[PATCH] drm: amd: This is a patch to the amdgpu_drv.c file that fixes some warnings and errors found by the checkpatch.pl tool

From: Jingyu Wang
Date: Sun Sep 04 2022 - 04:56:05 EST


Signed-off-by: Jingyu Wang <jingyuwang_vip@xxxxxxx>
---
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