[Intel-gfx] [PATCH v2 0/8] drm/i915: Remainder of dbuf state stuff

[Intel-gfx] [PATCH v2 0/8] drm/i915: Remainder of dbuf state stuff

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Rebased dbuf remainders for ci to chew. All 
reviewwed by Stan now (thanks).

Ville Syrjälä (8):
  drm/i915: Extract intel_crtc_ddb_weight()
  drm/i915: Pass the crtc to skl_compute_dbuf_slices()
  drm/i915: Introduce intel_dbuf_slice_size()
  drm/i915: Introduce skl_ddb_entry_for_slices()
  drm/i915: Move pipe ddb entries into the dbuf state
  drm/i915: Extract intel_crtc_dbuf_weights()
  drm/i915: Encapsulate dbuf state handling harder
  drm/i915: Do a bit more initial readout for dbuf

 drivers/gpu/drm/i915/display/intel_display.c  |  40 +-
 .../drm/i915/display/intel_display_debugfs.c  |   1 -
 .../drm/i915/display/intel_display_types.h    |   1 -
 drivers/gpu/drm/i915/i915_drv.h               |   9 -
 drivers/gpu/drm/i915/intel_pm.c               | 538 ++++++++----------
 drivers/gpu/drm/i915/intel_pm.h               |   7 +-
 6 files changed, 267 insertions(+), 329 deletions(-)

-- 
2.26.2

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[Intel-gfx] [PATCH v2 1/8] drm/i915: Extract intel_crtc_ddb_weight()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

skl_ddb_get_pipe_allocation_limits() doesn't care how the weights
for distributing the ddb are caclculated for each pipe. Put that
calculation into a separate function so that such mundane details
are hidden from view.

v2: s/adjusted_mode/pipe_mode/

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 45 ++++++++++++++++++++-------------
 1 file changed, 27 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 9180db1bfda7..3b5e6836c246 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4077,6 +4077,24 @@ u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *dev_priv,
 	return slice_mask;
 }
 
+static unsigned int intel_crtc_ddb_weight(const struct intel_crtc_state *crtc_state)
+{
+	const struct drm_display_mode *pipe_mode = &crtc_state->hw.pipe_mode;
+	int hdisplay, vdisplay;
+
+	if (!crtc_state->hw.active)
+		return 0;
+
+	/*
+	 * Watermark/ddb requirement highly depends upon width of the
+	 * framebuffer, So instead of allocating DDB equally among pipes
+	 * distribute DDB based on resolution/width of the display.
+	 */
+	drm_mode_get_hv_timing(pipe_mode, &hdisplay, &vdisplay);
+
+	return hdisplay;
+}
+
 static u8 skl_compute_dbuf_slices(const struct intel_crtc_state *crtc_state,
 				  u8 active_pipes);
 
@@ -4091,7 +4109,7 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
 	struct drm_crtc *for_crtc = crtc_state->uapi.crtc;
 	const struct intel_crtc *crtc;
-	u32 pipe_width = 0, total_width_in_range = 0, width_before_pipe_in_range = 0;
+	unsigned int pipe_weight = 0, total_weight = 0, weight_before_pipe = 0;
 	enum pipe for_pipe = to_intel_crtc(for_crtc)->pipe;
 	struct intel_dbuf_state *new_dbuf_state =
 		intel_atomic_get_new_dbuf_state(intel_state);
@@ -4160,18 +4178,11 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 	 */
 	ddb_range_size = hweight8(dbuf_slice_mask) * slice_size;
 
-	/*
-	 * Watermark/ddb requirement highly depends upon width of the
-	 * framebuffer, So instead of allocating DDB equally among pipes
-	 * distribute DDB based on resolution/width of the display.
-	 */
 	total_slice_mask = dbuf_slice_mask;
 	for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) {
-		const struct drm_display_mode *pipe_mode =
-			&crtc_state->hw.pipe_mode;
 		enum pipe pipe = crtc->pipe;
-		int hdisplay, vdisplay;
-		u32 pipe_dbuf_slice_mask;
+		unsigned int weight;
+		u8 pipe_dbuf_slice_mask;
 
 		if (!crtc_state->hw.active)
 			continue;
@@ -4198,14 +4209,13 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 		if (dbuf_slice_mask != pipe_dbuf_slice_mask)
 			continue;
 
-		drm_mode_get_hv_timing(pipe_mode, &hdisplay, &vdisplay);
-
-		total_width_in_range += hdisplay;
+		weight = intel_crtc_ddb_weight(crtc_state);
+		total_weight += weight;
 
 		if (pipe < for_pipe)
-			width_before_pipe_in_range += hdisplay;
+			weight_before_pipe += weight;
 		else if (pipe == for_pipe)
-			pipe_width = hdisplay;
+			pipe_weight = weight;
 	}
 
 	/*
@@ -4220,9 +4230,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 			return ret;
 	}
 
-	start = ddb_range_size * width_before_pipe_in_range / total_width_in_range;
-	end = ddb_range_size *
-		(width_before_pipe_in_range + pipe_width) / total_width_in_range;
+	start = ddb_range_size * weight_before_pipe / total_weight;
+	end = ddb_range_size * (weight_before_pipe + pipe_weight) / total_weight;
 
 	alloc->start = offset + start;
 	alloc->end = offset + end;
-- 
2.26.2

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[Intel-gfx] [PATCH v2 2/8] drm/i915: Pass the crtc to skl_compute_dbuf_slices()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

skl_compute_dbuf_slices() has no use for the crtc state, so
just pass the crtc itself.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 3b5e6836c246..4f60adf9d39b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4095,7 +4095,7 @@ static unsigned int intel_crtc_ddb_weight(const struct intel_crtc_state *crtc_st
 	return hdisplay;
 }
 
-static u8 skl_compute_dbuf_slices(const struct intel_crtc_state *crtc_state,
+static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc,
 				  u8 active_pipes);
 
 static int
@@ -4107,10 +4107,10 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 {
 	struct drm_atomic_state *state = crtc_state->uapi.state;
 	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-	struct drm_crtc *for_crtc = crtc_state->uapi.crtc;
-	const struct intel_crtc *crtc;
+	struct intel_crtc *for_crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct intel_crtc *crtc;
 	unsigned int pipe_weight = 0, total_weight = 0, weight_before_pipe = 0;
-	enum pipe for_pipe = to_intel_crtc(for_crtc)->pipe;
+	enum pipe for_pipe = for_crtc->pipe;
 	struct intel_dbuf_state *new_dbuf_state =
 		intel_atomic_get_new_dbuf_state(intel_state);
 	const struct intel_dbuf_state *old_dbuf_state =
@@ -4154,14 +4154,14 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 		 *
 		 * FIXME get rid of this mess
 		 */
-		*alloc = to_intel_crtc_state(for_crtc->state)->wm.skl.ddb;
+		*alloc = to_intel_crtc_state(for_crtc->base.state)->wm.skl.ddb;
 		return 0;
 	}
 
 	/*
 	 * Get allowed DBuf slices for correspondent pipe and platform.
 	 */
-	dbuf_slice_mask = skl_compute_dbuf_slices(crtc_state, active_pipes);
+	dbuf_slice_mask = skl_compute_dbuf_slices(for_crtc, active_pipes);
 
 	/*
 	 * Figure out at which DBuf slice we start, i.e if we start at Dbuf S2
@@ -4187,8 +4187,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 		if (!crtc_state->hw.active)
 			continue;
 
-		pipe_dbuf_slice_mask = skl_compute_dbuf_slices(crtc_state,
-							       active_pipes);
+		pipe_dbuf_slice_mask =
+			skl_compute_dbuf_slices(crtc, active_pipes);
 
 		/*
 		 * According to BSpec pipe can share one dbuf slice with another
@@ -4238,7 +4238,7 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 
 	drm_dbg_kms(&dev_priv->drm,
 		    "[CRTC:%d:%s] dbuf slices 0x%x, ddb (%d - %d), active pipes 0x%x\n",
-		    for_crtc->base.id, for_crtc->name,
+		    for_crtc->base.base.id, for_crtc->base.name,
 		    dbuf_slice_mask, alloc->start, alloc->end, active_pipes);
 
 	return 0;
@@ -4641,10 +4641,8 @@ static u8 tgl_compute_dbuf_slices(enum pipe pipe, u8 active_pipes)
 	return compute_dbuf_slices(pipe, active_pipes, tgl_allowed_dbufs);
 }
 
-static u8 skl_compute_dbuf_slices(const struct intel_crtc_state *crtc_state,
-				  u8 active_pipes)
+static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc, u8 active_pipes)
 {
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum pipe pipe = crtc->pipe;
 
-- 
2.26.2

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[Intel-gfx] [PATCH v2 3/8] drm/i915: Introduce intel_dbuf_slice_size()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Put the code into a function with a descriptive name. Also relocate
the code a bit help future work.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 36 +++++++++++++++++++--------------
 drivers/gpu/drm/i915/intel_pm.h |  1 -
 2 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 4f60adf9d39b..100ec37ec483 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4017,6 +4017,24 @@ static int intel_compute_sagv_mask(struct intel_atomic_state *state)
 	return 0;
 }
 
+static int intel_dbuf_size(struct drm_i915_private *dev_priv)
+{
+	int ddb_size = INTEL_INFO(dev_priv)->ddb_size;
+
+	drm_WARN_ON(&dev_priv->drm, ddb_size == 0);
+
+	if (INTEL_GEN(dev_priv) < 11)
+		return ddb_size - 4; /* 4 blocks for bypass path allocation */
+
+	return ddb_size;
+}
+
+static int intel_dbuf_slice_size(struct drm_i915_private *dev_priv)
+{
+	return intel_dbuf_size(dev_priv) /
+		INTEL_INFO(dev_priv)->num_supported_dbuf_slices;
+}
+
 /*
  * Calculate initial DBuf slice offset, based on slice size
  * and mask(i.e if slice size is 1024 and second slice is enabled
@@ -4038,22 +4056,11 @@ icl_get_first_dbuf_slice_offset(u32 dbuf_slice_mask,
 	return offset;
 }
 
-u16 intel_get_ddb_size(struct drm_i915_private *dev_priv)
-{
-	u16 ddb_size = INTEL_INFO(dev_priv)->ddb_size;
-	drm_WARN_ON(&dev_priv->drm, ddb_size == 0);
-
-	if (INTEL_GEN(dev_priv) < 11)
-		return ddb_size - 4; /* 4 blocks for bypass path allocation */
-
-	return ddb_size;
-}
-
 u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *dev_priv,
 			    const struct skl_ddb_entry *entry)
 {
 	u32 slice_mask = 0;
-	u16 ddb_size = intel_get_ddb_size(dev_priv);
+	u16 ddb_size = intel_dbuf_size(dev_priv);
 	u16 num_supported_slices = INTEL_INFO(dev_priv)->num_supported_dbuf_slices;
 	u16 slice_size = ddb_size / num_supported_slices;
 	u16 start_slice;
@@ -4134,9 +4141,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 		return 0;
 	}
 
