[PATCH] drm/amdkfd: Fix sparse errors - dri-devel - freedesktop.org experimental mailing list

22 Jan 2015

Signed-off-by: Oded Gabbay oded.gabbay@amd.com
---
 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c           | 16 ++++++-------
 .../gpu/drm/amd/amdkfd/kfd_device_queue_manager.c  | 28 ++--------------------
 .../gpu/drm/amd/amdkfd/kfd_device_queue_manager.h  | 20 +++++++++++++---
 3 files changed, 27 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 732087dc..5c50aa8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -141,8 +141,6 @@ static int kfd_ioctl_get_version(struct file *filep, struct kfd_process *p,
 static int set_queue_properties_from_user(struct queue_properties *q_properties,
    			struct kfd_ioctl_create_queue_args *args)
 {
-	void *tmp;
-
    if (args->queue_percentage > KFD_MAX_QUEUE_PERCENTAGE) {
    	pr_err("kfd: queue percentage must be between 0 to KFD_MAX_QUEUE_PERCENTAGE\n");
    	return -EINVAL;
@@ -180,16 +178,18 @@ static int set_queue_properties_from_user(struct queue_properties *q_properties,
    	return -EFAULT;
    }
-	tmp = (void *)(uintptr_t)args->eop_buffer_address;
-	if (tmp != NULL &&
-		!access_ok(VERIFY_WRITE, tmp, sizeof(uint32_t))) {
+	if (args->eop_buffer_address &&
+		!access_ok(VERIFY_WRITE,
+			(const void __user *) args->eop_buffer_address,
+			sizeof(uint32_t))) {
    	pr_debug("kfd: can't access eop buffer");
    	return -EFAULT;
    }
-	tmp = (void *)(uintptr_t)args->ctx_save_restore_address;
-	if (tmp != NULL &&
-		!access_ok(VERIFY_WRITE, tmp, sizeof(uint32_t))) {
+	if (args->ctx_save_restore_address &&
+		!access_ok(VERIFY_WRITE,
+			(const void __user *) args->ctx_save_restore_address,
+			sizeof(uint32_t))) {
    	pr_debug("kfd: can't access ctx save restore buffer");
    	return -EFAULT;
    }
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 99e2dbb..b189f97 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -62,12 +62,6 @@ enum KFD_MQD_TYPE get_mqd_type_from_queue_type(enum kfd_queue_type type)
    return KFD_MQD_TYPE_CP;
 }
-inline unsigned int get_pipes_num(struct device_queue_manager *dqm)
-{
-	BUG_ON(!dqm || !dqm->dev);
-	return dqm->dev->shared_resources.compute_pipe_count;
-}
-
 static inline unsigned int get_first_pipe(struct device_queue_manager *dqm)
 {
    BUG_ON(!dqm);
@@ -79,25 +73,6 @@ static inline unsigned int get_pipes_num_cpsch(void)
    return PIPE_PER_ME_CP_SCHEDULING;
 }
-inline unsigned int
-get_sh_mem_bases_nybble_64(struct kfd_process_device *pdd)
-{
-	uint32_t nybble;
-
-	nybble = (pdd->lds_base >> 60) & 0x0E;
-
-	return nybble;
-}
-
-inline unsigned int get_sh_mem_bases_32(struct kfd_process_device *pdd)
-{
-	unsigned int shared_base;
-
-	shared_base = (pdd->lds_base >> 16) & 0xFF;
-
-	return shared_base;
-}
-
 void program_sh_mem_settings(struct device_queue_manager *dqm,
    				struct qcm_process_device *qpd)
 {
@@ -336,7 +311,8 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
    BUG_ON(!dqm || !q || !q->mqd);
mutex_lock(&dqm->lock);
-	mqd = dqm->ops.get_mqd_manager(dqm, q->properties.type);
+	mqd = dqm->ops.get_mqd_manager(dqm,
+			get_mqd_type_from_queue_type(q->properties.type));
    if (mqd == NULL) {
    	mutex_unlock(&dqm->lock);
    	return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index 1934795..e7b17b2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -160,10 +160,24 @@ void device_queue_manager_init_cik(struct device_queue_manager_ops *ops);
 void device_queue_manager_init_vi(struct device_queue_manager_ops *ops);
 void program_sh_mem_settings(struct device_queue_manager *dqm,
    				struct qcm_process_device *qpd);
-inline unsigned int get_sh_mem_bases_32(struct kfd_process_device *qpd);
-inline unsigned int get_sh_mem_bases_nybble_64(struct kfd_process_device *pdd);
 int init_pipelines(struct device_queue_manager *dqm,
    	unsigned int pipes_num, unsigned int first_pipe);
-inline unsigned int get_pipes_num(struct device_queue_manager *dqm);
+
+extern inline unsigned int get_sh_mem_bases_32(struct kfd_process_device *pdd)
+{
+	return (pdd->lds_base >> 16) & 0xFF;
+}
+
+extern inline unsigned int
+get_sh_mem_bases_nybble_64(struct kfd_process_device *pdd)
+{
+	return (pdd->lds_base >> 60) & 0x0E;
+}
+
+extern inline unsigned int get_pipes_num(struct device_queue_manager *dqm)
+{
+	BUG_ON(!dqm || !dqm->dev);
+	return dqm->dev->shared_resources.compute_pipe_count;
+}
#endif /* KFD_DEVICE_QUEUE_MANAGER_H_ */
-- 
1.9.1


    