Merge tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "Highlights are usual, more AMD IP blocks for future hw, i915/xe
  changes, Displayport tunnelling support for i915, msm YUV over DP
  changes, new tests for ttm, but its mostly a lot of stuff all over the
  place from lots of people.

  core:
   - EDID cleanups
   - scheduler error handling fixes
   - managed: add drmm_release_action() with tests
   - add ratelimited drm debug print
   - DPCD PSR early transport macro
   - DP tunneling and bandwidth allocation helpers
   - remove built-in edids
   - dp: Avoid AUX transfers on powered-down displays
   - dp: Add VSC SDP helpers

  cross drivers:
   - use new drm print helpers
   - switch to ->read_edid callback
   - gem: add stats for shared buffers plus updates to amdgpu, i915, xe

  syncobj:
   - fixes to waiting and sleeping

  ttm:
   - add tests
   - fix errno codes
   - simply busy-placement handling
   - fix page decryption

  media:
   - tc358743: fix v4l device registration

  video:
   - move all kernel parameters for video behind CONFIG_VIDEO

  sound:
   - remove <drm/drm_edid.h> include from header

  ci:
   - add tests for msm
   - fix apq8016 runner

  efifb:
   - use copy of global screen_info state

  vesafb:
   - use copy of global screen_info state

  simplefb:
   - fix logging

  bridge:
   - ite-6505: fix DP link-training bug
   - samsung-dsim: fix error checking in probe
   - samsung-dsim: add bsh-smm-s2/pro boards
   - tc358767: fix regmap usage
   - imx: add i.MX8MP HDMI PVI plus DT bindings
   - imx: add i.MX8MP HDMI TX plus DT bindings
   - sii902x: fix probing and unregistration
   - tc358767: limit pixel PLL input range
   - switch to new drm_bridge_read_edid() interface

  panel:
   - ltk050h3146w: error-handling fixes
   - panel-edp: support delay between power-on and enable; use put_sync
     in unprepare; support Mediatek MT8173 Chromebooks, BOE NV116WHM-N49
     V8.0, BOE NV122WUM-N41, CSO MNC207QS1-1 plus DT bindings
   - panel-lvds: support EDT ETML0700Z9NDHA plus DT bindings
   - panel-novatek: FRIDA FRD400B25025-A-CTK plus DT bindings
   - add BOE TH101MB31IG002-28A plus DT bindings
   - add EDT ETML1010G3DRA plus DT bindings
   - add Novatek NT36672E LCD DSI plus DT bindings
   - nt36523: support 120Hz timings, fix includes
   - simple: fix display timings on RK32FN48H
   - visionox-vtdr6130: fix initialization
   - add Powkiddy RGB10MAX3 plus DT bindings
   - st7703: support panel rotation plus DT bindings
   - add Himax HX83112A plus DT bindings
   - ltk500hd1829: add support for ltk101b4029w and admatec 9904370
   - simple: add BOE BP082WX1-100 8.2" panel plus DT bindungs

  panel-orientation-quirks:
   - GPD Win Mini

  amdgpu:
   - Validate DMABuf imports in compute VMs
   - Add RAS ACA framework
   - PSP 13 fixes
   - Misc code cleanups
   - Replay fixes
   - Atom interpretor PS, WS bounds checking
   - DML2 fixes
   - Audio fixes
   - DCN 3.5 Z state fixes
   - Remove deprecated ida_simple usage
   - UBSAN fixes
   - RAS fixes
   - Enable seq64 infrastructure
   - DC color block enablement
   - Documentation updates
   - DC documentation updates
   - DMCUB updates
   - ATHUB 4.1 support
   - LSDMA 7.0 support
   - JPEG DPG support
   - IH 7.0 support
   - HDP 7.0 support
   - VCN 5.0 support
   - SMU 13.0.6 updates
   - NBIO 7.11 updates
   - SDMA 6.1 updates
   - MMHUB 3.3 updates
   - DCN 3.5.1 support
   - NBIF 6.3.1 support
   - VPE 6.1.1 support

  amdkfd:
   - Validate DMABuf imports in compute VMs
   - SVM fixes
   - Trap handler updates and enhancements
   - Fix cache size reporting
   - Relocate the trap handler

