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* [PATCH v5 1/4] drm/xe/lrc: Add xe lrc ring tail function definitions
@ 2024-04-15 18:46 Jonathan Cavitt
  2024-04-15 18:46 ` [PATCH v5 2/4] drm/xe/xe_guc_submit: Fix exec queue stop race condition Jonathan Cavitt
                   ` (11 more replies)
  0 siblings, 12 replies; 19+ messages in thread
From: Jonathan Cavitt @ 2024-04-15 18:46 UTC (permalink / raw)
  To: intel-xe
  Cc: jonathan.cavitt, saurabhg.gupta, niranjana.vishwanathapura,
	brian.welty, matthew.d.roper, matthew.brost, john.c.harrison

Add defintions for the functions xe_lrc_set_ring_tail and
xe_lrc_ring_tail to match the definitions for xe_lrc_set_ring_head and
xe_lrc_ring_head, respectively, except tarting the lrc tail.

Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
CC: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
CC: Brian Welty <brian.welty@intel.com>
CC: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/xe/xe_lrc.c | 10 ++++++++++
 drivers/gpu/drm/xe/xe_lrc.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 615bbc372ac62..e91ecbcceba5c 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -834,6 +834,16 @@ void xe_lrc_finish(struct xe_lrc *lrc)
 	xe_bo_put(lrc->bo);
 }
 
+void xe_lrc_set_ring_tail(struct xe_lrc *lrc, u32 tail)
+{
+	xe_lrc_write_ctx_reg(lrc, CTX_RING_TAIL, tail);
+}
+
+u32 xe_lrc_ring_tail(struct xe_lrc *lrc)
+{
+	return xe_lrc_read_ctx_reg(lrc, CTX_RING_TAIL) & TAIL_ADDR;
+}
+
 void xe_lrc_set_ring_head(struct xe_lrc *lrc, u32 head)
 {
 	xe_lrc_write_ctx_reg(lrc, CTX_RING_HEAD, head);
diff --git a/drivers/gpu/drm/xe/xe_lrc.h b/drivers/gpu/drm/xe/xe_lrc.h
index d32fa31faa2cf..f355b0eeb5658 100644
--- a/drivers/gpu/drm/xe/xe_lrc.h
+++ b/drivers/gpu/drm/xe/xe_lrc.h
@@ -24,6 +24,8 @@ void xe_lrc_finish(struct xe_lrc *lrc);
 size_t xe_lrc_size(struct xe_device *xe, enum xe_engine_class class);
 u32 xe_lrc_pphwsp_offset(struct xe_lrc *lrc);
 
+void xe_lrc_set_ring_tail(struct xe_lrc *lrc, u32 tail);
+u32 xe_lrc_ring_tail(struct xe_lrc *lrc);
 void xe_lrc_set_ring_head(struct xe_lrc *lrc, u32 head);
 u32 xe_lrc_ring_head(struct xe_lrc *lrc);
 u32 xe_lrc_ring_space(struct xe_lrc *lrc);
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 19+ messages in thread

end of thread, other threads:[~2024-04-16 15:54 UTC | newest]

Thread overview: 19+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-04-15 18:46 [PATCH v5 1/4] drm/xe/lrc: Add xe lrc ring tail function definitions Jonathan Cavitt
2024-04-15 18:46 ` [PATCH v5 2/4] drm/xe/xe_guc_submit: Fix exec queue stop race condition Jonathan Cavitt
2024-04-15 18:46 ` [PATCH v5 3/4] drm/xe/xe_guc_submit: Allow lr exec queues to be banned Jonathan Cavitt
2024-04-15 19:24   ` Summers, Stuart
2024-04-15 18:46 ` [PATCH v5 4/4] drm/xe/xe_guc_submit: Declare reset if banned or killed Jonathan Cavitt
2024-04-15 19:31 ` [PATCH v5 1/4] drm/xe/lrc: Add xe lrc ring tail function definitions Summers, Stuart
2024-04-15 19:44   ` Matthew Brost
2024-04-15 20:26     ` Cavitt, Jonathan
2024-04-15 20:29       ` Matthew Brost
2024-04-15 20:41         ` Cavitt, Jonathan
2024-04-15 22:23           ` Summers, Stuart
2024-04-15 23:16 ` ✓ CI.Patch_applied: success for series starting with [v5,1/4] " Patchwork
2024-04-15 23:16 ` ✗ CI.checkpatch: warning " Patchwork
2024-04-15 23:17 ` ✓ CI.KUnit: success " Patchwork
2024-04-15 23:29 ` ✓ CI.Build: " Patchwork
2024-04-15 23:31 ` ✓ CI.Hooks: " Patchwork
2024-04-15 23:33 ` ✓ CI.checksparse: " Patchwork
2024-04-15 23:59 ` ✓ CI.BAT: " Patchwork
2024-04-16 15:54 ` ✗ CI.FULL: failure " Patchwork

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