Merge tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "The drm core grew a new generic gpu virtual address manager, and new
  execution locking helpers. These are used by nouveau now to provide
  uAPI support for the userspace Vulkan driver. AMD had a bunch of new
  IP core support, loads of refactoring around fbdev, but mostly just
  the usual amount of stuff across the board.

  core:
   - fix gfp flags in drmm_kmalloc

  gpuva:
   - add new generic GPU VA manager (for nouveau initially)

  syncobj:
   - add new DRM_IOCTL_SYNCOBJ_EVENTFD ioctl

  dma-buf:
   - acquire resv lock for mmap() in exporters
   - support dma-buf self import automatically
   - docs fixes

  backlight:
   - fix fbdev interactions

  atomic:
   - improve logging

  prime:
   - remove struct gem_prim_mmap plus driver updates

  gem:
   - drm_exec: add locking over multiple GEM objects
   - fix lockdep checking

  fbdev:
   - make fbdev userspace interfaces optional
   - use linux device instead of fbdev device
   - use deferred i/o helper macros in various drivers
   - Make FB core selectable without drivers
   - Remove obsolete flags FBINFO_DEFAULT and FBINFO_FLAG_DEFAULT
   - Add helper macros and Kconfig tokens for DMA-allocated framebuffer

  ttm:
   - support init_on_free
   - swapout fixes

  panel:
   - panel-edp: Support AUO B116XAB01.4
   - Support Visionox R66451 plus DT bindings
   - ld9040:
      - Backlight support
      - magic improved
      - Kconfig fix
   - Convert to of_device_get_match_data()
   - Fix Kconfig dependencies
   - simple:
      - Set bpc value to fix warning
      - Set connector type for AUO T215HVN01
      - Support Innolux G156HCE-L01 plus DT bindings
   - ili9881: Support TDO TL050HDV35 LCD panel plus DT bindings
   - startek: Support KD070FHFID015 MIPI-DSI panel plus DT bindings
   - sitronix-st7789v:
      - Support Inanbo T28CP45TN89 plus DT bindings
      - Support EDT ET028013DMA plus DT bindings
      - Various cleanups
   - edp: Add timings for N140HCA-EAC
   - Allow panels and touchscreens to power sequence together
   - Fix Innolux G156HCE-L01 LVDS clock

  bridge:
   - debugfs for chains support
   - dw-hdmi:
      - Improve support for YUV420 bus format
      - CEC suspend/resume
      - update EDID on HDMI detect
   - dw-mipi-dsi: Fix enable/disable of DSI controller
   - lt9611uxc: Use MODULE_FIRMWARE()
   - ps8640: Remove broken EDID code
   - samsung-dsim: Fix command transfer
   - tc358764:
      - Handle HS/VS polarity
      - Use BIT() macro
      - Various cleanups
   - adv7511: Fix low refresh rate
   - anx7625:
      - Switch to macros instead of hardcoded values
      - locking fixes
   - tc358767: fix hardware delays
   - sitronix-st7789v:
      - Support panel orientation
      - Support rotation property
      - Add support for Jasonic JT240MHQS-HWT-EK-E3 plus DT bindings

  amdgpu:
   - SDMA 6.1.0 support
   - HDP 6.1 support
   - SMUIO 14.0 support
   - PSP 14.0 support
   - IH 6.1 support
   - Lots of checkpatch cleanups
   - GFX 9.4.3 updates
   - Add USB PD and IFWI flashing documentation
   - GPUVM updates
   - RAS fixes
   - DRR fixes
   - FAMS fixes
   - Virtual display fixes
   - Soft IH fixes
   - SMU13 fixes
   - Rework PSP firmware loading for other IPs
   - Kernel doc fixes
   - DCN 3.0.1 fixes
   - LTTPR fixes
   - DP MST fixes
   - DCN 3.1.6 fixes
   - SMU 13.x fixes
   - PSP 13.x fixes
   - SubVP fixes
   - GC 9.4.3 fixes
   - Display bandwidth calculation fixes
   - VCN4 secure submission fixes
   - Allow building DC on RISC-V
   - Add visible FB info to bo_print_info
   - HBR3 fixes
   - GFX9 MCBP fix
   - GMC10 vmhub index fix
   - GMC11 vmhub index fix
   - Create a new doorbell manager
   - SR-IOV fixes
   - initial freesync panel replay support
   - revert zpos properly until igt regression is fixeed
   - use TTM to manage doorbell BAR
   - Expose both current and average power via hwmon if supported

  amdkfd:
   - Cleanup CRIU dma-buf handling
   - Use KIQ to unmap HIQ
   - GFX 9.4.3 debugger updates
   - GFX 9.4.2 debugger fixes
   - Enable cooperative groups fof gfx11
   - SVM fixes
   - Convert older APUs to use dGPU path like newer APUs
   - Drop IOMMUv2 path as it is no longer used
   - TBA fix for aldebaran

