550.163.01

Author: niv

README.md

@@ -1,7 +1,7 @@
 # NVIDIA Linux Open GPU Kernel Module Source
 
 This is the source release of the NVIDIA Linux open GPU kernel modules,
-version 550.144.03.
+version 550.163.01.
 
 
 ## How to Build
@@ -17,7 +17,7 @@ as root:
 
 Note that the kernel modules built here must be used with GSP
 firmware and user-space NVIDIA GPU driver components from a corresponding
-550.144.03 driver release.  This can be achieved by installing
+550.163.01 driver release.  This can be achieved by installing
 the NVIDIA GPU driver from the .run file using the `--no-kernel-modules`
 option.  E.g.,
 
@@ -188,7 +188,7 @@ encountered specific to them.
 For details on feature support and limitations, see the NVIDIA GPU driver
 end user README here:
 
-https://us.download.nvidia.com/XFree86/Linux-x86_64/550.144.03/README/kernel_open.html
+https://us.download.nvidia.com/XFree86/Linux-x86_64/550.163.01/README/kernel_open.html
 
 For vGPU support, please refer to the README.vgpu packaged in the vGPU Host
 Package for more details.
@@ -933,4 +933,5 @@ Subsystem Device ID.
 | NVIDIA RTX 500 Ada Generation Laptop GPU        | 28BB           |
 | NVIDIA GeForce RTX 4060 Laptop GPU              | 28E0           |
 | NVIDIA GeForce RTX 4050 Laptop GPU              | 28E1           |
+| NVIDIA GeForce RTX 3050 A Laptop GPU            | 28E3           |
 | NVIDIA RTX 2000 Ada Generation Embedded GPU     | 28F8           |

kernel-open/Kbuild

@@ -86,7 +86,7 @@ EXTRA_CFLAGS += -I$(src)/common/inc
 EXTRA_CFLAGS += -I$(src)
 EXTRA_CFLAGS += -Wall $(DEFINES) $(INCLUDES) -Wno-cast-qual -Wno-format-extra-args
 EXTRA_CFLAGS += -D__KERNEL__ -DMODULE -DNVRM
-EXTRA_CFLAGS += -DNV_VERSION_STRING=\"550.144.03\"
+EXTRA_CFLAGS += -DNV_VERSION_STRING=\"550.163.01\"
 
 ifneq ($(SYSSRCHOST1X),)
  EXTRA_CFLAGS += -I$(SYSSRCHOST1X)
@@ -186,6 +186,7 @@ NV_CFLAGS_FROM_CONFTEST := $(shell $(NV_CONFTEST_CMD) build_cflags)
 NV_CONFTEST_CFLAGS = $(NV_CFLAGS_FROM_CONFTEST) $(EXTRA_CFLAGS) -fno-pie
 NV_CONFTEST_CFLAGS += $(call cc-disable-warning,pointer-sign)
 NV_CONFTEST_CFLAGS += $(call cc-option,-fshort-wchar,)
+NV_CONFTEST_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types,)
 NV_CONFTEST_CFLAGS += -Wno-error
 
 NV_CONFTEST_COMPILE_TEST_HEADERS := $(obj)/conftest/macros.h

kernel-open/common/inc/nvmisc.h

@@ -694,6 +694,42 @@ nvPrevPow2_U64(const NvU64 x )
     }                                                       \
 }
 
+//
+// Bug 4851259: Newly added functions must be hidden from certain HS-signed
+// ucode compilers to avoid signature mismatch.
+//
+#ifndef NVDEC_1_0
+/*!
+ * Returns the position of nth set bit in the given mask.
+ *
+ * Returns -1 if mask has fewer than n bits set.
+ *
+ * n is 0 indexed and has valid values 0..31 inclusive, so "zeroth" set bit is
+ * the first set LSB.
+ *
+ * Example, if mask = 0x000000F0u and n = 1, the return value will be 5.
+ * Example, if mask = 0x000000F0u and n = 4, the return value will be -1.
+ */
+static NV_FORCEINLINE NvS32
+nvGetNthSetBitIndex32(NvU32 mask, NvU32 n)
+{
+    NvU32 seenSetBitsCount = 0;
+    NvS32 index;
+    FOR_EACH_INDEX_IN_MASK(32, index, mask)
+    {
+        if (seenSetBitsCount == n)
+        {
+            return index;
+        }
+        ++seenSetBitsCount;
+    }
+    FOR_EACH_INDEX_IN_MASK_END;
+
+    return -1;
+}
+
+#endif // NVDEC_1_0
+
 //
 // Size to use when declaring variable-sized arrays
 //

