Merge tag 'drm-next-2026-08-20' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "Highlights:

   - dmemcg eviction support is good for low VRAM things like Steam
     Machine

   - AMD adds gfx6-8 modifier support for older GPUs that enables a
     bunch of wayland stuff

   - i915/xe has some new hw support but also a lot of display
     refactoring

  Everything:

  perf:
   - export perf_allow_ APIs for xe

  udmabuf:
   - remove default size limit of 64MB

  rust:
   - i/o rework (signed tag from driver-core tree)
   - add registration guard and registration data
   - fix unbounded lifetimes in ioctl handler args
   - fix a drm_dev_register race
   - gem_shmem: add DmaResvGuard helper
   - gpuvm: require send/sync for driver data
       - implement send/sync for GpuVaAlloc and GpuVmBo
       - add SmContext lifetime
   - rename dma_handle to dma_address
   - change pci_sriov_get_totalvfs return to unsigned int

  core:
   - create drm_of_get_panel_orientation
   - send per-connector hotplug events
   - add thunderbolt UBHR tunneling support

  connector:
   - add color format property

  dmem:
   - introduce a peak file
   - accept one region per limit
   - add dmemcg support for eviction

  gpusvm:
   - reorg code to give drivers more flexibility

  atomic:
   - add create_state callback and helper
   - add documentation on atomic commit lifetime

  buddy:
   - add per-order free
   - add used block scoreboard
   - fix UAF
   - test buffer clearance on resume
   - add phys_addr->block helper

  gem:
   - drop DRIVER_GEM_GPUVA flag

  ttm:
   - be more aggressive allocating below protection limit

  sched:
   - add test suite for concurrent job submissions

  hdmi:
   - hook the color format property in helpers

  mipi-dsi:
   - add MIPI_DSI_MODE_DSC_ALL_SLICES_IN_PKT

  bridge:
   - add atomic create callbacks
   - drop atomic reset
   - display-connector: don't autoenable HPD IRQ
   - trigger initial HPD for DP
   - ti-sn65dsi83: remove NO_HFP and NO_HBP mode flags
   - analogix_dp: switch to DP link training helpers

  dp:
   - add support for DSC max delta BPP

  edid:
   - parse panel type from DisplayID 2.x Display Parameters

  sysfb:
   - improve panel, stride, framebuffer size validation

  panel:
   - implement ref counting for struct drm_panel
   - himax-hx83121a: add backlight regulator support
   - novatek-nt36672a: Inline panel init sequences
   - visionox-vtdr6130: enable DSC
   - novatek-nt37801: Use mipi_dsi_*_multi() functions
   - samsung-s6d16d0: Fix prepare error handling
   - support Novatek NT36536 plus DT bindings
   - sofef00: fix backlight updates
   - osd101t2587: use mipi_dsi_*_multi interface
   - panel-edp: adjust timing for AUO displays
   - panel-lvds: support Opto Logic SCX1001511GGC49
   - panel-simple: support Kyocera tcg070wvlq
   - panel-edp: quirks
       - AUO B116XAT04.3, CMN N116BCP-EA2, CSW MNB601LS1-8
       - BOE NV116WH2-M30, BOE NT116WHM-N21, BOE NV116FH1-M31
       - BOE NV116FH1-M30, NV140FHM-N5B, TM156VDXP25
       - BOE NE160QDM-NY1, MB116AS01
   - new:
       - Samsung ATNA40HQ08-0, Anbernic TD4310
       - Chipone ICNA35XX, Ilitek ILI9488
       - Ilitek ILI7807S, Renesas R63419
       - MNE001BS6-2, MNF601BS4-1, Sharp LQ120P1JX51

  virtio:
   - add support for save/restore virtio_gpu_objects
   - abort vq wait on device removal