  i915:
   - ICL+ DSI modeset sequence
   - HDCP improvements
   - MTL display fixes and cleanups
   - HSW/BDW PSR1 restored
   - Init DDI ports in VBT order
   - General display refactors
   - Start using plane scale factor for relative data rate
   - Use shmem for dpt objects
   - Expose RPS thresholds in sysfs
   - Apply GuC SLPC min frequency softlimit correctly
   - Extend Wa_14015795083 to TGL, RKL, DG1 and ADL
   - Fix a VMA UAF for multi-gt platform
   - Do not use stolen on MTL due to HW bug
   - Check HuC and GuC version compatibility on MTL
   - avoid infinite GPU waits due to premature release of request memory
   - Fixes and updates for GSC memory allocation
   - Display SDVO fixes
   - Take stolen handling out of FBC code
   - Make i915_coherent_map_type GT-centric
   - Simplify shmem_create_from_object map_type

  msm:
   - SM6125 MDSS support
   - DPU: SM6125 DPU support
   - DSI: runtime PM support, burst mode support
   - DSI PHY: SM6125 support in 14nm DSI PHY driver
   - GPU: prepare for a7xx
   - fix a690 firmware
   - disable relocs on a6xx and newer

  radeon:
   - Lots of checkpatch cleanups

  ast:
   - improve device-model detection
   - Represent BMV as virtual connector
   - Report DP connection status

  nouveau:
   - add new exec/bind interface to support Vulkan
   - document some getparam ioctls
   - improve VRAM detection
   - various fixes/cleanups
   - workraound DPCD issues

  ivpu:
   - MMU updates
   - debugfs support
   - Support vpu4

  virtio:
   - add sync object support

  atmel-hlcdc:
   - Support inverted pixclock polarity

  etnaviv:
   - runtime PM cleanups
   - hang handling fixes

  exynos:
   - use fbdev DMA helpers
   - fix possible NULL ptr dereference

  komeda:
   - always attach encoder

  omapdrm:
   - use fbdev DMA helpers
ingenic:
   - kconfig regmap fixes

  loongson:
   - support display controller

  mediatek:
   - Small mtk-dpi cleanups
   - DisplayPort: support eDP and aux-bus
   - Fix coverity issues
   - Fix potential memory leak if vmap() fail

  mgag200:
   - minor fixes

  mxsfb:
   - support disabling overlay planes

  panfrost:
   - fix sync in IRQ handling

  ssd130x:
   - Support per-controller default resolution plus DT bindings
   - Reduce memory-allocation overhead
   - Improve intermediate buffer size computation
   - Fix allocation of temporary buffers
   - Fix pitch computation
   - Fix shadow plane allocation

  tegra:
   - use fbdev DMA helpers
   - Convert to devm_platform_ioremap_resource()
   - support bridge/connector
   - enable PM

  tidss:
   - Support TI AM625 plus DT bindings
   - Implement new connector model plus driver updates

  vkms:
   - improve write back support
   - docs fixes
   - support gamma LUT

  zynqmp-dpsub:
   - misc fixes"

* tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm: (1327 commits)
  drm/gpuva_mgr: remove unused prev pointer in __drm_gpuva_sm_map()
  drm/tests/drm_kunit_helpers: Place correct function name in the comment header
  drm/nouveau: uapi: don't pass NO_PREFETCH flag implicitly
  drm/nouveau: uvmm: fix unset region pointer on remap
  drm/nouveau: sched: avoid job races between entities
  drm/i915: Fix HPD polling, reenabling the output poll work as needed
  drm: Add an HPD poll helper to reschedule the poll work
  drm/i915: Fix TLB-Invalidation seqno store
  drm/ttm/tests: Fix type conversion in ttm_pool_test
  drm/msm/a6xx: Bail out early if setting GPU OOB fails
  drm/msm/a6xx: Move LLC accessors to the common header
  drm/msm/a6xx: Introduce a6xx_llc_read
  drm/ttm/tests: Require MMU when testing
  drm/panel: simple: Fix Innolux G156HCE-L01 LVDS clock
  Revert "Revert "drm/amdgpu/display: change pipe policy for DCN 2.0""
  drm/amdgpu: Add memory vendor information
  drm/amd: flush any delayed gfxoff on suspend entry
  drm/amdgpu: skip fence GFX interrupts disable/enable for S0ix
  drm/amdgpu: Remove gfxoff check in GFX v9.4.3
  drm/amd/pm: Update pci link speed for smu v13.0.6
  ...

