Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Lots of work all over, Intel improving DG2 support, amdkfd CRIU
  support, msm new hw support, and faster fbdev support.

  dma-buf:
   - rename dma-buf-map to iosys-map

  core:
   - move buddy allocator to core
   - add pci/platform init macros
   - improve EDID parser deep color handling
   - EDID timing type 7 support
   - add GPD Win Max quirk
   - add yes/no helpers to string_helpers
   - flatten syncobj chains
   - add nomodeset support to lots of drivers
   - improve fb-helper clipping support
   - add default property value interface

  fbdev:
   - improve fbdev ops speed

  ttm:
   - add a backpointer from ttm bo->ttm resource

  dp:
   - move displayport headers
   - add a dp helper module

  bridge:
   - anx7625 atomic support, HDCP support

  panel:
   - split out panel-lvds and lvds bindings
   - find panels in OF subnodes

  privacy:
   - add chromeos privacy screen support

  fb:
   - hot unplug fw fb on forced removal

  simpledrm:
   - request region instead of marking ioresource busy
   - add panel oreintation property

  udmabuf:
   - fix oops with 0 pages

  amdgpu:
   - power management code cleanup
   - Enable freesync video mode by default
   - RAS code cleanup
   - Improve VRAM access for debug using SDMA
   - SR-IOV rework special register access and fixes
   - profiling power state request ioctl
   - expose IP discovery via sysfs
   - Cyan skillfish updates
   - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
   - expose benchmark tests via debugfs
   - add module param to disable XGMI for testing
   - GPU reset debugfs register dumping support

  amdkfd:
   - CRIU support
   - SDMA queue fixes

  radeon:
   - UVD suspend fix
   - iMac backlight fix

  i915:
   - minimal parallel submission for execlists
   - DG2-G12 subplatform added
   - DG2 programming workarounds
   - DG2 accelerated migration support
   - flat CCS and CCS engine support for XeHP
   - initial small BAR support
   - drop fake LMEM support
   - ADL-N PCH support
   - bigjoiner updates
   - introduce VMA resources and async unbinding
   - register definitions cleanups
   - multi-FBC refactoring
   - DG1 OPROM over SPI support
   - ADL-N platform enabling
   - opregion mailbox #5 support
   - DP MST ESI improvements
   - drm device based logging
   - async flip optimisation for DG2
   - CPU arch abstraction fixes
   - improve GuC ADS init to work on aarch64
   - tweak TTM LRU priority hint
   - GuC 69.0.3 support
   - remove short term execbuf pins

  nouveau:
   - higher DP/eDP bitrates
   - backlight fixes

  msm:
   - dpu + dp support for sc8180x
   - dp support for sm8350
   - dpu + dsi support for qcm2290
   - 10nm dsi phy tuning support
   - bridge support for dp encoder
   - gpu support for additional 7c3 SKUs

  ingenic:
   - HDMI support for JZ4780
   - aux channel EDID support

  ast:
   - AST2600 support
   - add wide screen support
   - create DP/DVI connectors

  omapdrm:
   - fix implicit dma_buf fencing

  vc4:
   - add CSC + full range support
   - better display firmware handoff

  panfrost:
   - add initial dual-core GPU support

  stm:
   - new revision support
   - fb handover support

  mediatek:
   - transfer display binding document to yaml format.
   - add mt8195 display device binding.
   - allow commands to be sent during video mode.
   - add wait_for_event for crtc disable by cmdq.

  tegra:
   - YUV format support

  rcar-du:
   - LVDS support for M3-W+ (R8A77961)

  exynos:
   - BGR pixel format for FIMD device"

* tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits)
  drm/i915/display: Do not re-enable PSR after it was marked as not reliable
  drm/i915/display: Fix HPD short pulse handling for eDP
  drm/amdgpu: Use drm_mode_copy()
  drm/radeon: Use drm_mode_copy()
  drm/amdgpu: Use ternary operator in `vcn_v1_0_start()`
  drm/amdgpu: Remove pointless on stack mode copies
  drm/amd/pm: fix indenting in __smu_cmn_reg_print_error()
  drm/amdgpu/dc: fix typos in comments
  drm/amdgpu: fix typos in comments
  drm/amd/pm: fix typos in comments
  drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.
  drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations.
  drm/amdkfd: evict svm bo worker handle error
  drm/amdgpu/vcn: fix vcn ring test failure in igt reload test
  drm/amdgpu: only allow secure submission on rings which support that
  drm/amdgpu: fixed the warnings reported by kernel test robot
  drm/amd/display: 3.2.177
  drm/amd/display: [FW Promotion] Release 0.0.108.0
  drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2
  drm/amd/display: Wait for hubp read line for Pollock
  ...

1 files changed, 12 insertions, 16 deletions

diff --git a/drivers/gpu/drm/msm/dp/dp_debug.c b/drivers/gpu/drm/msm/dp/dp_debug.c
index da4323556ef30..2f9c943f12d56 100644
--- a/drivers/gpu/drm/msm/dp/dp_debug.c
+++ b/drivers/gpu/drm/msm/dp/dp_debug.c
@@ -207,39 +207,39 @@ static const struct file_operations test_active_fops = {
 	.write = dp_test_active_write
 };
 
-static int dp_debug_init(struct dp_debug *dp_debug, struct drm_minor *minor)
+static void dp_debug_init(struct dp_debug *dp_debug, struct drm_minor *minor)
 {
-	int rc = 0;
+	char path[64];
 	struct dp_debug_private *debug = container_of(dp_debug,
 			struct dp_debug_private, dp_debug);
 
-	debugfs_create_file("dp_debug", 0444, minor->debugfs_root,
+	snprintf(path, sizeof(path), "msm_dp-%s", debug->connector->name);
+
+	debug->root = debugfs_create_dir(path, minor->debugfs_root);
+
+	debugfs_create_file("dp_debug", 0444, debug->root,
 			debug, &dp_debug_fops);
 
 	debugfs_create_file("msm_dp_test_active", 0444,
-			minor->debugfs_root,
+			debug->root,
 			debug, &test_active_fops);
 
 	debugfs_create_file("msm_dp_test_data", 0444,
-			minor->debugfs_root,
+			debug->root,
 			debug, &dp_test_data_fops);
 
 	debugfs_create_file("msm_dp_test_type", 0444,
-			minor->debugfs_root,
+			debug->root,
 			debug, &dp_test_type_fops);
-
-	debug->root = minor->debugfs_root;
-
-	return rc;
 }
 
 struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
 		struct dp_usbpd *usbpd, struct dp_link *link,
 		struct drm_connector *connector, struct drm_minor *minor)
 {
-	int rc = 0;
 	struct dp_debug_private *debug;
 	struct dp_debug *dp_debug;
+	int rc;
 
 	if (!dev || !panel || !usbpd || !link) {
 		DRM_ERROR("invalid input\n");
@@ -266,11 +266,7 @@ struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
 	dp_debug->hdisplay = 0;
 	dp_debug->vrefresh = 0;
 
-	rc = dp_debug_init(dp_debug, minor);
-	if (rc) {
-		devm_kfree(dev, debug);
-		goto error;
-	}
+	dp_debug_init(dp_debug, minor);
 
 	return dp_debug;
  error: