* [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag
@ 2023-09-19 11:47 Nirmoy Das
2023-09-19 12:11 ` Andi Shyti
2023-09-19 12:42 ` Andrzej Hajda
0 siblings, 2 replies; 5+ messages in thread
From: Nirmoy Das @ 2023-09-19 11:47 UTC (permalink / raw)
To: intel-gfx
Cc: Andi Shyti, Tvrtko Ursulin, Lucas De Marchi, Tejas Upadhyay,
Jonathan Cavitt, stable, dri-devel, Andrzej Hajda, Matt Roper,
Prathap Kumar Valsan, Nirmoy Das
The suggestion from the spec is to do l3 fabric flush not L3 flush.
Fixes: 78a6ccd65fa3 ("drm/i915/gt: Ensure memory quiesced before
invalidation")
Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.8+
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
---
drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 6 +++++-
drivers/gpu/drm/i915/gt/intel_gpu_commands.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
index 0143445dba83..a4b241d502c8 100644
--- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
@@ -272,7 +272,11 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode)
bit_group_0 |= PIPE_CONTROL_CCS_FLUSH;
bit_group_1 |= PIPE_CONTROL_TILE_CACHE_FLUSH;
- bit_group_1 |= PIPE_CONTROL_FLUSH_L3;
+ if (mode & EMIT_FLUSH)
+ bit_group_1 |= PIPE_CONTROL_FLUSH_L3;
+ else if (gen12_needs_ccs_aux_inv(engine))
+ bit_group_1 |= PIPE_CONTROL_L3_FABRIC_FLUSH;
+
bit_group_1 |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
bit_group_1 |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
/* Wa_1409600907:tgl,adl-p */
diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
index 2bd8d98d2110..12e8dc481c53 100644
--- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
@@ -284,6 +284,7 @@
#define DISPLAY_PLANE_A (0<<20)
#define DISPLAY_PLANE_B (1<<20)
#define GFX_OP_PIPE_CONTROL(len) ((0x3<<29)|(0x3<<27)|(0x2<<24)|((len)-2))
+#define PIPE_CONTROL_L3_FABRIC_FLUSH (1<<30)
#define PIPE_CONTROL_COMMAND_CACHE_INVALIDATE (1<<29) /* gen11+ */
#define PIPE_CONTROL_TILE_CACHE_FLUSH (1<<28) /* gen11+ */
#define PIPE_CONTROL_FLUSH_L3 (1<<27)
--
2.41.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag
2023-09-19 11:47 [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag Nirmoy Das
@ 2023-09-19 12:11 ` Andi Shyti
2023-09-19 12:19 ` Tapani Pälli
2023-09-19 12:42 ` Andrzej Hajda
1 sibling, 1 reply; 5+ messages in thread
From: Andi Shyti @ 2023-09-19 12:11 UTC (permalink / raw)
To: Nirmoy Das
Cc: Andrzej Hajda, Tvrtko Ursulin, Lucas De Marchi, intel-gfx,
Tejas Upadhyay, Jonathan Cavitt, stable, dri-devel, Andi Shyti,
Matt Roper, Prathap Kumar Valsan
Hi Nirmoy,
On Tue, Sep 19, 2023 at 01:47:16PM +0200, Nirmoy Das wrote:
> The suggestion from the spec is to do l3 fabric flush not L3 flush.
>
> Fixes: 78a6ccd65fa3 ("drm/i915/gt: Ensure memory quiesced before
> invalidation")
please put this in one line.
> Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
> Cc: Andi Shyti <andi.shyti@linux.intel.com>
> Cc: <stable@vger.kernel.org> # v5.8+
> Cc: Nirmoy Das <nirmoy.das@intel.com>
> Cc: Andrzej Hajda <andrzej.hajda@intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Cc: Matt Roper <matthew.d.roper@intel.com>
> Cc: Lucas De Marchi <lucas.demarchi@intel.com>
> Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
> Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
and I believe
Tested-by: Tapani Pälli <tapani.palli@intel.com>
Thanks,
Andi
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag
2023-09-19 12:11 ` Andi Shyti
@ 2023-09-19 12:19 ` Tapani Pälli
2023-09-20 11:18 ` Nirmoy Das
0 siblings, 1 reply; 5+ messages in thread
From: Tapani Pälli @ 2023-09-19 12:19 UTC (permalink / raw)
To: Andi Shyti, Nirmoy Das
Cc: Tvrtko Ursulin, Lucas De Marchi, intel-gfx, Tejas Upadhyay,
Jonathan Cavitt, stable, dri-devel, Andrzej Hajda, Matt Roper,
Prathap Kumar Valsan
On 19.9.2023 15.11, Andi Shyti wrote:
> Hi Nirmoy,
>
> On Tue, Sep 19, 2023 at 01:47:16PM +0200, Nirmoy Das wrote:
>> The suggestion from the spec is to do l3 fabric flush not L3 flush.
>>
>> Fixes: 78a6ccd65fa3 ("drm/i915/gt: Ensure memory quiesced before
>> invalidation")
> please put this in one line.
>
>> Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
>> Cc: Andi Shyti <andi.shyti@linux.intel.com>
>> Cc: <stable@vger.kernel.org> # v5.8+
>> Cc: Nirmoy Das <nirmoy.das@intel.com>
>> Cc: Andrzej Hajda <andrzej.hajda@intel.com>
>> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>> Cc: Matt Roper <matthew.d.roper@intel.com>
>> Cc: Lucas De Marchi <lucas.demarchi@intel.com>
>> Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
>> Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
>> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
>
> and I believe
>
> Tested-by: Tapani Pälli <tapani.palli@intel.com>
Yes, tested on TGL LP (0x9a49)!