1 files changed, 793 insertions, 0 deletions

diff --git a/drivers/gpu/drm/loongson/lsdc_plane.c b/drivers/gpu/drm/loongson/lsdc_plane.c
new file mode 100644
index 000000000000..0d5094633222
--- /dev/null
+++ b/drivers/gpu/drm/loongson/lsdc_plane.c
@@ -0,0 +1,793 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023 Loongson Technology Corporation Limited
+ */
+
+#include <linux/delay.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
+
+#include "lsdc_drv.h"
+#include "lsdc_regs.h"
+#include "lsdc_ttm.h"
+
+static const u32 lsdc_primary_formats[] = {
+	DRM_FORMAT_XRGB8888,
+};
+
+static const u32 lsdc_cursor_formats[] = {
+	DRM_FORMAT_ARGB8888,
+};
+
+static const u64 lsdc_fb_format_modifiers[] = {
+	DRM_FORMAT_MOD_LINEAR,
+	DRM_FORMAT_MOD_INVALID
+};
+
+static unsigned int lsdc_get_fb_offset(struct drm_framebuffer *fb,
+				       struct drm_plane_state *state)
+{
+	unsigned int offset = fb->offsets[0];
+
+	offset += fb->format->cpp[0] * (state->src_x >> 16);
+	offset += fb->pitches[0] * (state->src_y >> 16);
+
+	return offset;
+}
+
+static u64 lsdc_fb_base_addr(struct drm_framebuffer *fb)
+{
+	struct lsdc_device *ldev = to_lsdc(fb->dev);
+	struct lsdc_bo *lbo = gem_to_lsdc_bo(fb->obj[0]);
+
+	return lsdc_bo_gpu_offset(lbo) + ldev->vram_base;
+}
+
+static int lsdc_primary_atomic_check(struct drm_plane *plane,
+				     struct drm_atomic_state *state)
+{
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+	struct drm_crtc *crtc = new_plane_state->crtc;
+	struct drm_crtc_state *new_crtc_state;
+
+	if (!crtc)
+		return 0;
+
+	new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   new_crtc_state,
+						   DRM_PLANE_NO_SCALING,
+						   DRM_PLANE_NO_SCALING,
+						   false, true);
+}
+
+static void lsdc_primary_atomic_update(struct drm_plane *plane,
+				       struct drm_atomic_state *state)
+{
+	struct lsdc_primary *primary = to_lsdc_primary(plane);
+	const struct lsdc_primary_plane_ops *ops = primary->ops;
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+	struct drm_framebuffer *new_fb = new_plane_state->fb;
+	struct drm_framebuffer *old_fb = old_plane_state->fb;
+	u64 fb_addr = lsdc_fb_base_addr(new_fb);
+
+	fb_addr += lsdc_get_fb_offset(new_fb, new_plane_state);
+
+	ops->update_fb_addr(primary, fb_addr);
+	ops->update_fb_stride(primary, new_fb->pitches[0]);
+
+	if (!old_fb || old_fb->format != new_fb->format)
+		ops->update_fb_format(primary, new_fb->format);
+}
+
+static void lsdc_primary_atomic_disable(struct drm_plane *plane,
+					struct drm_atomic_state *state)
+{
+	/*
+	 * Do nothing, just prevent call into atomic_update().
+	 * Writing the format as LSDC_PF_NONE can disable the primary,
+	 * But it seems not necessary...
+	 */
+	drm_dbg(plane->dev, "%s disabled\n", plane->name);
+}
+
+static int lsdc_plane_prepare_fb(struct drm_plane *plane,
+				 struct drm_plane_state *new_state)
+{
+	struct drm_framebuffer *fb = new_state->fb;
+	struct lsdc_bo *lbo;
+	u64 gpu_vaddr;
+	int ret;
+
+	if (!fb)
+		return 0;
+
+	lbo = gem_to_lsdc_bo(fb->obj[0]);
+
+	ret = lsdc_bo_reserve(lbo);
+	if (unlikely(ret)) {
+		drm_err(plane->dev, "bo %p reserve failed\n", lbo);
+		return ret;
+	}
+
+	ret = lsdc_bo_pin(lbo, LSDC_GEM_DOMAIN_VRAM, &gpu_vaddr);
+
+	lsdc_bo_unreserve(lbo);
+
+	if (unlikely(ret)) {
+		drm_err(plane->dev, "bo %p pin failed\n", lbo);
+		return ret;
+	}
+
+	lsdc_bo_ref(lbo);
+
+	if (plane->type != DRM_PLANE_TYPE_CURSOR)
+		drm_dbg(plane->dev,
+			"%s[%p] pin at 0x%llx, bo size: %zu\n",
+			plane->name, lbo, gpu_vaddr, lsdc_bo_size(lbo));
+
+	return drm_gem_plane_helper_prepare_fb(plane, new_state);
+}
+
+static void lsdc_plane_cleanup_fb(struct drm_plane *plane,
+				  struct drm_plane_state *old_state)
+{
+	struct drm_framebuffer *fb = old_state->fb;
