Merge tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "Highlights:

   - Intel xe enable Panthor Lake, started adding WildCat Lake

   - amdgpu has a bunch of reset improvments along with the usual IP
     updates

   - msm got VM_BIND support which is important for vulkan sparse memory

   - more drm_panic users

   - gpusvm common code to handle a bunch of core SVM work outside
     drivers.

  Detail summary:

  Changes outside drm subdirectory:
   - 'shrink_shmem_memory()' for better shmem/hibernate interaction
   - Rust support infrastructure:
      - make ETIMEDOUT available
      - add size constants up to SZ_2G
      - add DMA coherent allocation bindings
   - mtd driver for Intel GPU non-volatile storage
   - i2c designware quirk for Intel xe

  core:
   - atomic helpers: tune enable/disable sequences
   - add task info to wedge API
   - refactor EDID quirks
   - connector: move HDR sink to drm_display_info
   - fourcc: half-float and 32-bit float formats
   - mode_config: pass format info to simplify

  dma-buf:
   - heaps: Give CMA heap a stable name

  ci:
   - add device tree validation and kunit

  displayport:
   - change AUX DPCD access probe address
   - add quirk for DPCD probe
   - add panel replay definitions
   - backlight control helpers

  fbdev:
   - make CONFIG_FIRMWARE_EDID available on all arches

  fence:
   - fix UAF issues

  format-helper:
   - improve tests

  gpusvm:
   - introduce devmem only flag for allocation
   - add timeslicing support to GPU SVM

  ttm:
   - improve eviction

  sched:
   - tracing improvements
   - kunit improvements
   - memory leak fixes
   - reset handling improvements

  color mgmt:
   - add hardware gamma LUT handling helpers

  bridge:
   - add destroy hook
   - switch to reference counted drm_bridge allocations
   - tc358767: convert to devm_drm_bridge_alloc
   - improve CEC handling

  panel:
   - switch to reference counter drm_panel allocations
   - fwnode panel lookup
   - Huiling hl055fhv028c support
   - Raspberry Pi 7" 720x1280 support
   - edp: KDC KD116N3730A05, N160JCE-ELL CMN, N116BCJ-EAK
   - simple: AUO P238HAN01
   - st7701: Winstar wf40eswaa6mnn0
   - visionox: rm69299-shift
   - Renesas R61307, Renesas R69328 support
   - DJN HX83112B

  hdmi:
   - add CEC handling
   - YUV420 output support

  xe:
   - WildCat Lake support
   - Enable PanthorLake by default
   - mark BMG as SRIOV capable
   - update firmware recommendations
   - Expose media OA units
   - aux-bux support for non-volatile memory
   - MTD intel-dg driver for non-volatile memory
   - Expose fan control and voltage regulator in sysfs
   - restructure migration for multi-device
   - Restore GuC submit UAF fix
   - make GEM shrinker drm managed
   - SRIOV VF Post-migration recovery of GGTT nodes
   - W/A additions/reworks
   - Prefetch support for svm ranges
   - Don't allocate managed BO for each policy change
   - HWMON fixes for BMG
   - Create LRC BO without VM
   - PCI ID updates
   - make SLPC debugfs files optional
   - rework eviction rejection of bound external BOs
   - consolidate PAT programming logic for pre/post Xe2
   - init changes for flicker-free boot
   - Enable GuC Dynamic Inhibit Context switch

  i915:
   - drm_panic support for i915/xe
   - initial flip queue off by default for LNL/PNL
   - Wildcat Lake Display support
   - Support for DSC fractional link bpp
   - Support for simultaneous Panel Replay and Adaptive sync
   - Support for PTL+ double buffer LUT
   - initial PIPEDMC event handling
   - drm_panel_follower support
   - DPLL interface renames
   - allocate struct intel_display dynamically
   - flip queue preperation
   - abstract DRAM detection better
   - avoid GuC scheduling stalls
   - remove DG1 force probe requirement
   - fix MEI interrupt handler on RT kernels
   - use backlight control helpers for eDP
   - more shared display code refactoring

  amdgpu:
   - add userq slot to INFO ioctl
   - SR-IOV hibernation support
   - Suspend improvements
   - Backlight improvements
   - Use scaling for non-native eDP modes
   - cleaner shader updates for GC 9.x
   - Remove fence slab
   - SDMA fw checks for userq support
   - RAS updates
   - DMCUB updates
   - DP tunneling fixes
   - Display idle D3 support
   - Per queue reset improvements
   - initial smartmux support

  amdkfd:
   - enable KFD on loongarch
   - mtype fix for ext coherent system memory

  radeon:
   - CS validation additional GL extensions
   - drop console lock during suspend/resume
   - bump driver version

  msm:
   - VM BIND support
   - CI: infrastructure updates
   - UBWC single source of truth
   - decouple GPU and KMS support
   - DP: rework I/O accessors
   - DPU: SM8750 support
   - DSI: SM8750 support
   - GPU: X1-45 support and speedbin support for X1-85
   - MDSS: SM8750 support

