[Intel-gfx] [PATCH 1/4] Revert "drm/i915/tgl: Include ro parts of l3 to invalidate"

[Intel-gfx] [PATCH 1/4] Revert "drm/i915/tgl: Include ro parts of l3 to invalidate"

[Mika Kuoppala]

This reverts commit 62037ffff229b7d94f1db5ef8d2e2ec819832ef3.

L3 ro cache invalidation is part of the dword0 of pipe
control. Also it is not relevant to this gen.

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_gpu_commands.h | 1 -
 drivers/gpu/drm/i915/gt/intel_lrc.c          | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
index ee10122a511e..b3cf09657fb2 100644
--- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
@@ -236,7 +236,6 @@
 #define   PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH	(1<<12) /* gen6+ */
 #define   PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE	(1<<11) /* MBZ on ILK */
 #define   PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE		(1<<10) /* GM45+ only */
-#define   PIPE_CONTROL_L3_RO_CACHE_INVALIDATE		REG_BIT(10) /* gen12 */
 #define   PIPE_CONTROL_INDIRECT_STATE_DISABLE		(1<<9)
 #define   PIPE_CONTROL_HDC_PIPELINE_FLUSH		REG_BIT(9)  /* gen12 */
 #define   PIPE_CONTROL_NOTIFY				(1<<8)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index dc3f2ee7136d..feba021ca572 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4579,7 +4579,6 @@ static int gen12_emit_flush_render(struct i915_request *request,
 		flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE;
 		flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE;
 		flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE;
-		flags |= PIPE_CONTROL_L3_RO_CACHE_INVALIDATE;
 
 		flags |= PIPE_CONTROL_STORE_DATA_INDEX;
 		flags |= PIPE_CONTROL_QW_WRITE;
-- 
2.17.1

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[Intel-gfx] [PATCH 2/4] drm/i915/gen12: Fix HDC pipeline flush

[Mika Kuoppala]

HDC pipeline flush is bit on the first dword of
the PIPE_CONTROL, not the second. Make it so.

v2: function naming (Chris)

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_engine.h       | 34 ++++++++++++++++----
 drivers/gpu/drm/i915/gt/intel_gpu_commands.h |  2 +-
 drivers/gpu/drm/i915/gt/intel_lrc.c          | 29 +++++++++--------
 3 files changed, 44 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index 19d0b8830905..cb789c8bf06b 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -241,19 +241,29 @@ void intel_engine_fini_breadcrumbs(struct intel_engine_cs *engine);
 void intel_engine_print_breadcrumbs(struct intel_engine_cs *engine,
 				    struct drm_printer *p);
 
-static inline u32 *gen8_emit_pipe_control(u32 *batch, u32 flags, u32 offset)
+static inline u32 *__gen8_emit_pipe_control(u32 *batch, u32 flags0, u32 flags1, u32 offset)
 {
 	memset(batch, 0, 6 * sizeof(u32));
 
-	batch[0] = GFX_OP_PIPE_CONTROL(6);
-	batch[1] = flags;
+	batch[0] = GFX_OP_PIPE_CONTROL(6) | flags0;
+	batch[1] = flags1;
 	batch[2] = offset;
 
 	return batch + 6;
 }
 
+static inline u32 *gen8_emit_pipe_control(u32 *batch, u32 flags, u32 offset)
+{
+	return __gen8_emit_pipe_control(batch, 0, flags, offset);
+}
+
+static inline u32 *gen12_emit_pipe_control(u32 *batch, u32 flags0, u32 flags1, u32 offset)
+{
+	return __gen8_emit_pipe_control(batch, flags0, flags1, offset);
+}
+
 static inline u32 *
-gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
+__gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags0, u32 flags1)
 {
 	/* We're using qword write, offset should be aligned to 8 bytes. */
 	GEM_BUG_ON(!IS_ALIGNED(gtt_offset, 8));
@@ -262,8 +272,8 @@ gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
 	 * need a prior CS_STALL, which is emitted by the flush
 	 * following the batch.
 	 */
-	*cs++ = GFX_OP_PIPE_CONTROL(6);
-	*cs++ = flags | PIPE_CONTROL_QW_WRITE | PIPE_CONTROL_GLOBAL_GTT_IVB;
+	*cs++ = GFX_OP_PIPE_CONTROL(6) | flags0;
+	*cs++ = flags1 | PIPE_CONTROL_QW_WRITE | PIPE_CONTROL_GLOBAL_GTT_IVB;
 	*cs++ = gtt_offset;
 	*cs++ = 0;
 	*cs++ = value;
@@ -273,6 +283,18 @@ gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
 	return cs;
 }
 
