Signed-off-by: Jingyu Wang <jingyuwang_...@163.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 40 ++++++++++++-------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index de7144b06e93..5c2ac8123450 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -140,8 +140,8 @@ uint amdgpu_pcie_lane_cap;
 u64 amdgpu_cg_mask = 0xffffffffffffffff;
 uint amdgpu_pg_mask = 0xffffffff;
 uint amdgpu_sdma_phase_quantum = 32;
-char *amdgpu_disable_cu = NULL;
-char *amdgpu_virtual_display = NULL;
+char *amdgpu_disable_cu;
+char *amdgpu_virtual_display;
 
 /*
  * OverDrive(bit 14) disabled by default
@@ -287,9 +287,9 @@ module_param_named(msi, amdgpu_msi, int, 0444);
  * jobs is 10000. The timeout for compute is 60000.
  */
 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default: for bare 
metal 10000 for non-compute jobs and 60000 for compute jobs; "
-               "for passthrough or sriov, 10000 for all jobs."
-               " 0: keep default value. negative: infinity timeout), "
-               "format: for bare metal [Non-Compute] or 
[GFX,Compute,SDMA,Video]; "
+               "for passthrough or sriov, 10000 for all jobs.
+               0: keep default value. negative: infinity timeout),
+               format: for bare metal [Non-Compute] or 
[GFX,Compute,SDMA,Video]; "
                "for passthrough or sriov [all jobs] or 
[GFX,Compute,SDMA,Video].");
 module_param_string(lockup_timeout, amdgpu_lockup_timeout, 
sizeof(amdgpu_lockup_timeout), 0444);
 
@@ -502,7 +502,7 @@ module_param_named(virtual_display, amdgpu_virtual_display, 
charp, 0444);
  * Set how much time allow a job hang and not drop it. The default is 0.
  */
 MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop 
it (default 0)");
-module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
+module_param_named(job_hang_limit, amdgpu_job_hang_limit, int, 0444);
 
 /**
  * DOC: lbpw (int)
@@ -565,8 +565,8 @@ module_param_named(timeout_period, 
amdgpu_watchdog_timer.period, uint, 0644);
  */
 #ifdef CONFIG_DRM_AMDGPU_SI
 
-#if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
-int amdgpu_si_support = 0;
+#if IS_ENABLED(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
+int amdgpu_si_support;
 MODULE_PARM_DESC(si_support, "SI support (1 = enabled, 0 = disabled 
(default))");
 #else
 int amdgpu_si_support = 1;
@@ -584,8 +584,8 @@ module_param_named(si_support, amdgpu_si_support, int, 
0444);
  */
 #ifdef CONFIG_DRM_AMDGPU_CIK
 
-#if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
-int amdgpu_cik_support = 0;
+#if IS_ENABLED(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE)
+int amdgpu_cik_support;
 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled, 0 = disabled 
(default))");
 #else
 int amdgpu_cik_support = 1;
@@ -601,8 +601,8 @@ module_param_named(cik_support, amdgpu_cik_support, int, 
0444);
  * E.g. 0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte. The 
default is 0 (disabled).
  */
 MODULE_PARM_DESC(smu_memory_pool_size,
-       "reserve gtt for smu debug usage, 0 = disable,"
-               "0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
+       "reserve gtt for smu debug usage, 0 = disable,
+               0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
 module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 
0444);
 
 /**
@@ -772,9 +772,9 @@ module_param(hws_gws_support, bool, 0444);
 MODULE_PARM_DESC(hws_gws_support, "Assume MEC2 FW supports GWS barriers (false 
= rely on FW version check (Default), true = force supported)");
 
 /**
-  * DOC: queue_preemption_timeout_ms (int)
-  * queue preemption timeout in ms (1 = Minimum, 9000 = default)
-  */
+ * DOC: queue_preemption_timeout_ms (int)
+ * queue preemption timeout in ms (1 = Minimum, 9000 = default)
+ */
 int queue_preemption_timeout_ms = 9000;
 module_param(queue_preemption_timeout_ms, int, 0644);
 MODULE_PARM_DESC(queue_preemption_timeout_ms, "queue preemption timeout in ms 
(1 = Minimum, 9000 = default)");
@@ -799,7 +799,7 @@ MODULE_PARM_DESC(no_system_mem_limit, "disable system 
memory limit (false = defa
  * DOC: no_queue_eviction_on_vm_fault (int)
  * If set, process queues will not be evicted on gpuvm fault. This is to keep 
the wavefront context for debugging (0 = queue eviction, 1 = no queue 
eviction). The default is 0 (queue eviction).
  */
-int amdgpu_no_queue_eviction_on_vm_fault = 0;
+int amdgpu_no_queue_eviction_on_vm_fault;
 MODULE_PARM_DESC(no_queue_eviction_on_vm_fault, "No queue eviction on VM fault 
(0 = queue eviction, 1 = no queue eviction)");
 module_param_named(no_queue_eviction_on_vm_fault, 
amdgpu_no_queue_eviction_on_vm_fault, int, 0444);
 #endif
@@ -1609,7 +1609,7 @@ static const u16 amdgpu_unsupported_pciidlist[] = {
 };
 
 static const struct pci_device_id pciidlist[] = {
-#ifdef  CONFIG_DRM_AMDGPU_SI
+#ifdef CONFIG_DRM_AMDGPU_SI
        {0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
        {0x1002, 0x6784, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
        {0x1002, 0x6788, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
@@ -2289,7 +2289,6 @@ static void amdgpu_drv_delayed_reset_work_handler(struct 
work_struct *work)
                        amdgpu_amdkfd_device_init(adev);
                amdgpu_ttm_set_buffer_funcs_status(adev, true);
        }
-       return;
 }
 
 static int amdgpu_pmops_prepare(struct device *dev)
@@ -2478,6 +2477,7 @@ static int amdgpu_pmops_runtime_suspend(struct device 
*dev)
        /* wait for all rings to drain before suspending */
        for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
                struct amdgpu_ring *ring = adev->rings[i];
+
                if (ring && ring->sched.ready) {
                        ret = amdgpu_fence_wait_empty(ring);
                        if (ret)
@@ -2600,6 +2600,7 @@ long amdgpu_drm_ioctl(struct file *filp,
        struct drm_file *file_priv = filp->private_data;
        struct drm_device *dev;
        long ret;
+
        dev = file_priv->minor->dev;
        ret = pm_runtime_get_sync(dev->dev);
        if (ret < 0)
@@ -2664,9 +2665,8 @@ int amdgpu_file_to_fpriv(struct file *filp, struct 
amdgpu_fpriv **fpriv)
        if (!filp)
                return -EINVAL;
 
-       if (filp->f_op != &amdgpu_driver_kms_fops) {
+       if (filp->f_op != &amdgpu_driver_kms_fops)
                return -EINVAL;
-       }
 
        file = filp->private_data;
        *fpriv = file->driver_priv;
-- 
2.34.1

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