  radeon:
   - Atom interpretor PS, WS bounds checking
   - Misc code cleanups

  xe:
   - new query for GuC submission version
   - Remove unused persistent exec_queues
   - Add vram frequency sysfs attributes
   - Add the flag XE_VM_BIND_FLAG_DUMPABLE
   - Drop pre-production workarounds
   - Drop kunit tests for unsupported platforms
   - Start pumbling SR-IOV support with memory based interrupts for VF
   - Allow to map BO in GGTT with PAT index corresponding to XE_CACHE_UC
     to work with memory based interrupts
   - Add GuC Doorbells Manager as prep work SR-IOV
   - Implement additional workarounds for xe2 and MTL
   - Program a few registers according to perfomance guide spec for Xe2
   - Fix remaining 32b build issues and enable it back
   - Fix build with CONFIG_DEBUG_FS=n
   - Fix warnings from GuC ABI headers
   - Introduce Relay Communication for SR-IOV for VF <-> GuC <-> PF
   - Release mmap mappings on rpm suspend
   - Disable mid-thread preemption when not properly supported by
     hardware
   - Fix xe_exec by reserving extra fence slot for CPU bind
   - Fix xe_exec with full long running exec queue
   - Canonicalize addresses where needed for Xe2 and add to devcoredum
   - Toggle USM support for Xe2
   - Only allow 1 ufence per exec / bind IOCTL
   - Add GuC firmware loading for Lunar Lake
   - Add XE_VMA_PTE_64K VMA flag

  i915:
   - Add more ADL-N PCI IDs
   - Enable fastboot also on older platforms
   - Early transport for panel replay and PSR
   - New ARL PCI IDs
   - DP TPS4 PHY test pattern support
   - Unify and improve VSC SDP for PSR and non-PSR cases
   - Refactor memory regions and improve debug logging
   - Rework global state serialization
   - Remove unused CDCLK divider fields
   - Unify HDCP connector logging format
   - Use display instead of graphics version in display code
   - Move VBT and opregion debugfs next to the implementation
   - Abstract opregion interface, use opaque type
   - MTL fixes
   - HPD handling fixes
   - Add GuC submission interface version query
   - Atomically invalidate userptr on mmu-notifier
   - Update handling of MMIO triggered reports
   - Don't make assumptions about intel_wakeref_t type
   - Extend driver code of Xe_LPG to Xe_LPG+
   - Add flex arrays to struct i915_syncmap
   - Allow for very slow HuC loading
   - DP tunneling and bandwidth allocation support

  msm:
   - Correct bindings for MSM8976 and SM8650 platforms
   - Start migration of MDP5 platforms to DPU driver
   - X1E80100 MDSS support
   - DPU:
      - Improve DSC allocation, fixing several important corner cases
      - Add support for SDM630/SDM660 platforms
      - Simplify dpu_encoder_phys_ops
      - Apply fixes targeting DSC support with a single DSC encoder
      - Apply fixes for HCTL_EN timing configuration
      - X1E80100 support
      - Add support for YUV420 over DP
   - GPU:
      - fix sc7180 UBWC config
      - fix a7xx LLC config
      - new gpu support: a305B, a750, a702
      - machine support: SM7150 (different power levels than other a618)
      - a7xx devcoredump support

  habanalabs:
   - configure IRQ affinity according to NUMA node
   - move HBM MMU page tables inside the HBM
   - improve device reset
   - check extended PCIe errors

  ivpu:
   - updates to firmware API
   - refactor BO allocation

  imx:
   - use devm_ functions during init

  hisilicon:
   - fix EDID includes

  mgag200:
   - improve ioremap usage
   - convert to struct drm_edid
   - Work around PCI write bursts

  nouveau:
   - disp: use kmemdup()
   - fix EDID includes
   - documentation fixes

  qaic:
   - fixes to BO handling
   - make use of DRM managed release
   - fix order of remove operations

  rockchip:
   - analogix_dp: get encoder port from DT
   - inno_hdmi: support HDMI for RK3128
   - lvds: error-handling fixes

  ssd130x:
   - support SSD133x plus DT bindings

  tegra:
   - fix error handling

  tilcdc:
   - make use of DRM managed release

  v3d:
   - show memory stats in debugfs
   - Support display MMU page size

  vc4:
   - fix error handling in plane prepare_fb
   - fix framebuffer test in plane helpers