+	struct lsdc_bo *lbo;
+	int ret;
+
+	if (!fb)
+		return;
+
+	lbo = gem_to_lsdc_bo(fb->obj[0]);
+
+	ret = lsdc_bo_reserve(lbo);
+	if (unlikely(ret)) {
+		drm_err(plane->dev, "%p reserve failed\n", lbo);
+		return;
+	}
+
+	lsdc_bo_unpin(lbo);
+
+	lsdc_bo_unreserve(lbo);
+
+	lsdc_bo_unref(lbo);
+
+	if (plane->type != DRM_PLANE_TYPE_CURSOR)
+		drm_dbg(plane->dev, "%s unpin\n", plane->name);
+}
+
+static const struct drm_plane_helper_funcs lsdc_primary_helper_funcs = {
+	.prepare_fb = lsdc_plane_prepare_fb,
+	.cleanup_fb = lsdc_plane_cleanup_fb,
+	.atomic_check = lsdc_primary_atomic_check,
+	.atomic_update = lsdc_primary_atomic_update,
+	.atomic_disable = lsdc_primary_atomic_disable,
+};
+
+static int lsdc_cursor_plane_atomic_async_check(struct drm_plane *plane,
+						struct drm_atomic_state *state)
+{
+	struct drm_plane_state *new_state;
+	struct drm_crtc_state *crtc_state;
+
+	new_state = drm_atomic_get_new_plane_state(state, plane);
+
+	if (!plane->state || !plane->state->fb) {
+		drm_dbg(plane->dev, "%s: state is NULL\n", plane->name);
+		return -EINVAL;
+	}
+
+	if (new_state->crtc_w != new_state->crtc_h) {
+		drm_dbg(plane->dev, "unsupported cursor size: %ux%u\n",
+			new_state->crtc_w, new_state->crtc_h);
+		return -EINVAL;
+	}
+
+	if (new_state->crtc_w != 64 && new_state->crtc_w != 32) {
+		drm_dbg(plane->dev, "unsupported cursor size: %ux%u\n",
+			new_state->crtc_w, new_state->crtc_h);
+		return -EINVAL;
+	}
+
+	crtc_state = drm_atomic_get_existing_crtc_state(state, new_state->crtc);
+	if (!crtc_state->active)
+		return -EINVAL;
+
+	if (plane->state->crtc != new_state->crtc ||
+	    plane->state->src_w != new_state->src_w ||
+	    plane->state->src_h != new_state->src_h ||
+	    plane->state->crtc_w != new_state->crtc_w ||
+	    plane->state->crtc_h != new_state->crtc_h)
+		return -EINVAL;
+
+	if (new_state->visible != plane->state->visible)
+		return -EINVAL;
+
+	return drm_atomic_helper_check_plane_state(plane->state,
+						   crtc_state,
+						   DRM_PLANE_NO_SCALING,
+						   DRM_PLANE_NO_SCALING,
+						   true, true);
+}
+
+static void lsdc_cursor_plane_atomic_async_update(struct drm_plane *plane,
+						  struct drm_atomic_state *state)
+{
+	struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
+	const struct lsdc_cursor_plane_ops *ops = cursor->ops;
+	struct drm_framebuffer *old_fb = plane->state->fb;
+	struct drm_framebuffer *new_fb;
+	struct drm_plane_state *new_state;
+
+	new_state = drm_atomic_get_new_plane_state(state, plane);
+
+	new_fb = plane->state->fb;
+
+	plane->state->crtc_x = new_state->crtc_x;
+	plane->state->crtc_y = new_state->crtc_y;
+	plane->state->crtc_h = new_state->crtc_h;
+	plane->state->crtc_w = new_state->crtc_w;
+	plane->state->src_x = new_state->src_x;
+	plane->state->src_y = new_state->src_y;
+	plane->state->src_h = new_state->src_h;
+	plane->state->src_w = new_state->src_w;
+	swap(plane->state->fb, new_state->fb);
+
+	if (new_state->visible) {
+		enum lsdc_cursor_size cursor_size;
+
+		switch (new_state->crtc_w) {
+		case 64:
+			cursor_size = CURSOR_SIZE_64X64;
+			break;
+		case 32:
+			cursor_size = CURSOR_SIZE_32X32;
+			break;
+		default:
+			cursor_size = CURSOR_SIZE_32X32;
+			break;
+		}
+
+		ops->update_position(cursor, new_state->crtc_x, new_state->crtc_y);
+
+		ops->update_cfg(cursor, cursor_size, CURSOR_FORMAT_ARGB8888);
+
+		if (!old_fb || old_fb != new_fb)
+			ops->update_bo_addr(cursor, lsdc_fb_base_addr(new_fb));
+	}
+}
+
+/* ls7a1000 cursor plane helpers */
+
+static int ls7a1000_cursor_plane_atomic_check(struct drm_plane *plane,
+					      struct drm_atomic_state *state)
+{
+	struct drm_plane_state *new_plane_state;
+	struct drm_crtc_state *new_crtc_state;
+	struct drm_crtc *crtc;
