535.274.02

Author: mmaneetsingh

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 535.261.03.
+version 535.274.02.
 
 
 ## 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
-535.261.03 driver release.  This can be achieved by installing
+535.274.02 driver release.  This can be achieved by installing
 the NVIDIA GPU driver from the .run file using the `--no-kernel-modules`
 option.  E.g.,
 
@@ -180,15 +180,15 @@ software applications.
 ## Compatible GPUs
 
 The open-gpu-kernel-modules can be used on any Turing or later GPU
-(see the table below). However, in the 535.261.03 release,
+(see the table below). However, in the 535.274.02 release,
 GeForce and Workstation support is still considered alpha-quality.
 
 To enable use of the open kernel modules on GeForce and Workstation GPUs,
 set the "NVreg_OpenRmEnableUnsupportedGpus" nvidia.ko kernel module
 parameter to 1. For more details, see the NVIDIA GPU driver end user
 README here:
 
-https://us.download.nvidia.com/XFree86/Linux-x86_64/535.261.03/README/kernel_open.html
+https://us.download.nvidia.com/XFree86/Linux-x86_64/535.274.02/README/kernel_open.html
 
 In the below table, if three IDs are listed, the first is the PCI Device 
 ID, the second is the PCI Subsystem Vendor ID, and the third is the PCI

kernel-open/Kbuild

@@ -79,7 +79,7 @@ ccflags-y += -I$(src)/common/inc
 ccflags-y += -I$(src)
 ccflags-y += -Wall $(DEFINES) $(INCLUDES) -Wno-cast-qual -Wno-format-extra-args
 ccflags-y += -D__KERNEL__ -DMODULE -DNVRM
-ccflags-y += -DNV_VERSION_STRING=\"535.261.03\"
+ccflags-y += -DNV_VERSION_STRING=\"535.274.02\"
 
 ifneq ($(SYSSRCHOST1X),)
  ccflags-y += -I$(SYSSRCHOST1X)

kernel-open/conftest.sh

@@ -4041,6 +4041,43 @@ compile_test() {
             fi
         ;;
 
+        drm_fb_create_takes_format_info)
+            #
+            # Determine if a `struct drm_format_info *` is passed into
+            # the .fb_create callback. If so, it will have 4 arguments.
+            # This parameter was added in commit 81112eaac559 ("drm:
+            # Pass the format info to .fb_create") in linux-next
+            # (2025-07-16)
+            CODE="
+            #include <drm/drm_mode_config.h>
+            #include <drm/drm_framebuffer.h>
+
+            static const struct drm_mode_config_funcs funcs;
+            void conftest_drm_fb_create_takes_format_info(void) {
+                funcs.fb_create(NULL, NULL, NULL, NULL); 
+            }"
+
+            compile_check_conftest "$CODE" "NV_DRM_FB_CREATE_TAKES_FORMAT_INFO" "" "types"
+        ;;
+
+        drm_fill_fb_struct_takes_format_info)
+            #
+            # Determine if a `struct drm_format_info *` is passed into
+            # drm_helper_mode_fill_fb_struct(). If so, it will have 4 arguments.
+            # This parameter was added in commit a34cc7bf1034 ("drm:
+            # Allow the caller to pass in the format info to
+            # drm_helper_mode_fill_fb_struct()") in linux-next
+            # (2025-07-16)
+            CODE="
+            #include <drm/drm_modeset_helper.h>
+
+            void conftest_drm_fill_fb_struct_takes_format_info(void) {
+                drm_helper_mode_fill_fb_struct(NULL, NULL, NULL, NULL);
+            }"
+
+            compile_check_conftest "$CODE" "NV_DRM_FILL_FB_STRUCT_TAKES_FORMAT_INFO" "" "types"
+        ;;
+
         drm_connector_funcs_have_mode_in_name)
             #
             # Determine if _mode_ is present in connector function names.  We

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

@@ -154,11 +154,14 @@ static void nv_drm_output_poll_changed(struct drm_device *dev)
 static struct drm_framebuffer *nv_drm_framebuffer_create(
     struct drm_device *dev,
     struct drm_file *file,
-    #if defined(NV_DRM_HELPER_MODE_FILL_FB_STRUCT_HAS_CONST_MODE_CMD_ARG)
+#if defined(NV_DRM_FB_CREATE_TAKES_FORMAT_INFO)
+    const struct drm_format_info *info,
+#endif
+#if defined(NV_DRM_HELPER_MODE_FILL_FB_STRUCT_HAS_CONST_MODE_CMD_ARG)
     const struct drm_mode_fb_cmd2 *cmd
-    #else
+#else
     struct drm_mode_fb_cmd2 *cmd
-    #endif
+#endif
 )
 {
     struct drm_mode_fb_cmd2 local_cmd;
@@ -169,11 +172,14 @@ static struct drm_framebuffer *nv_drm_framebuffer_create(
     fb = nv_drm_internal_framebuffer_create(
             dev,
             file,
+#if defined(NV_DRM_FB_CREATE_TAKES_FORMAT_INFO)
+            info,
+#endif
             &local_cmd);
 