+static inline u32*
+gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
+{
+	return __gen8_emit_ggtt_write_rcs(cs, value, gtt_offset, 0, flags);
+}
+
+static inline u32*
+gen12_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags0, u32 flags1)
+{
+	return __gen8_emit_ggtt_write_rcs(cs, value, gtt_offset, flags0, flags1);
+}
+
 static inline u32 *
 gen8_emit_ggtt_write(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
 {
diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
index b3cf09657fb2..534e435f20bc 100644
--- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
@@ -237,7 +237,7 @@
 #define   PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE	(1<<11) /* MBZ on ILK */
 #define   PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE		(1<<10) /* GM45+ only */
 #define   PIPE_CONTROL_INDIRECT_STATE_DISABLE		(1<<9)
-#define   PIPE_CONTROL_HDC_PIPELINE_FLUSH		REG_BIT(9)  /* gen12 */
+#define   PIPE_CONTROL0_HDC_PIPELINE_FLUSH		REG_BIT(9)  /* gen12 */
 #define   PIPE_CONTROL_NOTIFY				(1<<8)
 #define   PIPE_CONTROL_FLUSH_ENABLE			(1<<7) /* gen7+ */
 #define   PIPE_CONTROL_DC_FLUSH_ENABLE			(1<<5)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index feba021ca572..78f879ed4aa7 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4553,7 +4553,6 @@ static int gen12_emit_flush_render(struct i915_request *request,
 		flags |= PIPE_CONTROL_DEPTH_STALL;
 		flags |= PIPE_CONTROL_DC_FLUSH_ENABLE;
 		flags |= PIPE_CONTROL_FLUSH_ENABLE;
-		flags |= PIPE_CONTROL_HDC_PIPELINE_FLUSH;
 
 		flags |= PIPE_CONTROL_STORE_DATA_INDEX;
 		flags |= PIPE_CONTROL_QW_WRITE;
@@ -4564,7 +4563,9 @@ static int gen12_emit_flush_render(struct i915_request *request,
 		if (IS_ERR(cs))
 			return PTR_ERR(cs);
 
-		cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR);
+		cs = gen12_emit_pipe_control(cs,
+					     PIPE_CONTROL0_HDC_PIPELINE_FLUSH,
+					     flags, LRC_PPHWSP_SCRATCH_ADDR);
 		intel_ring_advance(request, cs);
 	}
 
@@ -4751,18 +4752,18 @@ static u32 *gen12_emit_fini_breadcrumb(struct i915_request *rq, u32 *cs)
 static u32 *
 gen12_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs)
 {
-	cs = gen8_emit_ggtt_write_rcs(cs,
-				      request->fence.seqno,
-				      i915_request_active_timeline(request)->hwsp_offset,
-				      PIPE_CONTROL_CS_STALL |
-				      PIPE_CONTROL_TILE_CACHE_FLUSH |
-				      PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
-				      PIPE_CONTROL_DEPTH_CACHE_FLUSH |
-				      /* Wa_1409600907:tgl */
-				      PIPE_CONTROL_DEPTH_STALL |
-				      PIPE_CONTROL_DC_FLUSH_ENABLE |
-				      PIPE_CONTROL_FLUSH_ENABLE |
-				      PIPE_CONTROL_HDC_PIPELINE_FLUSH);
+	cs = gen12_emit_ggtt_write_rcs(cs,
+				       request->fence.seqno,
+				       i915_request_active_timeline(request)->hwsp_offset,
+				       PIPE_CONTROL0_HDC_PIPELINE_FLUSH,
+				       PIPE_CONTROL_CS_STALL |
+				       PIPE_CONTROL_TILE_CACHE_FLUSH |
+				       PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
+				       PIPE_CONTROL_DEPTH_CACHE_FLUSH |
+				       /* Wa_1409600907:tgl */
+				       PIPE_CONTROL_DEPTH_STALL |
+				       PIPE_CONTROL_DC_FLUSH_ENABLE |
+				       PIPE_CONTROL_FLUSH_ENABLE);
 
 	return gen12_emit_fini_breadcrumb_tail(request, cs);
 }
-- 
2.17.1

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[Intel-gfx] [PATCH 3/4] drm/i915/gen12: Flush L3

[Mika Kuoppala]

Flush TDL,L3 and EUs

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 78f879ed4aa7..e1235d504837 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4547,6 +4547,7 @@ static int gen12_emit_flush_render(struct i915_request *request,
 		u32 *cs;
 
 		flags |= PIPE_CONTROL_TILE_CACHE_FLUSH;
+		flags |= PIPE_CONTROL_FLUSH_L3;
 		flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
 		flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
 		/* Wa_1409600907:tgl */
@@ -4758,6 +4759,7 @@ gen12_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs)
 				       PIPE_CONTROL0_HDC_PIPELINE_FLUSH,
 				       PIPE_CONTROL_CS_STALL |
 				       PIPE_CONTROL_TILE_CACHE_FLUSH |
+				       PIPE_CONTROL_FLUSH_L3 |
 				       PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
 				       PIPE_CONTROL_DEPTH_CACHE_FLUSH |
 				       /* Wa_1409600907:tgl */
-- 
2.17.1

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Re: [Intel-gfx] [PATCH 3/4] drm/i915/gen12: Flush L3

[Chris Wilson]

Quoting Mika Kuoppala (2020-05-06 15:47:33)
> Flush TDL,L3 and EUs
> 
> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>

I bow to your interpretation of the docs,
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris
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[Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Mika Kuoppala]

Aux table invalidation can fail on update. So
next access may cause memory access to be into stale entry.