> Thanks,
> Andi
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag
2023-09-19 11:47 [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag Nirmoy Das
2023-09-19 12:11 ` Andi Shyti
@ 2023-09-19 12:42 ` Andrzej Hajda
1 sibling, 0 replies; 5+ messages in thread
From: Andrzej Hajda @ 2023-09-19 12:42 UTC (permalink / raw)
To: Nirmoy Das, intel-gfx
Cc: Tvrtko Ursulin, Lucas De Marchi, Tejas Upadhyay, Jonathan Cavitt,
stable, dri-devel, Andi Shyti, Matt Roper, Prathap Kumar Valsan
On 19.09.2023 13:47, Nirmoy Das wrote:
> The suggestion from the spec is to do l3 fabric flush not L3 flush.
>
> Fixes: 78a6ccd65fa3 ("drm/i915/gt: Ensure memory quiesced before
> invalidation")
> Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
> Cc: Andi Shyti <andi.shyti@linux.intel.com>
> Cc: <stable@vger.kernel.org> # v5.8+
> Cc: Nirmoy Das <nirmoy.das@intel.com>
> Cc: Andrzej Hajda <andrzej.hajda@intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Cc: Matt Roper <matthew.d.roper@intel.com>
> Cc: Lucas De Marchi <lucas.demarchi@intel.com>
> Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
> Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Regards
Andrzej
> ---
> drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 6 +++++-
> drivers/gpu/drm/i915/gt/intel_gpu_commands.h | 1 +
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> index 0143445dba83..a4b241d502c8 100644
> --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
> @@ -272,7 +272,11 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode)
> bit_group_0 |= PIPE_CONTROL_CCS_FLUSH;
>
> bit_group_1 |= PIPE_CONTROL_TILE_CACHE_FLUSH;
> - bit_group_1 |= PIPE_CONTROL_FLUSH_L3;
> + if (mode & EMIT_FLUSH)
> + bit_group_1 |= PIPE_CONTROL_FLUSH_L3;
> + else if (gen12_needs_ccs_aux_inv(engine))
> + bit_group_1 |= PIPE_CONTROL_L3_FABRIC_FLUSH;
> +
> bit_group_1 |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
> bit_group_1 |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
> /* Wa_1409600907:tgl,adl-p */
> diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
> index 2bd8d98d2110..12e8dc481c53 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
> @@ -284,6 +284,7 @@
> #define DISPLAY_PLANE_A (0<<20)
> #define DISPLAY_PLANE_B (1<<20)
> #define GFX_OP_PIPE_CONTROL(len) ((0x3<<29)|(0x3<<27)|(0x2<<24)|((len)-2))
> +#define PIPE_CONTROL_L3_FABRIC_FLUSH (1<<30)
> #define PIPE_CONTROL_COMMAND_CACHE_INVALIDATE (1<<29) /* gen11+ */
> #define PIPE_CONTROL_TILE_CACHE_FLUSH (1<<28) /* gen11+ */
> #define PIPE_CONTROL_FLUSH_L3 (1<<27)
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag
2023-09-19 12:19 ` Tapani Pälli
@ 2023-09-20 11:18 ` Nirmoy Das
0 siblings, 0 replies; 5+ messages in thread
From: Nirmoy Das @ 2023-09-20 11:18 UTC (permalink / raw)
To: Tapani Pälli, Andi Shyti, Nirmoy Das
Cc: Lucas De Marchi, intel-gfx, Jonathan Cavitt, dri-devel, stable,
Andrzej Hajda, Matt Roper, Prathap Kumar Valsan
Sent out https://patchwork.freedesktop.org/series/123975/
to replace this one as this not really fixing the issue.
Thanks,
Nirmoy
On 9/19/2023 2:19 PM, Tapani Pälli wrote:
>
> On 19.9.2023 15.11, Andi Shyti wrote:
>> Hi Nirmoy,
>>
>> On Tue, Sep 19, 2023 at 01:47:16PM +0200, Nirmoy Das wrote:
>>> The suggestion from the spec is to do l3 fabric flush not L3 flush.
>>>
>>> Fixes: 78a6ccd65fa3 ("drm/i915/gt: Ensure memory quiesced before
>>> invalidation")
>> please put this in one line.
>>
>>> Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
>>> Cc: Andi Shyti <andi.shyti@linux.intel.com>
>>> Cc: <stable@vger.kernel.org> # v5.8+
>>> Cc: Nirmoy Das <nirmoy.das@intel.com>
>>> Cc: Andrzej Hajda <andrzej.hajda@intel.com>
>>> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>> Cc: Matt Roper <matthew.d.roper@intel.com>
>>> Cc: Lucas De Marchi <lucas.demarchi@intel.com>
>>> Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
>>> Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
>>> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
>> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
>>
>> and I believe
>>
>> Tested-by: Tapani Pälli <tapani.palli@intel.com>
>
> Yes, tested on TGL LP (0x9a49)!
>
>
>> Thanks,
>> Andi
^ permalink raw reply [flat|nested] 5+ messages in thread
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2023-09-19 11:47 [PATCH] drm/i915: Fix aux invalidation with proper pipe_control flag Nirmoy Das
2023-09-19 12:11 ` Andi Shyti
2023-09-19 12:19 ` Tapani Pälli
2023-09-20 11:18 ` Nirmoy Das
2023-09-19 12:42 ` Andrzej Hajda
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