diff mbox series

[v12,4/4] drm/i915: Set copy engine arbitration for Wa_16018031267 / Wa_16018063123

Message ID 20230920210704.3624771-5-jonathan.cavitt@intel.com (mailing list archive)
State New, archived
Headers show
Series Apply Wa_16018031267 / Wa_16018063123 | expand

Commit Message

Cavitt, Jonathan Sept. 20, 2023, 9:07 p.m. UTC 
Set copy engine arbitration into round robin mode
for part of Wa_16018031267 / Wa_16018063123 mitigation.

Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_engine_regs.h | 3 +++
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++
 2 files changed, 8 insertions(+)

Comments

Andrzej Hajda Oct. 18, 2023, 1:26 p.m. UTC | #1 
On 20.09.2023 23:07, Jonathan Cavitt wrote:
> Set copy engine arbitration into round robin mode
> for part of Wa_16018031267 / Wa_16018063123 mitigation.
> 
> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
> Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>

Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>

Regards
Andrzej

> ---
>   drivers/gpu/drm/i915/gt/intel_engine_regs.h | 3 +++
>   drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++
>   2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_engine_regs.h b/drivers/gpu/drm/i915/gt/intel_engine_regs.h
> index b8618ee3e3041..c0c8c12edea10 100644
> --- a/drivers/gpu/drm/i915/gt/intel_engine_regs.h
> +++ b/drivers/gpu/drm/i915/gt/intel_engine_regs.h
> @@ -124,6 +124,9 @@
>   #define RING_INDIRECT_CTX(base)			_MMIO((base) + 0x1c4) /* gen8+ */
>   #define RING_INDIRECT_CTX_OFFSET(base)		_MMIO((base) + 0x1c8) /* gen8+ */
>   #define ECOSKPD(base)				_MMIO((base) + 0x1d0)
> +#define   XEHP_BLITTER_SCHEDULING_MODE_MASK	REG_GENMASK(12, 11)
> +#define   XEHP_BLITTER_ROUND_ROBIN_MODE		\
> +		REG_FIELD_PREP(XEHP_BLITTER_SCHEDULING_MODE_MASK, 1)
>   #define   ECO_CONSTANT_BUFFER_SR_DISABLE	REG_BIT(4)
>   #define   ECO_GATING_CX_ONLY			REG_BIT(3)
>   #define   GEN6_BLITTER_FBC_NOTIFY		REG_BIT(3)
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index 660d4f358eab7..b8f3b991e4202 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -2781,6 +2781,11 @@ xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
>   			 RING_SEMA_WAIT_POLL(engine->mmio_base),
>   			 1);
>   	}
> +	/* Wa_16018031267, Wa_16018063123 */
> +	if (NEEDS_FASTCOLOR_BLT_WABB(engine))
> +		wa_masked_field_set(wal, ECOSKPD(engine->mmio_base),
> +				    XEHP_BLITTER_SCHEDULING_MODE_MASK,
> +				    XEHP_BLITTER_ROUND_ROBIN_MODE);
>   }
>   
>   static void
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_regs.h b/drivers/gpu/drm/i915/gt/intel_engine_regs.h
index b8618ee3e3041..c0c8c12edea10 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_regs.h
@@ -124,6 +124,9 @@ 
 #define RING_INDIRECT_CTX(base)			_MMIO((base) + 0x1c4) /* gen8+ */
 #define RING_INDIRECT_CTX_OFFSET(base)		_MMIO((base) + 0x1c8) /* gen8+ */
 #define ECOSKPD(base)				_MMIO((base) + 0x1d0)
+#define   XEHP_BLITTER_SCHEDULING_MODE_MASK	REG_GENMASK(12, 11)
+#define   XEHP_BLITTER_ROUND_ROBIN_MODE		\
+		REG_FIELD_PREP(XEHP_BLITTER_SCHEDULING_MODE_MASK, 1)
 #define   ECO_CONSTANT_BUFFER_SR_DISABLE	REG_BIT(4)
 #define   ECO_GATING_CX_ONLY			REG_BIT(3)
 #define   GEN6_BLITTER_FBC_NOTIFY		REG_BIT(3)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 660d4f358eab7..b8f3b991e4202 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -2781,6 +2781,11 @@  xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			 RING_SEMA_WAIT_POLL(engine->mmio_base),
 			 1);
 	}
+	/* Wa_16018031267, Wa_16018063123 */
+	if (NEEDS_FASTCOLOR_BLT_WABB(engine))
+		wa_masked_field_set(wal, ECOSKPD(engine->mmio_base),
+				    XEHP_BLITTER_SCHEDULING_MODE_MASK,
+				    XEHP_BLITTER_ROUND_ROBIN_MODE);
 }
 
 static void