Merge tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "cross-subsystem:
   - i2c-hid: Make elan touch controllers power on after panel is
     enabled
   - dt bindings for STM32MP25 SoC
   - pci vgaarb: use screen_info helpers
   - rust pin-init updates
   - add MEI driver for late binding firmware update/load

  uapi:
   - add ioctl for reassigning GEM handles
   - provide boot_display attribute on boot-up devices

  core:
   - document DRM_MODE_PAGE_FLIP_EVENT
   - add vendor specific recovery method to drm device wedged uevent

  gem:
   - Simplify gpuvm locking

  ttm:
   - add interface to populate buffers

  sched:
   - Fix race condition in trace code

  atomic:
   - Reallow no-op async page flips

  display:
   - dp: Fix command length

  video:
   - Improve pixel-format handling for struct screen_info

  rust:
   - drop Opaque<> from ioctl args
   - Alloc:
       - BorrowedPage type and AsPageIter traits
       - Implement Vmalloc::to_page() and VmallocPageIter
   - DMA/Scatterlist:
       - Add dma::DataDirection and type alias for dma_addr_t
       - Abstraction for struct scatterlist and sg_table
   - DRM:
       - simplify use of generics
       - add DriverFile type alias
       - drop Object::SIZE
   - Rust:
       - pin-init tree merge
       - Various methods for AsBytes and FromBytes traits

  gpuvm:
   - Support madvice in Xe driver

  gpusvm:
   - fix hmm_pfn_to_map_order usage in gpusvm

  bridge:
   - Improve and fix ref counting on bridge management
   - cdns-dsi: Various improvements to mode setting
   - Support Solomon SSD2825 plus DT bindings
   - Support Waveshare DSI2DPI plus DT bindings
   - Support Content Protection property
   - display-connector: Improve DP display detection
   - Add support for Radxa Ra620 plus DT bindings
   - adv7511: Provide SPD and HDMI infoframes
   - it6505: Replace crypto_shash with sha()
   - synopsys: Add support for DW DPTX Controller plus DT bindings
   - adv7511: Write full Audio infoframe
   - ite6263: Support vendor-specific infoframes
   - simple: Add support for Realtek RTD2171 DP-to-HDMI plus DT bindings

  panel:
   - panel-edp: Support mt8189 Chromebooks; Support BOE NV140WUM-N64;
     Support SHP LQ134Z1; Fixes
   - panel-simple: Support Olimex LCD-OLinuXino-5CTS plus DT bindings
   - Support Samsung AMS561RA01
   - Support Hydis HV101HD1 plus DT bindings
   - ilitek-ili9881c: Refactor mode setting; Add support for Bestar
     BSD1218-A101KL68 LCD plus DT bindings
   - lvds: Add support for Ampire AMP19201200B5TZQW-T03 to DT bindings
   - edp: Add support for additonal mt8189 Chromebook panels
   - lvds: Add DT bindings for EDT ETML0700Z8DHA

  amdgpu:
   - add CRIU support for gem objects
   - RAS updates
   - VCN SRAM load fixes
   - EDID read fixes
   - eDP ALPM support
   - Documentation updates
   - Rework PTE flag generation
   - DCE6 fixes
   - VCN devcoredump cleanup
   - MMHUB client id fixes
   - VCN 5.0.1 RAS support
   - SMU 13.0.x updates
   - Expanded PCIe DPC support
   - Expanded VCN reset support
   - VPE per queue reset support
   - give kernel jobs unique id for tracing
   - pre-populate exported buffers
   - cyan skillfish updates
   - make vbios build number available in sysfs
   - userq updates
   - HDCP updates
   - support MMIO remap page as ttm pool
   - JPEG parser updates
   - DCE6 DC updates
   - use devm for i2c buses
   - GPUVM locking updates
   - Drop non-DC DCE11 code
   - improve fallback handling for pixel encoding

  amdkfd:
   - SVM/page migration fixes
   - debugfs fixes
   - add CRIO support for gem objects
   - SVM updates

  radeon:
   - use dev_warn_once in CS parsers

  xe:
   - add madvise interface
   - add DRM_IOCTL_XE_VM_QUERY_MEMORY_RANGE_ATTRS to query VMA count
     and memory attributes
   - drop L# bank mask reporting from media GT3 on Xe3+.
   - add SLPC power_profile sysfs interface
   - add configs attribs to add post/mid context-switch commands
   - handle firmware reported hardware errors notifying userspace with
     device wedged uevent
   - use same dir structure across sysfs/debugfs
   - cleanup and future proof vram region init
   - add G-states and PCI link states to debugfs
   - Add SRIOV support for CCS surfaces on Xe2+
   - Enable SRIOV PF mode by default on supported platforms
   - move flush to common code
   - extended core workarounds for Xe2/3
   - use DRM scheduler for delayed GT TLB invalidations
   - configs improvements and allow VF device enablement
   - prep work to expose mmio regions to userspace
   - VF migration support added
   - prepare GPU SVM for THP migration
   - start fixing XE_PAGE_SIZE vs PAGE_SIZE
   - add PSMI support for hw validation
   - resize VF bars to max possible size according to number of VFs
   - Ensure GT is in C0 during resume
   - pre-populate exported buffers
   - replace xe_hmm with gpusvm
   - add more SVM GT stats to debugfs
   - improve fake pci and WA kunnit handle for new platform testing
   - Test GuC to GuC comms to add debugging
   - use attribute groups to simplify sysfs registration
   - add Late Binding firmware code to interact with MEI