-	ddb_size = intel_get_ddb_size(dev_priv);
-
-	slice_size = ddb_size / INTEL_INFO(dev_priv)->num_supported_dbuf_slices;
+	ddb_size = intel_dbuf_size(dev_priv);
+	slice_size = intel_dbuf_slice_size(dev_priv);
 
 	/*
 	 * If the state doesn't change the active CRTC's or there is no
diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h
index eab83e251dd5..00910bc01407 100644
--- a/drivers/gpu/drm/i915/intel_pm.h
+++ b/drivers/gpu/drm/i915/intel_pm.h
@@ -40,7 +40,6 @@ void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc,
 			       struct skl_ddb_entry *ddb_y,
 			       struct skl_ddb_entry *ddb_uv);
 void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv);
-u16 intel_get_ddb_size(struct drm_i915_private *dev_priv);
 u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *dev_priv,
 			    const struct skl_ddb_entry *entry);
 void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
-- 
2.26.2

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[Intel-gfx] [PATCH v2 4/8] drm/i915: Introduce skl_ddb_entry_for_slices()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Generalize icl_get_first_dbuf_slice_offset() into something that
just gives us the start+end of the dbuf chunk covered by the
specified slices as a standard ddb entry. Initial idea was to use
it during readout as well, but we shall see.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 55 +++++++++++----------------------
 1 file changed, 18 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 100ec37ec483..4eb2d36ed108 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4035,25 +4035,23 @@ static int intel_dbuf_slice_size(struct drm_i915_private *dev_priv)
 		INTEL_INFO(dev_priv)->num_supported_dbuf_slices;
 }
 
-/*
- * Calculate initial DBuf slice offset, based on slice size
- * and mask(i.e if slice size is 1024 and second slice is enabled
- * offset would be 1024)
- */
-static unsigned int
-icl_get_first_dbuf_slice_offset(u32 dbuf_slice_mask,
-				u32 slice_size,
-				u32 ddb_size)
+static void
+skl_ddb_entry_for_slices(struct drm_i915_private *dev_priv, u8 slice_mask,
+			 struct skl_ddb_entry *ddb)
 {
-	unsigned int offset = 0;
+	int slice_size = intel_dbuf_slice_size(dev_priv);
 
-	if (!dbuf_slice_mask)
-		return 0;
+	if (!slice_mask) {
+		ddb->start = 0;
+		ddb->end = 0;
+		return;
+	}
 
-	offset = (ffs(dbuf_slice_mask) - 1) * slice_size;
+	ddb->start = (ffs(slice_mask) - 1) * slice_size;
+	ddb->end = fls(slice_mask) * slice_size;
 
-	WARN_ON(offset >= ddb_size);
-	return offset;
+	WARN_ON(ddb->start >= ddb->end);
+	WARN_ON(ddb->end > intel_dbuf_size(dev_priv));
 }
 
 u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *dev_priv,
@@ -4123,12 +4121,10 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 	const struct intel_dbuf_state *old_dbuf_state =
 		intel_atomic_get_old_dbuf_state(intel_state);
 	u8 active_pipes = new_dbuf_state->active_pipes;
-	u16 ddb_size;
+	struct skl_ddb_entry ddb_slices;
 	u32 ddb_range_size;
 	u32 i;
 	u32 dbuf_slice_mask;
-	u32 offset;
-	u32 slice_size;
 	u32 total_slice_mask;
 	u32 start, end;
 	int ret;
@@ -4141,9 +4137,6 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 		return 0;
 	}
 
-	ddb_size = intel_dbuf_size(dev_priv);
-	slice_size = intel_dbuf_slice_size(dev_priv);
-
 	/*
 	 * If the state doesn't change the active CRTC's or there is no
 	 * modeset request, then there's no need to recalculate;
@@ -4169,20 +4162,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 	 */
 	dbuf_slice_mask = skl_compute_dbuf_slices(for_crtc, active_pipes);
 
-	/*
-	 * Figure out at which DBuf slice we start, i.e if we start at Dbuf S2
-	 * and slice size is 1024, the offset would be 1024
-	 */
-	offset = icl_get_first_dbuf_slice_offset(dbuf_slice_mask,
-						 slice_size, ddb_size);
-
-	/*
-	 * Figure out total size of allowed DBuf slices, which is basically
-	 * a number of allowed slices for that pipe multiplied by slice size.
-	 * Inside of this
-	 * range ddb entries are still allocated in proportion to display width.
-	 */
-	ddb_range_size = hweight8(dbuf_slice_mask) * slice_size;
+	skl_ddb_entry_for_slices(dev_priv, dbuf_slice_mask, &ddb_slices);
+	ddb_range_size = skl_ddb_entry_size(&ddb_slices);
 
 	total_slice_mask = dbuf_slice_mask;
 	for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) {
@@ -4239,8 +4220,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 	start = ddb_range_size * weight_before_pipe / total_weight;
 	end = ddb_range_size * (weight_before_pipe + pipe_weight) / total_weight;
 
-	alloc->start = offset + start;
-	alloc->end = offset + end;
+	alloc->start = ddb_slices.start + start;
+	alloc->end = ddb_slices.start + end;
 
 	drm_dbg_kms(&dev_priv->drm,
 		    "[CRTC:%d:%s] dbuf slices 0x%x, ddb (%d - %d), active pipes 0x%x\n",
-- 
2.26.2

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[Intel-gfx] [PATCH v2 5/8] drm/i915: Move pipe ddb entries into the dbuf state

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

The dbuf state will be where we collect all the inter-pipe dbuf
allocation stuff. Start by moving the actual per-pipe ddb entries
there.

v2: Rebase

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c  | 21 ++++++++++++-------
 .../drm/i915/display/intel_display_types.h    |  1 -
 drivers/gpu/drm/i915/intel_pm.c               | 14 ++++---------
 drivers/gpu/drm/i915/intel_pm.h               |  4 ++++
 4 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index b73bbe2383d0..1e4006535d31 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -12925,6 +12925,10 @@ static void intel_commit_modeset_enables(struct intel_atomic_state *state)
 static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	const struct intel_dbuf_state *old_dbuf_state =
+		intel_atomic_get_old_dbuf_state(state);
+	const struct intel_dbuf_state *new_dbuf_state =
+		intel_atomic_get_new_dbuf_state(state);
 	struct intel_crtc *crtc;
 	struct intel_crtc_state *old_crtc_state, *new_crtc_state;
 	struct skl_ddb_entry entries[I915_MAX_PIPES] = {};
@@ -12939,7 +12943,7 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 
 		/* ignore allocations for crtc's that have been turned off. */
 		if (!intel_crtc_needs_modeset(new_crtc_state)) {
-			entries[pipe] = old_crtc_state->wm.skl.ddb;
+			entries[pipe] = old_dbuf_state->ddb[pipe];
 			update_pipes |= BIT(pipe);
 		} else {
 			modeset_pipes |= BIT(pipe);
@@ -12963,11 +12967,11 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 			if ((update_pipes & BIT(pipe)) == 0)
 				continue;
 
-			if (skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
+			if (skl_ddb_allocation_overlaps(&new_dbuf_state->ddb[pipe],
 							entries, I915_MAX_PIPES, pipe))
 				continue;
 
-			entries[pipe] = new_crtc_state->wm.skl.ddb;
+			entries[pipe] = new_dbuf_state->ddb[pipe];
 			update_pipes &= ~BIT(pipe);
 
 			intel_update_crtc(state, crtc);
@@ -12978,8 +12982,8 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 			 * then we need to wait for a vblank to pass for the
 			 * new ddb allocation to take effect.
 			 */
-			if (!skl_ddb_entry_equal(&new_crtc_state->wm.skl.ddb,
-						 &old_crtc_state->wm.skl.ddb) &&
+			if (!skl_ddb_entry_equal(&new_dbuf_state->ddb[pipe],
+						 &old_dbuf_state->ddb[pipe]) &&
 			    (update_pipes | modeset_pipes))
 				intel_wait_for_vblank(dev_priv, pipe);
 		}
@@ -13031,10 +13035,11 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 		if ((update_pipes & BIT(pipe)) == 0)
 			continue;
 
-		drm_WARN_ON(&dev_priv->drm, skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
-									entries, I915_MAX_PIPES, pipe));
+		drm_WARN_ON(&dev_priv->drm,
+			    skl_ddb_allocation_overlaps(&new_dbuf_state->ddb[pipe],
+							entries, I915_MAX_PIPES, pipe));
 
-		entries[pipe] = new_crtc_state->wm.skl.ddb;
+		entries[pipe] = new_dbuf_state->ddb[pipe];
 		update_pipes &= ~BIT(pipe);
 
 		intel_update_crtc(state, crtc);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 1a9243426a25..dce32cf436ff 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -796,7 +796,6 @@ struct intel_crtc_wm_state {
 			struct skl_pipe_wm raw;
 			/* gen9+ only needs 1-step wm programming */
 			struct skl_pipe_wm optimal;
-			struct skl_ddb_entry ddb;
 			struct skl_ddb_entry plane_ddb_y[I915_MAX_PLANES];
 			struct skl_ddb_entry plane_ddb_uv[I915_MAX_PLANES];
 		} skl;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 4eb2d36ed108..555d8f058f1f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4146,16 +4146,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 	 * grab _all_ crtc locks, including the one we currently hold.
 	 */
 	if (old_dbuf_state->active_pipes == new_dbuf_state->active_pipes &&
-	    !dev_priv->wm.distrust_bios_wm) {
-		/*
-		 * alloc may be cleared by clear_intel_crtc_state,
-		 * copy from old state to be sure
-		 *
-		 * FIXME get rid of this mess
-		 */
-		*alloc = to_intel_crtc_state(for_crtc->base.state)->wm.skl.ddb;
+	    !dev_priv->wm.distrust_bios_wm)
 		return 0;
-	}
 