  nova:
   - register! macro improvements
   - DMA object abstraction
   - VBIOS parser + fwsec lookup
   - sysmem flush page support
   - falcon: generic falcon boot code and HAL
   - FWSEC-FRTS: fb setup and load/execute

  ivpu:
   - Add Wildcat Lake support
   - Add turbo flag

  ast:
   - improve hardware generations implementation

  imx:
   - IMX8qxq Display Controller support

  lima:
   - Rockchip RK3528 GPU support

  nouveau:
   - fence handling cleanup

  panfrost:
   - MT8370 support
   - bo labeling
   - 64-bit register access

  qaic:
   - add RAS support

  rockchip:
   - convert inno_hdmi to a bridge

  rz-du:
   - add RZ/V2H(P) support
   - MIPI-DSI DCS support

  sitronix:
   - ST7567 support

  sun4i:
   - add H616 support

  tidss:
   - add TI AM62L support
   - AM65x OLDI bridge support

  bochs:
   - drm panic support

  vkms:
   - YUV and R* format support
   - use faux device

  vmwgfx:
   - fence improvements

  hyperv:
   - move out of simple
   - add drm_panic support"

* tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel: (1479 commits)
  drm/tidss: oldi: convert to devm_drm_bridge_alloc() API
  drm/tidss: encoder: convert to devm_drm_bridge_alloc()
  drm/amdgpu: move reset support type checks into the caller
  drm/amdgpu/sdma7: re-emit unprocessed state on ring reset
  drm/amdgpu/sdma6: re-emit unprocessed state on ring reset
  drm/amdgpu/sdma5.2: re-emit unprocessed state on ring reset
  drm/amdgpu/sdma5: re-emit unprocessed state on ring reset
  drm/amdgpu/gfx12: re-emit unprocessed state on ring reset
  drm/amdgpu/gfx11: re-emit unprocessed state on ring reset
  drm/amdgpu/gfx10: re-emit unprocessed state on ring reset
  drm/amdgpu/gfx9.4.3: re-emit unprocessed state on kcq reset
  drm/amdgpu/gfx9: re-emit unprocessed state on kcq reset
  drm/amdgpu: Add WARN_ON to the resource clear function
  drm/amd/pm: Use cached metrics data on SMUv13.0.6
  drm/amd/pm: Use cached data for min/max clocks
  gpu: nova-core: fix bounds check in PmuLookupTableEntry::new
  drm/amdgpu: Replace HQD terminology with slots naming
  drm/amdgpu: Add user queue instance count in HW IP info
  drm/amd/amdgpu: Add helper functions for isp buffers
  drm/amd/amdgpu: Initialize swnode for ISP MFD device
  ...

1 files changed, 29 insertions, 41 deletions

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index bccc88d25948..b5dd71f6a990 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -14,11 +14,13 @@
 
 #include <linux/clk.h>
 #include <linux/delay.h>
+#include <linux/export.h>
 #include <linux/irq.h>
 #include <linux/media-bus-format.h>
 #include <linux/of.h>
 #include <linux/phy/phy.h>
 #include <linux/platform_device.h>
+#include <linux/units.h>
 
 #include <video/mipi_display.h>
 
@@ -557,10 +559,6 @@ static void samsung_dsim_reset(struct samsung_dsim *dsi)
 	samsung_dsim_write(dsi, DSIM_SWRST_REG, reset_val);
 }
 
-#ifndef MHZ
-#define MHZ	(1000 * 1000)
-#endif
-
 static unsigned long samsung_dsim_pll_find_pms(struct samsung_dsim *dsi,
 					       unsigned long fin,
 					       unsigned long fout,
@@ -574,8 +572,8 @@ static unsigned long samsung_dsim_pll_find_pms(struct samsung_dsim *dsi,
 	u16 _m, best_m;
 	u8 _s, best_s;
 
-	p_min = DIV_ROUND_UP(fin, (driver_data->pll_fin_max * MHZ));
-	p_max = fin / (driver_data->pll_fin_min * MHZ);
+	p_min = DIV_ROUND_UP(fin, (driver_data->pll_fin_max * HZ_PER_MHZ));
+	p_max = fin / (driver_data->pll_fin_min * HZ_PER_MHZ);
 
 	for (_p = p_min; _p <= p_max; ++_p) {
 		for (_s = 0; _s <= 5; ++_s) {
@@ -590,8 +588,8 @@ static unsigned long samsung_dsim_pll_find_pms(struct samsung_dsim *dsi,
 
 			tmp = (u64)_m * fin;
 			do_div(tmp, _p);
-			if (tmp < driver_data->min_freq  * MHZ ||
-			    tmp > driver_data->max_freq * MHZ)
+			if (tmp < driver_data->min_freq  * HZ_PER_MHZ ||
+			    tmp > driver_data->max_freq * HZ_PER_MHZ)
 				continue;
 
 			tmp = (u64)_m * fin;
@@ -634,7 +632,7 @@ static unsigned long samsung_dsim_set_pll(struct samsung_dsim *dsi,
 		 * limit.
 		 */
 		fin = clk_get_rate(clk_get_parent(dsi->pll_clk));
-		while (fin > driver_data->pll_fin_max * MHZ)
+		while (fin > driver_data->pll_fin_max * HZ_PER_MHZ)
 			fin /= 2;
 		clk_set_rate(dsi->pll_clk, fin);
 