  virtio:
   - add venus capset defines

  vkms:
   - fix OOB access when programming the LUT
   - Kconfig improvements

  vmwgfx:
   - unmap surface before changing plane state
   - fix memory leak in error handling
   - documentation fixes
   - list command SVGA_3D_CMD_DEFINE_GB_SURFACE_V4 as invalid
   - fix null-pointer deref in execbuf
   - refactor display-mode probing
   - fix fencing for creating cursor MOBs
   - fix cursor-memory lifetime

  xlnx:
   - fix live video input for ZynqMP DPSUB

  lima:
   - fix memory leak

  loongson:
   - fail if no VRAM present

  meson:
   - switch to new drm_bridge_read_edid() interface

  renesas:
   - add RZ/G2L DU support plus DT bindings

  mxsfb:
   - Use managed mode config

  sun4i:
   - HDMI: updates to atomic mode setting

  mediatek:
   - Add display driver for MT8188 VDOSYS1
   - DSI driver cleanups
   - Filter modes according to hardware capability
   - Fix a null pointer crash in mtk_drm_crtc_finish_page_flip

  etnaviv:
   - enhancements for NPU and MRT support"

* tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel: (1420 commits)
  drm/amd/display: Removed redundant @ symbol to fix kernel-doc warnings in -next repo
  drm/amd/pm: wait for completion of the EnableGfxImu message
  drm/amdgpu/soc21: add mode2 asic reset for SMU IP v14.0.1
  drm/amdgpu: add smu 14.0.1 support
  drm/amdgpu: add VPE 6.1.1 discovery support
  drm/amdgpu/vpe: add VPE 6.1.1 support
  drm/amdgpu/vpe: don't emit cond exec command under collaborate mode
  drm/amdgpu/vpe: add collaborate mode support for VPE
  drm/amdgpu/vpe: add PRED_EXE and COLLAB_SYNC OPCODE
  drm/amdgpu/vpe: add multi instance VPE support
  drm/amdgpu/discovery: add nbif v6_3_1 ip block
  drm/amdgpu: Add nbif v6_3_1 ip block support
  drm/amdgpu: Add pcie v6_1_0 ip headers (v5)
  drm/amdgpu: Add nbif v6_3_1 ip headers (v5)
  arch/powerpc: Remove <linux/fb.h> from backlight code
  macintosh/via-pmu-backlight: Include <linux/backlight.h>
  fbdev/chipsfb: Include <linux/backlight.h>
  drm/etnaviv: Restore some id values
  drm/amdkfd: make kfd_class constant
  drm/amdgpu: add ring timeout information in devcoredump
  ...

1 files changed, 146 insertions, 19 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
index 0c0700c6ec66..d9ec349f3c8c 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
@@ -177,6 +177,46 @@ static bool intel_hpd_irq_storm_detect(struct drm_i915_private *dev_priv,
 	return storm;
 }
 
+static bool detection_work_enabled(struct drm_i915_private *i915)
+{
+	lockdep_assert_held(&i915->irq_lock);
+
+	return i915->display.hotplug.detection_work_enabled;
+}
+
+static bool
+mod_delayed_detection_work(struct drm_i915_private *i915, struct delayed_work *work, int delay)
+{
+	lockdep_assert_held(&i915->irq_lock);
+
+	if (!detection_work_enabled(i915))
+		return false;
+
+	return mod_delayed_work(i915->unordered_wq, work, delay);
+}
+
+static bool
+queue_delayed_detection_work(struct drm_i915_private *i915, struct delayed_work *work, int delay)
+{
+	lockdep_assert_held(&i915->irq_lock);
+
+	if (!detection_work_enabled(i915))
+		return false;
+
+	return queue_delayed_work(i915->unordered_wq, work, delay);
+}
+
+static bool
+queue_detection_work(struct drm_i915_private *i915, struct work_struct *work)
+{
+	lockdep_assert_held(&i915->irq_lock);
+
+	if (!detection_work_enabled(i915))
+		return false;
+
+	return queue_work(i915->unordered_wq, work);
+}
+
 static void
 intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv)
 {
@@ -213,9 +253,9 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv)
 	/* Enable polling and queue hotplug re-enabling. */
 	if (hpd_disabled) {
 		drm_kms_helper_poll_reschedule(&dev_priv->drm);
-		mod_delayed_work(dev_priv->unordered_wq,
-				 &dev_priv->display.hotplug.reenable_work,
-				 msecs_to_jiffies(HPD_STORM_REENABLE_DELAY));
+		mod_delayed_detection_work(dev_priv,
+					   &dev_priv->display.hotplug.reenable_work,
+					   msecs_to_jiffies(HPD_STORM_REENABLE_DELAY));
 	}
 }
 