  i915:
   - apply multiple JSL/EHL/Gen7/Gen6 workarounds properly
   - protect against overflow in active_engine()
   - Use try_cmpxchg64() in __active_lookup()
   - include GuC registers in error state
   - get rid of dev->struct_mutex
   - iopoll: generalize read_poll_timout
   - lots more display refactoring
   - Reject HBR3 in any eDP Panel
   - Prune modes for YUV420
   - Display Wa fix, additions, and updates
   - DP: Fix 2.7 Gbps link training on g4x
   - DP: Adjust the idle pattern handling
   - DP: Shuffle the link training code a bit
   - Don't set/read the DSI C clock divider on GLK
   - Enable_psr kernel parameter changes
   - Type-C enabled/disconnected dp-alt sink
   - Wildcat Lake enabling
   - DP HDR updates
   - DRAM detection
   - wait PSR idle on dsb commit
   - Remove FBC modulo 4 restriction for ADL-P+
   - panic: refactor framebuffer allocation

  habanalabs:
   - debug/visibility improvements
   - vmalloc-backed coherent mmap support
   - HLDIO infrastructure

  nova-core:
   - various register!() macro improvements
   - minor vbios/firmware fixes/refactoring
   - advance firmware boot stages; process Booter and patch signatures
   - process GSP and GSP bootloader
   - Add r570.144 firmware bindings and update to it
   - Move GSP boot code to own module
   - Use new pin-init features to store driver's private data in a
     single allocation
   - Update ARef import from sync::aref

  nova-drm:
   - Update ARef import from sync::aref

  tyr:
   - initial driver skeleton for a rust driver for ARM Mali GPUs
   - capable of powering up, query metadata and provide it to userspace.

  msm:
   - GPU and Core:
      - in DT bindings describe clocks per GPU type
      - GMU bandwidth voting for x1-85
      - a623/a663 speedbins
      - cleanup some remaining no-iommu leftovers after VM_BIND conversion
      - fix GEM obj 32b size truncation
      - add missing VM_BIND param validation
      - IFPC for x1-85 and a750
      - register xml and gen_header.py sync from mesa
   - Display:
      - add missing bindings for display on SC8180X
      - added DisplayPort MST bindings
      - conversion from round_rate() to determine_rate()

  amdxdna:
   - add IOCTL_AMDXDNA_GET_ARRAY
   - support user space allocated buffers
   - streamline PM interfaces
   - Refactoring wrt. hardware contexts
   - improve error reporting

  nouveau:
   - use GSP firmware by default
   - improve error reporting
   - Pre-populate exported buffers

  ast:
   - Clean up detection of DRAM config

  exynos:
   - add DSIM bridge driver support for Exynos7870
   - Document Exynos7870 DSIM compatible in dt-binding

  panthor:
   - Print task/pid on errors
   - Add support for Mali G710, G510, G310, Gx15, Gx20, Gx25
   - Improve cache flushing
   - Fail VM bind if BO has offset

  renesas:
   - convert to RUNTIME_PM_OPS

  rcar-du:
   - Make number of lanes configurable
   - Use RUNTIME_PM_OPS
   - Add support for DSI commands

  rocket:
   - Add driver for Rockchip NPU plus DT bindings
   - Use kfree() and sizeof() correctly
   - Test DMA status

  rockchip:
   - dsi2: Add support for RK3576 plus DT bindings
   - Add support for RK3588 DPTX output

  tidss:
   - Use crtc_ fields for programming display mode
   - Remove other drivers from aperture

  pixpaper:
   - Add support for Mayqueen Pixpaper plus DT bindings

  v3d:
   - Support querying nubmer of GPU resets for KHR_robustness

  stm:
   - Clean up logging
   - ltdc: Add support support for STM32MP257F-EV1 plus DT bindings

  sitronix:
   - st7571-i2c: Add support for inverted displays and 2-bit grayscale

  tidss:
   - Convert to kernel's FIELD_ macros

  vesadrm:
   - Support 8-bit palette mode

  imagination:
   - Improve power management
   - Add support for TH1520 GPU
   - Support Risc-V architectures

  v3d:
   - Improve job management and locking

  vkms:
   - Support variants of ARGB8888, ARGB16161616, RGB565, RGB888 and P01x
   - Spport YUV with 16-bit components"

* tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel: (1455 commits)
  drm/amd: Add name to modes from amdgpu_connector_add_common_modes()
  drm/amd: Drop some common modes from amdgpu_connector_add_common_modes()
  drm/amdgpu: update MODULE_PARM_DESC for freesync_video
  drm/amd: Use dynamic array size declaration for amdgpu_connector_add_common_modes()
  drm/amd/display: Share dce100_validate_global with DCE6-8
  drm/amd/display: Share dce100_validate_bandwidth with DCE6-8
  drm/amdgpu: Fix fence signaling race condition in userqueue
  amd/amdkfd: enhance kfd process check in switch partition
  amd/amdkfd: resolve a race in amdgpu_amdkfd_device_fini_sw
  drm/amd/display: Reject modes with too high pixel clock on DCE6-10
  drm/amd: Drop unnecessary check in amdgpu_connector_add_common_modes()
  drm/amd/display: Only enable common modes for eDP and LVDS
  drm/amdgpu: remove the redeclaration of variable i
  drm/amdgpu/userq: assign an error code for invalid userq va
  drm/amdgpu: revert "rework reserved VMID handling" v2
  drm/amdgpu: remove leftover from enforcing isolation by VMID
  drm/amdgpu: Add fallback to pipe reset if KCQ ring reset fails
  accel/habanalabs: add Infineon version check
  accel/habanalabs/gaudi2: read preboot status after recovering from dirty state
  accel/habanalabs: add HL_GET_P_STATE passthrough type
  ...

1 files changed, 24 insertions, 21 deletions

diff --git a/drivers/gpu/drm/sitronix/st7571-i2c.c b/drivers/gpu/drm/sitronix/st7571-i2c.c
index 453eb7e045e5..a6c4a6738ded 100644
--- a/drivers/gpu/drm/sitronix/st7571-i2c.c
+++ b/drivers/gpu/drm/sitronix/st7571-i2c.c
@@ -151,6 +151,7 @@ struct st7571_device {
 	bool ignore_nak;
 
 	bool grayscale;
+	bool inverted;
 	u32 height_mm;
 	u32 width_mm;
 	u32 startline;
@@ -218,10 +219,11 @@ static int st7571_send_command_list(struct st7571_device *st7571,
 	return ret;
 }
 
-static inline u8 st7571_transform_xy(const char *p, int x, int y)
+static inline u8 st7571_transform_xy(const char *p, int x, int y, u8 bpp)
 {
 	int xrest = x % 8;
 	u8 result = 0;
+	u8 row_len = 16 * bpp;
 
 	/*
 	 * Transforms an (x, y) pixel coordinate into a vertical 8-bit
@@ -236,7 +238,7 @@ static inline u8 st7571_transform_xy(const char *p, int x, int y)
 
 	for (int i = 0; i < 8; i++) {
 		int row_idx = y + i;
-		u8 byte = p[row_idx * 16 + x];
+		u8 byte = p[row_idx * row_len + x];
 		u8 bit = (byte >> xrest) & 1;
 
 		result |= (bit << i);
@@ -303,11 +305,11 @@ static void st7571_prepare_buffer_grayscale(struct st7571_device *st7571,
 	struct iosys_map dst;
 
 	switch (fb->format->format) {
-	case DRM_FORMAT_XRGB8888: /* Only support XRGB8888 in monochrome mode */
-		dst_pitch = DIV_ROUND_UP(drm_rect_width(rect), 8);
+	case DRM_FORMAT_XRGB8888:
+		dst_pitch = DIV_ROUND_UP(drm_rect_width(rect), 4);
 		iosys_map_set_vaddr(&dst, st7571->hwbuf);
 
-		drm_fb_xrgb8888_to_mono(&dst, &dst_pitch, vmap, fb, rect, fmtcnv_state);
+		drm_fb_xrgb8888_to_gray2(&dst, &dst_pitch, vmap, fb, rect, fmtcnv_state);
 		break;
 
 	case DRM_FORMAT_R1:
@@ -333,7 +335,7 @@ static int st7571_fb_update_rect_monochrome(struct drm_framebuffer *fb, struct d
 
 	for (int y = rect->y1; y < rect->y2; y += ST7571_PAGE_HEIGHT) {
 		for (int x = rect->x1; x < rect->x2; x++)
-			row[x] = st7571_transform_xy(st7571->hwbuf, x, y);
+			row[x] = st7571_transform_xy(st7571->hwbuf, x, y, 1);
 
 		st7571_set_position(st7571, rect->x1, y);
 
