drm/amdkfd: Fix leftover errors and warnings

A bunch of errors and warnings are leftover KFD over the years, attempt
to fix the errors and most warnings reported by checkpatch tool. Still a
few warnings remain which may be false positives so ignore them for now.
Reviewed-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: NRajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

@@ -37,7 +37,7 @@
 #include <linux/ptrace.h>
 #include <linux/dma-buf.h>
 #include <linux/fdtable.h>
-#include <asm/processor.h>
+#include <linux/processor.h>
 #include "kfd_priv.h"
 #include "kfd_device_queue_manager.h"
 #include "kfd_svm.h"
@@ -1133,11 +1133,12 @@ static int kfd_ioctl_free_memory_of_gpu(struct file *filep,
 	return ret;
 }
 
-static bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) {
+static bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev)
+{
 	return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) ||
-	       (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) &&
-	        dev->adev->sdma.instance[0].fw_version >= 18) ||
-	       KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0);
+		(KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) &&
+		dev->adev->sdma.instance[0].fw_version >= 18) ||
+		KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0);
 }
 
 static int kfd_ioctl_map_memory_to_gpu(struct file *filep,

drivers/gpu/drm/amd/amdkfd/kfd_crat.c

@@ -1382,7 +1382,7 @@ static int kfd_fill_gpu_cache_info(struct kfd_dev *kdev,
 		num_of_cache_types = ARRAY_SIZE(vegam_cache_info);
 		break;
 	default:
-		switch(KFD_GC_VERSION(kdev)) {
+		switch (KFD_GC_VERSION(kdev)) {
 		case IP_VERSION(9, 0, 1):
 			pcache_info = vega10_cache_info;
 			num_of_cache_types = ARRAY_SIZE(vega10_cache_info);

drivers/gpu/drm/amd/amdkfd/kfd_crat.h

@@ -233,7 +233,7 @@ struct crat_subtype_ccompute {
 #define CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT	(1 << 2)
 #define CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT	(1 << 3)
 #define CRAT_IOLINK_FLAGS_NO_PEER_TO_PEER_DMA	(1 << 4)
-#define CRAT_IOLINK_FLAGS_BI_DIRECTIONAL 	(1 << 31)
+#define CRAT_IOLINK_FLAGS_BI_DIRECTIONAL	(1 << 31)
 #define CRAT_IOLINK_FLAGS_RESERVED_MASK		0x7fffffe0
 
 /*

drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c

@@ -36,7 +36,7 @@ static int kfd_debugfs_open(struct inode *inode, struct file *file)
 }
 static int kfd_debugfs_hang_hws_read(struct seq_file *m, void *data)
 {
-	seq_printf(m, "echo gpu_id > hang_hws\n");
+	seq_puts(m, "echo gpu_id > hang_hws\n");
 	return 0;
 }
 

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -439,7 +439,8 @@ static int kfd_gws_init(struct kfd_dev *kfd)
 	return ret;
 }
 
-static void kfd_smi_init(struct kfd_dev *dev) {
+static void kfd_smi_init(struct kfd_dev *dev)
+{
 	INIT_LIST_HEAD(&dev->smi_clients);
 	spin_lock_init(&dev->smi_lock);
 }
@@ -572,7 +573,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
 
 	svm_migrate_init(kfd->adev);
 
-	if(kgd2kfd_resume_iommu(kfd))
+	if (kgd2kfd_resume_iommu(kfd))
 		goto device_iommu_error;
 
 	if (kfd_resume(kfd))

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

@@ -677,9 +677,9 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q,
 		}
 
 		retval = mqd_mgr->destroy_mqd(mqd_mgr, q->mqd,
-				(dqm->dev->cwsr_enabled?
-				 KFD_PREEMPT_TYPE_WAVEFRONT_SAVE:
-				KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN),
+				(dqm->dev->cwsr_enabled ?
+				 KFD_PREEMPT_TYPE_WAVEFRONT_SAVE :
+				 KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN),
 				KFD_UNMAP_LATENCY_MS, q->pipe, q->queue);
 		if (retval) {
 			pr_err("destroy mqd failed\n");
@@ -772,9 +772,9 @@ static int evict_process_queues_nocpsch(struct device_queue_manager *dqm,
 			continue;
 
 		retval = mqd_mgr->destroy_mqd(mqd_mgr, q->mqd,
-				(dqm->dev->cwsr_enabled?
-				 KFD_PREEMPT_TYPE_WAVEFRONT_SAVE:
-				KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN),
+				(dqm->dev->cwsr_enabled ?
+				 KFD_PREEMPT_TYPE_WAVEFRONT_SAVE :
+				 KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN),
 				KFD_UNMAP_LATENCY_MS, q->pipe, q->queue);
 		if (retval && !ret)
 			/* Return the first error, but keep going to
@@ -1099,7 +1099,7 @@ static int start_nocpsch(struct device_queue_manager *dqm)
 
 	pr_info("SW scheduler is used");
 	init_interrupts(dqm);
-	
+
 	if (dqm->dev->adev->asic_type == CHIP_HAWAII)
 		r = pm_init(&dqm->packet_mgr, dqm);
 	if (!r)
@@ -2235,8 +2235,7 @@ int dqm_debugfs_hqds(struct seq_file *m, void *data)
 	int r = 0;
 
 	if (!dqm->sched_running) {
-		seq_printf(m, " Device is stopped\n");
-
+		seq_puts(m, " Device is stopped\n");
 		return 0;
 	}
 