Proposed workaround is to invalidate entries between
all batchbuffers.

References bspec#43904, hsdes#1809175790
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chuansheng Liu <chuansheng.liu@intel.com>
Cc: Rafael ANtognolli <rafael.antognolli@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 16 +++++++++++++++-
 drivers/gpu/drm/i915/i915_reg.h     |  2 ++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index e1235d504837..bbdb0e2a4571 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4539,6 +4539,17 @@ static u32 preparser_disable(bool state)
 	return MI_ARB_CHECK | 1 << 8 | state;
 }
 
+static u32 *
+gen12_emit_aux_table_inv(struct i915_request *rq, u32 *cs)
+{
+	*cs++ = MI_LOAD_REGISTER_IMM(1);
+	*cs++ = i915_mmio_reg_offset(GEN12_GFX_CCS_AUX_NV);
+	*cs++ = AUX_INV;
+	*cs++ = MI_NOOP;
+
+	return cs;
+}
+
 static int gen12_emit_flush_render(struct i915_request *request,
 				   u32 mode)
 {
@@ -4587,7 +4598,7 @@ static int gen12_emit_flush_render(struct i915_request *request,
 
 		flags |= PIPE_CONTROL_CS_STALL;
 
-		cs = intel_ring_begin(request, 8);
+		cs = intel_ring_begin(request, 8 + 4);
 		if (IS_ERR(cs))
 			return PTR_ERR(cs);
 
@@ -4600,6 +4611,9 @@ static int gen12_emit_flush_render(struct i915_request *request,
 
 		cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR);
 
+		/* hsdes: 1809175790 */
+		cs = gen12_emit_aux_table_inv(request, cs);
+
 		*cs++ = preparser_disable(false);
 		intel_ring_advance(request, cs);
 	}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fde54b86ea20..07e702bd16b5 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2526,6 +2526,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define HSW_GTT_CACHE_EN	_MMIO(0x4024)
 #define   GTT_CACHE_EN_ALL	0xF0007FFF
 #define GEN7_WR_WATERMARK	_MMIO(0x4028)
+#define GEN12_GFX_CCS_AUX_NV	_MMIO(0x4028)
+#define   AUX_INV		REG_BIT(0)
 #define GEN7_GFX_PRIO_CTRL	_MMIO(0x402C)
 #define ARB_MODE		_MMIO(0x4030)
 #define   ARB_MODE_SWIZZLE_SNB	(1 << 4)
-- 
2.17.1

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Re: [Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Chris Wilson]

Quoting Mika Kuoppala (2020-05-06 15:47:34)
> Aux table invalidation can fail on update. So
> next access may cause memory access to be into stale entry.
> 
> Proposed workaround is to invalidate entries between
> all batchbuffers.

This sounds like it should have a sunset clause. Do we anticipate being
able to drop this w/a in future?
-Chris
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Re: [Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Mika Kuoppala]

Chris Wilson <chris@chris-wilson.co.uk> writes:

> Quoting Mika Kuoppala (2020-05-06 15:47:34)
>> Aux table invalidation can fail on update. So
>> next access may cause memory access to be into stale entry.
>> 
>> Proposed workaround is to invalidate entries between
>> all batchbuffers.
>
> This sounds like it should have a sunset clause. Do we anticipate being
> able to drop this w/a in future?

Rafael kindly pointed out that Mesa already does this:
https://gitlab.freedesktop.org/mesa/mesa/-/blob/master/src/gallium/drivers/iris/iris_state.c#L5131
So I would say we can drop this patch.

But it makes me wonder that is that LRI dropped for not being whitelisted.

-Mika
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Re: [Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Chris Wilson]

Quoting Mika Kuoppala (2020-05-06 16:20:22)
> Chris Wilson <chris@chris-wilson.co.uk> writes:
> 
> > Quoting Mika Kuoppala (2020-05-06 15:47:34)
> >> Aux table invalidation can fail on update. So
> >> next access may cause memory access to be into stale entry.
> >> 
> >> Proposed workaround is to invalidate entries between
> >> all batchbuffers.
> >
> > This sounds like it should have a sunset clause. Do we anticipate being
> > able to drop this w/a in future?
> 
> Rafael kindly pointed out that Mesa already does this:
> https://gitlab.freedesktop.org/mesa/mesa/-/blob/master/src/gallium/drivers/iris/iris_state.c#L5131
> So I would say we can drop this patch.