kernel-open/conftest.sh

@@ -5321,6 +5321,45 @@ compile_test() {
 
             compile_check_conftest "$CODE" "NV_FOLLOW_PFN_PRESENT" "" "functions"
         ;;
+
+        follow_pte_arg_vma)
+            #
+            # Determine if the first argument of follow_pte is
+            # mm_struct or vm_area_struct.
+            #
+            # The first argument was changed from mm_struct to vm_area_struct by
+            # commit 29ae7d96d166 ("mm: pass VMA instead of MM to follow_pte()")
+            #
+            CODE="
+            #include <linux/mm.h>
+
+            typeof(follow_pte) conftest_follow_pte_has_vma_arg;
+            int conftest_follow_pte_has_vma_arg(struct vm_area_struct *vma,
+                                                unsigned long address,
+                                                pte_t **ptep,
+                                                spinlock_t **ptl) {
+                return 0;
+            }"
+
+            compile_check_conftest "$CODE" "NV_FOLLOW_PTE_ARG1_VMA" "" "types"
+        ;;
+
+        ptep_get)
+            #
+            # Determine if ptep_get() is present.
+            #
+            # ptep_get() was added by commit 481e980a7c19
+            # ("mm: Allow arches to provide ptep_get()")
+            #
+            CODE="
+            #include <linux/mm.h>
+            void conftest_ptep_get(void) {
+                ptep_get();
+            }"
+
+            compile_check_conftest "$CODE" "NV_PTEP_GET_PRESENT" "" "functions"
+        ;;
+
         drm_plane_atomic_check_has_atomic_state_arg)
             #
             # Determine if drm_plane_helper_funcs::atomic_check takes 'state'
@@ -6269,6 +6308,32 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_NUM_REGISTERED_FB_PRESENT" "" "types"
         ;;
 
+        acpi_video_register_backlight)
+            #
+            # Determine if acpi_video_register_backlight() function is present
+            #
+            # acpi_video_register_backlight was added by commit 3dbc80a3e4c55c
+            # (ACPI: video: Make backlight class device registration a separate
+            # step (v2)) for v6.0 (2022-09-02).
+            # Note: the include directive for <linux/types> in this conftest is
+            # necessary in order to support kernels between commit 0b9f7d93ca61
+            # ("ACPI / i915: ignore firmware requests backlight change") for
+            # v3.16 (2014-07-07) and commit 3bd6bce369f5 ("ACPI / video: Port
+            # to new backlight interface selection API") for v4.2 (2015-07-16).
+            # Kernels within this range use the 'bool' type and the related
+            # 'false' value in <acpi/video.h> without first including the
+            # definitions of that type and value.
+            #
+            CODE="
+            #include <linux/types.h>
+            #include <acpi/video.h>
+            void conftest_acpi_video_register_backlight(void) {
+                acpi_video_register_backlight(0);
+            }"
+
+            compile_check_conftest "$CODE" "NV_ACPI_VIDEO_REGISTER_BACKLIGHT" "" "functions"
+        ;;
+
         acpi_video_backlight_use_native)
             #
             # Determine if acpi_video_backlight_use_native() function is present
@@ -6652,13 +6717,18 @@ compile_test() {
             #
             # Determine whether drm_client_setup is present.
             #
-            # Added by commit d07fdf922592 ("drm/fbdev-ttm:
-            # Convert to client-setup") in v6.13.
+            # Added by commit d07fdf922592 ("drm/fbdev-ttm: Convert to
+            # client-setup") in v6.13 in drm/drm_client_setup.h, but then moved
+            # to drm/clients/drm_client_setup.h by commit b86711c6d6e2
+            # ("drm/client: Move public client header to clients/ subdirectory")
+            # in linux-next b86711c6d6e2.
             #
             CODE="
             #include <drm/drm_fb_helper.h>
             #if defined(NV_DRM_DRM_CLIENT_SETUP_H_PRESENT)
             #include <drm/drm_client_setup.h>
+            #elif defined(NV_DRM_CLIENTS_DRM_CLIENT_SETUP_H_PRESENT)
+            #include <drm/clients/drm_client_setup.h>
             #endif
             void conftest_drm_client_setup(void) {
                 drm_client_setup();
@@ -7038,6 +7108,58 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_FOLIO_TEST_SWAPCACHE_PRESENT" "" "functions"
         ;;
 