+
+	new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+
+	crtc = new_plane_state->crtc;
+	if (!crtc) {
+		drm_dbg(plane->dev, "%s is not bind to a crtc\n", plane->name);
+		return 0;
+	}
+
+	if (new_plane_state->crtc_w != 32 || new_plane_state->crtc_h != 32) {
+		drm_dbg(plane->dev, "unsupported cursor size: %ux%u\n",
+			new_plane_state->crtc_w, new_plane_state->crtc_h);
+		return -EINVAL;
+	}
+
+	new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   new_crtc_state,
+						   DRM_PLANE_NO_SCALING,
+						   DRM_PLANE_NO_SCALING,
+						   true, true);
+}
+
+static void ls7a1000_cursor_plane_atomic_update(struct drm_plane *plane,
+						struct drm_atomic_state *state)
+{
+	struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+	struct drm_framebuffer *new_fb = new_plane_state->fb;
+	struct drm_framebuffer *old_fb = old_plane_state->fb;
+	const struct lsdc_cursor_plane_ops *ops = cursor->ops;
+	u64 addr = lsdc_fb_base_addr(new_fb);
+
+	if (!new_plane_state->visible)
+		return;
+
+	ops->update_position(cursor, new_plane_state->crtc_x, new_plane_state->crtc_y);
+
+	if (!old_fb || old_fb != new_fb)
+		ops->update_bo_addr(cursor, addr);
+
+	ops->update_cfg(cursor, CURSOR_SIZE_32X32, CURSOR_FORMAT_ARGB8888);
+}
+
+static void ls7a1000_cursor_plane_atomic_disable(struct drm_plane *plane,
+						 struct drm_atomic_state *state)
+{
+	struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
+	const struct lsdc_cursor_plane_ops *ops = cursor->ops;
+
+	ops->update_cfg(cursor, CURSOR_SIZE_32X32, CURSOR_FORMAT_DISABLE);
+}
+
+static const struct drm_plane_helper_funcs ls7a1000_cursor_plane_helper_funcs = {
+	.prepare_fb = lsdc_plane_prepare_fb,
+	.cleanup_fb = lsdc_plane_cleanup_fb,
+	.atomic_check = ls7a1000_cursor_plane_atomic_check,
+	.atomic_update = ls7a1000_cursor_plane_atomic_update,
+	.atomic_disable = ls7a1000_cursor_plane_atomic_disable,
+	.atomic_async_check = lsdc_cursor_plane_atomic_async_check,
+	.atomic_async_update = lsdc_cursor_plane_atomic_async_update,
+};
+
+/* ls7a2000 cursor plane helpers */
+
+static int ls7a2000_cursor_plane_atomic_check(struct drm_plane *plane,
+					      struct drm_atomic_state *state)
+{
+	struct drm_plane_state *new_plane_state;
+	struct drm_crtc_state *new_crtc_state;
+	struct drm_crtc *crtc;
+
+	new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+
+	crtc = new_plane_state->crtc;
+	if (!crtc) {
+		drm_dbg(plane->dev, "%s is not bind to a crtc\n", plane->name);
+		return 0;
+	}
+
+	if (new_plane_state->crtc_w != new_plane_state->crtc_h) {
+		drm_dbg(plane->dev, "unsupported cursor size: %ux%u\n",
+			new_plane_state->crtc_w, new_plane_state->crtc_h);
+		return -EINVAL;
+	}
+
+	if (new_plane_state->crtc_w != 64 && new_plane_state->crtc_w != 32) {
+		drm_dbg(plane->dev, "unsupported cursor size: %ux%u\n",
+			new_plane_state->crtc_w, new_plane_state->crtc_h);
+		return -EINVAL;
+	}
+
+	new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+
+	return drm_atomic_helper_check_plane_state(new_plane_state,
+						   new_crtc_state,
+						   DRM_PLANE_NO_SCALING,
+						   DRM_PLANE_NO_SCALING,
+						   true, true);
+}
+
+/* Update the format, size and location of the cursor */
+
+static void ls7a2000_cursor_plane_atomic_update(struct drm_plane *plane,
+						struct drm_atomic_state *state)
+{
+	struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+	struct drm_framebuffer *new_fb = new_plane_state->fb;
+	struct drm_framebuffer *old_fb = old_plane_state->fb;
+	const struct lsdc_cursor_plane_ops *ops = cursor->ops;
+	enum lsdc_cursor_size cursor_size;
+
+	if (!new_plane_state->visible)
+		return;
+
+	ops->update_position(cursor, new_plane_state->crtc_x, new_plane_state->crtc_y);
+
+	if (!old_fb || new_fb != old_fb) {