  amdgpu:
   - add color format DRM property
   - initial compute pipe reset support
   - add GFX 6-8 modifier support
   - initial DCN 6.0.0 support
   - dmemcg eviction support
   - improved boundary checking for bios parsing
   - RAS updates and rework
   - VCN secure submission fixes
   - 8K panel fix
   - Display KUNIT tests
   - parse panel type from DisplayID
   - Align IP discovery to pci device lifetime
   - SOC15 register macro cleanups
   - UVD memory placement fixes
   - GFX9 mode2 reset fixes
   - drop unnecessary BUG/BUG_ON
   - GFX8 soft reset rework
   - enable soft reset on GFX8
   - PSP/SMU 15.0.9 update
   - VI ASPM fix
   - userq fixes
   - amdgpu_vm_get_task_info_pasid lifetime fix
   - DC CACP support
   - change system_unbound_wq with system_dfl_wq
   - Loosen VFCT bios parsing to deal with pci=realloc
   - SI/SMU7 AC/DC switch fix
   - VM fence handling fix
   - GEM close optimisation
   - Apple Studio Display fixes
   - DC FRL fixes

  amdkfd:
   - initial compute pipe reset support
   - allow applications to opt out of sigbus on fatal errors
   - improve CRIU boundary checks
   - MQD handling rework
   - move TBA/TMA from system to device memory
   - avoid topology-lock in kfd_mmap
   - SVM eviction fixes

  radeon:
   - fix unset CONFIG_ACPI build

  i915:
   - Novalake (NVL display version 35) timing generator enabling
   - NVL DC3CO enabling
   - enable UBHR link rates on thunderbolt tunnels
   - Reduce Xe3+ PM demand peak bandwidth
   - enable pipe DMC error interrupts for display 30+
   - add kunit tests for DP link config selection
   - refactor and document DP link recovery
   - i915/xe driver display probe/remove/suspend/resume/shutdown cleanup
     and unification
   - i915/xe display runtime PM unified
   - Break i915 and xe panic dependency on struct intel_framebuffer
   - Streamline Pre/Post-CSC LUT loops
   - drop TGL DC3DO support
   - CDCLK santization
   - fix HDMI scrambling enable
   - fix phys bo pread/pwrite with offset
   - add missing nospec on parallel submit slot
   - fix some NULL derefs

  xe:
   - drop force_execlist module param
   - gate observation streams with perf_allow_cpu
   - skip FORCE_WC and vm_bound check for external dma-bufs
   - dmemcg eviction support
   - remove unused NVL-S GuC
   - TLB invalidation improvements
   - NVL-S updated PCI-IDs and w/a
   - madvise: optimise invalidation path
   - fix infinite gt-reset loop in timeout recovery
   - update TTM device benefical_order
   - wait on external BO kernel fences in exec ioctl
   - add/use more KLV helpers
   - sriov: disable display in admin only PF mode
   - add RAS GPU health indicator
   - optimise TTM populate for DONTNEED BO
   - drop force_probe for NVL-s
   - add debugfs for pcode info

  amdxdna:
   - disable device buffer export

  nova:
   - build nova-core/nova-drm from drivers/gpu
   - export nova-core rust symbols (workaround)
   - GSP boot process consolidation
   - Boot GSP with vGPU enabled
   - TLV firmware image format support
   - Hopper/Blackwell fixes and cleanups
   - I/O projection adoption

  tyr:
   - firmware loading and MCU boot
   - add generic slot manager + MMU
   - GPU VM support ARM64 LPAE page tables
   - add kernel buffer object for internal allocations
   - add parser for Mali CSF
   - add MCU booting

  nouveau:
   - race fixes
   - check instmem iomapping at first use
   - add dmemcg support
   - expose NVDEC channels
   - add scanline position/head state support for GSP

  qxl:
   - convert simple encoder to regular

  ethosu:
   - add perf counter support

  etnaviv:
   - force flush on power register ops

  msm:
   - support DSC configuration with slice_per_pkt > 1

  mxsfb:
   - fix disable sequence

  panthor:
   - support sparse mappings

  rockchip:
   - switch away from simple helpers
   - support YUV background color
   - fix layer config timeout
   - add edp support for rk3576
   - add batch command submission function