 	/*
 	 * Get allowed DBuf slices for correspondent pipe and platform.
@@ -4798,7 +4790,9 @@ skl_allocate_pipe_ddb(struct intel_atomic_state *state,
 	struct intel_crtc_state *crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	struct skl_ddb_entry *alloc = &crtc_state->wm.skl.ddb;
+	struct intel_dbuf_state *dbuf_state =
+		intel_atomic_get_new_dbuf_state(state);
+	struct skl_ddb_entry *alloc = &dbuf_state->ddb[crtc->pipe];
 	u16 alloc_size, start = 0;
 	u16 total[I915_MAX_PLANES] = {};
 	u16 uv_total[I915_MAX_PLANES] = {};
diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h
index 00910bc01407..724204bb8442 100644
--- a/drivers/gpu/drm/i915/intel_pm.h
+++ b/drivers/gpu/drm/i915/intel_pm.h
@@ -9,8 +9,10 @@
 #include <linux/types.h>
 
 #include "display/intel_bw.h"
+#include "display/intel_display.h"
 #include "display/intel_global_state.h"
 
+#include "i915_drv.h"
 #include "i915_reg.h"
 
 struct drm_device;
@@ -68,6 +70,8 @@ bool intel_set_memory_cxsr(struct drm_i915_private *dev_priv, bool enable);
 struct intel_dbuf_state {
 	struct intel_global_state base;
 
+	struct skl_ddb_entry ddb[I915_MAX_PIPES];
+
 	u8 enabled_slices;
 	u8 active_pipes;
 };
-- 
2.26.2

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[Intel-gfx] [PATCH v2 6/8] drm/i915: Extract intel_crtc_dbuf_weights()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Extract the code to calculate the weights used to chunk up the dbuf
between pipes. There's still extra stuff in there that shouldn't be
there and must be moved out, but that requires a bit more state to
be tracked in the dbuf state.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 145 ++++++++++++++++++++------------
 1 file changed, 89 insertions(+), 56 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 555d8f058f1f..00a1d23663b9 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4103,62 +4103,35 @@ static unsigned int intel_crtc_ddb_weight(const struct intel_crtc_state *crtc_st
 static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc,
 				  u8 active_pipes);
 
-static int
-skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
-				   const struct intel_crtc_state *crtc_state,
-				   const u64 total_data_rate,
-				   struct skl_ddb_entry *alloc, /* out */
-				   int *num_active /* out */)
+static int intel_crtc_dbuf_weights(struct intel_atomic_state *state,
+				   struct intel_crtc *for_crtc,
+				   unsigned int *weight_start,
+				   unsigned int *weight_end,
+				   unsigned int *weight_total)
 {
-	struct drm_atomic_state *state = crtc_state->uapi.state;
-	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-	struct intel_crtc *for_crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_crtc *crtc;
-	unsigned int pipe_weight = 0, total_weight = 0, weight_before_pipe = 0;
+	const struct intel_dbuf_state *old_dbuf_state =
+		intel_atomic_get_old_dbuf_state(state);
+	struct intel_dbuf_state *new_dbuf_state =
+		intel_atomic_get_new_dbuf_state(state);
+	u8 active_pipes = new_dbuf_state->active_pipes;
 	enum pipe for_pipe = for_crtc->pipe;
-	struct intel_dbuf_state *new_dbuf_state =
-		intel_atomic_get_new_dbuf_state(intel_state);
-	const struct intel_dbuf_state *old_dbuf_state =
-		intel_atomic_get_old_dbuf_state(intel_state);
-	u8 active_pipes = new_dbuf_state->active_pipes;
-	struct skl_ddb_entry ddb_slices;
-	u32 ddb_range_size;
-	u32 i;
-	u32 dbuf_slice_mask;
-	u32 total_slice_mask;
-	u32 start, end;
-	int ret;
-
-	*num_active = hweight8(active_pipes);
-
-	if (!crtc_state->hw.active) {
-		alloc->start = 0;
-		alloc->end = 0;
-		return 0;
-	}
-
-	/*
-	 * If the state doesn't change the active CRTC's or there is no
-	 * modeset request, then there's no need to recalculate;
-	 * the existing pipe allocation limits should remain unchanged.
-	 * Note that we're safe from racing commits since any racing commit
-	 * that changes the active CRTC list or do modeset would need to
-	 * grab _all_ crtc locks, including the one we currently hold.
-	 */
-	if (old_dbuf_state->active_pipes == new_dbuf_state->active_pipes &&
-	    !dev_priv->wm.distrust_bios_wm)
-		return 0;
+	const struct intel_crtc_state *crtc_state;
+	struct intel_crtc *crtc;
+	u8 dbuf_slice_mask;
+	u8 total_slice_mask;
+	int i, ret;
 
 	/*
 	 * Get allowed DBuf slices for correspondent pipe and platform.
 	 */
 	dbuf_slice_mask = skl_compute_dbuf_slices(for_crtc, active_pipes);
-
-	skl_ddb_entry_for_slices(dev_priv, dbuf_slice_mask, &ddb_slices);
-	ddb_range_size = skl_ddb_entry_size(&ddb_slices);
-
 	total_slice_mask = dbuf_slice_mask;
-	for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) {
+
+	*weight_start = 0;
+	*weight_end = 0;
+	*weight_total = 0;
+
+	for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
 		enum pipe pipe = crtc->pipe;
 		unsigned int weight;
 		u8 pipe_dbuf_slice_mask;
@@ -4189,12 +4162,14 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 			continue;
 
 		weight = intel_crtc_ddb_weight(crtc_state);
-		total_weight += weight;
+		*weight_total += weight;
 
-		if (pipe < for_pipe)
-			weight_before_pipe += weight;
-		else if (pipe == for_pipe)
-			pipe_weight = weight;
+		if (pipe < for_pipe) {
+			*weight_start += weight;
+			*weight_end += weight;
+		} else if (pipe == for_pipe) {
+			*weight_end += weight;
+		}
 	}
 
 	/*
@@ -4209,15 +4184,73 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
 			return ret;
 	}
 
-	start = ddb_range_size * weight_before_pipe / total_weight;
-	end = ddb_range_size * (weight_before_pipe + pipe_weight) / total_weight;
+	return 0;
+}
+
+static int
+skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
+				   const struct intel_crtc_state *crtc_state,
+				   const u64 total_data_rate,
+				   struct skl_ddb_entry *alloc, /* out */
+				   int *num_active /* out */)
+{
+	struct intel_atomic_state *state =
+		to_intel_atomic_state(crtc_state->uapi.state);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	unsigned int weight_start, weight_end, weight_total;
+	const struct intel_dbuf_state *old_dbuf_state =
+		intel_atomic_get_old_dbuf_state(state);
+	struct intel_dbuf_state *new_dbuf_state =
+		intel_atomic_get_new_dbuf_state(state);
+	u8 active_pipes = new_dbuf_state->active_pipes;
+	struct skl_ddb_entry ddb_slices;
+	u32 ddb_range_size;
+	u32 dbuf_slice_mask;
+	u32 start, end;
+	int ret;
+
+	*num_active = hweight8(active_pipes);
+
+	if (!crtc_state->hw.active) {
+		alloc->start = 0;
+		alloc->end = 0;
+		return 0;
+	}
+
+	/*
+	 * If the state doesn't change the active CRTC's or there is no
+	 * modeset request, then there's no need to recalculate;
+	 * the existing pipe allocation limits should remain unchanged.
+	 * Note that we're safe from racing commits since any racing commit
+	 * that changes the active CRTC list or do modeset would need to
+	 * grab _all_ crtc locks, including the one we currently hold.
+	 */
+	if (old_dbuf_state->active_pipes == new_dbuf_state->active_pipes &&
+	    !dev_priv->wm.distrust_bios_wm)
+		return 0;
+
+	/*
+	 * Get allowed DBuf slices for correspondent pipe and platform.
+	 */
+	dbuf_slice_mask = skl_compute_dbuf_slices(crtc, active_pipes);
+
+	skl_ddb_entry_for_slices(dev_priv, dbuf_slice_mask, &ddb_slices);
+	ddb_range_size = skl_ddb_entry_size(&ddb_slices);
+
+	ret = intel_crtc_dbuf_weights(state, crtc,
+				      &weight_start, &weight_end, &weight_total);
+	if (ret)
+		return ret;
+
+	start = ddb_range_size * weight_start / weight_total;
+	end = ddb_range_size * weight_end / weight_total;
 
 	alloc->start = ddb_slices.start + start;
 	alloc->end = ddb_slices.start + end;
 
 	drm_dbg_kms(&dev_priv->drm,
 		    "[CRTC:%d:%s] dbuf slices 0x%x, ddb (%d - %d), active pipes 0x%x\n",
-		    for_crtc->base.base.id, for_crtc->base.name,
+		    crtc->base.base.id, crtc->base.name,
 		    dbuf_slice_mask, alloc->start, alloc->end, active_pipes);
 
 	return 0;
-- 
2.26.2

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[Intel-gfx] [PATCH v2 7/8] drm/i915: Encapsulate dbuf state handling harder

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

In order to make the dbuf state computation less fragile
let's make it stand on its own feet by not requiring someone
to peek into a crystall ball ahead of time to figure out
which pipes need to be added to the state under which potential
future conditions. Instead we compute each piece of the state
as we go along, and if any fallout occurs that affects more than
the current set of pipes we add the affected pipes to the state
naturally.

That requires that we track a few extra thigns in the global
dbuf state: dbuf slices for each pipe, and the weight each
pipe has when distributing the same set of slice(s) between
multiple pipes. Easy enough.

We do need to follow a somewhat careful sequence of computations
though as there are several steps involved in cooking up the dbuf
state. Thoguh we could avoid some of that by computing more things
on demand instead of relying on earlier step of the algorithm to
have filled it out. I think the end result is still reasonable
as the entire sequence is pretty much consolidated into a single
function instead of being spread around all over.

