Merge tag 'drm-next-2022-01-07' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Highlights are support for privacy screens found in new laptops, a
  bunch of nomodeset refactoring, and i915 enables ADL-P systems by
  default, while starting to add RPL-S support.

  vmwgfx adds GEM and support for OpenGL 4.3 features in userspace.

  Lots of internal refactorings around dma reservations, and lots of
  driver refactoring as well.

  Summary:

  core:
   - add privacy screen support
   - move nomodeset option into drm subsystem
   - clean up nomodeset handling in drivers
   - make drm_irq.c legacy
   - fix stack_depot name conflicts
   - remove DMA_BUF_SET_NAME ioctl restrictions
   - sysfs: send hotplug event
   - replace several DRM_* logging macros with drm_*
   - move hashtable to legacy code
   - add error return from gem_create_object
   - cma-helper: improve interfaces, drop CONFIG_DRM_KMS_CMA_HELPER
   - kernel.h related include cleanups
   - support XRGB2101010 source buffers

  ttm:
   - don't include drm hashtable
   - stop pruning fences after wait
   - documentation updates

  dma-buf:
   - add dma_resv selftest
   - add debugfs helpers
   - remove dma_resv_get_excl_unlocked
   - documentation
   - make fences mandatory in dma_resv_add_excl_fence

  dp:
   - add link training delay helpers

  gem:
   - link shmem/cma helpers into separate modules
   - use dma_resv iteratior
   - import dma-buf namespace into gem helper modules

  scheduler:
   - fence grab fix
   - lockdep fixes

  bridge:
   - switch to managed MIPI DSI helpers
   - register and attach during probe fixes
   - convert to YAML in several places.

  panel:
   - add bunch of new panesl

  simpledrm:
   - support FB_DAMAGE_CLIPS
   - support virtual screen sizes
   - add Apple M1 support

  amdgpu:
   - enable seamless boot for DCN 3.01
   - runtime PM fixes
   - use drm_kms_helper_connector_hotplug_event
   - get all fences at once
   - use generic drm fb helpers
   - PSR/DPCD/LTTPR/DSC/PM/RAS/OLED/SRIOV fixes
   - add smart trace buffer (STB) for supported GPUs
   - display debugfs entries
   - new SMU debug option
   - Documentation update

  amdkfd:
   - IP discovery enumeration refactor
   - interface between driver fixes
   - SVM fixes
   - kfd uapi header to define some sysfs bitfields.

  i915:
   - support VESA panel backlights
   - enable ADL-P by default
   - add eDP privacy screen support
   - add Raptor Lake S (RPL-S) support
   - DG2 page table support
   - lots of GuC/HuC fw refactoring
   - refactored i915->gt interfaces
   - CD clock squashing support
   - enable 10-bit gamma support
   - update ADL-P DMC fw to v2.14
   - enable runtime PM autosuspend by default
   - ADL-P DSI support
   - per-lane DP drive settings for ICL+
   - add support for pipe C/D DMC firmware
   - Atomic gamma LUT updates
   - remove CCS FB stride restrictions on ADL-P
   - VRR platform support for display 11
   - add support for display audio codec keepalive
   - lots of display refactoring
   - fix runtime PM handling during PXP suspend
   - improved eviction performance with async TTM moves
   - async VMA unbinding improvements
   - VMA locking refactoring
   - improved error capture robustness
   - use per device iommu checks
   - drop bits stealing from i915_sw_fence function ptr
   - remove dma_resv_prune
   - add IC cache invalidation on DG2

  nouveau:
   - crc fixes
   - validate LUTs in atomic check
   - set HDMI AVI RGB quant to full

  tegra:
   - buffer objects reworks for dma-buf compat
   - NVDEC driver uAPI support
   - power management improvements

  etnaviv:
   - IOMMU enabled system support
   - fix > 4GB command buffer mapping
   - close a DoS vector
   - fix spurious GPU resets

  ast:
   - fix i2c initialization

  rcar-du:
   - DSI output support

  exynos:
   - replace legacy gpio interface
   - implement generic GEM object mmap

  msm:
   - dpu plane state cleanup in prep for multirect
   - dpu debugfs cleanups
   - dp support for sc7280
   - a506 support
   - removal of struct_mutex
   - remove old eDP sub-driver

  anx7625:
   - support MIPI DSI input
   - support HDMI audio
   - fix reading EDID