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h

@@ -92,7 +92,7 @@ union GRBM_GFX_INDEX_BITS {
  *
  * @initialize: Initializes the pipelines and memory module for that device.
  *
- * @start: Initializes the resources/modules the the device needs for queues
+ * @start: Initializes the resources/modules the device needs for queues
  * execution. This function is called on device initialization and after the
  * system woke up after suspension.
  *
@@ -113,7 +113,7 @@ union GRBM_GFX_INDEX_BITS {
  *
  * @evict_process_queues: Evict all active queues of a process
  *
- * @restore_process_queues: Restore all evicted queues queues of a process
+ * @restore_process_queues: Restore all evicted queues of a process
  *
  * @get_wave_state: Retrieves context save state and optionally copies the
  * control stack, if kept in the MQD, to the given userspace address.
@@ -303,9 +303,7 @@ static inline void dqm_unlock(struct device_queue_manager *dqm)
 
 static inline int read_sdma_queue_counter(uint64_t __user *q_rptr, uint64_t *val)
 {
-        /*
-         * SDMA activity counter is stored at queue's RPTR + 0x8 location.
-         */
+	/* SDMA activity counter is stored at queue's RPTR + 0x8 location. */
 	return get_user(*val, q_rptr + 1);
 }
 #endif /* KFD_DEVICE_QUEUE_MANAGER_H_ */

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v10.c

@@ -62,15 +62,6 @@ static int update_qpd_v10(struct device_queue_manager *dqm,
 			(SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
 				SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT) |
 			(3 << SH_MEM_CONFIG__INITIAL_INST_PREFETCH__SHIFT);
-#if 0
-		/* TODO:
-		 *    This shouldn't be an issue with Navi10.  Verify.
-		 */
-		if (vega10_noretry)
-			qpd->sh_mem_config |=
-				1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT;
-#endif
-
 		qpd->sh_mem_ape1_limit = 0;
 		qpd->sh_mem_ape1_base = 0;
 	}

drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c

@@ -35,7 +35,7 @@
 #include "kfd_priv.h"
 #include <linux/mm.h>
 #include <linux/mman.h>
-#include <asm/processor.h>
+#include <linux/processor.h>
 
 /*
  * The primary memory I/O features being added for revisions of gfxip

drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c

@@ -120,7 +120,8 @@ static void event_interrupt_poison_consumption(struct kfd_dev *dev,
 	kfd_signal_poison_consumed_event(dev, pasid);
 
 	/* resetting queue passes, do page retirement without gpu reset
-	   resetting queue fails, fallback to gpu reset solution */
+	 * resetting queue fails, fallback to gpu reset solution
+	 */
 	if (!ret)
 		amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, false);
 	else

drivers/gpu/drm/amd/amdkfd/kfd_migrate.c

@@ -363,7 +363,7 @@ svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange,
 			if (r)
 				goto out_free_vram_pages;
 			amdgpu_res_next(&cursor, (j + 1) * PAGE_SIZE);
-			j= 0;
+			j = 0;
 		} else {
 			j++;
 		}

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c

@@ -101,6 +101,7 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
 	struct kfd_cu_info cu_info;
 	uint32_t cu_per_sh[KFD_MAX_NUM_SE][KFD_MAX_NUM_SH_PER_SE] = {0};
 	int i, se, sh, cu;
+
 	amdgpu_amdkfd_get_cu_info(mm->dev->adev, &cu_info);
 
 	if (cu_mask_count > cu_info.cu_active_number)

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c

@@ -206,7 +206,7 @@ static void update_mqd(struct mqd_manager *mm, void *mqd,
 		/* GC 10 removed WPP_CLAMP from PQ Control */
 		m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK |
 				2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT |
-				1 << CP_HQD_PQ_CONTROL__QUEUE_FULL_EN__SHIFT ;
+				1 << CP_HQD_PQ_CONTROL__QUEUE_FULL_EN__SHIFT;
 		m->cp_hqd_pq_doorbell_control |=
 			1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_BIF_DROP__SHIFT;
 	}

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c

@@ -329,6 +329,7 @@ static void init_mqd_hiq(struct mqd_manager *mm, void **mqd,
 			struct queue_properties *q)
 {
 	struct vi_mqd *m;
+
 	init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);
 
 	m = get_mqd(*mqd);

drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_vi.h

@@ -102,8 +102,8 @@ struct pm4_mes_set_resources {
 
 struct pm4_mes_runlist {
 	union {
-	    union PM4_MES_TYPE_3_HEADER   header;            /* header */
-	    uint32_t            ordinal1;
+		union PM4_MES_TYPE_3_HEADER   header;            /* header */
+		uint32_t            ordinal1;
 	};
 
 	union {

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

@@ -794,7 +794,7 @@ struct svm_range_list {
 	atomic_t			drain_pagefaults;
 	struct delayed_work		restore_work;
 	DECLARE_BITMAP(bitmap_supported, MAX_GPU_INSTANCE);
-	struct task_struct 		*faulting_task;
+	struct task_struct		*faulting_task;
 };
 
 /* Process data */
@@ -915,7 +915,7 @@ bool kfd_dev_is_large_bar(struct kfd_dev *dev);
 int kfd_process_create_wq(void);
 void kfd_process_destroy_wq(void);
 struct kfd_process *kfd_create_process(struct file *filep);
-struct kfd_process *kfd_get_process(const struct task_struct *);
+struct kfd_process *kfd_get_process(const struct task_struct *task);
 struct kfd_process *kfd_lookup_process_by_pasid(u32 pasid);
 struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm);
 

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

@@ -1442,9 +1442,9 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
 	}
 
 	/*
-	* Overwrite ATS capability according to needs_iommu_device to fix
-	* potential missing corresponding bit in CRAT of BIOS.
-	*/
+	 * Overwrite ATS capability according to needs_iommu_device to fix
+	 * potential missing corresponding bit in CRAT of BIOS.
+	 */
 	if (dev->gpu->use_iommu_v2)
 		dev->node_props.capability |= HSA_CAP_ATS_PRESENT;
 	else