init(struct amdgpu_device *adev)
 	debugfs_create_file_unsafe("amdgpu_dm_disable_hpd", 0644, root, adev,
 				   &disable_hpd_ops);
 
-	if (adev->dm.dc->caps.ips_support)
+	if (adev->dm.dc->caps.ips_support) {
 		debugfs_create_file_unsafe("amdgpu_dm_ips_status", 0644, root, adev,
 					   &ips_status_fops);
+
+		debugfs_create_file_unsafe("amdgpu_dm_ips_residency_cntl", 0644, root, adev,
+					   &ips_residency_cntl_fops);
+
+		debugfs_create_file_unsafe("amdgpu_dm_ips_residency", 0644, root, adev,
+					   &ips_residency_fops);
+	}
 }