The rough sequence is this:
1. calculate active_pipes
2. calculate dbuf slices for every pipe
3. calculate total enabled slices
4. calculate new dbuf weights for any crtc in the state
5. calculate new ddb entry for every pipe based on the sets of
   slices and weights, and add any affected crtc to the state
6. calculate new plane ddb entries for all crtcs in the state,
   and add any affected plane to the state so that we'll perform
   the requisite hw reprogramming

And as a nice bonus we get to throw dev_priv->wm.distrust_bios_wm
out the window.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c  |  15 -
 .../drm/i915/display/intel_display_debugfs.c  |   1 -
 drivers/gpu/drm/i915/i915_drv.h               |   9 -
 drivers/gpu/drm/i915/intel_pm.c               | 377 +++++++-----------
 drivers/gpu/drm/i915/intel_pm.h               |   2 +
 5 files changed, 137 insertions(+), 267 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 1e4006535d31..776929220d8c 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -12548,20 +12548,6 @@ static int intel_atomic_check(struct drm_device *dev,
 	if (ret)
 		goto fail;
 
-	/*
-	 * distrust_bios_wm will force a full dbuf recomputation
-	 * but the hardware state will only get updated accordingly
-	 * if state->modeset==true. Hence distrust_bios_wm==true &&
-	 * state->modeset==false is an invalid combination which
-	 * would cause the hardware and software dbuf state to get
-	 * out of sync. We must prevent that.
-	 *
-	 * FIXME clean up this mess and introduce better
-	 * state tracking for dbuf.
-	 */
-	if (dev_priv->wm.distrust_bios_wm)
-		any_ms = true;
-
 	intel_fbc_choose_crtc(dev_priv, state);
 	ret = calc_watermark_data(state);
 	if (ret)
@@ -13412,7 +13398,6 @@ static int intel_atomic_commit(struct drm_device *dev,
 		intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref);
 		return ret;
 	}
-	dev_priv->wm.distrust_bios_wm = false;
 	intel_shared_dpll_swap_state(state);
 	intel_atomic_track_fbs(state);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 885d2d3c91a3..d62b18d5ecd8 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1139,7 +1139,6 @@ static ssize_t i915_ipc_status_write(struct file *file, const char __user *ubuf,
 		if (!dev_priv->ipc_enabled && enable)
 			drm_info(&dev_priv->drm,
 				 "Enabling IPC: WM will be proper only after next commit\n");
-		dev_priv->wm.distrust_bios_wm = true;
 		dev_priv->ipc_enabled = enable;
 		intel_enable_ipc(dev_priv);
 	}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f0222de2d216..3ce8b296e5b0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1122,15 +1122,6 @@ struct drm_i915_private {
 		 * crtc_state->wm.need_postvbl_update.
 		 */
 		struct mutex wm_mutex;
-
-		/*
-		 * Set during HW readout of watermarks/DDB.  Some platforms
-		 * need to know when we're still using BIOS-provided values
-		 * (which we don't fully trust).
-		 *
-		 * FIXME get rid of this.
-		 */
-		bool distrust_bios_wm;
 	} wm;
 
 	struct dram_info {
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 00a1d23663b9..e7c2910e8d87 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4100,56 +4100,22 @@ static unsigned int intel_crtc_ddb_weight(const struct intel_crtc_state *crtc_st
 	return hdisplay;
 }
 
-static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc,
-				  u8 active_pipes);
-
-static int intel_crtc_dbuf_weights(struct intel_atomic_state *state,
-				   struct intel_crtc *for_crtc,
-				   unsigned int *weight_start,
-				   unsigned int *weight_end,
-				   unsigned int *weight_total)
+static void intel_crtc_dbuf_weights(const struct intel_dbuf_state *dbuf_state,
+				    enum pipe for_pipe,
+				    unsigned int *weight_start,
+				    unsigned int *weight_end,
+				    unsigned int *weight_total)
 {
-	const struct intel_dbuf_state *old_dbuf_state =
-		intel_atomic_get_old_dbuf_state(state);
-	struct intel_dbuf_state *new_dbuf_state =
-		intel_atomic_get_new_dbuf_state(state);
-	u8 active_pipes = new_dbuf_state->active_pipes;
-	enum pipe for_pipe = for_crtc->pipe;
-	const struct intel_crtc_state *crtc_state;
-	struct intel_crtc *crtc;
-	u8 dbuf_slice_mask;
-	u8 total_slice_mask;
-	int i, ret;
-
-	/*
-	 * Get allowed DBuf slices for correspondent pipe and platform.
-	 */
-	dbuf_slice_mask = skl_compute_dbuf_slices(for_crtc, active_pipes);
-	total_slice_mask = dbuf_slice_mask;
+	struct drm_i915_private *dev_priv =
+		to_i915(dbuf_state->base.state->base.dev);
+	enum pipe pipe;
 
 	*weight_start = 0;
 	*weight_end = 0;
 	*weight_total = 0;
 
-	for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
-		enum pipe pipe = crtc->pipe;
-		unsigned int weight;
-		u8 pipe_dbuf_slice_mask;
-
-		if (!crtc_state->hw.active)
-			continue;
-
-		pipe_dbuf_slice_mask =
-			skl_compute_dbuf_slices(crtc, active_pipes);
-
-		/*
-		 * According to BSpec pipe can share one dbuf slice with another
-		 * pipes or pipe can use multiple dbufs, in both cases we
-		 * account for other pipes only if they have exactly same mask.
-		 * However we need to account how many slices we should enable
-		 * in total.
-		 */
-		total_slice_mask |= pipe_dbuf_slice_mask;
+	for_each_pipe(dev_priv, pipe) {
+		int weight = dbuf_state->weight[pipe];
 
 		/*
 		 * Do not account pipes using other slice sets
@@ -4158,12 +4124,10 @@ static int intel_crtc_dbuf_weights(struct intel_atomic_state *state,
 		 * i.e no partial intersection), so it is enough to check for
 		 * equality for now.
 		 */
-		if (dbuf_slice_mask != pipe_dbuf_slice_mask)
+		if (dbuf_state->slices[pipe] != dbuf_state->slices[for_pipe])
 			continue;
 
-		weight = intel_crtc_ddb_weight(crtc_state);
 		*weight_total += weight;
-
 		if (pipe < for_pipe) {
 			*weight_start += weight;
 			*weight_end += weight;
@@ -4171,87 +4135,65 @@ static int intel_crtc_dbuf_weights(struct intel_atomic_state *state,
 			*weight_end += weight;
 		}
 	}
-
-	/*
-	 * FIXME: For now we always enable slice S1 as per
-	 * the Bspec display initialization sequence.
-	 */
-	new_dbuf_state->enabled_slices = total_slice_mask | BIT(DBUF_S1);
-
-	if (old_dbuf_state->enabled_slices != new_dbuf_state->enabled_slices) {
-		ret = intel_atomic_serialize_global_state(&new_dbuf_state->base);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
 }
 
 static int
-skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
-				   const struct intel_crtc_state *crtc_state,
-				   const u64 total_data_rate,
-				   struct skl_ddb_entry *alloc, /* out */
-				   int *num_active /* out */)
+skl_crtc_allocate_ddb(struct intel_atomic_state *state, struct intel_crtc *crtc)
 {
-	struct intel_atomic_state *state =
-		to_intel_atomic_state(crtc_state->uapi.state);
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	unsigned int weight_start, weight_end, weight_total;
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	unsigned int weight_total, weight_start, weight_end;
 	const struct intel_dbuf_state *old_dbuf_state =
 		intel_atomic_get_old_dbuf_state(state);
 	struct intel_dbuf_state *new_dbuf_state =
 		intel_atomic_get_new_dbuf_state(state);
-	u8 active_pipes = new_dbuf_state->active_pipes;
+	struct intel_crtc_state *crtc_state;
 	struct skl_ddb_entry ddb_slices;
+	enum pipe pipe = crtc->pipe;
 	u32 ddb_range_size;
 	u32 dbuf_slice_mask;
 	u32 start, end;
 	int ret;
 
-	*num_active = hweight8(active_pipes);
-
-	if (!crtc_state->hw.active) {
-		alloc->start = 0;
-		alloc->end = 0;
-		return 0;
+	if (new_dbuf_state->weight[pipe] == 0) {
+		new_dbuf_state->ddb[pipe].start = 0;
+		new_dbuf_state->ddb[pipe].end = 0;
+		goto out;
 	}
 
-	/*
-	 * If the state doesn't change the active CRTC's or there is no
-	 * modeset request, then there's no need to recalculate;
-	 * the existing pipe allocation limits should remain unchanged.
-	 * Note that we're safe from racing commits since any racing commit
-	 * that changes the active CRTC list or do modeset would need to
-	 * grab _all_ crtc locks, including the one we currently hold.
-	 */
-	if (old_dbuf_state->active_pipes == new_dbuf_state->active_pipes &&
-	    !dev_priv->wm.distrust_bios_wm)
-		return 0;
-
-	/*
-	 * Get allowed DBuf slices for correspondent pipe and platform.
-	 */
-	dbuf_slice_mask = skl_compute_dbuf_slices(crtc, active_pipes);
+	dbuf_slice_mask = new_dbuf_state->slices[pipe];
 
 	skl_ddb_entry_for_slices(dev_priv, dbuf_slice_mask, &ddb_slices);
 	ddb_range_size = skl_ddb_entry_size(&ddb_slices);
 
-	ret = intel_crtc_dbuf_weights(state, crtc,
-				      &weight_start, &weight_end, &weight_total);
-	if (ret)
-		return ret;
+	intel_crtc_dbuf_weights(new_dbuf_state, pipe,
+				&weight_start, &weight_end, &weight_total);
 
 	start = ddb_range_size * weight_start / weight_total;
 	end = ddb_range_size * weight_end / weight_total;
 
-	alloc->start = ddb_slices.start + start;
-	alloc->end = ddb_slices.start + end;
+	new_dbuf_state->ddb[pipe].start = ddb_slices.start + start;
+	new_dbuf_state->ddb[pipe].end = ddb_slices.start + end;
+
+out:
+	if (skl_ddb_entry_equal(&old_dbuf_state->ddb[pipe],
+				&new_dbuf_state->ddb[pipe]))
+		return 0;
+
+	ret = intel_atomic_lock_global_state(&new_dbuf_state->base);
+	if (ret)
+		return ret;
+
+	crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);
+	if (IS_ERR(crtc_state))
+		return PTR_ERR(crtc_state);
 
 	drm_dbg_kms(&dev_priv->drm,
-		    "[CRTC:%d:%s] dbuf slices 0x%x, ddb (%d - %d), active pipes 0x%x\n",
+		    "[CRTC:%d:%s] dbuf slices 0x%x -> 0x%x, ddb (%d - %d) -> (%d - %d), active pipes 0x%x -> 0x%x\n",
 		    crtc->base.base.id, crtc->base.name,
-		    dbuf_slice_mask, alloc->start, alloc->end, active_pipes);
+		    old_dbuf_state->slices[pipe], new_dbuf_state->slices[pipe],
+		    old_dbuf_state->ddb[pipe].start, old_dbuf_state->ddb[pipe].end,
+		    new_dbuf_state->ddb[pipe].start, new_dbuf_state->ddb[pipe].end,
+		    old_dbuf_state->active_pipes, new_dbuf_state->active_pipes);
 
 	return 0;
 }
@@ -4817,57 +4759,30 @@ skl_plane_wm_level(const struct intel_crtc_state *crtc_state,
 }
 
 static int
-skl_allocate_pipe_ddb(struct intel_atomic_state *state,
-		      struct intel_crtc *crtc)
+skl_allocate_plane_ddb(struct intel_atomic_state *state,
+		       struct intel_crtc *crtc)
 {
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct intel_crtc_state *crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	struct intel_dbuf_state *dbuf_state =
+	const struct intel_dbuf_state *dbuf_state =
 		intel_atomic_get_new_dbuf_state(state);
-	struct skl_ddb_entry *alloc = &dbuf_state->ddb[crtc->pipe];
+	const struct skl_ddb_entry *alloc = &dbuf_state->ddb[crtc->pipe];
+	int num_active = hweight8(dbuf_state->active_pipes);
 	u16 alloc_size, start = 0;
 	u16 total[I915_MAX_PLANES] = {};
 	u16 uv_total[I915_MAX_PLANES] = {};
 	u64 total_data_rate;
 	enum plane_id plane_id;
-	int num_active;
 	u32 blocks;
 	int level;
-	int ret;
 