  lvds:
   - fix bridge DT bindings

  megachips:
   - probe both bridges before registering

  dw-hdmi:
   - allow interlace on bridge

  ps8640:
   - enable runtime PM
   - support aux-bus

  tx358768:
   - enable reference clock
   - add pulse mode support

  ti-sn65dsi86:
   - use regmap bulk write
   - add PWM support

  etnaviv:
   - get all fences at once

  gma500:
   - gem object cleanups

  kmb:
   - enable fb console

  radeon:
   - use dma_resv_wait_timeout

  rockchip:
   - add DSP hold timeout
   - suspend/resume fixes
   - PLL clock fixes
   - implement mmap in GEM object functions
   - use generic fbdev emulation

  sun4i:
   - use CMA helpers without vmap support

  vc4:
   - fix HDMI-CEC hang with display is off
   - power on HDMI controller while disabling
   - support 4K@60Hz modes
   - support 10-bit YUV 4:2:0 output

  vmwgfx:
   - fix leak on probe errors
   - fail probing on broken hosts
   - new placement for MOB page tables
   - hide internal BOs from userspace
   - implement GEM support
   - implement GL 4.3 support

  virtio:
   - overflow fixes

  xen:
   - implement mmap as GEM object function

  omapdrm:
   - fix scatterlist export
   - support virtual planes

  mediatek:
   - MT8192 support
   - CMDQ refinement"

* tag 'drm-next-2022-01-07' of git://anongit.freedesktop.org/drm/drm: (1241 commits)
  drm/amdgpu: no DC support for headless chips
  drm/amd/display: fix dereference before NULL check
  drm/amdgpu: always reset the asic in suspend (v2)
  drm/amdgpu: put SMU into proper state on runpm suspending for BOCO capable platform
  drm/amd/display: Fix the uninitialized variable in enable_stream_features()
  drm/amdgpu: fix runpm documentation
  amdgpu/pm: Make sysfs pm attributes as read-only for VFs
  drm/amdgpu: save error count in RAS poison handler
  drm/amdgpu: drop redundant semicolon
  drm/amd/display: get and restore link res map
  drm/amd/display: support dynamic HPO DP link encoder allocation
  drm/amd/display: access hpo dp link encoder only through link resource
  drm/amd/display: populate link res in both detection and validation
  drm/amd/display: define link res and make it accessible to all link interfaces
  drm/amd/display: 3.2.167
  drm/amd/display: [FW Promotion] Release 0.0.98
  drm/amd/display: Undo ODM combine
  drm/amd/display: Add reg defs for DCN303
  drm/amd/display: Changed pipe split policy to allow for multi-display pipe split
  drm/amd/display: Set optimize_pwr_state for DCN31
  ...

1 files changed, 96 insertions, 31 deletions

diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c
index dee13fedee3b..0804c31e8962 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -15,6 +15,11 @@
 #include "msm_gpu.h"
 #include "msm_kms.h"
 #include "msm_debugfs.h"
+#include "disp/msm_disp_snapshot.h"
+
+/*
+ * GPU Snapshot:
+ */
 
 struct msm_gpu_show_priv {
 	struct msm_gpu_state *state;
@@ -29,14 +34,14 @@ static int msm_gpu_show(struct seq_file *m, void *arg)
 	struct msm_gpu *gpu = priv->gpu;
 	int ret;
 
-	ret = mutex_lock_interruptible(&show_priv->dev->struct_mutex);
+	ret = mutex_lock_interruptible(&gpu->lock);
 	if (ret)
 		return ret;
 
 	drm_printf(&p, "%s Status:\n", gpu->name);
 	gpu->funcs->show(gpu, show_priv->state, &p);
 
-	mutex_unlock(&show_priv->dev->struct_mutex);
+	mutex_unlock(&gpu->lock);
 
 	return 0;
 }
@@ -48,9 +53,9 @@ static int msm_gpu_release(struct inode *inode, struct file *file)
 	struct msm_drm_private *priv = show_priv->dev->dev_private;
 	struct msm_gpu *gpu = priv->gpu;
 
-	mutex_lock(&show_priv->dev->struct_mutex);
+	mutex_lock(&gpu->lock);
 	gpu->funcs->gpu_state_put(show_priv->state);
-	mutex_unlock(&show_priv->dev->struct_mutex);
+	mutex_unlock(&gpu->lock);
 
 	kfree(show_priv);
 
@@ -72,7 +77,7 @@ static int msm_gpu_open(struct inode *inode, struct file *file)
 	if (!show_priv)
 		return -ENOMEM;
 
-	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	ret = mutex_lock_interruptible(&gpu->lock);
 	if (ret)
 		goto free_priv;
 
@@ -81,7 +86,7 @@ static int msm_gpu_open(struct inode *inode, struct file *file)
 	show_priv->state = gpu->funcs->gpu_state_get(gpu);
 	pm_runtime_put_sync(&gpu->pdev->dev);
 
