Merge tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Intel have enabled DG2 on certain SKUs for laptops, AMD has started
  some new GPU support, msm has user allocated VA controls

  dma-buf:
   - add dma_resv_replace_fences
   - add dma_resv_get_singleton
   - make dma_excl_fence private

  core:
   - EDID parser refactorings
   - switch drivers to drm_mode_copy/duplicate
   - DRM managed mutex initialization

  display-helper:
   - put HDMI, SCDC, HDCP, DSC and DP into new module

  gem:
   - rework fence handling

  ttm:
   - rework bulk move handling
   - add common debugfs for resource managers
   - convert to kvcalloc

  format helpers:
   - support monochrome formats
   - RGB888, RGB565 to XRGB8888 conversions

  fbdev:
   - cfb/sys_imageblit fixes
   - pagelist corruption fix
   - create offb platform device
   - deferred io improvements

  sysfb:
   - Kconfig rework
   - support for VESA mode selection

  bridge:
   - conversions to devm_drm_of_get_bridge
   - conversions to panel_bridge
   - analogix_dp - autosuspend support
   - it66121 - audio support
   - tc358767 - DSI to DPI support
   - icn6211 - PLL/I2C fixes, DT property
   - adv7611 - enable DRM_BRIDGE_OP_HPD
   - anx7625 - fill ELD if no monitor
   - dw_hdmi - add audio support
   - lontium LT9211 support, i.MXMP LDB
   - it6505: Kconfig fix, DPCD set power fix
   - adv7511 - CEC support for ADV7535

  panel:
   - ltk035c5444t, B133UAN01, NV3052C panel support
   - DataImage FG040346DSSWBG04 support
   - st7735r - DT bindings fix
   - ssd130x - fixes

  i915:
   - DG2 laptop PCI-IDs ("motherboard down")
   - Initial RPL-P PCI IDs
   - compute engine ABI
   - DG2 Tile4 support
   - DG2 CCS clear color compression support
   - DG2 render/media compression formats support
   - ATS-M platform info
   - RPL-S PCI IDs added
   - Bump ADL-P DMC version to v2.16
   - Support static DRRS
   - Support multiple eDP/LVDS native mode refresh rates
   - DP HDR support for HSW+
   - Lots of display refactoring + fixes
   - GuC hwconfig support and query
   - sysfs support for multi-tile
   - fdinfo per-client gpu utilisation
   - add geometry subslices query
   - fix prime mmap with LMEM
   - fix vm open count and remove vma refcounts
   - contiguous allocation fixes
   - steered register write support
   - small PCI BAR enablement
   - GuC error capture support
   - sunset igpu legacy mmap support for newer devices
   - GuC version 70.1.1 support

  amdgpu:
   - Initial SoC21 support
   - SMU 13.x enablement
   - SMU 13.0.4 support
   - ttm_eu cleanups
   - USB-C, GPUVM updates
   - TMZ fixes for RV
   - RAS support for VCN
   - PM sysfs code cleanup
   - DC FP rework
   - extend CG/PG flags to 64-bit
   - SI dpm lockdep fix
   - runtime PM fixes

  amdkfd:
   - RAS/SVM fixes
   - TLB flush fixes
   - CRIU GWS support
   - ignore bogus MEC signals more efficiently

  msm:
   - Fourcc modifier for tiled but not compressed layouts
   - Support for userspace allocated IOVA (GPU virtual address)
   - DPU: DSC (Display Stream Compression) support
   - DP: eDP support
   - DP: conversion to use drm_bridge and drm_bridge_connector
   - Merge DPU1 and MDP5 MDSS driver
   - DPU: writeback support

  nouveau:
   - make some structures static
   - make some variables static
   - switch to drm_gem_plane_helper_prepare_fb

  radeon:
   - misc fixes/cleanups

  mxsfb:
   - rework crtc mode setting
   - LCDIF CRC support

  etnaviv:
   - fencing improvements
   - fix address space collisions
   - cleanup MMU reference handling

  gma500:
   - GEM/GTT improvements
   - connector handling fixes

  komeda:
   - switch to plane reset helper

  mediatek:
   - MIPI DSI improvements

  omapdrm:
   - GEM improvements

  qxl:
   - aarch64 support

  vc4:
   - add a CL submission tracepoint
   - HDMI YUV support
   - HDMI/clock improvements
   - drop is_hdmi caching

  virtio:
   - remove restriction of non-zero blob types

  vmwgfx:
   - support for cursormob and cursorbypass 4
   - fence improvements

  tidss:
   - reset DISPC on startup

  solomon:
   - SPI support
   - DT improvements

  sun4i:
   - allwinner D1 support
   - drop is_hdmi caching

  imx:
   - use swap() instead of open-coding
   - use devm_platform_ioremap_resource
   - remove redunant initializations

  ast:
   - Displayport support

  rockchip:
   - Refactor IOMMU initialisation
   - make some structures static
   - replace drm_detect_hdmi_monitor with drm_display_info.is_hdmi
   - support swapped YUV formats,
   - clock improvements
   - rk3568 support
   - VOP2 support

  mediatek:
   - MT8186 support

  tegra:
   - debugabillity improvements"

* tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm: (1740 commits)
  drm/i915/dsi: fix VBT send packet port selection for ICL+
  drm/i915/uc: Fix undefined behavior due to shift overflowing the constant
  drm/i915/reg: fix undefined behavior due to shift overflowing the constant
  drm/i915/gt: Fix use of static in macro mismatch
  drm/i915/audio: fix audio code enable/disable pipe logging
  drm/i915: Fix CFI violation with show_dynamic_id()
  drm/i915: Fix 'mixing different enum types' warnings in intel_display_power.c
  drm/i915/gt: Fix build error without CONFIG_PM
  drm/msm/dpu: handle pm_runtime_get_sync() errors in bind path
  drm/msm/dpu: add DRM_MODE_ROTATE_180 back to supported rotations
  drm/msm: don't free the IRQ if it was not requested
  drm/msm/dpu: limit writeback modes according to max_linewidth
  drm/amd: Don't reset dGPUs if the system is going to s2idle
  drm/amdgpu: Unmap legacy queue when MES is enabled
  drm: msm: fix possible memory leak in mdp5_crtc_cursor_set()
  drm/msm: Fix fb plane offset calculation
  drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init
  drm/msm/dsi: don't powerup at modeset time for parade-ps8640
  drm/rockchip: Change register space names in vop2
  dt-bindings: display: rockchip: make reg-names mandatory for VOP2
  ...

1 files changed, 113 insertions, 85 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
index b0fa17409b66..cf571796fd26 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem.c
@@ -38,7 +38,7 @@ struct omap_gem_object {
 	/** roll applied when mapping to DMM */
 	u32 roll;
 
-	/** protects dma_addr_cnt, block, pages, dma_addrs and vaddr */
+	/** protects pin_cnt, block, pages, dma_addrs and vaddr */
 	struct mutex lock;
 
 	/**
@@ -50,24 +50,24 @@ struct omap_gem_object {
 	 * - buffers imported from dmabuf (with the OMAP_BO_MEM_DMABUF flag set)
 	 *   if they are physically contiguous (when sgt->orig_nents == 1)
 	 *
-	 * - buffers mapped through the TILER when dma_addr_cnt is not zero, in
-	 *   which case the DMA address points to the TILER aperture
+	 * - buffers mapped through the TILER when pin_cnt is not zero, in which
+	 *   case the DMA address points to the TILER aperture
 	 *
 	 * Physically contiguous buffers have their DMA address equal to the
 	 * physical address as we don't remap those buffers through the TILER.
 	 *
 	 * Buffers mapped to the TILER have their DMA address pointing to the
-	 * TILER aperture. As TILER mappings are refcounted (through
-	 * dma_addr_cnt) the DMA address must be accessed through omap_gem_pin()
-	 * to ensure that the mapping won't disappear unexpectedly. References
-	 * must be released with omap_gem_unpin().
+	 * TILER aperture. As TILER mappings are refcounted (through pin_cnt)
+	 * the DMA address must be accessed through omap_gem_pin() to ensure
+	 * that the mapping won't disappear unexpectedly. References must be
+	 * released with omap_gem_unpin().
 	 */
 	dma_addr_t dma_addr;
 
 	/**
-	 * # of users of dma_addr
+	 * # of users
 	 */
-	refcount_t dma_addr_cnt;
+	refcount_t pin_cnt;
 
 	/**
 	 * If the buffer has been imported from a dmabuf the OMAP_DB_DMABUF flag
@@ -750,6 +750,46 @@ void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
 	}
 }
 