  rocket:
   - error handling and NULL ptr deref fixes

  sun4i:
   - switch away from simple helpers

  imagination:
   - mark BXM-4-64 MC1 as support

  host1x:
   - support tegra264

  tegra:
   - add DSI for tegra 20/30

  v3d:
   - reduce PM runtime autosuspend delay
   - scheduler fixes and refactoring
   - deprecate v3d 3.3 and 4.1
   - validate CPU job query boundaries

  hibmc:
   - improve plane format handling
   - switch to gem shmem

  mediatek:
   - cec: correct compat for mt7623-8167?

  exynos:
   - remove simple dependency
   - add error handling to encoder paths
   - take i2c adapter module reference"

* tag 'drm-next-2026-08-20' of https://gitlab.freedesktop.org/drm/kernel: (2074 commits)
  drm/xe/mcr: Take vcs1/vecs1 into account for first media slice
  drm/xe: Fix a bug in pc_adjust_freq_bounds()
  drm/xe: Fix xe_device_probe() failure
  drm/xe/drm_ras: Move has_drm_ras check to drm_ras layer
  drm/xe/ras: Fix boot-time ras error processing
  drm/amd/display: make DC_RUN_WITH_PREEMPTION_ENABLED misuse a build error
  drm/amd/pm: silence uninitialized variable warnings
  drm/amdgpu: skip BOs being torn down during GTT recovery
  drm/amdgpu: Reject UVD message with invalid number of h265 refs
  drm/amdgpu: keep PRT mappings off the vm_bo state lists
  drm/amdgpu: fix nbif 6.3.1 l1 low power not functional
  drm/amd/display: fix BT.2020 YCbCr output CSC matrices for DCE
  drm/amd/display: fix BT.2020 YCbCr limited output CSC matrix
  drm/amdgpu: Implement insert_end for VCE 3
  drm/amdgpu: Fix UVD min buffer sizes
  drm/amdgpu: Fix UVD decode image min size calculation
  drm/amdgpu: Fix UVD dpb min size calculation for H264
  drm/amdgpu: Reject UVD message with dimensions above 4096
  drm/amdgpu: check ASPM on the dGPU host link
  drm/radeon: fix autosuspend cleanup during teardown
  ...

6 files changed, 90 insertions, 18 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index b80540328150..e1c9e2946b8a 100644
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -24,11 +24,11 @@
 #include <drm/drm_bridge.h>
 #include <drm/drm_bridge_connector.h>
 #include <drm/drm_crtc.h>
+#include <drm/drm_encoder.h>
 #include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
 #include <drm/exynos_drm.h>
 
 #include "exynos_drm_crtc.h"
@@ -79,6 +79,10 @@ static void exynos_dp_nop(struct drm_encoder *encoder)
 	/* do nothing */
 }
 
+static const struct drm_encoder_funcs exynos_dp_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
 static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
 	.mode_set = exynos_dp_mode_set,
 	.enable = exynos_dp_nop,
@@ -95,7 +99,12 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
 
 	dp->drm_dev = drm_dev;
 
-	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
+	ret = drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
+			       DRM_MODE_ENCODER_TMDS, NULL);
+	if (ret) {
+		dev_err(dp->dev, "Failed to initialize encoder\n");
+		return ret;
+	}
 
 	drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
 
@@ -182,8 +191,15 @@ static int exynos_dp_probe(struct platform_device *pdev)
 
 out:
 	dp->adp = analogix_dp_probe(dev, &dp->plat_data);
-	if (IS_ERR(dp->adp))
+	if (IS_ERR(dp->adp)) {
+		/*
+		 * The driver core does not invoke remove() for failed probes,
+		 * so release the probe-time panel reference here.
+		 */
+		if (dp->plat_data.panel)
+			drm_panel_put(dp->plat_data.panel);
 		return PTR_ERR(dp->adp);
+	}
 
