Merge tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "A pretty normal tree, lots of refactoring across the board, ttm, i915,
  nouveau, and bunch of features in various drivers.

  docs:
   - lots of updated docs

  core:
   - require crtc to have unique primary plane
   - fourcc macro fix
   - PCI bar quirk for bar resizing
   - don't sent hotplug on error
   - move vm code to legacy
   - nuke hose only used on old oboslete alpha

  dma-buf:
   - kernel doc updates
   - improved lock tracking

  dp/hdmi:
   - DP-HDMI2.1 protocol converter support

  ttm:
   - bo size handling cleanup
   - release a pinned bo warning
   - cleanup lru handler
   - avoid using pages with drm_prime_sg_to_page_addr_arrays

  cma-helper:
   - prime/mmap fixes

  bridge:
   - add DP support

  gma500:
   - remove gma3600 support

  i915:
   - try eDP fast/narrow link again with fallback
   - Intel eDP backlight control
   - replace display register read/write macros
   - refactor intel_display.c
   - display power improvements
   - HPD code cleanup
   - Rocketlake display fixes
   - Power/backlight/RPM fixes
   - DG1 display fix
   - IVB/BYT clear residuals security fix again
   - make i915 mitigations options via parameter
   - HSW GT1 GPU hangs fixes
   - DG1 workaround hang fixes
   - TGL DMAR hang avoidance
   - Lots of GT fixes
   - follow on fixes for residuals clear
   - gen7 per-engine-reset support
   - HDCP2.2 + HDCP1.4 GEN12 DP MST support
   - TGL clear color support
   - backlight refactoring
   - VRR/Adaptive sync enabling on DP/EDP for TGL+
   - async flips for all ilk+

  amdgpu:
   - rework IH ring handling (Vega/Navi)
   - rework HDP handling (Vega/Navi)
   - swSMU updates for renoir/vangogh
   - Sienna Cichild overdrive support
   - FP16 on DCE8-11 support
   - GPU reset on navy flounder/vangogh
   - SMU profile fixes for APU
   - SR-IOV fixes
   - Vangogh SMU fixes
   - fan speed control fixes

  amdkfd:
   - config handling fix
   - buffer free fix
   - recursive lock warnings fix

  nouveau:
   - Turing MMU fault recovery fixes
   - mDP connectors reporting fix
   - audio locking fixes
   - rework engines/instances code to support new scheme

  tegra:
   - VIC newer firmware support
   - display/gr2d fixes for older tegra
   - pm reference leak fix

  mediatek:
   - SOC MT8183 support
   - decouple sub driver + share mtk mutex driver

  radeon:
   - PCI resource fix for some platforms

  ingenic:
   - pm support
   - 8-bit delta RGB panels

  vmwgfx:
   - managed driver helpers

  vc4:
   - BCM2711 DSI1 support
   - converted to atomic helpers
   - enable 10/12 bpc outputs
   - gem prime mmap helpers
   - CEC fix

  omap:
   - use degamma table
   - CTM support
   - rework DSI support

  imx:
   - stack usage fixes
   - drm managed support
   - imx-tve clock provider leak fix
-

  rcar-du:
   - default mode fixes
   - conversion to managed API

  hisilicon:
   - use simple encoder

  vkms:
   - writeback connector support

  d3:
   - BT2020 support"

* tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm: (1459 commits)
  drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2)
  drm/radeon: OLAND boards don't have VCE
  drm/amdkfd: Fix recursive lock warnings
  drm/amd/display: Add FPU wrappers to dcn21_validate_bandwidth()
  drm/amd/display: Fix potential integer overflow
  drm/amdgpu/display: remove hdcp_srm sysfs on device removal
  drm/amdgpu: fix CGTS_TCC_DISABLE register offset on gfx10.3
  drm/i915/gt: Correct surface base address for renderclear
  drm/i915: Disallow plane x+w>stride on ilk+ with X-tiling
  drm/nouveau/top/ga100: initial support
  drm/nouveau/top: add ioctrl/nvjpg
  drm/nouveau/privring: rename from ibus
  drm/nouveau/nvkm: remove nvkm_subdev.index
  drm/nouveau/nvkm: determine subdev id/order from layout
  drm/nouveau/vic: switch to instanced constructor
  drm/nouveau/sw: switch to instanced constructor
  drm/nouveau/sec2: switch to instanced constructor
  drm/nouveau/sec: switch to instanced constructor
  drm/nouveau/pm: switch to instanced constructor
  drm/nouveau/nvenc: switch to instanced constructor
  ...

