On 17/08/2023 20:20, André Almeida wrote:
To better organize struct amdgpu_device, keep all reset information
related fields together in a separated struct.

Signed-off-by: André Almeida <andrealm...@igalia.com>
---
v5: new patch, as requested by Shashank Sharma
---
  drivers/gpu/drm/amd/amdgpu/amdgpu.h         | 34 +++++++++++++--------
  drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 10 +++---
  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c  | 16 +++++-----
  3 files changed, 34 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 0d560b713948..56d78ca6e917 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -781,6 +781,26 @@ struct amdgpu_mqd {
  #define AMDGPU_PRODUCT_NAME_LEN 64
  struct amdgpu_reset_domain;
+#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
+
+struct amdgpu_reset_info {
+       /* reset dump register */
+       u32 *reset_dump_reg_list;
+       u32 *reset_dump_reg_value;
+       int num_regs;
+
+#ifdef CONFIG_DEV_COREDUMP
+       struct amdgpu_coredump_info *coredump_info;
+#endif
+};
+
  /*
   * Non-zero (true) if the GPU has VRAM. Zero (false) otherwise.
   */
@@ -1084,10 +1104,7 @@ struct amdgpu_device {
struct mutex benchmark_mutex; - /* reset dump register */
-       uint32_t                        *reset_dump_reg_list;
-       uint32_t                        *reset_dump_reg_value;
-       int                             num_regs;
+       struct amdgpu_reset_info        reset_info;
bool scpm_enabled;
        uint32_t                        scpm_status;
@@ -1100,15 +1117,6 @@ 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_debugfs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index a4faea4fa0b5..3136a0774dd9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -2016,8 +2016,8 @@ static ssize_t 
amdgpu_reset_dump_register_list_read(struct file *f,
        if (ret)
                return ret;
- for (i = 0; i < adev->num_regs; i++) {
-               sprintf(reg_offset, "0x%x\n", adev->reset_dump_reg_list[i]);
+       for (i = 0; i < adev->reset_info.num_regs; i++) {
+               sprintf(reg_offset, "0x%x\n", 
adev->reset_info.reset_dump_reg_list[i]);
                up_read(&adev->reset_domain->sem);
                if (copy_to_user(buf + len, reg_offset, strlen(reg_offset)))
                        return -EFAULT;
@@ -2074,9 +2074,9 @@ static ssize_t 
amdgpu_reset_dump_register_list_write(struct file *f,
        if (ret)
                goto error_free;
- swap(adev->reset_dump_reg_list, tmp);
-       swap(adev->reset_dump_reg_value, new);
-       adev->num_regs = i;
+       swap(adev->reset_info.reset_dump_reg_list, tmp);
+       swap(adev->reset_info.reset_dump_reg_value, new);
+       adev->reset_info.num_regs = i;
        up_write(&adev->reset_domain->sem);
        ret = size;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index b5b879bcc5c9..96975591841d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4790,10 +4790,10 @@ static int amdgpu_reset_reg_dumps(struct amdgpu_device 
*adev)
lockdep_assert_held(&adev->reset_domain->sem); - for (i = 0; i < adev->num_regs; i++) {
-               adev->reset_dump_reg_value[i] = 
RREG32(adev->reset_dump_reg_list[i]);
-               trace_amdgpu_reset_reg_dumps(adev->reset_dump_reg_list[i],
-                                            adev->reset_dump_reg_value[i]);
+       for (i = 0; i < adev->reset_info.num_regs; i++) {
+               adev->reset_info.reset_dump_reg_value[i] = 
RREG32(adev->reset_info.reset_dump_reg_list[i]);
+               
trace_amdgpu_reset_reg_dumps(adev->reset_info.reset_dump_reg_list[i],
+                                            
adev->reset_info.reset_dump_reg_value[i]);
        }
return 0;
@@ -4831,13 +4831,13 @@ static ssize_t amdgpu_devcoredump_read(char *buffer, 
loff_t offset,
if (coredump->reset_vram_lost)
                drm_printf(&p, "VRAM is lost due to GPU reset!\n");
-       if (coredump->adev->num_regs) {
+       if (coredump->adev->reset_info.num_regs) {
                drm_printf(&p, "AMDGPU register dumps:\nOffset:     Value:\n");
- for (i = 0; i < coredump->adev->num_regs; i++)
+               for (i = 0; i < coredump->adev->reset_info.num_regs; i++)
                        drm_printf(&p, "0x%08x: 0x%08x\n",
-                                  coredump->adev->reset_dump_reg_list[i],
-                                  coredump->adev->reset_dump_reg_value[i]);
+                                  
coredump->adev->reset_info.reset_dump_reg_list[i],
+                                  
coredump->adev->reset_info.reset_dump_reg_value[i]);
        }

Reviewed-by: Shashank Sharma <shashank.sha...@amd.com>

- Shashank
return count - iter.remain;

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