 	if (dp->plat_data.panel || dp->plat_data.next_bridge)
 		return component_add(&pdev->dev, &exynos_dp_ops);
@@ -193,6 +209,16 @@ out:
 
 static void exynos_dp_remove(struct platform_device *pdev)
 {
+	struct exynos_dp_device *dp = platform_get_drvdata(pdev);
+
+	/*
+	 * Release the probe-time reference from of_drm_find_panel(). If bind
+	 * ran, the panel_bridge holds a second reference that devm cleanup
+	 * will release when the bridge is destroyed after remove() returns.
+	 */
+	if (dp->plat_data.panel)
+		drm_panel_put(dp->plat_data.panel);
+
 	component_del(&pdev->dev, &exynos_dp_ops);
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index 0dc36df6ada3..0683236aa5df 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -12,10 +12,10 @@
 #include <linux/regulator/consumer.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_encoder.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
 
 #include <video/of_videomode.h>
 #include <video/videomode.h>
@@ -140,6 +140,10 @@ static void exynos_dpi_disable(struct drm_encoder *encoder)
 	}
 }
 
+static const struct drm_encoder_funcs exynos_dpi_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
 static const struct drm_encoder_helper_funcs exynos_dpi_encoder_helper_funcs = {
 	.mode_set = exynos_dpi_mode_set,
 	.enable = exynos_dpi_enable,
@@ -194,7 +198,13 @@ int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder)
 {
 	int ret;
 
-	drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
+	ret = drm_encoder_init(dev, encoder, &exynos_dpi_encoder_funcs,
+			       DRM_MODE_ENCODER_TMDS, NULL);
+	if (ret) {
+		DRM_DEV_ERROR(encoder_to_dpi(encoder)->dev,
+			      "failed to create encoder ret = %d\n", ret);
+		return ret;
+	}
 
 	drm_encoder_helper_add(encoder, &exynos_dpi_encoder_helper_funcs);
 
@@ -245,5 +255,8 @@ int exynos_dpi_remove(struct drm_encoder *encoder)
 
 	exynos_dpi_disable(&ctx->encoder);
 
+	if (ctx->panel)
+		drm_panel_put(ctx->panel);
+
 	return 0;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index c4d098ab7863..2f83f3249242 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -12,8 +12,8 @@
 #include <linux/platform_device.h>
 
 #include <drm/bridge/samsung-dsim.h>
+#include <drm/drm_encoder.h>
 #include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
 
 #include "exynos_drm_crtc.h"
 #include "exynos_drm_drv.h"
@@ -22,6 +22,10 @@ struct exynos_dsi {
 	struct drm_encoder encoder;
 };
 
+static const struct drm_encoder_funcs exynos_drm_dsi_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
 static irqreturn_t exynos_dsi_te_irq_handler(struct samsung_dsim *dsim)
 {
 	struct exynos_dsi *dsi = dsim->priv;
@@ -79,7 +83,10 @@ static int exynos_dsi_bind(struct device *dev, struct device *master, void *data
 	struct drm_device *drm_dev = data;
 	int ret;
 
-	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
+	ret = drm_encoder_init(drm_dev, encoder, &exynos_drm_dsi_encoder_funcs,
+			       DRM_MODE_ENCODER_TMDS, NULL);
+	if (ret)
+		return ret;
 
 	ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_LCD);
 	if (ret < 0)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index e68c954ec3e6..3069f958137f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -21,6 +21,7 @@
 #include <video/of_videomode.h>
 #include <video/videomode.h>
 
+#include <drm/drm_atomic_state_helper.h>
 #include <drm/drm_bridge.h>
 #include <drm/drm_encoder.h>
 #include <drm/drm_print.h>
@@ -228,7 +229,8 @@ static void mic_set_reg_on(struct exynos_mic *mic, bool enable)
 	writel(reg, mic->reg + MIC_OP);
 }
 
-static void mic_post_disable(struct drm_bridge *bridge)
+static void mic_post_disable(struct drm_bridge *bridge,
+			     struct drm_atomic_commit *commit)
 {
 	struct exynos_mic *mic = bridge->driver_private;
 
