Tentative fix for NVIDIA 465.31 driver for Linux 5.14-rc1

nvidia-fix-linux-5.14.patch

From f18c541edc5e122b06b0c1e65d0a422f0b8109e7 Mon Sep 17 00:00:00 2001
From: Joan Bruguera <joanbrugueram@gmail.com>
Date: Fri, 2 Jul 2021 02:09:58 +0200
Subject: [PATCH] Tentative fix for NVIDIA 465.31 driver for Linux 5.14-rc1

---
 common/inc/nv-time.h        | 6 ++++++
 nvidia-drm/nvidia-drm-drv.c | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/common/inc/nv-time.h b/common/inc/nv-time.h
index dc80806..cc343a5 100644
--- a/common/inc/nv-time.h
+++ b/common/inc/nv-time.h
@@ -23,6 +23,7 @@
 #ifndef __NV_TIME_H__
 #define __NV_TIME_H__
 
+#include <linux/version.h>
 #include "conftest.h"
 #include <linux/sched.h>
 #include <linux/delay.h>
@@ -205,7 +206,12 @@ static inline NV_STATUS nv_sleep_ms(unsigned int ms)
         // the requested timeout has expired, loop until less
         // than a jiffie of the desired delay remains.
         //
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 14, 0))
         current->state = TASK_INTERRUPTIBLE;
+#else
+        // Rel. commit "sched: Change task_struct::state" (Peter Zijlstra, Jun 11 2021)
+        WRITE_ONCE(current->__state, TASK_INTERRUPTIBLE);
+#endif
         do
         {
             schedule_timeout(jiffies);
diff --git a/nvidia-drm/nvidia-drm-drv.c b/nvidia-drm/nvidia-drm-drv.c
index 84d4479..99ea552 100644
--- a/nvidia-drm/nvidia-drm-drv.c
+++ b/nvidia-drm/nvidia-drm-drv.c
@@ -20,6 +20,7 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include <linux/version.h>
 #include "nvidia-drm-conftest.h" /* NV_DRM_AVAILABLE and NV_DRM_DRM_GEM_H_PRESENT */
 
 #include "nvidia-drm-priv.h"
@@ -903,9 +904,12 @@ static void nv_drm_register_drm_device(const nv_gpu_info_t *gpu_info)
 
     dev->dev_private = nv_dev;
     nv_dev->dev = dev;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 14, 0))
+    // Rel. commit "drm: Remove pdev field from struct drm_device" (Thomas Zimmermann, 3 May 2021)
     if (device->bus == &pci_bus_type) {
         dev->pdev = to_pci_dev(device);
     }
+#endif
 
     /* Register DRM device to DRM sub-system */
 
-- 
2.32.0