-	mutex_unlock(&dev->struct_mutex);
+	mutex_unlock(&gpu->lock);
 
 	if (IS_ERR(show_priv->state)) {
 		ret = PTR_ERR(show_priv->state);
@@ -109,6 +114,73 @@ static const struct file_operations msm_gpu_fops = {
 	.release = msm_gpu_release,
 };
 
+/*
+ * Display Snapshot:
+ */
+
+static int msm_kms_show(struct seq_file *m, void *arg)
+{
+	struct drm_printer p = drm_seq_file_printer(m);
+	struct msm_disp_state *state = m->private;
+
+	msm_disp_state_print(state, &p);
+
+	return 0;
+}
+
+static int msm_kms_release(struct inode *inode, struct file *file)
+{
+	struct seq_file *m = file->private_data;
+	struct msm_disp_state *state = m->private;
+
+	msm_disp_state_free(state);
+
+	return single_release(inode, file);
+}
+
+static int msm_kms_open(struct inode *inode, struct file *file)
+{
+	struct drm_device *dev = inode->i_private;
+	struct msm_drm_private *priv = dev->dev_private;
+	struct msm_disp_state *state;
+	int ret;
+
+	if (!priv->kms)
+		return -ENODEV;
+
+	ret = mutex_lock_interruptible(&priv->kms->dump_mutex);
+	if (ret)
+		return ret;
+
+	state = msm_disp_snapshot_state_sync(priv->kms);
+
+	mutex_unlock(&priv->kms->dump_mutex);
+
+	if (IS_ERR(state)) {
+		return PTR_ERR(state);
+	}
+
+	ret = single_open(file, msm_kms_show, state);
+	if (ret) {
+		msm_disp_state_free(state);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct file_operations msm_kms_fops = {
+	.owner = THIS_MODULE,
+	.open = msm_kms_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = msm_kms_release,
+};
+
+/*
+ * Other debugfs:
+ */
+
 static unsigned long last_shrink_freed;
 
 static int
@@ -134,8 +206,10 @@ DEFINE_SIMPLE_ATTRIBUTE(shrink_fops,
 			"0x%08llx\n");
 
 
-static int msm_gem_show(struct drm_device *dev, struct seq_file *m)
+static int msm_gem_show(struct seq_file *m, void *arg)
 {
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
 	struct msm_drm_private *priv = dev->dev_private;
 	int ret;
 
@@ -150,8 +224,10 @@ static int msm_gem_show(struct drm_device *dev, struct seq_file *m)
 	return 0;
 }
 
-static int msm_mm_show(struct drm_device *dev, struct seq_file *m)
+static int msm_mm_show(struct seq_file *m, void *arg)
 {
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
 	struct drm_printer p = drm_seq_file_printer(m);
 
 	drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
@@ -159,8 +235,10 @@ static int msm_mm_show(struct drm_device *dev, struct seq_file *m)
 	return 0;
 }
 
-static int msm_fb_show(struct drm_device *dev, struct seq_file *m)
+static int msm_fb_show(struct seq_file *m, void *arg)
 {
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
 	struct msm_drm_private *priv = dev->dev_private;
 	struct drm_framebuffer *fb, *fbdev_fb = NULL;
 
@@ -183,29 +261,10 @@ static int msm_fb_show(struct drm_device *dev, struct seq_file *m)
 	return 0;
 }
 
-static int show_locked(struct seq_file *m, void *arg)
-{
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	int (*show)(struct drm_device *dev, struct seq_file *m) =
-			node->info_ent->data;
-	int ret;
-
-	ret = mutex_lock_interruptible(&dev->struct_mutex);
-	if (ret)
-		return ret;
-
-	ret = show(dev, m);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	return ret;
-}
-
 static struct drm_info_list msm_debugfs_list[] = {
-		{"gem", show_locked, 0, msm_gem_show},
-		{ "mm", show_locked, 0, msm_mm_show },
-		{ "fb", show_locked, 0, msm_fb_show },
+		{"gem", msm_gem_show},
+		{ "mm", msm_mm_show },
+		{ "fb", msm_fb_show },
 };
 
 static int late_init_minor(struct drm_minor *minor)
@@ -252,9 +311,15 @@ void msm_debugfs_init(struct drm_minor *minor)
 	debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root,
 		dev, &msm_gpu_fops);
 
+	debugfs_create_file("kms", S_IRUSR, minor->debugfs_root,
+		dev, &msm_kms_fops);
+
 	debugfs_create_u32("hangcheck_period_ms", 0600, minor->debugfs_root,
 		&priv->hangcheck_period);
 
+	debugfs_create_bool("disable_err_irq", 0600, minor->debugfs_root,
+		&priv->disable_err_irq);
+
 	debugfs_create_file("shrink", S_IRWXU, minor->debugfs_root,
 		dev, &shrink_fops);