 	/* Clear the partitioning for disabled planes. */
 	memset(crtc_state->wm.skl.plane_ddb_y, 0, sizeof(crtc_state->wm.skl.plane_ddb_y));
 	memset(crtc_state->wm.skl.plane_ddb_uv, 0, sizeof(crtc_state->wm.skl.plane_ddb_uv));
 
-	if (!crtc_state->hw.active) {
-		struct intel_atomic_state *state =
-			to_intel_atomic_state(crtc_state->uapi.state);
-		struct intel_dbuf_state *new_dbuf_state =
-			intel_atomic_get_new_dbuf_state(state);
-		const struct intel_dbuf_state *old_dbuf_state =
-			intel_atomic_get_old_dbuf_state(state);
-
-		/*
-		 * FIXME hack to make sure we compute this sensibly when
-		 * turning off all the pipes. Otherwise we leave it at
-		 * whatever we had previously, and then runtime PM will
-		 * mess it up by turning off all but S1. Remove this
-		 * once the dbuf state computation flow becomes sane.
-		 */
-		if (new_dbuf_state->active_pipes == 0) {
-			new_dbuf_state->enabled_slices = BIT(DBUF_S1);
-
-			if (old_dbuf_state->enabled_slices != new_dbuf_state->enabled_slices) {
-				ret = intel_atomic_serialize_global_state(&new_dbuf_state->base);
-				if (ret)
-					return ret;
-			}
-		}
-
-		alloc->start = alloc->end = 0;
+	if (!crtc_state->hw.active)
 		return 0;
-	}
 
 	if (INTEL_GEN(dev_priv) >= 11)
 		total_data_rate =
@@ -4876,12 +4791,6 @@ skl_allocate_pipe_ddb(struct intel_atomic_state *state,
 		total_data_rate =
 			skl_get_total_relative_data_rate(state, crtc);
 
-	ret = skl_ddb_get_pipe_allocation_limits(dev_priv, crtc_state,
-						 total_data_rate,
-						 alloc, &num_active);
-	if (ret)
-		return ret;
-
 	alloc_size = skl_ddb_entry_size(alloc);
 	if (alloc_size == 0)
 		return 0;
@@ -5796,39 +5705,114 @@ skl_ddb_add_affected_planes(const struct intel_crtc_state *old_crtc_state,
 	return 0;
 }
 
+static u8 intel_dbuf_enabled_slices(const struct intel_dbuf_state *dbuf_state)
+{
+	struct drm_i915_private *dev_priv = to_i915(dbuf_state->base.state->base.dev);
+	u8 enabled_slices;
+	enum pipe pipe;
+
+	/*
+	 * FIXME: For now we always enable slice S1 as per
+	 * the Bspec display initialization sequence.
+	 */
+	enabled_slices = BIT(DBUF_S1);
+
+	for_each_pipe(dev_priv, pipe)
+		enabled_slices |= dbuf_state->slices[pipe];
+
+	return enabled_slices;
+}
+
 static int
 skl_compute_ddb(struct intel_atomic_state *state)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
 	const struct intel_dbuf_state *old_dbuf_state;
-	const struct intel_dbuf_state *new_dbuf_state;
+	struct intel_dbuf_state *new_dbuf_state = NULL;
 	const struct intel_crtc_state *old_crtc_state;
 	struct intel_crtc_state *new_crtc_state;
 	struct intel_crtc *crtc;
 	int ret, i;
 
-	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
-					    new_crtc_state, i) {
-		ret = skl_allocate_pipe_ddb(state, crtc);
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
+		new_dbuf_state = intel_atomic_get_dbuf_state(state);
+		if (IS_ERR(new_dbuf_state))
+			return PTR_ERR(new_dbuf_state);
+
+		old_dbuf_state = intel_atomic_get_old_dbuf_state(state);
+		break;
+	}
+
+	if (!new_dbuf_state)
+		return 0;
+
+	new_dbuf_state->active_pipes =
+		intel_calc_active_pipes(state, old_dbuf_state->active_pipes);
+
+	if (old_dbuf_state->active_pipes != new_dbuf_state->active_pipes) {
+		ret = intel_atomic_lock_global_state(&new_dbuf_state->base);
 		if (ret)
 			return ret;
+	}
 
-		ret = skl_ddb_add_affected_planes(old_crtc_state,
-						  new_crtc_state);
+	for_each_intel_crtc(&dev_priv->drm, crtc) {
+		enum pipe pipe = crtc->pipe;
+
+		new_dbuf_state->slices[pipe] =
+			skl_compute_dbuf_slices(crtc, new_dbuf_state->active_pipes);
+
+		if (old_dbuf_state->slices[pipe] == new_dbuf_state->slices[pipe])
+			continue;
+
+		ret = intel_atomic_lock_global_state(&new_dbuf_state->base);
 		if (ret)
 			return ret;
 	}
 
-	old_dbuf_state = intel_atomic_get_old_dbuf_state(state);
-	new_dbuf_state = intel_atomic_get_new_dbuf_state(state);
+	new_dbuf_state->enabled_slices = intel_dbuf_enabled_slices(new_dbuf_state);
+
+	if (old_dbuf_state->enabled_slices != new_dbuf_state->enabled_slices) {
+		ret = intel_atomic_serialize_global_state(&new_dbuf_state->base);
+		if (ret)
+			return ret;
 
-	if (new_dbuf_state &&
-	    new_dbuf_state->enabled_slices != old_dbuf_state->enabled_slices)
 		drm_dbg_kms(&dev_priv->drm,
 			    "Enabled dbuf slices 0x%x -> 0x%x (out of %d dbuf slices)\n",
 			    old_dbuf_state->enabled_slices,
 			    new_dbuf_state->enabled_slices,
 			    INTEL_INFO(dev_priv)->num_supported_dbuf_slices);
+	}
+
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
+		enum pipe pipe = crtc->pipe;
+
+		new_dbuf_state->weight[pipe] = intel_crtc_ddb_weight(new_crtc_state);
+
+		if (old_dbuf_state->weight[pipe] == new_dbuf_state->weight[pipe])
+			continue;
+
+		ret = intel_atomic_lock_global_state(&new_dbuf_state->base);
+		if (ret)
+			return ret;
+	}
+
+	for_each_intel_crtc(&dev_priv->drm, crtc) {
+		ret = skl_crtc_allocate_ddb(state, crtc);
+		if (ret)
+			return ret;
+	}
+
+	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
+					    new_crtc_state, i) {
+		ret = skl_allocate_plane_ddb(state, crtc);
+		if (ret)
+			return ret;
+
+		ret = skl_ddb_add_affected_planes(old_crtc_state,
+						  new_crtc_state);
+		if (ret)
+			return ret;
+	}
 
 	return 0;
 }
@@ -5965,83 +5949,6 @@ skl_print_wm_changes(struct intel_atomic_state *state)
 	}
 }
 
-static int intel_add_affected_pipes(struct intel_atomic_state *state,
-				    u8 pipe_mask)
-{
-	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	struct intel_crtc *crtc;
-
-	for_each_intel_crtc(&dev_priv->drm, crtc) {
-		struct intel_crtc_state *crtc_state;
-
-		if ((pipe_mask & BIT(crtc->pipe)) == 0)
-			continue;
-
-		crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);
-		if (IS_ERR(crtc_state))
-			return PTR_ERR(crtc_state);
-	}
-
-	return 0;
-}
-
-static int
-skl_ddb_add_affected_pipes(struct intel_atomic_state *state)
-{
-	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	struct intel_crtc_state *crtc_state;
-	struct intel_crtc *crtc;
-	int i, ret;
-
-	if (dev_priv->wm.distrust_bios_wm) {
-		/*
-		 * skl_ddb_get_pipe_allocation_limits() currently requires
-		 * all active pipes to be included in the state so that
-		 * it can redistribute the dbuf among them, and it really
-		 * wants to recompute things when distrust_bios_wm is set
-		 * so we add all the pipes to the state.
-		 */
-		ret = intel_add_affected_pipes(state, ~0);
-		if (ret)
-			return ret;
-	}
-
-	for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
-		struct intel_dbuf_state *new_dbuf_state;
-		const struct intel_dbuf_state *old_dbuf_state;
-
-		new_dbuf_state = intel_atomic_get_dbuf_state(state);
-		if (IS_ERR(new_dbuf_state))
-			return PTR_ERR(new_dbuf_state);
-
-		old_dbuf_state = intel_atomic_get_old_dbuf_state(state);
-
-		new_dbuf_state->active_pipes =
-			intel_calc_active_pipes(state, old_dbuf_state->active_pipes);
-
-		if (old_dbuf_state->active_pipes == new_dbuf_state->active_pipes)
-			break;
-
-		ret = intel_atomic_lock_global_state(&new_dbuf_state->base);
-		if (ret)
-			return ret;
-
-		/*
-		 * skl_ddb_get_pipe_allocation_limits() currently requires
-		 * all active pipes to be included in the state so that
-		 * it can redistribute the dbuf among them.
-		 */
-		ret = intel_add_affected_pipes(state,
-					       new_dbuf_state->active_pipes);
-		if (ret)
-			return ret;
-
-		break;
-	}
-
-	return 0;
-}
-
 /*
  * To make sure the cursor watermark registers are always consistent
  * with our computed state the following scenario needs special
@@ -6109,15 +6016,6 @@ skl_compute_wm(struct intel_atomic_state *state)
 	struct intel_crtc_state *new_crtc_state;
 	int ret, i;
 