@@ -257,7 +259,8 @@ static void mic_mode_set(struct drm_bridge *bridge,
 	mutex_unlock(&mic_mutex);
 }
 
-static void mic_pre_enable(struct drm_bridge *bridge)
+static void mic_pre_enable(struct drm_bridge *bridge,
+			   struct drm_atomic_commit *commit)
 {
 	struct exynos_mic *mic = bridge->driver_private;
 	int ret;
@@ -295,9 +298,12 @@ unlock:
 }
 
 static const struct drm_bridge_funcs mic_bridge_funcs = {
-	.post_disable = mic_post_disable,
+	.atomic_create_state = drm_atomic_helper_bridge_create_state,
+	.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
+	.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
+	.atomic_post_disable = mic_post_disable,
 	.mode_set = mic_mode_set,
-	.pre_enable = mic_pre_enable,
+	.atomic_pre_enable = mic_pre_enable,
 };
 
 static int exynos_mic_bind(struct device *dev, struct device *master,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 67bbf9b8bc0e..59dea853d364 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -13,10 +13,10 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_encoder.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_vblank.h>
 #include <drm/exynos_drm.h>
 
@@ -403,6 +403,10 @@ static void exynos_vidi_disable(struct drm_encoder *encoder)
 {
 }
 
+static const struct drm_encoder_funcs exynos_vidi_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
 static const struct drm_encoder_helper_funcs exynos_vidi_encoder_helper_funcs = {
 	.mode_set = exynos_vidi_mode_set,
 	.enable = exynos_vidi_enable,
@@ -445,7 +449,13 @@ static int vidi_bind(struct device *dev, struct device *master, void *data)
 		return PTR_ERR(ctx->crtc);
 	}
 
-	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
+	ret = drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs,
+			       DRM_MODE_ENCODER_TMDS, NULL);
+	if (ret) {
+		DRM_DEV_ERROR(dev, "failed to initialize encoder ret = %d\n",
+			      ret);
+		return ret;
+	}
 
 	drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs);
 
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 09b2cabb236f..d4fce39c2b61 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -36,9 +36,9 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_bridge.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_encoder.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
 
 #include "exynos_drm_crtc.h"
 #include "regs-hdmi.h"
@@ -1575,6 +1575,10 @@ static void hdmi_disable(struct drm_encoder *encoder)
 	mutex_unlock(&hdata->mutex);
 }
 
+static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
 	.mode_fixup	= hdmi_mode_fixup,
 	.enable		= hdmi_enable,
@@ -1862,7 +1866,13 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
 
 	hdata->phy_clk.enable = hdmiphy_clk_enable;
 
-	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
+	ret = drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
+			       DRM_MODE_ENCODER_TMDS, NULL);
+	if (ret) {
+		DRM_DEV_ERROR(dev, "failed to initialize encoder ret = %d\n",
+			      ret);
+		return ret;
+	}
 
 	drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
 
@@ -1913,7 +1923,7 @@ static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
 		return -ENODEV;
 	}
 
-	adpt = of_find_i2c_adapter_by_node(np);
+	adpt = of_get_i2c_adapter_by_node(np);
 	of_node_put(np);
 
 	if (!adpt) {
@@ -2069,7 +2079,7 @@ err_hdmiphy:
 	if (hdata->regs_hdmiphy)
 		iounmap(hdata->regs_hdmiphy);
 err_ddc:
-	put_device(&hdata->ddc_adpt->dev);
+	i2c_put_adapter(hdata->ddc_adpt);
 
 	return ret;
 }
@@ -2094,7 +2104,7 @@ static void hdmi_remove(struct platform_device *pdev)
 	if (hdata->regs_hdmiphy)
 		iounmap(hdata->regs_hdmiphy);
 
-	put_device(&hdata->ddc_adpt->dev);
+	i2c_put_adapter(hdata->ddc_adpt);
 
 	drm_bridge_put(hdata->bridge);