+static int omap_gem_pin_tiler(struct drm_gem_object *obj)
+{
+	struct omap_gem_object *omap_obj = to_omap_bo(obj);
+	u32 npages = obj->size >> PAGE_SHIFT;
+	enum tiler_fmt fmt = gem2fmt(omap_obj->flags);
+	struct tiler_block *block;
+	int ret;
+
+	BUG_ON(omap_obj->block);
+
+	if (omap_obj->flags & OMAP_BO_TILED_MASK) {
+		block = tiler_reserve_2d(fmt, omap_obj->width, omap_obj->height,
+					 PAGE_SIZE);
+	} else {
+		block = tiler_reserve_1d(obj->size);
+	}
+
+	if (IS_ERR(block)) {
+		ret = PTR_ERR(block);
+		dev_err(obj->dev->dev, "could not remap: %d (%d)\n", ret, fmt);
+		goto fail;
+	}
+
+	/* TODO: enable async refill.. */
+	ret = tiler_pin(block, omap_obj->pages, npages, omap_obj->roll, true);
+	if (ret) {
+		tiler_release(block);
+		dev_err(obj->dev->dev, "could not pin: %d\n", ret);
+		goto fail;
+	}
+
+	omap_obj->dma_addr = tiler_ssptr(block);
+	omap_obj->block = block;
+
+	DBG("got dma address: %pad", &omap_obj->dma_addr);
+
+fail:
+	return ret;
+}
+
 /**
  * omap_gem_pin() - Pin a GEM object in memory
  * @obj: the GEM object
@@ -772,63 +812,30 @@ int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr)
 
 	mutex_lock(&omap_obj->lock);
 
-	if (!omap_gem_is_contiguous(omap_obj) && priv->has_dmm) {
-		if (refcount_read(&omap_obj->dma_addr_cnt) == 0) {
-			u32 npages = obj->size >> PAGE_SHIFT;
-			enum tiler_fmt fmt = gem2fmt(omap_obj->flags);
-			struct tiler_block *block;
-
-			BUG_ON(omap_obj->block);
+	if (!omap_gem_is_contiguous(omap_obj)) {
+		if (refcount_read(&omap_obj->pin_cnt) == 0) {
 
-			refcount_set(&omap_obj->dma_addr_cnt, 1);
+			refcount_set(&omap_obj->pin_cnt, 1);
 
 			ret = omap_gem_attach_pages(obj);
 			if (ret)
 				goto fail;
 
-			if (omap_obj->flags & OMAP_BO_TILED_MASK) {
-				block = tiler_reserve_2d(fmt,
-						omap_obj->width,
-						omap_obj->height, PAGE_SIZE);
-			} else {
-				block = tiler_reserve_1d(obj->size);
-			}
-
-			if (IS_ERR(block)) {
-				ret = PTR_ERR(block);
-				dev_err(obj->dev->dev,
-					"could not remap: %d (%d)\n", ret, fmt);
-				goto fail;
-			}
-
-			/* TODO: enable async refill.. */
-			ret = tiler_pin(block, omap_obj->pages, npages,
-					omap_obj->roll, true);
-			if (ret) {
-				tiler_release(block);
-				dev_err(obj->dev->dev,
-						"could not pin: %d\n", ret);
-				goto fail;
+			if (omap_obj->flags & OMAP_BO_SCANOUT) {
+				if (priv->has_dmm) {
+					ret = omap_gem_pin_tiler(obj);
+					if (ret)
+						goto fail;
+				}
 			}
-
-			omap_obj->dma_addr = tiler_ssptr(block);
-			omap_obj->block = block;
-
-			DBG("got dma address: %pad", &omap_obj->dma_addr);
 		} else {
-			refcount_inc(&omap_obj->dma_addr_cnt);
+			refcount_inc(&omap_obj->pin_cnt);
 		}
-
-		if (dma_addr)
-			*dma_addr = omap_obj->dma_addr;
-	} else if (omap_gem_is_contiguous(omap_obj)) {
-		if (dma_addr)
-			*dma_addr = omap_obj->dma_addr;
-	} else {
-		ret = -EINVAL;
-		goto fail;
 	}
 
+	if (dma_addr)
+		*dma_addr = omap_obj->dma_addr;
+
 fail:
 	mutex_unlock(&omap_obj->lock);
 
@@ -847,27 +854,31 @@ static void omap_gem_unpin_locked(struct drm_gem_object *obj)
 	struct omap_gem_object *omap_obj = to_omap_bo(obj);
 	int ret;
 
-	if (omap_gem_is_contiguous(omap_obj) || !priv->has_dmm)
+	if (omap_gem_is_contiguous(omap_obj))
 		return;
 
-	if (refcount_dec_and_test(&omap_obj->dma_addr_cnt)) {
+	if (refcount_dec_and_test(&omap_obj->pin_cnt)) {
 		if (omap_obj->sgt) {
 			sg_free_table(omap_obj->sgt);
 			kfree(omap_obj->sgt);
 			omap_obj->sgt = NULL;
 		}
-		ret = tiler_unpin(omap_obj->block);
-		if (ret) {
-			dev_err(obj->dev->dev,
-				"could not unpin pages: %d\n", ret);
-		}
-		ret = tiler_release(omap_obj->block);
-		if (ret) {
-			dev_err(obj->dev->dev,
-				"could not release unmap: %d\n", ret);
+		if (!(omap_obj->flags & OMAP_BO_SCANOUT))
+			return;
+		if (priv->has_dmm) {
+			ret = tiler_unpin(omap_obj->block);
+			if (ret) {
+				dev_err(obj->dev->dev,
+					"could not unpin pages: %d\n", ret);
+			}
+			ret = tiler_release(omap_obj->block);
+			if (ret) {
+				dev_err(obj->dev->dev,
+					"could not release unmap: %d\n", ret);
+			}
+			omap_obj->dma_addr = 0;
+			omap_obj->block = NULL;
 		}
-		omap_obj->dma_addr = 0;
-		omap_obj->block = NULL;
 	}
 }
 