1 files changed, 176 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c
new file mode 100644
index 000000000000..834440ab9ff7
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ */
+#include <linux/debugfs.h>
+#include <linux/pm_runtime.h>
+
+#include "amdgpu.h"
+#include "amdgpu_securedisplay.h"
+
+/**
+ * DOC: AMDGPU SECUREDISPLAY debugfs test interface
+ *
+ * how to use?
+ * echo opcode <value> > <debugfs_dir>/dri/xxx/securedisplay_test
+ * eg. echo 1 > <debugfs_dir>/dri/xxx/securedisplay_test
+ * eg. echo 2 phy_id > <debugfs_dir>/dri/xxx/securedisplay_test
+ *
+ * opcode:
+ * 1：Query whether TA is responding used only for validation pupose
+ * 2: Send region of Interest and CRC value to I2C. (uint32)phy_id is
+ * send to determine which DIO scratch register should be used to get
+ * ROI and receive i2c_buf as the output.
+ *
+ * You can refer more detail from header file ta_securedisplay_if.h
+ *
+ */
+
+void psp_securedisplay_parse_resp_status(struct psp_context *psp,
+	enum ta_securedisplay_status status)
+{
+	switch (status) {
+	case TA_SECUREDISPLAY_STATUS__SUCCESS:
+		break;
+	case TA_SECUREDISPLAY_STATUS__GENERIC_FAILURE:
+		dev_err(psp->adev->dev, "Secure display: Generic Failure.");
+		break;
+	case TA_SECUREDISPLAY_STATUS__INVALID_PARAMETER:
+		dev_err(psp->adev->dev, "Secure display: Invalid Parameter.");
+		break;
+	case TA_SECUREDISPLAY_STATUS__NULL_POINTER:
+		dev_err(psp->adev->dev, "Secure display: Null Pointer.");
+		break;
+	case TA_SECUREDISPLAY_STATUS__I2C_WRITE_ERROR:
+		dev_err(psp->adev->dev, "Secure display: Failed to write to I2C.");
+		break;
+	case TA_SECUREDISPLAY_STATUS__READ_DIO_SCRATCH_ERROR:
+		dev_err(psp->adev->dev, "Secure display: Failed to Read DIO Scratch Register.");
+		break;
+	case TA_SECUREDISPLAY_STATUS__READ_CRC_ERROR:
+		dev_err(psp->adev->dev, "Secure display: Failed to Read CRC");
+		break;
+	default:
+		dev_err(psp->adev->dev, "Secure display: Failed to parse status: %d\n", status);
+	}
+}
+
+void psp_prep_securedisplay_cmd_buf(struct psp_context *psp, struct securedisplay_cmd **cmd,
+	enum ta_securedisplay_command command_id)
+{
+	*cmd = (struct securedisplay_cmd *)psp->securedisplay_context.securedisplay_shared_buf;
+	memset(*cmd, 0, sizeof(struct securedisplay_cmd));
+	(*cmd)->status = TA_SECUREDISPLAY_STATUS__GENERIC_FAILURE;
+	(*cmd)->cmd_id = command_id;
+}
+
+static ssize_t amdgpu_securedisplay_debugfs_write(struct file *f, const char __user *buf,
+		size_t size, loff_t *pos)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
+	struct psp_context *psp = &adev->psp;
+	struct securedisplay_cmd *securedisplay_cmd;
+	struct drm_device *dev = adev_to_drm(adev);
+	uint32_t phy_id;
+	uint32_t op;
+	int i;
+	char str[64];
+	char i2c_output[256];
+	int ret;
+
+	if (*pos || size > sizeof(str) - 1)
+		return -EINVAL;
+
+	memset(str,  0, sizeof(str));
+	ret = copy_from_user(str, buf, size);
+	if (ret)
+		return -EFAULT;
+
+	ret = pm_runtime_get_sync(dev->dev);
+	if (ret < 0) {
+		pm_runtime_put_autosuspend(dev->dev);
+		return ret;
+	}
+
+	if (size < 3)
+		sscanf(str, "%u ", &op);
+	else
+		sscanf(str, "%u %u", &op, &phy_id);
+
+	switch (op) {
+	case 1:
+		psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd,
+			TA_SECUREDISPLAY_COMMAND__QUERY_TA);
+		ret = psp_securedisplay_invoke(psp, TA_SECUREDISPLAY_COMMAND__QUERY_TA);
+		if (!ret) {
+			if (securedisplay_cmd->status == TA_SECUREDISPLAY_STATUS__SUCCESS)
+				dev_info(adev->dev, "SECUREDISPLAY: query securedisplay TA ret is 0x%X\n",
+					securedisplay_cmd->securedisplay_out_message.query_ta.query_cmd_ret);
+			else
+				psp_securedisplay_parse_resp_status(psp, securedisplay_cmd->status);
+		}
+		break;
+	case 2:
+		psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd,
+			TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC);
+		securedisplay_cmd->securedisplay_in_message.send_roi_crc.phy_id = phy_id;
+		ret = psp_securedisplay_invoke(psp, TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC);
+		if (!ret) {
+			if (securedisplay_cmd->status == TA_SECUREDISPLAY_STATUS__SUCCESS) {
+				memset(i2c_output,  0, sizeof(i2c_output));
+				for (i = 0; i < TA_SECUREDISPLAY_I2C_BUFFER_SIZE; i++)
+					sprintf(i2c_output, "%s 0x%X", i2c_output,
+						securedisplay_cmd->securedisplay_out_message.send_roi_crc.i2c_buf[i]);
+				dev_info(adev->dev, "SECUREDISPLAY: I2C buffer out put is :%s\n", i2c_output);
+			} else {
+				psp_securedisplay_parse_resp_status(psp, securedisplay_cmd->status);
+			}
+		}
+		break;
+	default:
+		dev_err(adev->dev, "Invalid input: %s\n", str);
+	}
+
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
+
+	return size;
+}
+
+static const struct file_operations amdgpu_securedisplay_debugfs_ops = {
+	.owner = THIS_MODULE,
+	.read = NULL,
+	.write = amdgpu_securedisplay_debugfs_write,
+	.llseek = default_llseek
+};
+
+void amdgpu_securedisplay_debugfs_init(struct amdgpu_device *adev)
+{
+#if defined(CONFIG_DEBUG_FS)
+
+	if (!adev->psp.securedisplay_context.securedisplay_initialized)
+		return;
+
+	debugfs_create_file("securedisplay_test", S_IWUSR, adev_to_drm(adev)->primary->debugfs_root,
+				adev, &amdgpu_securedisplay_debugfs_ops);
+#endif
+}