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, 259 insertions, 0 deletions

diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c
new file mode 100644
index 000000000000..c8145e9b62b6
--- /dev/null
+++ b/drivers/misc/mei/gsc-me.c
@@ -0,0 +1,259 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright(c) 2019-2022, Intel Corporation. All rights reserved.
+ *
+ * Intel Management Engine Interface (Intel MEI) Linux driver
+ */
+
+#include <linux/module.h>
+#include <linux/mei_aux.h>
+#include <linux/device.h>
+#include <linux/irqreturn.h>
+#include <linux/jiffies.h>
+#include <linux/ktime.h>
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+
+#include "mei_dev.h"
+#include "hw-me.h"
+#include "hw-me-regs.h"
+
+#include "mei-trace.h"
+
+#define MEI_GSC_RPM_TIMEOUT 500
+
+static int mei_gsc_read_hfs(const struct mei_device *dev, int where, u32 *val)
+{
+	struct mei_me_hw *hw = to_me_hw(dev);
+
+	*val = ioread32(hw->mem_addr + where + 0xC00);
+
+	return 0;
+}
+
+static int mei_gsc_probe(struct auxiliary_device *aux_dev,
+			 const struct auxiliary_device_id *aux_dev_id)
+{
+	struct mei_aux_device *adev = auxiliary_dev_to_mei_aux_dev(aux_dev);
+	struct mei_device *dev;
+	struct mei_me_hw *hw;
+	struct device *device;
+	const struct mei_cfg *cfg;
+	int ret;
+
+	cfg = mei_me_get_cfg(aux_dev_id->driver_data);
+	if (!cfg)
+		return -ENODEV;
+
+	device = &aux_dev->dev;
+
+	dev = mei_me_dev_init(device, cfg);
+	if (!dev) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	hw = to_me_hw(dev);
+	hw->mem_addr = devm_ioremap_resource(device, &adev->bar);
+	if (IS_ERR(hw->mem_addr)) {
+		dev_err(device, "mmio not mapped\n");
+		ret = PTR_ERR(hw->mem_addr);
+		goto err;
+	}
+
+	hw->irq = adev->irq;
+	hw->read_fws = mei_gsc_read_hfs;
+
+	dev_set_drvdata(device, dev);
+
+	ret = devm_request_threaded_irq(device, hw->irq,
+					mei_me_irq_quick_handler,
+					mei_me_irq_thread_handler,
+					IRQF_ONESHOT, KBUILD_MODNAME, dev);
+	if (ret) {
+		dev_err(device, "irq register failed %d\n", ret);
+		goto err;
+	}
+
+	pm_runtime_get_noresume(device);
+	pm_runtime_set_active(device);
+	pm_runtime_enable(device);
+
+	/* Continue to char device setup in spite of firmware handshake failure.
+	 * In order to provide access to the firmware status registers to the user
+	 * space via sysfs.
