Commit 275654c0 authored by Dave Airlie's avatar Dave Airlie
Browse files

Merge tag 'drm-xe-next-fixes-2024-05-09-1' of... 

Merge tag 'drm-xe-next-fixes-2024-05-09-1' of https://gitlab.freedesktop.org/drm/xe/kernel

 into drm-next

Driver Changes:
- Use ordered WQ for G2H handler. (Matthew Brost)
- Use flexible-array rather than zero-sized (Lucas De Marchi)

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zjz7SzCvfA3vQRxu@fedora
parents 110ed472 d69c3d4b

drivers/gpu/drm/xe/xe_guc_ads.c

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ struct __guc_ads_blob { 
	struct guc_engine_usage engine_usage;

	struct guc_um_init_params um_init_params;

	/* From here on, location is dynamic! Refer to above diagram. */

	struct guc_mmio_reg regset[0];

	struct guc_mmio_reg regset[];

} __packed;



#define ads_blob_read(ads_, field_) \

drivers/gpu/drm/xe/xe_guc_ct.c

+5 −0
Original line number Diff line number Diff line
@@ -121,6 +121,7 @@ static void guc_ct_fini(struct drm_device *drm, void *arg) 
{

	struct xe_guc_ct *ct = arg;



	destroy_workqueue(ct->g2h_wq);

	xa_destroy(&ct->fence_lookup);

}
@@ -146,6 +147,10 @@ int xe_guc_ct_init(struct xe_guc_ct *ct) 


	xe_gt_assert(gt, !(guc_ct_size() % PAGE_SIZE));



	ct->g2h_wq = alloc_ordered_workqueue("xe-g2h-wq", 0);

	if (!ct->g2h_wq)

		return -ENOMEM;



	spin_lock_init(&ct->fast_lock);

	xa_init(&ct->fence_lookup);

	INIT_WORK(&ct->g2h_worker, g2h_worker_func);

drivers/gpu/drm/xe/xe_guc_ct.h

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct) 
		return;



	wake_up_all(&ct->wq);

	queue_work(system_unbound_wq, &ct->g2h_worker);

	queue_work(ct->g2h_wq, &ct->g2h_worker);

	xe_guc_ct_fast_path(ct);

}

drivers/gpu/drm/xe/xe_guc_ct_types.h

+2 −0
Original line number Diff line number Diff line
@@ -120,6 +120,8 @@ struct xe_guc_ct { 
	wait_queue_head_t wq;

	/** @g2h_fence_wq: wait queue used for G2H fencing */

	wait_queue_head_t g2h_fence_wq;

	/** @g2h_wq: used to process G2H */

	struct workqueue_struct *g2h_wq;

	/** @msg: Message buffer */

	u32 msg[GUC_CTB_MSG_MAX_LEN];

	/** @fast_msg: Message buffer */