@@ -358,14 +360,13 @@ static int st7571_fb_update_rect_grayscale(struct drm_framebuffer *fb, struct dr
 	rect->y2 = min_t(unsigned int, round_up(rect->y2, ST7571_PAGE_HEIGHT), st7571->nlines);
 
 	switch (format) {
-	case DRM_FORMAT_XRGB8888:
-		/* Threated as monochrome (R1) */
-		fallthrough;
 	case DRM_FORMAT_R1:
-		x1 = rect->x1;
-		x2 = rect->x2;
+		x1 = rect->x1 * 1;
+		x2 = rect->x2 * 1;
 		break;
 	case DRM_FORMAT_R2:
+		fallthrough;
+	case DRM_FORMAT_XRGB8888:
 		x1 = rect->x1 * 2;
 		x2 = rect->x2 * 2;
 		break;
@@ -373,7 +374,7 @@ static int st7571_fb_update_rect_grayscale(struct drm_framebuffer *fb, struct dr
 
 	for (int y = rect->y1; y < rect->y2; y += ST7571_PAGE_HEIGHT) {
 		for (int x = x1; x < x2; x++)
-			row[x] = st7571_transform_xy(st7571->hwbuf, x, y);
+			row[x] = st7571_transform_xy(st7571->hwbuf, x, y, 2);
 
 		st7571_set_position(st7571, rect->x1, y);
 
@@ -386,15 +387,15 @@ static int st7571_fb_update_rect_grayscale(struct drm_framebuffer *fb, struct dr
 			 * even if the format is monochrome.
 			 *
 			 * The bit values maps to the following grayscale:
-			 * 0 0 = White
-			 * 0 1 = Light gray
-			 * 1 0 = Dark gray
-			 * 1 1 = Black
+			 * 0 0 = Black
+			 * 0 1 = Dark gray
+			 * 1 0 = Light gray
+			 * 1 1 = White
 			 *
 			 * For monochrome formats, write the same value twice to get
 			 * either a black or white pixel.
 			 */
-			if (format == DRM_FORMAT_R1 || format == DRM_FORMAT_XRGB8888)
+			if (format == DRM_FORMAT_R1)
 				regmap_bulk_write(st7571->regmap, ST7571_DATA_MODE, row + x, 1);
 		}
 	}
@@ -792,6 +793,7 @@ static int st7567_parse_dt(struct st7571_device *st7567)
 
 	of_property_read_u32(np, "width-mm", &st7567->width_mm);
 	of_property_read_u32(np, "height-mm", &st7567->height_mm);
+	st7567->inverted = of_property_read_bool(np, "sitronix,inverted");
 
 	st7567->pformat = &st7571_monochrome;
 	st7567->bpp = 1;
@@ -819,6 +821,7 @@ static int st7571_parse_dt(struct st7571_device *st7571)
 	of_property_read_u32(np, "width-mm", &st7571->width_mm);
 	of_property_read_u32(np, "height-mm", &st7571->height_mm);
 	st7571->grayscale = of_property_read_bool(np, "sitronix,grayscale");
+	st7571->inverted = of_property_read_bool(np, "sitronix,inverted");
 
 	if (st7571->grayscale) {
 		st7571->pformat = &st7571_grayscale;
@@ -873,7 +876,7 @@ static int st7567_lcd_init(struct st7571_device *st7567)
 		ST7571_SET_POWER(0x6),	/* Power Control, VC: ON, VR: ON, VF: OFF */
 		ST7571_SET_POWER(0x7),	/* Power Control, VC: ON, VR: ON, VF: ON */
 
-		ST7571_SET_REVERSE(0),
+		ST7571_SET_REVERSE(st7567->inverted ? 1 : 0),
 		ST7571_SET_ENTIRE_DISPLAY_ON(0),
 	};
 
@@ -917,7 +920,7 @@ static int st7571_lcd_init(struct st7571_device *st7571)
 		ST7571_SET_COLOR_MODE(st7571->pformat->mode),
 		ST7571_COMMAND_SET_NORMAL,
 
-		ST7571_SET_REVERSE(0),
+		ST7571_SET_REVERSE(st7571->inverted ? 1 : 0),
 		ST7571_SET_ENTIRE_DISPLAY_ON(0),
 	};
 
@@ -1024,7 +1027,7 @@ static void st7571_remove(struct i2c_client *client)
 	drm_dev_unplug(&st7571->dev);
 }
 
-struct st7571_panel_data st7567_config = {
+static const struct st7571_panel_data st7567_config = {
 	.init = st7567_lcd_init,
 	.parse_dt = st7567_parse_dt,
 	.constraints = {
@@ -1036,7 +1039,7 @@ struct st7571_panel_data st7567_config = {
 	},
 };
 
-struct st7571_panel_data st7571_config = {
+static const struct st7571_panel_data st7571_config = {
 	.init = st7571_lcd_init,
 	.parse_dt = st7571_parse_dt,
 	.constraints = {