+		u64 addr = lsdc_fb_base_addr(new_fb);
+
+		ops->update_bo_addr(cursor, addr);
+	}
+
+	switch (new_plane_state->crtc_w) {
+	case 64:
+		cursor_size = CURSOR_SIZE_64X64;
+		break;
+	case 32:
+		cursor_size = CURSOR_SIZE_32X32;
+		break;
+	default:
+		cursor_size = CURSOR_SIZE_64X64;
+		break;
+	}
+
+	ops->update_cfg(cursor, cursor_size, CURSOR_FORMAT_ARGB8888);
+}
+
+static void ls7a2000_cursor_plane_atomic_disable(struct drm_plane *plane,
+						 struct drm_atomic_state *state)
+{
+	struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
+	const struct lsdc_cursor_plane_ops *hw_ops = cursor->ops;
+
+	hw_ops->update_cfg(cursor, CURSOR_SIZE_64X64, CURSOR_FORMAT_DISABLE);
+}
+
+static const struct drm_plane_helper_funcs ls7a2000_cursor_plane_helper_funcs = {
+	.prepare_fb = lsdc_plane_prepare_fb,
+	.cleanup_fb = lsdc_plane_cleanup_fb,
+	.atomic_check = ls7a2000_cursor_plane_atomic_check,
+	.atomic_update = ls7a2000_cursor_plane_atomic_update,
+	.atomic_disable = ls7a2000_cursor_plane_atomic_disable,
+	.atomic_async_check = lsdc_cursor_plane_atomic_async_check,
+	.atomic_async_update = lsdc_cursor_plane_atomic_async_update,
+};
+
+static void lsdc_plane_atomic_print_state(struct drm_printer *p,
+					  const struct drm_plane_state *state)
+{
+	struct drm_framebuffer *fb = state->fb;
+	u64 addr;
+
+	if (!fb)
+		return;
+
+	addr = lsdc_fb_base_addr(fb);
+
+	drm_printf(p, "\tdma addr=%llx\n", addr);
+}
+
+static const struct drm_plane_funcs lsdc_plane_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.destroy = drm_plane_cleanup,
+	.reset = drm_atomic_helper_plane_reset,
+	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+	.atomic_print_state = lsdc_plane_atomic_print_state,
+};
+
+/* Primary plane 0 hardware related ops  */
+
+static void lsdc_primary0_update_fb_addr(struct lsdc_primary *primary, u64 addr)
+{
+	struct lsdc_device *ldev = primary->ldev;
+	u32 status;
+	u32 lo, hi;
+
+	/* 40-bit width physical address bus */
+	lo = addr & 0xFFFFFFFF;
+	hi = (addr >> 32) & 0xFF;
+
+	status = lsdc_rreg32(ldev, LSDC_CRTC0_CFG_REG);
+	if (status & FB_REG_IN_USING) {
+		lsdc_wreg32(ldev, LSDC_CRTC0_FB1_ADDR_LO_REG, lo);
+		lsdc_wreg32(ldev, LSDC_CRTC0_FB1_ADDR_HI_REG, hi);
+	} else {
+		lsdc_wreg32(ldev, LSDC_CRTC0_FB0_ADDR_LO_REG, lo);
+		lsdc_wreg32(ldev, LSDC_CRTC0_FB0_ADDR_HI_REG, hi);
+	}
+}
+
+static void lsdc_primary0_update_fb_stride(struct lsdc_primary *primary, u32 stride)
+{
+	struct lsdc_device *ldev = primary->ldev;
+
+	lsdc_wreg32(ldev, LSDC_CRTC0_STRIDE_REG, stride);
+}
+
+static void lsdc_primary0_update_fb_format(struct lsdc_primary *primary,
+					   const struct drm_format_info *format)
+{
+	struct lsdc_device *ldev = primary->ldev;
+	u32 status;
+
+	status = lsdc_rreg32(ldev, LSDC_CRTC0_CFG_REG);
+
+	/*
+	 * TODO: add RGB565 support, only support XRBG8888 at present
+	 */
+	status &= ~CFG_PIX_FMT_MASK;
+	status |= LSDC_PF_XRGB8888;
+
+	lsdc_wreg32(ldev, LSDC_CRTC0_CFG_REG, status);
+}
+
+/* Primary plane 1 hardware related ops */
+
+static void lsdc_primary1_update_fb_addr(struct lsdc_primary *primary, u64 addr)
+{
+	struct lsdc_device *ldev = primary->ldev;
+	u32 status;
+	u32 lo, hi;
+
+	/* 40-bit width physical address bus */
+	lo = addr & 0xFFFFFFFF;
+	hi = (addr >> 32) & 0xFF;
+
+	status = lsdc_rreg32(ldev, LSDC_CRTC1_CFG_REG);
+	if (status & FB_REG_IN_USING) {
+		lsdc_wreg32(ldev, LSDC_CRTC1_FB1_ADDR_LO_REG, lo);
+		lsdc_wreg32(ldev, LSDC_CRTC1_FB1_ADDR_HI_REG, hi);
+	} else {
+		lsdc_wreg32(ldev, LSDC_CRTC1_FB0_ADDR_LO_REG, lo);
+		lsdc_wreg32(ldev, LSDC_CRTC1_FB0_ADDR_HI_REG, hi);
+	}
+}
+
+static void lsdc_primary1_update_fb_stride(struct lsdc_primary *primary, u32 stride)
+{
+	struct lsdc_device *ldev = primary->ldev;
+
