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authorRajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>2020-07-13 11:15:30 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-07-15 12:41:04 -0400
commita4497974ed339985fa89fabde9d5f6038bf1a59e (patch)
tree88941c5532be8d542ca260bb6871902da19ede35 /drivers/gpu
parentcfafe238b585962089b8c7174315761f6b31e9d6 (diff)
drm/amdkfd: fix kernel-doc and cleanup
- fix some styling issues - fixes for kernel-doc type Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_priv.h61
1 files changed, 25 insertions, 36 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 58de109d2909..67b9c398f0e4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -97,7 +97,7 @@
* Size of the per-process TBA+TMA buffer: 2 pages
*
* The first page is the TBA used for the CWSR ISA code. The second
- * page is used as TMA for daisy changing a user-mode trap handler.
+ * page is used as TMA for user-mode trap handler setup in daisy-chain mode.
*/
#define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2)
#define KFD_CWSR_TMA_OFFSET PAGE_SIZE
@@ -157,29 +157,19 @@ extern int debug_largebar;
*/
extern int ignore_crat;
-/*
- * Set sh_mem_config.retry_disable on Vega10
- */
+/* Set sh_mem_config.retry_disable on GFX v9 */
extern int amdgpu_noretry;
-/*
- * Halt if HWS hang is detected
- */
+/* Halt if HWS hang is detected */
extern int halt_if_hws_hang;
-/*
- * Whether MEC FW support GWS barriers
- */
+/* Whether MEC FW support GWS barriers */
extern bool hws_gws_support;
-/*
- * Queue preemption timeout in ms
- */
+/* Queue preemption timeout in ms */
extern int queue_preemption_timeout_ms;
-/*
- * Enable eviction debug messages
- */
+/* Enable eviction debug messages */
extern bool debug_evictions;
enum cache_policy {
@@ -301,7 +291,7 @@ struct kfd_dev {
/* xGMI */
uint64_t hive_id;
-
+
/* UUID */
uint64_t unique_id;
@@ -313,7 +303,7 @@ struct kfd_dev {
/* Compute Profile ref. count */
atomic_t compute_profile;
- /* Global GWS resource shared b/t processes*/
+ /* Global GWS resource shared between processes */
void *gws;
};
@@ -329,7 +319,7 @@ void kfd_chardev_exit(void);
struct device *kfd_chardev(void);
/**
- * enum kfd_unmap_queues_filter
+ * enum kfd_unmap_queues_filter - Enum for queue filters.
*
* @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue.
*
@@ -348,15 +338,17 @@ enum kfd_unmap_queues_filter {
};
/**
- * enum kfd_queue_type
+ * enum kfd_queue_type - Enum for various queue types.
*
* @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type.
*
- * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type.
+ * @KFD_QUEUE_TYPE_SDMA: SDMA user mode queue type.
*
* @KFD_QUEUE_TYPE_HIQ: HIQ queue type.
*
* @KFD_QUEUE_TYPE_DIQ: DIQ queue type.
+ *
+ * @KFD_QUEUE_TYPE_SDMA_XGMI: Special SDMA queue for XGMI interface.
*/
enum kfd_queue_type {
KFD_QUEUE_TYPE_COMPUTE,
@@ -402,9 +394,9 @@ enum KFD_QUEUE_PRIORITY {
*
* @write_ptr: Defines the number of dwords written to the ring buffer.
*
- * @doorbell_ptr: This field aim is to notify the H/W of new packet written to
- * the queue ring buffer. This field should be similar to write_ptr and the
- * user should update this field after he updated the write_ptr.
+ * @doorbell_ptr: Notifies the H/W of new packet written to the queue ring
+ * buffer. This field should be similar to write_ptr and the user should
+ * update this field after updating the write_ptr.
*
* @doorbell_off: The doorbell offset in the doorbell pci-bar.
*
@@ -473,7 +465,7 @@ struct queue_properties {
*
* @list: Queue linked list.
*
- * @mqd: The queue MQD.
+ * @mqd: The queue MQD (memory queue descriptor).
*
* @mqd_mem_obj: The MQD local gpu memory object.
*
@@ -482,7 +474,7 @@ struct queue_properties {
* @properties: The queue properties.
*
* @mec: Used only in no cp scheduling mode and identifies to micro engine id
- * that the queue should be execute on.
+ * that the queue should be executed on.
*
* @pipe: Used only in no cp scheduling mode and identifies the queue's pipe
* id.
@@ -523,9 +515,6 @@ struct queue {
struct kobject kobj;
};
-/*
- * Please read the kfd_mqd_manager.h description.
- */
enum KFD_MQD_TYPE {
KFD_MQD_TYPE_HIQ = 0, /* for hiq */
KFD_MQD_TYPE_CP, /* for cp queues and diq */
@@ -583,9 +572,7 @@ struct qcm_process_device {
*/
bool mapped_gws_queue;
- /*
- * All the memory management data should be here too
- */
+ /* All the memory management data should be here too */
uint64_t gds_context_area;
/* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */
uint64_t page_table_base;
@@ -785,11 +772,13 @@ extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE);
extern struct srcu_struct kfd_processes_srcu;
/**
- * Ioctl function type.
+ * typedef amdkfd_ioctl_t - typedef for ioctl function pointer.
+ *
+ * @filep: pointer to file structure.
+ * @p: amdkfd process pointer.
+ * @data: pointer to arg that was copied from user.
*
- * \param filep pointer to file structure.
- * \param p amdkfd process pointer.
- * \param data pointer to arg that was copied from user.
+ * Return: returns ioctl completion code.
*/
typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p,
void *data);