-	ret = skl_ddb_add_affected_pipes(state);
-	if (ret)
-		return ret;
-
-	/*
-	 * Calculate WM's for all pipes that are part of this transaction.
-	 * Note that skl_ddb_add_affected_pipes may have added more CRTC's that
-	 * weren't otherwise being modified if pipe allocations had to change.
-	 */
 	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
 		ret = skl_build_pipe_wm(state, crtc);
 		if (ret)
@@ -6285,11 +6183,6 @@ void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
 		skl_pipe_wm_get_hw_state(crtc, &crtc_state->wm.skl.optimal);
 		crtc_state->wm.skl.raw = crtc_state->wm.skl.optimal;
 	}
-
-	if (dev_priv->active_pipes) {
-		/* Fully recompute DDB on first atomic commit */
-		dev_priv->wm.distrust_bios_wm = true;
-	}
 }
 
 static void ilk_pipe_wm_get_hw_state(struct intel_crtc *crtc)
diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h
index 724204bb8442..97550cf0b6df 100644
--- a/drivers/gpu/drm/i915/intel_pm.h
+++ b/drivers/gpu/drm/i915/intel_pm.h
@@ -71,6 +71,8 @@ struct intel_dbuf_state {
 	struct intel_global_state base;
 
 	struct skl_ddb_entry ddb[I915_MAX_PIPES];
+	unsigned int weight[I915_MAX_PIPES];
+	u8 slices[I915_MAX_PIPES];
 
 	u8 enabled_slices;
 	u8 active_pipes;
-- 
2.26.2

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[Intel-gfx] [PATCH v2 8/8] drm/i915: Do a bit more initial readout for dbuf

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Readout the dbuf related stuff during driver init/resume and
stick it into our dbuf state.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c |  4 --
 drivers/gpu/drm/i915/intel_pm.c              | 48 +++++++++++++++++++-
 2 files changed, 46 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 776929220d8c..9ea5ad508599 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -14422,14 +14422,10 @@ void intel_modeset_init_hw(struct drm_i915_private *i915)
 {
 	struct intel_cdclk_state *cdclk_state =
 		to_intel_cdclk_state(i915->cdclk.obj.state);
-	struct intel_dbuf_state *dbuf_state =
-		to_intel_dbuf_state(i915->dbuf.obj.state);
 
 	intel_update_cdclk(i915);
 	intel_dump_cdclk_config(&i915->cdclk.hw, "Current CDCLK");
 	cdclk_state->logical = cdclk_state->actual = i915->cdclk.hw;
-
-	dbuf_state->enabled_slices = i915->dbuf.enabled_slices;
 }
 
 static int sanitize_watermarks_add_affected(struct drm_atomic_state *state)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e7c2910e8d87..a429e22a22ca 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5661,6 +5661,18 @@ static bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a,
 	return a->start < b->end && b->start < a->end;
 }
 
+static void skl_ddb_entry_union(struct skl_ddb_entry *a,
+				const struct skl_ddb_entry *b)
+{
+	if (a->end && b->end) {
+		a->start = min(a->start, b->start);
+		a->end = max(a->end, b->end);
+	} else if (b->end) {
+		a->start = b->start;
+		a->end = b->end;
+	}
+}
+
 bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
 				 const struct skl_ddb_entry *entries,
 				 int num_entries, int ignore_idx)
@@ -6174,15 +6186,47 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
 
 void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
 {
+	struct intel_dbuf_state *dbuf_state =
+		to_intel_dbuf_state(dev_priv->dbuf.obj.state);
 	struct intel_crtc *crtc;
-	struct intel_crtc_state *crtc_state;
 
 	for_each_intel_crtc(&dev_priv->drm, crtc) {
-		crtc_state = to_intel_crtc_state(crtc->base.state);
+		struct intel_crtc_state *crtc_state =
+			to_intel_crtc_state(crtc->base.state);
+		enum pipe pipe = crtc->pipe;
+		enum plane_id plane_id;
 
 		skl_pipe_wm_get_hw_state(crtc, &crtc_state->wm.skl.optimal);
 		crtc_state->wm.skl.raw = crtc_state->wm.skl.optimal;
+
+		memset(&dbuf_state->ddb[pipe], 0, sizeof(dbuf_state->ddb[pipe]));
+
+		for_each_plane_id_on_crtc(crtc, plane_id) {
+			struct skl_ddb_entry *ddb_y =
+				&crtc_state->wm.skl.plane_ddb_y[plane_id];
+			struct skl_ddb_entry *ddb_uv =
+				&crtc_state->wm.skl.plane_ddb_uv[plane_id];
+
+			skl_ddb_get_hw_plane_state(dev_priv, crtc->pipe,
+						   plane_id, ddb_y, ddb_uv);
+
+			skl_ddb_entry_union(&dbuf_state->ddb[pipe], ddb_y);
+			skl_ddb_entry_union(&dbuf_state->ddb[pipe], ddb_uv);
+		}
+
+		dbuf_state->slices[pipe] =
+			skl_compute_dbuf_slices(crtc, dbuf_state->active_pipes);
+
+		dbuf_state->weight[pipe] = intel_crtc_ddb_weight(crtc_state);
+
+		drm_dbg_kms(&dev_priv->drm,
+			    "[CRTC:%d:%s] dbuf slices 0x%x, ddb (%d - %d), active pipes 0x%x\n",
+			    crtc->base.base.id, crtc->base.name,
+			    dbuf_state->slices[pipe], dbuf_state->ddb[pipe].start,
+			    dbuf_state->ddb[pipe].end, dbuf_state->active_pipes);
 	}
+
+	dbuf_state->enabled_slices = dev_priv->dbuf.enabled_slices;
 }
 
 static void ilk_pipe_wm_get_hw_state(struct intel_crtc *crtc)
-- 
2.26.2

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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Remainder of dbuf state stuff (rev2)

[Patchwork]

== Series Details ==

Series: drm/i915: Remainder of dbuf state stuff (rev2)
URL   : https://patchwork.freedesktop.org/series/83114/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
53ec3d1a4afe drm/i915: Extract intel_crtc_ddb_weight()
db465d5905c9 drm/i915: Pass the crtc to skl_compute_dbuf_slices()
dfd548b2316c drm/i915: Introduce intel_dbuf_slice_size()
5d3f88f7bbfb drm/i915: Introduce skl_ddb_entry_for_slices()
b6a98cda3d0b drm/i915: Move pipe ddb entries into the dbuf state
bddcc4002334 drm/i915: Extract intel_crtc_dbuf_weights()
-:137: WARNING:LINE_SPACING: Missing a blank line after declarations
#137: FILE: drivers/gpu/drm/i915/intel_pm.c:4195:
+				   struct skl_ddb_entry *alloc, /* out */
+				   int *num_active /* out */)

total: 0 errors, 1 warnings, 0 checks, 176 lines checked
e011d05c8e25 drm/i915: Encapsulate dbuf state handling harder
d84666eef93a drm/i915: Do a bit more initial readout for dbuf


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[Intel-gfx] ✗ Fi.CI.SPARSE: warning for drm/i915: Remainder of dbuf state stuff (rev2)

[Patchwork]

== Series Details ==

Series: drm/i915: Remainder of dbuf state stuff (rev2)
URL   : https://patchwork.freedesktop.org/series/83114/
State : warning

== Summary ==

$ dim sparse --fast origin/drm-tip
Sparse version: v0.6.2
Fast mode used, each commit won't be checked separately.
-
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:27:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:27:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:27:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:32:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:32:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:49:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:49:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:49:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:56:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_engine_stats.h:56:9: warning: trying to copy expression type 31
+drivers/gpu/drm/i915/gt/intel_reset.c:1328:5: warning: context imbalance in 'intel_gt_reset_trylock' - different lock contexts for basic block
+drivers/gpu/drm/i915/gvt/mmio.c:295:23: warning: memcpy with byte count of 279040
+drivers/gpu/drm/i915/i915_perf.c:1450:15: warning: memset with byte count of 16777216
+drivers/gpu/drm/i915/i915_perf.c:1504:15: warning: memset with byte count of 16777216
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'fwtable_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen11_fwtable_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen12_fwtable_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read64' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_read8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen6_write8' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen8_write16' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen8_write32' - different lock contexts for basic block
+./include/linux/spinlock.h:409:9: warning: context imbalance in 'gen8_write8' - different lock contexts for basic block


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[Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Remainder of dbuf state stuff (rev2)

[Patchwork]

[-- Attachment #1.1: Type: text/plain, Size: 3257 bytes --]

== Series Details ==

Series: drm/i915: Remainder of dbuf state stuff (rev2)
URL   : https://patchwork.freedesktop.org/series/83114/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_9666 -> Patchwork_19450
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/index.html

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

  Here are the changes found in Patchwork_19450 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@amdgpu/amd_cs_nop@sync-gfx0:
    - fi-bsw-n3050:       NOTRUN -> [SKIP][1] ([fdo#109271]) +17 similar issues
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/fi-bsw-n3050/igt@amdgpu/amd_cs_nop@sync-gfx0.html

  * igt@i915_getparams_basic@basic-subslice-total:
    - fi-tgl-y:           [PASS][2] -> [DMESG-WARN][3] ([i915#402]) +1 similar issue
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/fi-tgl-y/igt@i915_getparams_basic@basic-subslice-total.html
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/fi-tgl-y/igt@i915_getparams_basic@basic-subslice-total.html

  
#### Possible fixes ####

  * igt@gem_tiled_blits@basic:
    - fi-tgl-y:           [DMESG-WARN][4] ([i915#402]) -> [PASS][5] +1 similar issue
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/fi-tgl-y/igt@gem_tiled_blits@basic.html
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/fi-tgl-y/igt@gem_tiled_blits@basic.html

  * igt@i915_selftest@live@execlists:
    - fi-bsw-n3050:       [INCOMPLETE][6] ([i915#2940]) -> [PASS][7]
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/fi-bsw-n3050/igt@i915_selftest@live@execlists.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/fi-bsw-n3050/igt@i915_selftest@live@execlists.html

  
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [i915#2940]: https://gitlab.freedesktop.org/drm/intel/issues/2940
  [i915#402]: https://gitlab.freedesktop.org/drm/intel/issues/402


Participating hosts (41 -> 35)
------------------------------

  Missing    (6): fi-ilk-m540 fi-hsw-4200u fi-byt-j1900 fi-glk-dsi fi-bsw-cyan fi-bdw-samus 