+	lsdc_wreg32(ldev, LSDC_CRTC1_STRIDE_REG, stride);
+}
+
+static void lsdc_primary1_update_fb_format(struct lsdc_primary *primary,
+					   const struct drm_format_info *format)
+{
+	struct lsdc_device *ldev = primary->ldev;
+	u32 status;
+
+	status = lsdc_rreg32(ldev, LSDC_CRTC1_CFG_REG);
+
+	/*
+	 * TODO: add RGB565 support, only support XRBG8888 at present
+	 */
+	status &= ~CFG_PIX_FMT_MASK;
+	status |= LSDC_PF_XRGB8888;
+
+	lsdc_wreg32(ldev, LSDC_CRTC1_CFG_REG, status);
+}
+
+static const struct lsdc_primary_plane_ops lsdc_primary_plane_hw_ops[2] = {
+	{
+		.update_fb_addr = lsdc_primary0_update_fb_addr,
+		.update_fb_stride = lsdc_primary0_update_fb_stride,
+		.update_fb_format = lsdc_primary0_update_fb_format,
+	},
+	{
+		.update_fb_addr = lsdc_primary1_update_fb_addr,
+		.update_fb_stride = lsdc_primary1_update_fb_stride,
+		.update_fb_format = lsdc_primary1_update_fb_format,
+	},
+};
+
+/*
+ * Update location, format, enable and disable state of the cursor,
+ * For those who have two hardware cursor, let cursor 0 is attach to CRTC-0,
+ * cursor 1 is attach to CRTC-1. Compositing the primary plane and cursor
+ * plane is automatically done by hardware, the cursor is alway on the top of
+ * the primary plane. In other word, z-order is fixed in hardware and cannot
+ * be changed. For those old DC who has only one hardware cursor, we made it
+ * shared by the two screen, this works on extend screen mode.
+ */
+
+/* cursor plane 0 (for pipe 0) related hardware ops */
+
+static void lsdc_cursor0_update_bo_addr(struct lsdc_cursor *cursor, u64 addr)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+
+	/* 40-bit width physical address bus */
+	lsdc_wreg32(ldev, LSDC_CURSOR0_ADDR_HI_REG, (addr >> 32) & 0xFF);
+	lsdc_wreg32(ldev, LSDC_CURSOR0_ADDR_LO_REG, addr);
+}
+
+static void lsdc_cursor0_update_position(struct lsdc_cursor *cursor, int x, int y)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+
+	if (x < 0)
+		x = 0;
+
+	if (y < 0)
+		y = 0;
+
+	lsdc_wreg32(ldev, LSDC_CURSOR0_POSITION_REG, (y << 16) | x);
+}
+
+static void lsdc_cursor0_update_cfg(struct lsdc_cursor *cursor,
+				    enum lsdc_cursor_size cursor_size,
+				    enum lsdc_cursor_format fmt)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+	u32 cfg;
+
+	cfg = CURSOR_ON_CRTC0 << CURSOR_LOCATION_SHIFT |
+	      cursor_size << CURSOR_SIZE_SHIFT |
+	      fmt << CURSOR_FORMAT_SHIFT;
+
+	lsdc_wreg32(ldev, LSDC_CURSOR0_CFG_REG, cfg);
+}
+
+/* cursor plane 1 (for pipe 1) related hardware ops */
+
+static void lsdc_cursor1_update_bo_addr(struct lsdc_cursor *cursor, u64 addr)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+
+	/* 40-bit width physical address bus */
+	lsdc_wreg32(ldev, LSDC_CURSOR1_ADDR_HI_REG, (addr >> 32) & 0xFF);
+	lsdc_wreg32(ldev, LSDC_CURSOR1_ADDR_LO_REG, addr);
+}
+
+static void lsdc_cursor1_update_position(struct lsdc_cursor *cursor, int x, int y)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+
+	if (x < 0)
+		x = 0;
+
+	if (y < 0)
+		y = 0;
+
+	lsdc_wreg32(ldev, LSDC_CURSOR1_POSITION_REG, (y << 16) | x);
+}
+
+static void lsdc_cursor1_update_cfg(struct lsdc_cursor *cursor,
+				    enum lsdc_cursor_size cursor_size,
+				    enum lsdc_cursor_format fmt)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+	u32 cfg;
+
+	cfg = CURSOR_ON_CRTC1 << CURSOR_LOCATION_SHIFT |
+	      cursor_size << CURSOR_SIZE_SHIFT |
+	      fmt << CURSOR_FORMAT_SHIFT;
+
+	lsdc_wreg32(ldev, LSDC_CURSOR1_CFG_REG, cfg);
+}
+
+/* The hardware cursors become normal since ls7a2000/ls2k2000 */
+
+static const struct lsdc_cursor_plane_ops ls7a2000_cursor_hw_ops[2] = {
+	{
+		.update_bo_addr = lsdc_cursor0_update_bo_addr,
+		.update_cfg = lsdc_cursor0_update_cfg,
+		.update_position = lsdc_cursor0_update_position,