-    #if !defined(NV_DRM_HELPER_MODE_FILL_FB_STRUCT_HAS_CONST_MODE_CMD_ARG)
+#if !defined(NV_DRM_HELPER_MODE_FILL_FB_STRUCT_HAS_CONST_MODE_CMD_ARG)
     *cmd = local_cmd;
-    #endif
+#endif
 
     return fb;
 }

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

@@ -206,6 +206,9 @@ static int nv_drm_framebuffer_init(struct drm_device *dev,
 struct drm_framebuffer *nv_drm_internal_framebuffer_create(
     struct drm_device *dev,
     struct drm_file *file,
+#if defined(NV_DRM_FB_CREATE_TAKES_FORMAT_INFO)
+    const struct drm_format_info *info,
+#endif
     struct drm_mode_fb_cmd2 *cmd)
 {
     struct nv_drm_device *nv_dev = to_nv_device(dev);
@@ -259,6 +262,9 @@ struct drm_framebuffer *nv_drm_internal_framebuffer_create(
         dev,
         #endif
         &nv_fb->base,
+#if defined(NV_DRM_FB_CREATE_TAKES_FORMAT_INFO)
+        info,
+#endif 
         cmd);
 
     /*

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

@@ -59,6 +59,9 @@ static inline struct nv_drm_framebuffer *to_nv_framebuffer(
 struct drm_framebuffer *nv_drm_internal_framebuffer_create(
     struct drm_device *dev,
     struct drm_file *file,
+#if defined(NV_DRM_FB_CREATE_TAKES_FORMAT_INFO)
+    const struct drm_format_info *info,
+#endif
     struct drm_mode_fb_cmd2 *cmd);
 
 #endif /* NV_DRM_ATOMIC_MODESET_AVAILABLE */

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

@@ -451,6 +451,13 @@ int nv_drm_atomic_commit(struct drm_device *dev,
 #else
     drm_atomic_helper_swap_state(dev, state);
 #endif
+    /*
+     * Used to update legacy modeset state pointers to support UAPIs not updated
+     * by the core atomic modeset infrastructure.
+     *
+     * Example: /sys/class/drm/<card connector>/enabled
+     */
+    drm_atomic_helper_update_legacy_modeset_state(dev, state);
 
     /*
      * nv_drm_atomic_commit_internal() must not return failure after

kernel-open/nvidia-drm/nvidia-drm.Kbuild

@@ -139,3 +139,4 @@ 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
+NV_CONFTEST_TYPE_COMPILE_TESTS += drm_fb_create_takes_format_info

kernel-open/nvidia-uvm/uvm_va_block.c

@@ -11519,6 +11519,11 @@ NV_STATUS uvm_va_block_evict_chunks(uvm_va_block_t *va_block,
         return NV_ERR_NO_MEMORY;
     }
 
+    if (uvm_va_block_is_hmm(va_block)) {
+        memset(block_context->hmm.src_pfns, 0, sizeof(block_context->hmm.src_pfns));
+        memset(block_context->hmm.dst_pfns, 0, sizeof(block_context->hmm.dst_pfns));
+    }
+
     pages_to_evict = &block_context->caller_page_mask;
     uvm_page_mask_zero(pages_to_evict);
     chunk_region.outer = 0;

kernel-open/nvidia/nv-frontend.c

@@ -42,9 +42,12 @@ MODULE_ALIAS_CHARDEV_MAJOR(NV_MAJOR_DEVICE_NUMBER);
  * DMA_BUF namespace is added by commit id 16b0314aa746
  * ("dma-buf: move dma-buf symbols into the DMA_BUF module namespace") in 5.16
  */
+#if defined(NV_MODULE_IMPORT_NS_TAKES_CONSTANT)
 MODULE_IMPORT_NS(DMA_BUF);
-
-#endif
+#else
+MODULE_IMPORT_NS("DMA_BUF");
+#endif  // defined(NV_MODULE_IMPORT_NS_TAKES_CONSTANT)
+#endif  // defined(MODULE_IMPORT_NS)
 
 static NvU32 nv_num_instances;