Is the false hit self-contained? Is it caused by PTE update of the
address or by a 3D state change i.e. is it a potential isolation issue?
-Chris
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Re: [Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Rafael Antognolli]

On Wed, May 06, 2020 at 04:32:02PM +0100, Chris Wilson wrote:
> Quoting Mika Kuoppala (2020-05-06 16:20:22)
> > Chris Wilson <chris@chris-wilson.co.uk> writes:
> > 
> > > Quoting Mika Kuoppala (2020-05-06 15:47:34)
> > >> Aux table invalidation can fail on update. So
> > >> next access may cause memory access to be into stale entry.
> > >> 
> > >> Proposed workaround is to invalidate entries between
> > >> all batchbuffers.
> > >
> > > This sounds like it should have a sunset clause. Do we anticipate being
> > > able to drop this w/a in future?
> > 
> > Rafael kindly pointed out that Mesa already does this:
> > https://gitlab.freedesktop.org/mesa/mesa/-/blob/master/src/gallium/drivers/iris/iris_state.c#L5131
> > So I would say we can drop this patch.
> 
> Is the false hit self-contained? Is it caused by PTE update of the
> address or by a 3D state change i.e. is it a potential isolation issue?
> -Chris

There's no 3D state for the aux table. What we do in Iris is:
 - allocate buffers and cpu map them
 - write the multiple levels of the table (main buffers -> CCS buffers)
   and keep track of when it changes
 - whenever it changes, we emit LRI to 0x4208 to invalidate the cache.

Anv does something similar except it writes to the table from the GPU.

I tried removing the heuristics and invalidating the table on the
beginning of every batch, but it doesn't help. We can probably get
preempted mid-batch and then another context with a different aux table
and the wrong cache is probably causing the hang. The kernel
invalidating it seems to fix the problem.

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[Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Mika Kuoppala]

Aux table invalidation can fail on update. So
next access may cause memory access to be into stale entry.

Proposed workaround is to invalidate entries between
all batchbuffers.

v2: correct register address (Yang)

References bspec#43904, hsdes#1809175790
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chuansheng Liu <chuansheng.liu@intel.com>
Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Cc: Yang A Shi <yang.a.shi@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 16 +++++++++++++++-
 drivers/gpu/drm/i915/i915_reg.h     |  2 ++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index e1235d504837..bbdb0e2a4571 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4539,6 +4539,17 @@ static u32 preparser_disable(bool state)
 	return MI_ARB_CHECK | 1 << 8 | state;
 }
 
+static u32 *
+gen12_emit_aux_table_inv(struct i915_request *rq, u32 *cs)
+{
+	*cs++ = MI_LOAD_REGISTER_IMM(1);
+	*cs++ = i915_mmio_reg_offset(GEN12_GFX_CCS_AUX_NV);
+	*cs++ = AUX_INV;
+	*cs++ = MI_NOOP;
+
+	return cs;
+}
+
 static int gen12_emit_flush_render(struct i915_request *request,
 				   u32 mode)
 {
@@ -4587,7 +4598,7 @@ static int gen12_emit_flush_render(struct i915_request *request,
 
 		flags |= PIPE_CONTROL_CS_STALL;
 
-		cs = intel_ring_begin(request, 8);
+		cs = intel_ring_begin(request, 8 + 4);
 		if (IS_ERR(cs))
 			return PTR_ERR(cs);
 
@@ -4600,6 +4611,9 @@ static int gen12_emit_flush_render(struct i915_request *request,
 
 		cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR);
 
+		/* hsdes: 1809175790 */
+		cs = gen12_emit_aux_table_inv(request, cs);
+
 		*cs++ = preparser_disable(false);
 		intel_ring_advance(request, cs);
 	}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fde54b86ea20..5168cde0596f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2526,6 +2526,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define HSW_GTT_CACHE_EN	_MMIO(0x4024)
 #define   GTT_CACHE_EN_ALL	0xF0007FFF
 #define GEN7_WR_WATERMARK	_MMIO(0x4028)
+#define GEN12_GFX_CCS_AUX_NV	_MMIO(0x4208)
+#define   AUX_INV		REG_BIT(0)
 #define GEN7_GFX_PRIO_CTRL	_MMIO(0x402C)
 #define ARB_MODE		_MMIO(0x4030)
 #define   ARB_MODE_SWIZZLE_SNB	(1 << 4)
-- 
2.17.1

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Re: [Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Chris Wilson]

Quoting Mika Kuoppala (2020-05-06 16:58:55)
> Aux table invalidation can fail on update. So
> next access may cause memory access to be into stale entry.
> 
> Proposed workaround is to invalidate entries between
> all batchbuffers.
> 
> v2: correct register address (Yang)
> 
> References bspec#43904, hsdes#1809175790
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Chuansheng Liu <chuansheng.liu@intel.com>
> Cc: Rafael Antognolli <rafael.antognolli@intel.com>
> Cc: Yang A Shi <yang.a.shi@intel.com>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>

