Instead of storing coredump information inside amdgpu_device struct,
move if to a proper separated struct and allocate it dynamically. This
will make it easier to further expand the logged information.

Signed-off-by: André Almeida <andrealm...@igalia.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h        | 14 +++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 65 ++++++++++++++--------
 2 files changed, 51 insertions(+), 28 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9c6a332261ab..0d560b713948 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1088,11 +1088,6 @@ struct amdgpu_device {
        uint32_t                        *reset_dump_reg_list;
        uint32_t                        *reset_dump_reg_value;
        int                             num_regs;
-#ifdef CONFIG_DEV_COREDUMP
-       struct amdgpu_task_info         reset_task_info;
-       bool                            reset_vram_lost;
-       struct timespec64               reset_time;
-#endif
 
        bool                            scpm_enabled;
        uint32_t                        scpm_status;
@@ -1105,6 +1100,15 @@ struct amdgpu_device {
        uint32_t                        aid_mask;
 };
 
+#ifdef CONFIG_DEV_COREDUMP
+struct amdgpu_coredump_info {
+       struct amdgpu_device            *adev;
+       struct amdgpu_task_info         reset_task_info;
+       struct timespec64               reset_time;
+       bool                            reset_vram_lost;
+};
+#endif
+
 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
 {
        return container_of(ddev, struct amdgpu_device, ddev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index bf4781551f88..419b6336de64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4799,12 +4799,17 @@ static int amdgpu_reset_reg_dumps(struct amdgpu_device 
*adev)
        return 0;
 }
 
-#ifdef CONFIG_DEV_COREDUMP
+#ifndef CONFIG_DEV_COREDUMP
+static void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost,
+                           struct amdgpu_reset_context *reset_context)
+{
+}
+#else
 static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset,
                size_t count, void *data, size_t datalen)
 {
        struct drm_printer p;
-       struct amdgpu_device *adev = data;
+       struct amdgpu_coredump_info *coredump = data;
        struct drm_print_iterator iter;
        int i;
 
@@ -4818,21 +4823,21 @@ static ssize_t amdgpu_devcoredump_read(char *buffer, 
loff_t offset,
        drm_printf(&p, "**** AMDGPU Device Coredump ****\n");
        drm_printf(&p, "kernel: " UTS_RELEASE "\n");
        drm_printf(&p, "module: " KBUILD_MODNAME "\n");
-       drm_printf(&p, "time: %lld.%09ld\n", adev->reset_time.tv_sec, 
adev->reset_time.tv_nsec);
-       if (adev->reset_task_info.pid)
+       drm_printf(&p, "time: %lld.%09ld\n", coredump->reset_time.tv_sec, 
coredump->reset_time.tv_nsec);
+       if (coredump->reset_task_info.pid)
                drm_printf(&p, "process_name: %s PID: %d\n",
-                          adev->reset_task_info.process_name,
-                          adev->reset_task_info.pid);
+                          coredump->reset_task_info.process_name,
+                          coredump->reset_task_info.pid);
 
-       if (adev->reset_vram_lost)
+       if (coredump->reset_vram_lost)
                drm_printf(&p, "VRAM is lost due to GPU reset!\n");
-       if (adev->num_regs) {
+       if (coredump->adev->num_regs) {
                drm_printf(&p, "AMDGPU register dumps:\nOffset:     Value:\n");
 
-               for (i = 0; i < adev->num_regs; i++)
+               for (i = 0; i < coredump->adev->num_regs; i++)
                        drm_printf(&p, "0x%08x: 0x%08x\n",
-                                  adev->reset_dump_reg_list[i],
-                                  adev->reset_dump_reg_value[i]);
+                                  coredump->adev->reset_dump_reg_list[i],
+                                  coredump->adev->reset_dump_reg_value[i]);
        }
 
        return count - iter.remain;
@@ -4840,14 +4845,34 @@ static ssize_t amdgpu_devcoredump_read(char *buffer, 
loff_t offset,
 
 static void amdgpu_devcoredump_free(void *data)
 {
+       kfree(data);
 }
 
-static void amdgpu_reset_capture_coredumpm(struct amdgpu_device *adev)
+static void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost,
+                           struct amdgpu_reset_context *reset_context)
 {
+       struct amdgpu_coredump_info *coredump;
        struct drm_device *dev = adev_to_drm(adev);
 
-       ktime_get_ts64(&adev->reset_time);
-       dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_NOWAIT,
+       coredump = kmalloc(sizeof(*coredump), GFP_NOWAIT);
+
+       if (!coredump) {
+               DRM_ERROR("%s: failed to allocate memory for coredump\n", 
__func__);
+               return;
+       }
+
+       memset(coredump, 0, sizeof(*coredump));
+
+       coredump->reset_vram_lost = vram_lost;
+
+       if (reset_context->job && reset_context->job->vm)
+               coredump->reset_task_info = reset_context->job->vm->task_info;
+
+       coredump->adev = adev;
+
+       ktime_get_ts64(&coredump->reset_time);
+
+       dev_coredumpm(dev->dev, THIS_MODULE, coredump, 0, GFP_NOWAIT,
                      amdgpu_devcoredump_read, amdgpu_devcoredump_free);
 }
 #endif
@@ -4955,15 +4980,9 @@ int amdgpu_do_asic_reset(struct list_head 
*device_list_handle,
                                        goto out;
 
                                vram_lost = 
amdgpu_device_check_vram_lost(tmp_adev);
-#ifdef CONFIG_DEV_COREDUMP
-                               tmp_adev->reset_vram_lost = vram_lost;
-                               memset(&tmp_adev->reset_task_info, 0,
-                                               
sizeof(tmp_adev->reset_task_info));
-                               if (reset_context->job && 
reset_context->job->vm)
-                                       tmp_adev->reset_task_info =
-                                               
reset_context->job->vm->task_info;
-                               amdgpu_reset_capture_coredumpm(tmp_adev);
-#endif
+
+                               amdgpu_coredump(tmp_adev, vram_lost, 
reset_context);
+
                                if (vram_lost) {
                                        DRM_INFO("VRAM is lost due to GPU 
reset!\n");
                                        amdgpu_inc_vram_lost(tmp_adev);
-- 
2.41.0

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