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

  * Linux: CI_DRM_9666 -> Patchwork_19450

  CI-20190529: 20190529
  CI_DRM_9666: 9ccbc653bf2948d1f7e9ff300dd7679b888ffa25 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5962: 22e3daaed82ab7890018a2f2aabf5082cd536023 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_19450: d84666eef93ac7e494ec45e508f79af3a11ccfd0 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

d84666eef93a drm/i915: Do a bit more initial readout for dbuf
e011d05c8e25 drm/i915: Encapsulate dbuf state handling harder
bddcc4002334 drm/i915: Extract intel_crtc_dbuf_weights()
b6a98cda3d0b drm/i915: Move pipe ddb entries into the dbuf state
5d3f88f7bbfb drm/i915: Introduce skl_ddb_entry_for_slices()
dfd548b2316c drm/i915: Introduce intel_dbuf_slice_size()
db465d5905c9 drm/i915: Pass the crtc to skl_compute_dbuf_slices()
53ec3d1a4afe drm/i915: Extract intel_crtc_ddb_weight()

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/index.html

[-- Attachment #1.2: Type: text/html, Size: 4059 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

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[Intel-gfx] ✗ Fi.CI.IGT: failure for drm/i915: Remainder of dbuf state stuff (rev2)

[Patchwork]

[-- Attachment #1.1: Type: text/plain, Size: 22902 bytes --]

== Series Details ==

Series: drm/i915: Remainder of dbuf state stuff (rev2)
URL   : https://patchwork.freedesktop.org/series/83114/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_9666_full -> Patchwork_19450_full
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_19450_full absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_19450_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_19450_full:

### IGT changes ###

#### Possible regressions ####

  * igt@gem_exec_schedule@u-fairslice@rcs0:
    - shard-apl:          [PASS][1] -> [DMESG-WARN][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-apl6/igt@gem_exec_schedule@u-fairslice@rcs0.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-apl2/igt@gem_exec_schedule@u-fairslice@rcs0.html

  * igt@i915_pm_rpm@modeset-non-lpsp:
    - shard-glk:          [PASS][3] -> [DMESG-WARN][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk1/igt@i915_pm_rpm@modeset-non-lpsp.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk8/igt@i915_pm_rpm@modeset-non-lpsp.html

  * igt@kms_vblank@pipe-c-ts-continuation-suspend:
    - shard-glk:          [PASS][5] -> [INCOMPLETE][6] +1 similar issue
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk2/igt@kms_vblank@pipe-c-ts-continuation-suspend.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk8/igt@kms_vblank@pipe-c-ts-continuation-suspend.html

  

### Piglit changes ###

#### Possible regressions ####

  * spec@ext_texture_array@fbo-depth-array depth-layered-clear (NEW):
    - pig-glk-j5005:      NOTRUN -> [INCOMPLETE][7] +3 similar issues
   [7]: None

  
New tests
---------

  New tests have been introduced between CI_DRM_9666_full and Patchwork_19450_full:

### New Piglit tests (4) ###

  * spec@ext_texture_array@fbo-depth-array depth-clear:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@ext_texture_array@fbo-depth-array depth-draw:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@ext_texture_array@fbo-depth-array depth-layered-clear:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@ext_texture_array@fbo-depth-array fs-writes-depth:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  

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

  Here are the changes found in Patchwork_19450_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_eio@in-flight-suspend:
    - shard-kbl:          [PASS][8] -> [INCOMPLETE][9] ([i915#1037])
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-kbl7/igt@gem_eio@in-flight-suspend.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-kbl6/igt@gem_eio@in-flight-suspend.html

  * igt@gem_exec_fair@basic-none-solo@rcs0:
    - shard-kbl:          [PASS][10] -> [FAIL][11] ([i915#2842]) +3 similar issues
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-kbl6/igt@gem_exec_fair@basic-none-solo@rcs0.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-kbl3/igt@gem_exec_fair@basic-none-solo@rcs0.html

  * igt@gem_exec_fair@basic-none@vcs1:
    - shard-iclb:         NOTRUN -> [FAIL][12] ([i915#2842])
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb2/igt@gem_exec_fair@basic-none@vcs1.html

  * igt@gem_exec_fair@basic-pace@vcs0:
    - shard-glk:          [PASS][13] -> [FAIL][14] ([i915#2842])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk4/igt@gem_exec_fair@basic-pace@vcs0.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk3/igt@gem_exec_fair@basic-pace@vcs0.html

  * igt@gem_exec_fair@basic-pace@vecs0:
    - shard-tglb:         [PASS][15] -> [FAIL][16] ([i915#2842]) +1 similar issue
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-tglb2/igt@gem_exec_fair@basic-pace@vecs0.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-tglb2/igt@gem_exec_fair@basic-pace@vecs0.html

  * igt@gem_exec_reloc@basic-wide-active@vcs1:
    - shard-iclb:         NOTRUN -> [FAIL][17] ([i915#2389])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb1/igt@gem_exec_reloc@basic-wide-active@vcs1.html

  * igt@i915_pm_dc@dc5-psr:
    - shard-skl:          NOTRUN -> [CRASH][18] ([i915#2212])
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl1/igt@i915_pm_dc@dc5-psr.html

  * igt@kms_async_flips@alternate-sync-async-flip:
    - shard-skl:          [PASS][19] -> [FAIL][20] ([i915#2521])
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl8/igt@kms_async_flips@alternate-sync-async-flip.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl4/igt@kms_async_flips@alternate-sync-async-flip.html

  * igt@kms_ccs@pipe-c-bad-pixel-format:
    - shard-skl:          NOTRUN -> [SKIP][21] ([fdo#109271] / [fdo#111304])
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl1/igt@kms_ccs@pipe-c-bad-pixel-format.html

  * igt@kms_chamelium@dp-edid-read:
    - shard-glk:          NOTRUN -> [SKIP][22] ([fdo#109271] / [fdo#111827]) +1 similar issue
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk5/igt@kms_chamelium@dp-edid-read.html

  * igt@kms_color_chamelium@pipe-c-degamma:
    - shard-skl:          NOTRUN -> [SKIP][23] ([fdo#109271] / [fdo#111827]) +4 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl1/igt@kms_color_chamelium@pipe-c-degamma.html

  * igt@kms_cursor_crc@pipe-a-cursor-128x128-random:
    - shard-skl:          [PASS][24] -> [FAIL][25] ([i915#54]) +4 similar issues
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl4/igt@kms_cursor_crc@pipe-a-cursor-128x128-random.html
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl5/igt@kms_cursor_crc@pipe-a-cursor-128x128-random.html

  * igt@kms_flip@flip-vs-expired-vblank-interruptible@a-edp1:
    - shard-tglb:         [PASS][26] -> [FAIL][27] ([i915#2598])
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-tglb2/igt@kms_flip@flip-vs-expired-vblank-interruptible@a-edp1.html
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-tglb5/igt@kms_flip@flip-vs-expired-vblank-interruptible@a-edp1.html

  * igt@kms_flip@flip-vs-expired-vblank-interruptible@c-hdmi-a1:
    - shard-glk:          [PASS][28] -> [FAIL][29] ([i915#79])
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk9/igt@kms_flip@flip-vs-expired-vblank-interruptible@c-hdmi-a1.html
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk6/igt@kms_flip@flip-vs-expired-vblank-interruptible@c-hdmi-a1.html

  * igt@kms_flip@plain-flip-ts-check-interruptible@b-edp1:
    - shard-skl:          [PASS][30] -> [FAIL][31] ([i915#2122]) +3 similar issues
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl2/igt@kms_flip@plain-flip-ts-check-interruptible@b-edp1.html
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl3/igt@kms_flip@plain-flip-ts-check-interruptible@b-edp1.html

  * igt@kms_frontbuffer_tracking@psr-2p-primscrn-cur-indfb-draw-mmap-gtt:
    - shard-glk:          NOTRUN -> [SKIP][32] ([fdo#109271]) +5 similar issues
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk5/igt@kms_frontbuffer_tracking@psr-2p-primscrn-cur-indfb-draw-mmap-gtt.html

  * igt@kms_frontbuffer_tracking@psr-suspend:
    - shard-skl:          NOTRUN -> [INCOMPLETE][33] ([i915#123])
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl2/igt@kms_frontbuffer_tracking@psr-suspend.html

  * igt@kms_plane_alpha_blend@pipe-a-alpha-opaque-fb:
    - shard-glk:          NOTRUN -> [FAIL][34] ([fdo#108145] / [i915#265])
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk5/igt@kms_plane_alpha_blend@pipe-a-alpha-opaque-fb.html

  * igt@kms_plane_alpha_blend@pipe-b-alpha-7efc:
    - shard-skl:          NOTRUN -> [FAIL][35] ([fdo#108145] / [i915#265])
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl7/igt@kms_plane_alpha_blend@pipe-b-alpha-7efc.html

  * igt@kms_plane_alpha_blend@pipe-b-coverage-7efc:
    - shard-skl:          [PASS][36] -> [FAIL][37] ([fdo#108145] / [i915#265])
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl4/igt@kms_plane_alpha_blend@pipe-b-coverage-7efc.html
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl1/igt@kms_plane_alpha_blend@pipe-b-coverage-7efc.html

  * igt@kms_plane_cursor@pipe-b-viewport-size-128:
    - shard-skl:          NOTRUN -> [SKIP][38] ([fdo#109271]) +40 similar issues
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl1/igt@kms_plane_cursor@pipe-b-viewport-size-128.html

  * igt@kms_psr@psr2_cursor_render:
    - shard-iclb:         [PASS][39] -> [SKIP][40] ([fdo#109441]) +2 similar issues
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb2/igt@kms_psr@psr2_cursor_render.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb5/igt@kms_psr@psr2_cursor_render.html

  * igt@perf@blocking:
    - shard-skl:          [PASS][41] -> [FAIL][42] ([i915#1542])
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl4/igt@perf@blocking.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl5/igt@perf@blocking.html

  
#### Possible fixes ####

  * igt@gem_exec_fair@basic-deadline:
    - shard-glk:          [FAIL][43] ([i915#2846]) -> [PASS][44]
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk6/igt@gem_exec_fair@basic-deadline.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk2/igt@gem_exec_fair@basic-deadline.html

  * igt@gem_exec_fair@basic-pace-solo@rcs0:
    - shard-glk:          [FAIL][45] ([i915#2842]) -> [PASS][46] +1 similar issue
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk8/igt@gem_exec_fair@basic-pace-solo@rcs0.html
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk9/igt@gem_exec_fair@basic-pace-solo@rcs0.html

  * igt@gem_exec_fair@basic-pace@vecs0:
    - shard-iclb:         [FAIL][47] ([i915#2842]) -> [PASS][48]
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb5/igt@gem_exec_fair@basic-pace@vecs0.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb3/igt@gem_exec_fair@basic-pace@vecs0.html