I only hear good things about v3, so
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>

> @@ -2526,6 +2526,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
>  #define HSW_GTT_CACHE_EN       _MMIO(0x4024)
>  #define   GTT_CACHE_EN_ALL     0xF0007FFF
>  #define GEN7_WR_WATERMARK      _MMIO(0x4028)
> +#define GEN12_GFX_CCS_AUX_NV   _MMIO(0x4208)
> +#define   AUX_INV              REG_BIT(0)
>  #define GEN7_GFX_PRIO_CTRL     _MMIO(0x402C)
>  #define ARB_MODE               _MMIO(0x4030)
>  #define   ARB_MODE_SWIZZLE_SNB (1 << 4)

4024, 4028, 4208, 402C, 4030.

Something seems not quite right.
-Chris
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[Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Mika Kuoppala]

Aux table invalidation can fail on update. So
next access may cause memory access to be into stale entry.

Proposed workaround is to invalidate entries between
all batchbuffers.

v2: correct register address (Yang)
v3: respect the order (Chris)

References bspec#43904, hsdes#1809175790
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chuansheng Liu <chuansheng.liu@intel.com>
Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Cc: Yang A Shi <yang.a.shi@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 16 +++++++++++++++-
 drivers/gpu/drm/i915/i915_reg.h     |  2 ++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index e1235d504837..bbdb0e2a4571 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4539,6 +4539,17 @@ static u32 preparser_disable(bool state)
 	return MI_ARB_CHECK | 1 << 8 | state;
 }
 
+static u32 *
+gen12_emit_aux_table_inv(struct i915_request *rq, u32 *cs)
+{
+	*cs++ = MI_LOAD_REGISTER_IMM(1);
+	*cs++ = i915_mmio_reg_offset(GEN12_GFX_CCS_AUX_NV);
+	*cs++ = AUX_INV;
+	*cs++ = MI_NOOP;
+
+	return cs;
+}
+
 static int gen12_emit_flush_render(struct i915_request *request,
 				   u32 mode)
 {
@@ -4587,7 +4598,7 @@ static int gen12_emit_flush_render(struct i915_request *request,
 
 		flags |= PIPE_CONTROL_CS_STALL;
 
-		cs = intel_ring_begin(request, 8);
+		cs = intel_ring_begin(request, 8 + 4);
 		if (IS_ERR(cs))
 			return PTR_ERR(cs);
 
@@ -4600,6 +4611,9 @@ static int gen12_emit_flush_render(struct i915_request *request,
 
 		cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR);
 
+		/* hsdes: 1809175790 */
+		cs = gen12_emit_aux_table_inv(request, cs);
+
 		*cs++ = preparser_disable(false);
 		intel_ring_advance(request, cs);
 	}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fde54b86ea20..dc5952200a07 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2557,6 +2557,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define GEN10_PAT_INDEX(index)	_MMIO(0x40e0 + (index) * 4)
 #define GEN12_PAT_INDEX(index)	_MMIO(0x4800 + (index) * 4)
 #define BSD_HWS_PGA_GEN7	_MMIO(0x04180)
+#define GEN12_GFX_CCS_AUX_NV	_MMIO(0x4208)
+#define   AUX_INV		REG_BIT(0)
 #define BLT_HWS_PGA_GEN7	_MMIO(0x04280)
 #define VEBOX_HWS_PGA_GEN7	_MMIO(0x04380)
 #define RING_ACTHD(base)	_MMIO((base) + 0x74)
-- 
2.17.1

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Re: [Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Liu, Chuansheng]

Hi Mika,

> -----Original Message-----
> From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Sent: Thursday, May 7, 2020 12:53 AM
> To: intel-gfx@lists.freedesktop.org
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>; Chris Wilson
> <chris@chris-wilson.co.uk>; Liu, Chuansheng <chuansheng.liu@intel.com>;
> Antognolli, Rafael <rafael.antognolli@intel.com>; Shi, Yang A
> <yang.a.shi@intel.com>
> Subject: [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly
> 
> Aux table invalidation can fail on update. So
> next access may cause memory access to be into stale entry.
> 
> Proposed workaround is to invalidate entries between
> all batchbuffers.

Thanks for cooking this patch for RCS engine. Similar way applies to all the engines.
Expecting more patches.