+
+        drm_driver_has_date)
+            #
+            # Determine if the 'drm_driver' structure has a 'date' field.
+            #
+            # Removed by commit cb2e1c2136f7 ("drm: remove driver date from
+            # struct drm_driver and all drivers") in linux-next, expected in
+            # v6.14.
+            #
+            CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
+            #include <drm/drmP.h>
+            #endif
+
+            #if defined(NV_DRM_DRM_DRV_H_PRESENT)
+            #include <drm/drm_drv.h>
+            #endif
+
+            int conftest_drm_driver_has_date(void) {
+                return offsetof(struct drm_driver, date);
+            }"
+
+            compile_check_conftest "$CODE" "NV_DRM_DRIVER_HAS_DATE" "" "types"
+        ;;
+
+        drm_connector_helper_funcs_mode_valid_has_const_mode_arg)
+            #
+            # Determine if the 'mode' pointer argument is const in
+            # drm_connector_helper_funcs::mode_valid.
+            #
+            # The 'mode' pointer argument in
+            # drm_connector_helper_funcs::mode_valid was made const by commit
+            # 26d6fd81916e ("drm/connector: make mode_valid take a const struct
+            # drm_display_mode") in linux-next, expected in v6.15.
+            #
+            CODE="
+            #if defined(NV_DRM_DRM_ATOMIC_HELPER_H_PRESENT)
+            #include <drm/drm_atomic_helper.h>
+            #endif
+
+            static int conftest_drm_connector_mode_valid(struct drm_connector *connector,
+                                                         const struct drm_display_mode *mode) {
+                return 0;
+            }
+
+            const struct drm_connector_helper_funcs conftest_drm_connector_helper_funcs = {
+                .mode_valid = conftest_drm_connector_mode_valid,
+            };"
+
+            compile_check_conftest "$CODE" "NV_DRM_CONNECTOR_HELPER_FUNCS_MODE_VALID_HAS_CONST_MODE_ARG" "" "types"
+        ;;
+
         # When adding a new conftest entry, please use the correct format for
         # specifying the relevant upstream Linux kernel commit.  Please
         # avoid specifying -rc kernels, and only use SHAs that actually exist

kernel-open/nvidia-drm/nvidia-drm-conftest.h

@@ -65,9 +65,13 @@
 #if defined(NV_DRM_CLIENT_SETUP_PRESENT) &&                                    \
     (defined(NV_DRM_APERTURE_REMOVE_CONFLICTING_PCI_FRAMEBUFFERS_PRESENT) ||   \
      defined(NV_APERTURE_REMOVE_CONFLICTING_PCI_DEVICES_PRESENT))
+// XXX remove dependency on DRM_TTM_HELPER by implementing nvidia-drm's own
+// .fbdev_probe callback that uses NVKMS kapi
+#if IS_ENABLED(CONFIG_DRM_TTM_HELPER)
 #define NV_DRM_FBDEV_AVAILABLE
 #define NV_DRM_CLIENT_AVAILABLE
 #endif
+#endif
 