@@ -900,7 +911,7 @@ int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,
 
 	mutex_lock(&omap_obj->lock);
 
-	if ((refcount_read(&omap_obj->dma_addr_cnt) > 0) && omap_obj->block &&
+	if ((refcount_read(&omap_obj->pin_cnt) > 0) && omap_obj->block &&
 			(omap_obj->flags & OMAP_BO_TILED_MASK)) {
 		*dma_addr = tiler_tsptr(omap_obj->block, orient, x, y);
 		ret = 0;
@@ -968,7 +979,8 @@ int omap_gem_put_pages(struct drm_gem_object *obj)
 	return 0;
 }
 
-struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj)
+struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj,
+		enum dma_data_direction dir)
 {
 	struct omap_gem_object *omap_obj = to_omap_bo(obj);
 	dma_addr_t addr;
@@ -993,28 +1005,44 @@ struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj)
 		goto err_unpin;
 	}
 
-	if (omap_obj->flags & OMAP_BO_TILED_MASK) {
-		enum tiler_fmt fmt = gem2fmt(omap_obj->flags);
+	if (addr) {
+		if (omap_obj->flags & OMAP_BO_TILED_MASK) {
+			enum tiler_fmt fmt = gem2fmt(omap_obj->flags);
 
-		len = omap_obj->width << (int)fmt;
-		count = omap_obj->height;
-		stride = tiler_stride(fmt, 0);
+			len = omap_obj->width << (int)fmt;
+			count = omap_obj->height;
+			stride = tiler_stride(fmt, 0);
+		} else {
+			len = obj->size;
+			count = 1;
+			stride = 0;
+		}
 	} else {
-		len = obj->size;
-		count = 1;
-		stride = 0;
+		count = obj->size >> PAGE_SHIFT;
 	}
 
 	ret = sg_alloc_table(sgt, count, GFP_KERNEL);
 	if (ret)
 		goto err_free;
 
-	for_each_sg(sgt->sgl, sg, count, i) {
-		sg_set_page(sg, phys_to_page(addr), len, offset_in_page(addr));
-		sg_dma_address(sg) = addr;
-		sg_dma_len(sg) = len;
+	/* this must be after omap_gem_pin() to ensure we have pages attached */
+	omap_gem_dma_sync_buffer(obj, dir);
 
-		addr += stride;
+	if (addr) {
+		for_each_sg(sgt->sgl, sg, count, i) {
+			sg_set_page(sg, phys_to_page(addr), len,
+				offset_in_page(addr));
+			sg_dma_address(sg) = addr;
+			sg_dma_len(sg) = len;
+
+			addr += stride;
+		}
+	} else {
+		for_each_sg(sgt->sgl, sg, count, i) {
+			sg_set_page(sg, omap_obj->pages[i], PAGE_SIZE, 0);
+			sg_dma_address(sg) = omap_obj->dma_addrs[i];
+			sg_dma_len(sg) =  PAGE_SIZE;
+		}
 	}
 
 	omap_obj->sgt = sgt;
@@ -1124,7 +1152,7 @@ void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
 	seq_printf(m, "%08x: %2d (%2d) %08llx %pad (%2d) %p %4d",
 			omap_obj->flags, obj->name, kref_read(&obj->refcount),
 			off, &omap_obj->dma_addr,
-			refcount_read(&omap_obj->dma_addr_cnt),
+			refcount_read(&omap_obj->pin_cnt),
 			omap_obj->vaddr, omap_obj->roll);
 
 	if (omap_obj->flags & OMAP_BO_TILED_MASK) {
@@ -1187,7 +1215,7 @@ static void omap_gem_free_object(struct drm_gem_object *obj)
 	mutex_lock(&omap_obj->lock);
 
 	/* The object should not be pinned. */
-	WARN_ON(refcount_read(&omap_obj->dma_addr_cnt) > 0);
+	WARN_ON(refcount_read(&omap_obj->pin_cnt) > 0);
 
 	if (omap_obj->pages) {
 		if (omap_obj->flags & OMAP_BO_MEM_DMABUF)