VD0_CCS_AUX_NV	04218h
VD1_CCS_AUX_NV	04228h
VE0_CCS_AUX_NV	04238h
VD2_CCS_AUX_NV	04298h
VD3_CCS_AUX_NV	042A8h
VE1_CCS_AUX_NV	042B8h
COMPCS0_CCS_AUX_NV	042C8h
GFX_CCS_AUX_NV	04208h
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Re: [Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Chris Wilson]

Quoting Mika Kuoppala (2020-05-06 17:53:10)
> Aux table invalidation can fail on update. So
> next access may cause memory access to be into stale entry.
> 
> Proposed workaround is to invalidate entries between
> all batchbuffers.
> 
> v2: correct register address (Yang)
> v3: respect the order (Chris)
> 
> References bspec#43904, hsdes#1809175790
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Chuansheng Liu <chuansheng.liu@intel.com>
> Cc: Rafael Antognolli <rafael.antognolli@intel.com>
> Cc: Yang A Shi <yang.a.shi@intel.com>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/gt/intel_lrc.c | 16 +++++++++++++++-
>  drivers/gpu/drm/i915/i915_reg.h     |  2 ++
>  2 files changed, 17 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
> index e1235d504837..bbdb0e2a4571 100644
> --- a/drivers/gpu/drm/i915/gt/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
> @@ -4539,6 +4539,17 @@ static u32 preparser_disable(bool state)
>         return MI_ARB_CHECK | 1 << 8 | state;
>  }
>  
> +static u32 *
> +gen12_emit_aux_table_inv(struct i915_request *rq, u32 *cs)
> +{
> +       *cs++ = MI_LOAD_REGISTER_IMM(1);
> +       *cs++ = i915_mmio_reg_offset(GEN12_GFX_CCS_AUX_NV);
> +       *cs++ = AUX_INV;
> +       *cs++ = MI_NOOP;
> +
> +       return cs;
> +}
> +
>  static int gen12_emit_flush_render(struct i915_request *request,
>                                    u32 mode)
>  {
> @@ -4587,7 +4598,7 @@ static int gen12_emit_flush_render(struct i915_request *request,
>  
>                 flags |= PIPE_CONTROL_CS_STALL;
>  
> -               cs = intel_ring_begin(request, 8);
> +               cs = intel_ring_begin(request, 8 + 4);
>                 if (IS_ERR(cs))
>                         return PTR_ERR(cs);
>  
> @@ -4600,6 +4611,9 @@ static int gen12_emit_flush_render(struct i915_request *request,
>  
>                 cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR);
>  
> +               /* hsdes: 1809175790 */
> +               cs = gen12_emit_aux_table_inv(request, cs);

It is worth mentioning that we do not fix up the EMIT_INVALIDATE for the
actual physical engine a virtual request may run on. Not a problem until
you try to support other engines. Pray for a quick HW fix.
-Chris
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[Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [1/4] Revert "drm/i915/tgl: Include ro parts of l3 to invalidate" (rev3)

[Patchwork]

== Series Details ==

Series: series starting with [1/4] Revert "drm/i915/tgl: Include ro parts of l3 to invalidate" (rev3)
URL   : https://patchwork.freedesktop.org/series/77000/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8437 -> Patchwork_17592
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/index.html

Known issues
------------

  Here are the changes found in Patchwork_17592 that come from known issues:

### IGT changes ###

#### Warnings ####

  * igt@i915_pm_rpm@basic-rte:
    - fi-kbl-guc:         [SKIP][1] ([fdo#109271]) -> [FAIL][2] ([i915#579])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/fi-kbl-guc/igt@i915_pm_rpm@basic-rte.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/fi-kbl-guc/igt@i915_pm_rpm@basic-rte.html

  * igt@i915_pm_rpm@module-reload:
    - fi-kbl-x1275:       [SKIP][3] ([fdo#109271]) -> [FAIL][4] ([i915#62])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/fi-kbl-x1275/igt@i915_pm_rpm@module-reload.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/fi-kbl-x1275/igt@i915_pm_rpm@module-reload.html

  
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [i915#579]: https://gitlab.freedesktop.org/drm/intel/issues/579
  [i915#62]: https://gitlab.freedesktop.org/drm/intel/issues/62


Participating hosts (51 -> 44)
------------------------------

  Missing    (7): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper fi-bdw-samus 


Build changes
-------------

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8437 -> Patchwork_17592

  CI-20190529: 20190529
  CI_DRM_8437: f721984e59fc8e56b7811b1c9229e94136742a74 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5635: e83abfca61d407d12eee4d25bb0e8686337a7791 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_17592: b823a90e110bdff605705b2046f7c079da6b4c5f @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

b823a90e110b drm/i915/gen12: Invalidate aux table entries forcibly
737484f26b6b drm/i915/gen12: Flush L3
98fa7c89748d drm/i915/gen12: Fix HDC pipeline flush
d39f76775f88 Revert "drm/i915/tgl: Include ro parts of l3 to invalidate"

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/index.html
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[Intel-gfx] ✓ Fi.CI.IGT: success for series starting with [1/4] Revert "drm/i915/tgl: Include ro parts of l3 to invalidate" (rev3)

[Patchwork]