@@ -348,9 +388,9 @@ static void i915_digport_work_func(struct work_struct *work)
 	if (old_bits) {
 		spin_lock_irq(&dev_priv->irq_lock);
 		dev_priv->display.hotplug.event_bits |= old_bits;
+		queue_delayed_detection_work(dev_priv,
+					     &dev_priv->display.hotplug.hotplug_work, 0);
 		spin_unlock_irq(&dev_priv->irq_lock);
-		queue_delayed_work(dev_priv->unordered_wq,
-				   &dev_priv->display.hotplug.hotplug_work, 0);
 	}
 }
 
@@ -467,11 +507,11 @@ static void i915_hotplug_work_func(struct work_struct *work)
 	if (retry) {
 		spin_lock_irq(&dev_priv->irq_lock);
 		dev_priv->display.hotplug.retry_bits |= retry;
-		spin_unlock_irq(&dev_priv->irq_lock);
 
-		mod_delayed_work(dev_priv->unordered_wq,
-				 &dev_priv->display.hotplug.hotplug_work,
-				 msecs_to_jiffies(HPD_RETRY_DELAY));
+		mod_delayed_detection_work(dev_priv,
+					   &dev_priv->display.hotplug.hotplug_work,
+					   msecs_to_jiffies(HPD_RETRY_DELAY));
+		spin_unlock_irq(&dev_priv->irq_lock);
 	}
 }
 
@@ -590,7 +630,6 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
 	 */
 	if (storm_detected)
 		intel_hpd_irq_setup(dev_priv);
-	spin_unlock(&dev_priv->irq_lock);
 
 	/*
 	 * Our hotplug handler can grab modeset locks (by calling down into the
@@ -601,8 +640,10 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
 	if (queue_dig)
 		queue_work(dev_priv->display.hotplug.dp_wq, &dev_priv->display.hotplug.dig_port_work);
 	if (queue_hp)
-		queue_delayed_work(dev_priv->unordered_wq,
-				   &dev_priv->display.hotplug.hotplug_work, 0);
+		queue_delayed_detection_work(dev_priv,
+					     &dev_priv->display.hotplug.hotplug_work, 0);
+
+	spin_unlock(&dev_priv->irq_lock);
 }
 
 /**
@@ -710,6 +751,8 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
 		cancel_work(&dev_priv->display.hotplug.poll_init_work);
 	}
 
+	spin_lock_irq(&dev_priv->irq_lock);
+
 	drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
 	for_each_intel_connector_iter(connector, &conn_iter) {
 		enum hpd_pin pin;
@@ -718,6 +761,9 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
 		if (pin == HPD_NONE)
 			continue;
 
+		if (dev_priv->display.hotplug.stats[pin].state == HPD_DISABLED)
+			continue;
+
 		connector->base.polled = connector->polled;
 
 		if (enabled && connector->base.polled == DRM_CONNECTOR_POLL_HPD)
@@ -726,6 +772,8 @@ static void i915_hpd_poll_init_work(struct work_struct *work)
 	}
 	drm_connector_list_iter_end(&conn_iter);
 
+	spin_unlock_irq(&dev_priv->irq_lock);
+
 	if (enabled)
 		drm_kms_helper_poll_reschedule(&dev_priv->drm);
 
@@ -774,8 +822,10 @@ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv)
 	 * As well, there's no issue if we race here since we always reschedule
 	 * this worker anyway
 	 */
-	queue_work(dev_priv->unordered_wq,
-		   &dev_priv->display.hotplug.poll_init_work);
+	spin_lock_irq(&dev_priv->irq_lock);
+	queue_detection_work(dev_priv,
+			     &dev_priv->display.hotplug.poll_init_work);
+	spin_unlock_irq(&dev_priv->irq_lock);
 }
 
 /**
@@ -803,8 +853,11 @@ void intel_hpd_poll_disable(struct drm_i915_private *dev_priv)
 		return;
 