@@ -660,10 +658,11 @@ static unsigned long samsung_dsim_set_pll(struct samsung_dsim *dsi,
 
 	if (driver_data->has_freqband) {
 		static const unsigned long freq_bands[] = {
-			100 * MHZ, 120 * MHZ, 160 * MHZ, 200 * MHZ,
-			270 * MHZ, 320 * MHZ, 390 * MHZ, 450 * MHZ,
-			510 * MHZ, 560 * MHZ, 640 * MHZ, 690 * MHZ,
-			770 * MHZ, 870 * MHZ, 950 * MHZ,
+			100 * HZ_PER_MHZ, 120 * HZ_PER_MHZ, 160 * HZ_PER_MHZ,
+			200 * HZ_PER_MHZ, 270 * HZ_PER_MHZ, 320 * HZ_PER_MHZ,
+			390 * HZ_PER_MHZ, 450 * HZ_PER_MHZ, 510 * HZ_PER_MHZ,
+			560 * HZ_PER_MHZ, 640 * HZ_PER_MHZ, 690 * HZ_PER_MHZ,
+			770 * HZ_PER_MHZ, 870 * HZ_PER_MHZ, 950 * HZ_PER_MHZ,
 		};
 		int band;
 
@@ -723,7 +722,7 @@ static int samsung_dsim_enable_clock(struct samsung_dsim *dsi)
 	esc_div = DIV_ROUND_UP(byte_clk, dsi->esc_clk_rate);
 	esc_clk = byte_clk / esc_div;
 
-	if (esc_clk > 20 * MHZ) {
+	if (esc_clk > 20 * HZ_PER_MHZ) {
 		++esc_div;
 		esc_clk = byte_clk / esc_div;
 	}
@@ -898,8 +897,6 @@ static int samsung_dsim_init_link(struct samsung_dsim *dsi)
 		 * The user manual describes that following bits are ignored in
 		 * command mode.
 		 */
-		if (!(dsi->mode_flags & MIPI_DSI_MODE_VSYNC_FLUSH))
-			reg |= DSIM_MFLUSH_VS;
 		if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)
 			reg |= DSIM_SYNC_INFORM;
 		if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST)
@@ -1235,43 +1232,34 @@ static void samsung_dsim_transfer_start(struct samsung_dsim *dsi)
 {
 	unsigned long flags;
 	struct samsung_dsim_transfer *xfer;
-	bool start = false;
 
-again:
 	spin_lock_irqsave(&dsi->transfer_lock, flags);
 
-	if (list_empty(&dsi->transfer_list)) {
-		spin_unlock_irqrestore(&dsi->transfer_lock, flags);
-		return;
-	}
+	while (!list_empty(&dsi->transfer_list)) {
+		xfer = list_first_entry(&dsi->transfer_list,
+					struct samsung_dsim_transfer, list);
 
-	xfer = list_first_entry(&dsi->transfer_list,
-				struct samsung_dsim_transfer, list);
-
-	spin_unlock_irqrestore(&dsi->transfer_lock, flags);
+		spin_unlock_irqrestore(&dsi->transfer_lock, flags);
 
-	if (xfer->packet.payload_length &&
-	    xfer->tx_done == xfer->packet.payload_length)
-		/* waiting for RX */
-		return;
+		if (xfer->packet.payload_length &&
+		    xfer->tx_done == xfer->packet.payload_length)
+			/* waiting for RX */
+			return;
 
-	samsung_dsim_send_to_fifo(dsi, xfer);
+		samsung_dsim_send_to_fifo(dsi, xfer);
 
-	if (xfer->packet.payload_length || xfer->rx_len)
-		return;
+		if (xfer->packet.payload_length || xfer->rx_len)
+			return;
 
-	xfer->result = 0;
-	complete(&xfer->completed);
+		xfer->result = 0;
+		complete(&xfer->completed);
 
-	spin_lock_irqsave(&dsi->transfer_lock, flags);
+		spin_lock_irqsave(&dsi->transfer_lock, flags);
 
-	list_del_init(&xfer->list);
-	start = !list_empty(&dsi->transfer_list);
+		list_del_init(&xfer->list);
+	}
 
 	spin_unlock_irqrestore(&dsi->transfer_lock, flags);
-
-	if (start)
-		goto again;
 }
 
 static bool samsung_dsim_transfer_finish(struct samsung_dsim *dsi)