== Series Details ==

Series: series starting with [1/4] Revert "drm/i915/tgl: Include ro parts of l3 to invalidate" (rev3)
URL   : https://patchwork.freedesktop.org/series/77000/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8437_full -> Patchwork_17592_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  

Known issues
------------

  Here are the changes found in Patchwork_17592_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_ctx_persistence@legacy-engines-mixed-process@blt:
    - shard-skl:          [PASS][1] -> [FAIL][2] ([i915#1528])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-skl7/igt@gem_ctx_persistence@legacy-engines-mixed-process@blt.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-skl5/igt@gem_ctx_persistence@legacy-engines-mixed-process@blt.html

  * igt@i915_suspend@fence-restore-tiled2untiled:
    - shard-kbl:          [PASS][3] -> [DMESG-WARN][4] ([i915#180])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-kbl3/igt@i915_suspend@fence-restore-tiled2untiled.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-kbl2/igt@i915_suspend@fence-restore-tiled2untiled.html

  * igt@kms_cursor_edge_walk@pipe-a-256x256-top-edge:
    - shard-kbl:          [PASS][5] -> [FAIL][6] ([i915#70] / [i915#93] / [i915#95])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-kbl6/igt@kms_cursor_edge_walk@pipe-a-256x256-top-edge.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-kbl4/igt@kms_cursor_edge_walk@pipe-a-256x256-top-edge.html

  * igt@kms_cursor_legacy@2x-long-cursor-vs-flip-atomic:
    - shard-hsw:          [PASS][7] -> [FAIL][8] ([i915#96])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-hsw7/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-atomic.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-hsw6/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-atomic.html

  * igt@kms_dp_dsc@basic-dsc-enable-edp:
    - shard-iclb:         [PASS][9] -> [SKIP][10] ([fdo#109349])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-iclb2/igt@kms_dp_dsc@basic-dsc-enable-edp.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-iclb8/igt@kms_dp_dsc@basic-dsc-enable-edp.html

  * igt@kms_draw_crc@fill-fb:
    - shard-apl:          [PASS][11] -> [FAIL][12] ([i915#95])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-apl2/igt@kms_draw_crc@fill-fb.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-apl3/igt@kms_draw_crc@fill-fb.html

  * igt@kms_fbcon_fbt@psr-suspend:
    - shard-skl:          [PASS][13] -> [INCOMPLETE][14] ([i915#69])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-skl3/igt@kms_fbcon_fbt@psr-suspend.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-skl9/igt@kms_fbcon_fbt@psr-suspend.html

  * igt@kms_hdr@bpc-switch-dpms:
    - shard-skl:          [PASS][15] -> [FAIL][16] ([i915#1188])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-skl3/igt@kms_hdr@bpc-switch-dpms.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-skl5/igt@kms_hdr@bpc-switch-dpms.html

  * igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes:
    - shard-kbl:          [PASS][17] -> [DMESG-WARN][18] ([i915#180] / [i915#93] / [i915#95])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-kbl4/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-kbl2/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-a-planes.html

  * igt@kms_plane_alpha_blend@pipe-b-coverage-7efc:
    - shard-skl:          [PASS][19] -> [FAIL][20] ([fdo#108145] / [i915#265]) +1 similar issue
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-skl10/igt@kms_plane_alpha_blend@pipe-b-coverage-7efc.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-skl5/igt@kms_plane_alpha_blend@pipe-b-coverage-7efc.html

  * igt@kms_psr@psr2_cursor_plane_move:
    - shard-iclb:         [PASS][21] -> [SKIP][22] ([fdo#109441]) +1 similar issue
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-iclb2/igt@kms_psr@psr2_cursor_plane_move.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-iclb8/igt@kms_psr@psr2_cursor_plane_move.html

  * igt@kms_setmode@basic:
    - shard-kbl:          [PASS][23] -> [FAIL][24] ([i915#31])
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-kbl6/igt@kms_setmode@basic.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-kbl4/igt@kms_setmode@basic.html

  
#### Possible fixes ####

  * igt@i915_suspend@sysfs-reader:
    - shard-apl:          [DMESG-WARN][25] ([i915#180]) -> [PASS][26] +3 similar issues
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-apl4/igt@i915_suspend@sysfs-reader.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-apl7/igt@i915_suspend@sysfs-reader.html

  * igt@kms_cursor_legacy@2x-long-cursor-vs-flip-legacy:
    - shard-hsw:          [FAIL][27] ([i915#96]) -> [PASS][28]
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-hsw8/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-legacy.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-hsw2/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-legacy.html

  * {igt@kms_flip@flip-vs-suspend-interruptible@a-dp1}:
    - shard-kbl:          [DMESG-WARN][29] ([i915#180]) -> [PASS][30] +2 similar issues
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-kbl7/igt@kms_flip@flip-vs-suspend-interruptible@a-dp1.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-kbl1/igt@kms_flip@flip-vs-suspend-interruptible@a-dp1.html