 	WRITE_ONCE(dev_priv->display.hotplug.poll_enabled, false);
-	queue_work(dev_priv->unordered_wq,
-		   &dev_priv->display.hotplug.poll_init_work);
+
+	spin_lock_irq(&dev_priv->irq_lock);
+	queue_detection_work(dev_priv,
+			     &dev_priv->display.hotplug.poll_init_work);
+	spin_unlock_irq(&dev_priv->irq_lock);
 }
 
 void intel_hpd_init_early(struct drm_i915_private *i915)
@@ -826,6 +879,20 @@ void intel_hpd_init_early(struct drm_i915_private *i915)
 	i915->display.hotplug.hpd_short_storm_enabled = !HAS_DP_MST(i915);
 }
 
+static bool cancel_all_detection_work(struct drm_i915_private *i915)
+{
+	bool was_pending = false;
+
+	if (cancel_delayed_work_sync(&i915->display.hotplug.hotplug_work))
+		was_pending = true;
+	if (cancel_work_sync(&i915->display.hotplug.poll_init_work))
+		was_pending = true;
+	if (cancel_delayed_work_sync(&i915->display.hotplug.reenable_work))
+		was_pending = true;
+
+	return was_pending;
+}
+
 void intel_hpd_cancel_work(struct drm_i915_private *dev_priv)
 {
 	if (!HAS_DISPLAY(dev_priv))
@@ -841,9 +908,13 @@ void intel_hpd_cancel_work(struct drm_i915_private *dev_priv)
 	spin_unlock_irq(&dev_priv->irq_lock);
 
 	cancel_work_sync(&dev_priv->display.hotplug.dig_port_work);
-	cancel_delayed_work_sync(&dev_priv->display.hotplug.hotplug_work);
-	cancel_work_sync(&dev_priv->display.hotplug.poll_init_work);
-	cancel_delayed_work_sync(&dev_priv->display.hotplug.reenable_work);
+
+	/*
+	 * All other work triggered by hotplug events should be canceled by
+	 * now.
+	 */
+	if (cancel_all_detection_work(dev_priv))
+		drm_dbg_kms(&dev_priv->drm, "Hotplug detection work still active\n");
 }
 
 bool intel_hpd_disable(struct drm_i915_private *dev_priv, enum hpd_pin pin)
@@ -873,6 +944,62 @@ void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin)
 	spin_unlock_irq(&dev_priv->irq_lock);
 }
 
+static void queue_work_for_missed_irqs(struct drm_i915_private *i915)
+{
+	bool queue_work = false;
+	enum hpd_pin pin;
+
+	lockdep_assert_held(&i915->irq_lock);
+
+	if (i915->display.hotplug.event_bits ||
+	    i915->display.hotplug.retry_bits)
+		queue_work = true;
+
+	for_each_hpd_pin(pin) {
+		switch (i915->display.hotplug.stats[pin].state) {
+		case HPD_MARK_DISABLED:
+			queue_work = true;
+			break;
+		case HPD_ENABLED:
+			break;
+		default:
+			MISSING_CASE(i915->display.hotplug.stats[pin].state);
+		}
+	}
+
+	if (queue_work)
+		queue_delayed_detection_work(i915, &i915->display.hotplug.hotplug_work, 0);
+}
+
+void intel_hpd_enable_detection_work(struct drm_i915_private *i915)
+{
+	spin_lock_irq(&i915->irq_lock);
+	i915->display.hotplug.detection_work_enabled = true;
+	queue_work_for_missed_irqs(i915);
+	spin_unlock_irq(&i915->irq_lock);
+}
+
+void intel_hpd_disable_detection_work(struct drm_i915_private *i915)
+{
+	spin_lock_irq(&i915->irq_lock);
+	i915->display.hotplug.detection_work_enabled = false;
+	spin_unlock_irq(&i915->irq_lock);
+
+	cancel_all_detection_work(i915);
+}
+
+bool intel_hpd_schedule_detection(struct drm_i915_private *i915)
+{
+	unsigned long flags;
+	bool ret;
+
+	spin_lock_irqsave(&i915->irq_lock, flags);
+	ret = queue_delayed_detection_work(i915, &i915->display.hotplug.hotplug_work, 0);
+	spin_unlock_irqrestore(&i915->irq_lock, flags);
+
+	return ret;
+}
+
 static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
 {
 	struct drm_i915_private *dev_priv = m->private;