+	},
+	{
+		.update_bo_addr = lsdc_cursor1_update_bo_addr,
+		.update_cfg = lsdc_cursor1_update_cfg,
+		.update_position = lsdc_cursor1_update_position,
+	},
+};
+
+/* Quirks for cursor 1, only for old loongson display controller */
+
+static void lsdc_cursor1_update_bo_addr_quirk(struct lsdc_cursor *cursor, u64 addr)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+
+	/* 40-bit width physical address bus */
+	lsdc_wreg32(ldev, LSDC_CURSOR0_ADDR_HI_REG, (addr >> 32) & 0xFF);
+	lsdc_wreg32(ldev, LSDC_CURSOR0_ADDR_LO_REG, addr);
+}
+
+static void lsdc_cursor1_update_position_quirk(struct lsdc_cursor *cursor, int x, int y)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+
+	if (x < 0)
+		x = 0;
+
+	if (y < 0)
+		y = 0;
+
+	lsdc_wreg32(ldev, LSDC_CURSOR0_POSITION_REG, (y << 16) | x);
+}
+
+static void lsdc_cursor1_update_cfg_quirk(struct lsdc_cursor *cursor,
+					  enum lsdc_cursor_size cursor_size,
+					  enum lsdc_cursor_format fmt)
+{
+	struct lsdc_device *ldev = cursor->ldev;
+	u32 cfg;
+
+	cfg = CURSOR_ON_CRTC1 << CURSOR_LOCATION_SHIFT |
+	      cursor_size << CURSOR_SIZE_SHIFT |
+	      fmt << CURSOR_FORMAT_SHIFT;
+
+	lsdc_wreg32(ldev, LSDC_CURSOR0_CFG_REG, cfg);
+}
+
+/*
+ * The unforgiving LS7A1000/LS2K1000 has only one hardware cursors plane
+ */
+static const struct lsdc_cursor_plane_ops ls7a1000_cursor_hw_ops[2] = {
+	{
+		.update_bo_addr = lsdc_cursor0_update_bo_addr,
+		.update_cfg = lsdc_cursor0_update_cfg,
+		.update_position = lsdc_cursor0_update_position,
+	},
+	{
+		.update_bo_addr = lsdc_cursor1_update_bo_addr_quirk,
+		.update_cfg = lsdc_cursor1_update_cfg_quirk,
+		.update_position = lsdc_cursor1_update_position_quirk,
+	},
+};
+
+int lsdc_primary_plane_init(struct drm_device *ddev,
+			    struct drm_plane *plane,
+			    unsigned int index)
+{
+	struct lsdc_primary *primary = to_lsdc_primary(plane);
+	int ret;
+
+	ret = drm_universal_plane_init(ddev, plane, 1 << index,
+				       &lsdc_plane_funcs,
+				       lsdc_primary_formats,
+				       ARRAY_SIZE(lsdc_primary_formats),
+				       lsdc_fb_format_modifiers,
+				       DRM_PLANE_TYPE_PRIMARY,
+				       "ls-primary-plane-%u", index);
+	if (ret)
+		return ret;
+
+	drm_plane_helper_add(plane, &lsdc_primary_helper_funcs);
+
+	primary->ldev = to_lsdc(ddev);
+	primary->ops = &lsdc_primary_plane_hw_ops[index];
+
+	return 0;
+}
+
+int ls7a1000_cursor_plane_init(struct drm_device *ddev,
+			       struct drm_plane *plane,
+			       unsigned int index)
+{
+	struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
+	int ret;
+
+	ret = drm_universal_plane_init(ddev, plane, 1 << index,
+				       &lsdc_plane_funcs,
+				       lsdc_cursor_formats,
+				       ARRAY_SIZE(lsdc_cursor_formats),
+				       lsdc_fb_format_modifiers,
+				       DRM_PLANE_TYPE_CURSOR,
+				       "ls-cursor-plane-%u", index);
+	if (ret)
+		return ret;
+
+	cursor->ldev = to_lsdc(ddev);
+	cursor->ops = &ls7a1000_cursor_hw_ops[index];
+
+	drm_plane_helper_add(plane, &ls7a1000_cursor_plane_helper_funcs);
+
+	return 0;
+}
+
+int ls7a2000_cursor_plane_init(struct drm_device *ddev,
+			       struct drm_plane *plane,
+			       unsigned int index)
+{
+	struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
+	int ret;
+
+	ret = drm_universal_plane_init(ddev, plane, 1 << index,
+				       &lsdc_plane_funcs,
+				       lsdc_cursor_formats,
+				       ARRAY_SIZE(lsdc_cursor_formats),
+				       lsdc_fb_format_modifiers,
+				       DRM_PLANE_TYPE_CURSOR,
+				       "ls-cursor-plane-%u", index);
+	if (ret)
+		return ret;
+
+	cursor->ldev = to_lsdc(ddev);
+	cursor->ops = &ls7a2000_cursor_hw_ops[index];
+
+	drm_plane_helper_add(plane, &ls7a2000_cursor_plane_helper_funcs);
+
+	return 0;
+}