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-indfb-draw-pwrite:
    - shard-snb:          [SKIP][31] ([fdo#109271]) -> [PASS][32] +1 similar issue
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-snb1/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-indfb-draw-pwrite.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-snb5/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-indfb-draw-pwrite.html

  * igt@kms_hdr@bpc-switch-suspend:
    - shard-skl:          [FAIL][33] ([i915#1188]) -> [PASS][34] +1 similar issue
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-skl8/igt@kms_hdr@bpc-switch-suspend.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-skl3/igt@kms_hdr@bpc-switch-suspend.html

  * igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min:
    - shard-skl:          [FAIL][35] ([fdo#108145] / [i915#265]) -> [PASS][36] +1 similar issue
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-skl2/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-skl6/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html

  * igt@kms_psr@psr2_sprite_plane_move:
    - shard-iclb:         [SKIP][37] ([fdo#109441]) -> [PASS][38] +2 similar issues
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-iclb7/igt@kms_psr@psr2_sprite_plane_move.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-iclb2/igt@kms_psr@psr2_sprite_plane_move.html

  * igt@kms_setmode@basic:
    - shard-hsw:          [FAIL][39] ([i915#31]) -> [PASS][40]
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-hsw4/igt@kms_setmode@basic.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-hsw4/igt@kms_setmode@basic.html

  * {igt@perf@polling-parameterized}:
    - shard-kbl:          [FAIL][41] ([i915#1542]) -> [PASS][42]
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-kbl1/igt@perf@polling-parameterized.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-kbl3/igt@perf@polling-parameterized.html

  
#### Warnings ####

  * igt@i915_pm_dc@dc6-dpms:
    - shard-tglb:         [FAIL][43] ([i915#454]) -> [SKIP][44] ([i915#468])
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-tglb5/igt@i915_pm_dc@dc6-dpms.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-tglb2/igt@i915_pm_dc@dc6-dpms.html

  * igt@i915_pm_rpm@pm-tiling:
    - shard-snb:          [SKIP][45] ([fdo#109271]) -> [INCOMPLETE][46] ([i915#82])
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-snb5/igt@i915_pm_rpm@pm-tiling.html
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-snb6/igt@i915_pm_rpm@pm-tiling.html

  * igt@kms_content_protection@atomic-dpms:
    - shard-apl:          [FAIL][47] ([fdo#110321] / [fdo#110336]) -> [TIMEOUT][48] ([i915#1319]) +1 similar issue
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-apl1/igt@kms_content_protection@atomic-dpms.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-apl6/igt@kms_content_protection@atomic-dpms.html

  * igt@kms_content_protection@srm:
    - shard-apl:          [FAIL][49] ([fdo#110321]) -> [TIMEOUT][50] ([i915#1319])
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8437/shard-apl4/igt@kms_content_protection@srm.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/shard-apl6/igt@kms_content_protection@srm.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109349]: https://bugs.freedesktop.org/show_bug.cgi?id=109349
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#110321]: https://bugs.freedesktop.org/show_bug.cgi?id=110321
  [fdo#110336]: https://bugs.freedesktop.org/show_bug.cgi?id=110336
  [i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
  [i915#1319]: https://gitlab.freedesktop.org/drm/intel/issues/1319
  [i915#1528]: https://gitlab.freedesktop.org/drm/intel/issues/1528
  [i915#1542]: https://gitlab.freedesktop.org/drm/intel/issues/1542
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#198]: https://gitlab.freedesktop.org/drm/intel/issues/198
  [i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
  [i915#31]: https://gitlab.freedesktop.org/drm/intel/issues/31
  [i915#34]: https://gitlab.freedesktop.org/drm/intel/issues/34
  [i915#454]: https://gitlab.freedesktop.org/drm/intel/issues/454
  [i915#468]: https://gitlab.freedesktop.org/drm/intel/issues/468
  [i915#61]: https://gitlab.freedesktop.org/drm/intel/issues/61
  [i915#69]: https://gitlab.freedesktop.org/drm/intel/issues/69
  [i915#70]: https://gitlab.freedesktop.org/drm/intel/issues/70
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79
  [i915#82]: https://gitlab.freedesktop.org/drm/intel/issues/82
  [i915#93]: https://gitlab.freedesktop.org/drm/intel/issues/93
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95
  [i915#96]: https://gitlab.freedesktop.org/drm/intel/issues/96


Participating hosts (11 -> 11)
------------------------------

  No changes in participating hosts


Build changes
-------------

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8437 -> Patchwork_17592

  CI-20190529: 20190529
  CI_DRM_8437: f721984e59fc8e56b7811b1c9229e94136742a74 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5635: e83abfca61d407d12eee4d25bb0e8686337a7791 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_17592: b823a90e110bdff605705b2046f7c079da6b4c5f @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17592/index.html
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