pva: mirror from gitlab cv/pva-sys-sw

Gitlab commit e56dfe9c0b2c3 ("kmd: increase timeouts in nati...")

Changes since last deployment:

- kmd: increase timeouts in native debug builds
- fw: Add support to report invalid cmd index
- Honor submission timeout while waiting for space in Fence Buffer
- deploy: Make GVS polling more robust
- deploy: Update GPL 2 license
- deploy: Generate change summary in commit message
- Enabling thread safety tests
- tests: enable MultipleContexts.MaxContext_SingleThread_SingleProcessOnlyo

Change-Id: I8e9353205d322c2a6f3e93875d8b8a8025af4195
Signed-off-by: nanwa <nanwa@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3326483
Reviewed-by: Mohnish Jain <mohnishj@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>

drivers/video/tegra/host/pva/Makefile

@@ -1,14 +1,5 @@
 # SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: GPL-2.0-only
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
 
 
 ifndef CONFIG_TEGRA_SYSTEM_TYPE_ACK

drivers/video/tegra/host/pva/src/include/pva_api_types.h

@@ -345,7 +345,7 @@ struct pva_cmdbuf_status {
 	uint64_t timestamp;
 	/** Additional status information for the engine state */
 	uint32_t info32;
-	/** Additional status information for the engine state */
+	/** Index of cmd that resulted in error */
 	uint16_t info16;
 	/** Error code. Type: enum pva_error */
 	uint16_t status;

drivers/video/tegra/host/pva/src/kmd/common/pva_kmd_constants.h

@@ -23,6 +23,13 @@
 // clang-format off
 #if PVA_BUILD_MODE == PVA_BUILD_MODE_SIM
     #define PVA_KMD_TIMEOUT_FACTOR 100
+#elif (PVA_BUILD_MODE == PVA_BUILD_MODE_NATIVE) && (PVA_IS_DEBUG == 1)
+    // On native builds, the FW calls the KMD's shared buffer handler in its
+    // own thread. In debug builds, if there are a large number of messages
+    // (prints, unregister, etc.), this handler might take a while to execute,
+    // making the FW and delay the processing of command buffers. This could
+    // lead to submission timeouts in KMD.
+    #define PVA_KMD_TIMEOUT_FACTOR 10
 #else
     #define PVA_KMD_TIMEOUT_FACTOR 1
 #endif

drivers/video/tegra/host/pva/src/kmd/linux/Kbuild

@@ -1,14 +1,5 @@
 # SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: GPL-2.0-only
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
 
 obj-m := pva_kmd_linux.o