+	 */
+	if (mei_start(dev))
+		dev_warn(device, "init hw failure.\n");
+
+	pm_runtime_set_autosuspend_delay(device, MEI_GSC_RPM_TIMEOUT);
+	pm_runtime_use_autosuspend(device);
+
+	ret = mei_register(dev, device);
+	if (ret)
+		goto register_err;
+
+	pm_runtime_put_noidle(device);
+	return 0;
+
+register_err:
+	mei_stop(dev);
+	devm_free_irq(device, hw->irq, dev);
+
+err:
+	dev_err(device, "probe failed: %d\n", ret);
+	dev_set_drvdata(device, NULL);
+	return ret;
+}
+
+static void mei_gsc_remove(struct auxiliary_device *aux_dev)
+{
+	struct mei_device *dev;
+	struct mei_me_hw *hw;
+
+	dev = dev_get_drvdata(&aux_dev->dev);
+	if (!dev)
+		return;
+
+	hw = to_me_hw(dev);
+
+	mei_stop(dev);
+
+	mei_deregister(dev);
+
+	pm_runtime_disable(&aux_dev->dev);
+
+	mei_disable_interrupts(dev);
+	devm_free_irq(&aux_dev->dev, hw->irq, dev);
+}
+
+static int __maybe_unused mei_gsc_pm_suspend(struct device *device)
+{
+	struct mei_device *dev = dev_get_drvdata(device);
+
+	if (!dev)
+		return -ENODEV;
+
+	mei_stop(dev);
+
+	mei_disable_interrupts(dev);
+
+	return 0;
+}
+
+static int __maybe_unused mei_gsc_pm_resume(struct device *device)
+{
+	struct mei_device *dev = dev_get_drvdata(device);
+	int err;
+
+	if (!dev)
+		return -ENODEV;
+
+	err = mei_restart(dev);
+	if (err)
+		return err;
+
+	/* Start timer if stopped in suspend */
+	schedule_delayed_work(&dev->timer_work, HZ);
+
+	return 0;
+}
+
+static int __maybe_unused mei_gsc_pm_runtime_idle(struct device *device)
+{
+	struct mei_device *dev = dev_get_drvdata(device);
+
+	if (!dev)
+		return -ENODEV;
+	if (mei_write_is_idle(dev))
+		pm_runtime_autosuspend(device);
+
+	return -EBUSY;
+}
+
+static int  __maybe_unused mei_gsc_pm_runtime_suspend(struct device *device)
+{
+	struct mei_device *dev = dev_get_drvdata(device);
+	struct mei_me_hw *hw;
+	int ret;
+
+	if (!dev)
+		return -ENODEV;
+
+	mutex_lock(&dev->device_lock);
+
+	if (mei_write_is_idle(dev)) {
+		hw = to_me_hw(dev);
+		hw->pg_state = MEI_PG_ON;
+		ret = 0;
+	} else {
+		ret = -EAGAIN;
+	}
+
+	mutex_unlock(&dev->device_lock);
+
+	return ret;
+}
+
+static int __maybe_unused mei_gsc_pm_runtime_resume(struct device *device)
+{
+	struct mei_device *dev = dev_get_drvdata(device);
+	struct mei_me_hw *hw;
+	irqreturn_t irq_ret;
+
+	if (!dev)
+		return -ENODEV;
+
+	mutex_lock(&dev->device_lock);
+
+	hw = to_me_hw(dev);
+	hw->pg_state = MEI_PG_OFF;
+
+	mutex_unlock(&dev->device_lock);
+
+	irq_ret = mei_me_irq_thread_handler(1, dev);
+	if (irq_ret != IRQ_HANDLED)
+		dev_err(dev->dev, "thread handler fail %d\n", irq_ret);
+
+	return 0;
+}
+
+static const struct dev_pm_ops mei_gsc_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(mei_gsc_pm_suspend,
+				mei_gsc_pm_resume)
+	SET_RUNTIME_PM_OPS(mei_gsc_pm_runtime_suspend,
+			   mei_gsc_pm_runtime_resume,
+			   mei_gsc_pm_runtime_idle)
+};
+
+static const struct auxiliary_device_id mei_gsc_id_table[] = {
+	{
+		.name = "i915.mei-gsc",
+		.driver_data = MEI_ME_GSC_CFG,
+
+	},
+	{
+		.name = "i915.mei-gscfi",
+		.driver_data = MEI_ME_GSCFI_CFG,
+	},
+	{
+		/* sentinel */
+	}
+};
+MODULE_DEVICE_TABLE(auxiliary, mei_gsc_id_table);
+
+static struct auxiliary_driver mei_gsc_driver = {
+	.probe	= mei_gsc_probe,
+	.remove = mei_gsc_remove,
+	.driver = {
+		/* auxiliary_driver_register() sets .name to be the modname */
+		.pm = &mei_gsc_pm_ops,
+	},
+	.id_table = mei_gsc_id_table
+};
+module_auxiliary_driver(mei_gsc_driver);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_ALIAS("auxiliary:i915.mei-gsc");
+MODULE_ALIAS("auxiliary:i915.mei-gscfi");
+MODULE_LICENSE("GPL");