 /*
  * We can support color management if either drm_helper_crtc_enable_color_mgmt()

kernel-open/nvidia-drm/nvidia-drm-connector.c

@@ -314,7 +314,11 @@ static int nv_drm_connector_get_modes(struct drm_connector *connector)
 }
 
 static int nv_drm_connector_mode_valid(struct drm_connector    *connector,
+#if defined(NV_DRM_CONNECTOR_HELPER_FUNCS_MODE_VALID_HAS_CONST_MODE_ARG)
+                                       const struct drm_display_mode *mode)
+#else
                                        struct drm_display_mode *mode)
+#endif
 {
     struct drm_device *dev = connector->dev;
     struct nv_drm_device *nv_dev = to_nv_device(dev);

kernel-open/nvidia-drm/nvidia-drm-drv.c

@@ -1730,14 +1730,18 @@ static struct drm_driver nv_drm_driver = {
     .name                   = "nvidia-drm",
 
     .desc                   = "NVIDIA DRM driver",
+
+#if defined(NV_DRM_DRIVER_HAS_DATE)
     .date                   = "20160202",
+#endif
 
 #if defined(NV_DRM_DRIVER_HAS_DEVICE_LIST)
     .device_list            = LIST_HEAD_INIT(nv_drm_driver.device_list),
 #elif defined(NV_DRM_DRIVER_HAS_LEGACY_DEV_LIST)
     .legacy_dev_list        = LIST_HEAD_INIT(nv_drm_driver.legacy_dev_list),
 #endif
-#if defined(DRM_FBDEV_TTM_DRIVER_OPS)
+// XXX implement nvidia-drm's own .fbdev_probe callback that uses NVKMS kapi directly
+#if defined(NV_DRM_FBDEV_AVAILABLE) && defined(DRM_FBDEV_TTM_DRIVER_OPS)
     DRM_FBDEV_TTM_DRIVER_OPS,
 #endif
 };

kernel-open/nvidia-drm/nvidia-drm-sources.mk

@@ -134,4 +134,6 @@ NV_CONFTEST_TYPE_COMPILE_TESTS += drm_aperture_remove_conflicting_pci_framebuffe
 NV_CONFTEST_TYPE_COMPILE_TESTS += drm_mode_create_dp_colorspace_property_has_supported_colorspaces_arg
 NV_CONFTEST_TYPE_COMPILE_TESTS += drm_unlocked_ioctl_flag_present
 NV_CONFTEST_TYPE_COMPILE_TESTS += drm_output_poll_changed
+NV_CONFTEST_TYPE_COMPILE_TESTS += drm_driver_has_date
 NV_CONFTEST_TYPE_COMPILE_TESTS += file_operations_fop_unsigned_offset_present
+NV_CONFTEST_TYPE_COMPILE_TESTS += drm_connector_helper_funcs_mode_valid_has_const_mode_arg

kernel-open/nvidia-modeset/nvidia-modeset-linux.c

@@ -996,6 +996,11 @@ nvkms_register_backlight(NvU32 gpu_id, NvU32 display_id, void *drv_priv,
 
 #if defined(NV_ACPI_VIDEO_BACKLIGHT_USE_NATIVE)
     if (!acpi_video_backlight_use_native()) {
+#if defined(NV_ACPI_VIDEO_REGISTER_BACKLIGHT)
+        nvkms_log(NVKMS_LOG_LEVEL_INFO, NVKMS_LOG_PREFIX,
+                  "ACPI reported no NVIDIA native backlight available; attempting to use ACPI backlight.");
+        acpi_video_register_backlight();
+#endif
         return NULL;
     }
 #endif

kernel-open/nvidia-modeset/nvidia-modeset.Kbuild

@@ -102,3 +102,4 @@ NV_CONFTEST_FUNCTION_COMPILE_TESTS += list_is_first
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += ktime_get_real_ts64
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += ktime_get_raw_ts64
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += acpi_video_backlight_use_native
+NV_CONFTEST_FUNCTION_COMPILE_TESTS += acpi_video_register_backlight