  * igt@gem_exec_fair@basic-throttle@rcs0:
    - shard-iclb:         [FAIL][49] ([i915#2849]) -> [PASS][50]
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb6/igt@gem_exec_fair@basic-throttle@rcs0.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb6/igt@gem_exec_fair@basic-throttle@rcs0.html

  * igt@gem_exec_schedule@u-fairslice@vecs0:
    - shard-skl:          [DMESG-WARN][51] ([i915#1610] / [i915#2803]) -> [PASS][52]
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl1/igt@gem_exec_schedule@u-fairslice@vecs0.html
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl1/igt@gem_exec_schedule@u-fairslice@vecs0.html

  * igt@gem_userptr_blits@huge-split:
    - shard-glk:          [INCOMPLETE][53] ([i915#2502]) -> [PASS][54]
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk7/igt@gem_userptr_blits@huge-split.html
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk5/igt@gem_userptr_blits@huge-split.html

  * igt@i915_pm_dc@dc6-psr:
    - shard-iclb:         [FAIL][55] ([i915#454]) -> [PASS][56]
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb4/igt@i915_pm_dc@dc6-psr.html
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb3/igt@i915_pm_dc@dc6-psr.html

  * igt@kms_async_flips@test-time-stamp:
    - shard-tglb:         [FAIL][57] ([i915#2597]) -> [PASS][58]
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-tglb5/igt@kms_async_flips@test-time-stamp.html
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-tglb1/igt@kms_async_flips@test-time-stamp.html

  * igt@kms_color@pipe-a-ctm-0-5:
    - shard-skl:          [DMESG-WARN][59] ([i915#1982]) -> [PASS][60] +1 similar issue
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl3/igt@kms_color@pipe-a-ctm-0-5.html
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl4/igt@kms_color@pipe-a-ctm-0-5.html

  * igt@kms_cursor_crc@pipe-c-cursor-128x128-random:
    - shard-skl:          [FAIL][61] ([i915#54]) -> [PASS][62] +6 similar issues
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl8/igt@kms_cursor_crc@pipe-c-cursor-128x128-random.html
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl4/igt@kms_cursor_crc@pipe-c-cursor-128x128-random.html

  * igt@kms_cursor_legacy@long-nonblocking-modeset-vs-cursor-atomic:
    - shard-kbl:          [DMESG-WARN][63] ([i915#95]) -> [PASS][64]
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-kbl7/igt@kms_cursor_legacy@long-nonblocking-modeset-vs-cursor-atomic.html
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-kbl2/igt@kms_cursor_legacy@long-nonblocking-modeset-vs-cursor-atomic.html

  * igt@kms_flip@plain-flip-fb-recreate-interruptible@c-edp1:
    - shard-skl:          [FAIL][65] ([i915#2122]) -> [PASS][66] +3 similar issues
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl1/igt@kms_flip@plain-flip-fb-recreate-interruptible@c-edp1.html
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl9/igt@kms_flip@plain-flip-fb-recreate-interruptible@c-edp1.html

  * igt@kms_plane_alpha_blend@pipe-c-coverage-7efc:
    - shard-skl:          [FAIL][67] ([fdo#108145] / [i915#265]) -> [PASS][68]
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl9/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl7/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html

  * igt@kms_psr@psr2_sprite_mmap_gtt:
    - shard-iclb:         [SKIP][69] ([fdo#109441]) -> [PASS][70] +1 similar issue
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb3/igt@kms_psr@psr2_sprite_mmap_gtt.html
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb2/igt@kms_psr@psr2_sprite_mmap_gtt.html

  * igt@perf@polling-parameterized:
    - shard-glk:          [FAIL][71] ([i915#1542]) -> [PASS][72]
   [71]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk7/igt@perf@polling-parameterized.html
   [72]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk5/igt@perf@polling-parameterized.html
    - shard-iclb:         [FAIL][73] ([i915#1542]) -> [PASS][74]
   [73]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb4/igt@perf@polling-parameterized.html
   [74]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb5/igt@perf@polling-parameterized.html

  * igt@perf_pmu@rc6-suspend:
    - shard-skl:          [INCOMPLETE][75] ([i915#198]) -> [PASS][76]
   [75]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl10/igt@perf_pmu@rc6-suspend.html
   [76]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl2/igt@perf_pmu@rc6-suspend.html

  
#### Warnings ####

  * igt@gem_exec_fair@basic-none-rrul@rcs0:
    - shard-iclb:         [FAIL][77] ([i915#2852]) -> [FAIL][78] ([i915#2842])
   [77]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb7/igt@gem_exec_fair@basic-none-rrul@rcs0.html
   [78]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb8/igt@gem_exec_fair@basic-none-rrul@rcs0.html

  * igt@gem_exec_fair@basic-pace@vcs1:
    - shard-kbl:          [SKIP][79] ([fdo#109271]) -> [FAIL][80] ([i915#2842])
   [79]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-kbl3/igt@gem_exec_fair@basic-pace@vcs1.html
   [80]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-kbl6/igt@gem_exec_fair@basic-pace@vcs1.html

  * igt@i915_pm_rc6_residency@rc6-fence:
    - shard-iclb:         [WARN][81] ([i915#1804] / [i915#2684]) -> [WARN][82] ([i915#2684])
   [81]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb4/igt@i915_pm_rc6_residency@rc6-fence.html
   [82]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb5/igt@i915_pm_rc6_residency@rc6-fence.html

  * igt@i915_pm_rc6_residency@rc6-idle:
    - shard-iclb:         [WARN][83] ([i915#1804] / [i915#2684]) -> [WARN][84] ([i915#2681] / [i915#2684])
   [83]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb7/igt@i915_pm_rc6_residency@rc6-idle.html
   [84]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb8/igt@i915_pm_rc6_residency@rc6-idle.html

  * igt@kms_psr2_sf@cursor-plane-update-sf:
    - shard-iclb:         [SKIP][85] ([i915#2920]) -> [SKIP][86] ([i915#658]) +2 similar issues
   [85]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb2/igt@kms_psr2_sf@cursor-plane-update-sf.html
   [86]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb5/igt@kms_psr2_sf@cursor-plane-update-sf.html

  * igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-1:
    - shard-iclb:         [SKIP][87] ([i915#658]) -> [SKIP][88] ([i915#2920]) +3 similar issues
   [87]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-iclb4/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-1.html
   [88]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-iclb2/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-1.html

  * igt@runner@aborted:
    - shard-apl:          [FAIL][89] ([i915#2295]) -> ([FAIL][90], [FAIL][91]) ([i915#1610] / [i915#2295] / [i915#2426])
   [89]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-apl3/igt@runner@aborted.html
   [90]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-apl4/igt@runner@aborted.html
   [91]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-apl2/igt@runner@aborted.html
    - shard-glk:          ([FAIL][92], [FAIL][93]) ([i915#2295] / [k.org#202321]) -> ([FAIL][94], [FAIL][95]) ([i915#1814] / [i915#2295] / [i915#2722] / [k.org#202321])
   [92]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk2/igt@runner@aborted.html
   [93]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-glk7/igt@runner@aborted.html
   [94]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk8/igt@runner@aborted.html
   [95]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-glk8/igt@runner@aborted.html
    - shard-skl:          ([FAIL][96], [FAIL][97]) ([i915#2295] / [i915#2426]) -> [FAIL][98] ([i915#2295])
   [96]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl10/igt@runner@aborted.html
   [97]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9666/shard-skl1/igt@runner@aborted.html
   [98]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19450/shard-skl9/igt@runner@aborted.html

  
  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#111304]: https://bugs.freedesktop.org/show_bug.cgi?id=111304
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1037]: https://gitlab.freedesktop.org/drm/intel/issues/1037
  [i915#123]: https://gitlab.freedesktop.org/drm/intel/issues/123
  [i915#1542]: https://gitlab.freedesktop.org/drm/intel/issues/1542
  [i915#1610]: https://gitlab.freedesktop.org/drm/intel/issues/1610
  [i915#1804]: https://gitlab.freedesktop.org/drm/intel/issues/1804
  [i915#1814]: https://gitlab.freedesktop.org/drm/intel/issues/1814
  [i915#198]: https://gitlab.freedesktop.org/drm/intel/issues/198
  [i915#1982]: https://gitlab.freedesktop.org/drm/intel/issues/1982
  [i915#2122]: https://gitlab.freedesktop.org/drm/intel/issues/2122
  [i915#2212]: https://gitlab.freedesktop.org/drm/intel/issues/2212
  [i915#2295]: https://gitlab.freedesktop.org/drm/intel/issues/2295
  [i915#2389]: https://gitlab.freedesktop.org/drm/intel/issues/2389
  [i915#2426]: https://gitlab.freedesktop.org/drm/intel/issues/2426
  [i915#2502]: https://gitlab.freedesktop.org/drm/intel/issues/2502
  [i915#2521]: https://gitlab.freedesktop.org/drm/intel/issues/2521
  [i915#2597]: https://gitlab.freedesktop.org/drm/intel/issues/2597
  [i915#2598]: https://gitlab.freedesktop.org/drm/intel/issues/2598
  [i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
  [i915#2681]: https://gitlab.freedesktop.org/drm/intel/issues/2681
  [i915#2684]: https://gitlab.freedesktop.org/drm/intel/issues/2684
  [i915#2722]: https://gitlab.freedesktop.org/drm/intel/issues/2722
  [i915#2803]: https://gitlab.freedesktop.org/drm/intel/issues/2803
  [i915#2842]: https://gitlab.freedesktop.org/drm/intel/issues/2842
  [i915#2846]: https://gitlab.freedesktop.org/drm/intel/issues/2846
  [i915#2849]: https://gitlab.freedesktop.org/drm/intel/issues/2849
  [i915#2852]: https://gitlab.freedesktop.org/drm/intel/issues/2852
  [i915#2920]: https://gitlab.freedesktop.org/drm/intel/issues/2920
  [i915#454]: https://gitlab.freedesktop.org/drm/intel/issues/454
  [i915#54]: https://gitlab.freedesktop.org/drm/intel/issues/54
  [i915#658]: https://gitlab.freedesktop.org/drm/intel/issues/658
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95
  [k.org#202321]: https://bugzilla.kernel.org/show_bug.cgi?id=202321


Participating hosts (10 -> 10)
------------------------------

  No changes in participating hosts


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

  * Linux: CI_DRM_9666 -> Patchwork_19450

  CI-20190529: 20190529
  CI_DRM_9666: 9ccbc653bf2948d1f7e9ff300dd7679b888ffa25 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5962: 22e3daaed82ab7890018a2f2aabf5082cd536023 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_19450: d84666eef93ac7e494ec45e508f79af3a11ccfd0 @ 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_19450/index.html

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