[PATCH 0/5] Haswell Command Parser updates for Vulkan

[PATCH 0/5] Haswell Command Parser updates for Vulkan

[Jordan Justen]

We need to whitelist some more registers for the Intel Haswell Vulkan
driver in Mesa. We need the TIMESTAMP counter and the CS GPR registers
whitelisted.

The CS GPR registers are only present on Haswell, so I added the
ability to have an array of register tables. This allows all gen7
platforms to have a common set of render registers that are
whitelisted, while also allowing Haswell to have a separate set of
registers whitelisted. As part of this series, I moved the
HSW_SCRATCH1 and HSW_ROW_CHICKEN3 to only be whitelisted on Haswell.

I did not see any regressions in (OpenGL) piglit on Haswell with these
changes. I also confirmed that the newly whitelisted registers can now
be used by our Vulkan driver which shows that the separate table
appears to be functioning properly.

Jordan Justen (5):
  drm/i915: Add TIMESTAMP to register whitelist
  drm/i915: Use an array of register tables in command parser
  drm/i915: Move Haswell registers to separate whitelist table
  drm/i915: Add Haswell CS GPR registers to whitelist
  drm/i915: Bump command parser version for new whitelisted registers

 drivers/gpu/drm/i915/i915_cmd_parser.c  | 125 ++++++++++++++++++++++++--------
 drivers/gpu/drm/i915/i915_reg.h         |   4 +
 drivers/gpu/drm/i915/intel_ringbuffer.h |  13 +---
 3 files changed, 102 insertions(+), 40 deletions(-)

-- 
2.7.0

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[PATCH 1/5] drm/i915: Add TIMESTAMP to register whitelist

[Jordan Justen]

This is needed for the Mesa Vulkan driver on Haswell.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: Kristian Høgsberg <krh@bitplanet.net>
Cc: Kenneth Graunke <kenneth@whitecape.org>
---
 drivers/gpu/drm/i915/i915_cmd_parser.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 814d894..86d7cda 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -444,6 +444,7 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
 	REG64(CL_PRIMITIVES_COUNT),
 	REG64(PS_INVOCATION_COUNT),
 	REG64(PS_DEPTH_COUNT),
+	REG64_IDX(RING_TIMESTAMP, RENDER_RING_BASE),
 	REG32(OACONTROL), /* Only allowed for LRI and SRM. See below. */
 	REG64(MI_PREDICATE_SRC0),
 	REG64(MI_PREDICATE_SRC1),
-- 
2.7.0

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Re: [PATCH 1/5] drm/i915: Add TIMESTAMP to register whitelist

[Francisco Jerez]

[-- Attachment #1.1.1: Type: text/plain, Size: 1200 bytes --]

Jordan Justen <jordan.l.justen@intel.com> writes:

> This is needed for the Mesa Vulkan driver on Haswell.
>
> Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Kristian Høgsberg <krh@bitplanet.net>
> Cc: Kenneth Graunke <kenneth@whitecape.org>

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

> ---
>  drivers/gpu/drm/i915/i915_cmd_parser.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index 814d894..86d7cda 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -444,6 +444,7 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
>  	REG64(CL_PRIMITIVES_COUNT),
>  	REG64(PS_INVOCATION_COUNT),
>  	REG64(PS_DEPTH_COUNT),
> +	REG64_IDX(RING_TIMESTAMP, RENDER_RING_BASE),
>  	REG32(OACONTROL), /* Only allowed for LRI and SRM. See below. */
>  	REG64(MI_PREDICATE_SRC0),
>  	REG64(MI_PREDICATE_SRC1),
> -- 
> 2.7.0
>
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

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[PATCH 2/5] drm/i915: Use an array of register tables in command parser

[Jordan Justen]

For Haswell, we will want another table of registers while retaining
the large common table of whitelisted registers shared by all gen7
devices.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 drivers/gpu/drm/i915/i915_cmd_parser.c  | 101 +++++++++++++++++++++++---------
 drivers/gpu/drm/i915/intel_ringbuffer.h |  13 +---
 2 files changed, 75 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 86d7cda..46ea40b 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -501,6 +501,32 @@ static const struct drm_i915_reg_descriptor hsw_master_regs[] = {
 #undef REG64
 #undef REG32
 
+struct drm_i915_reg_table {
+	const struct drm_i915_reg_descriptor *regs;
+	int num_regs;
+	bool master;
+};
+
+static const struct drm_i915_reg_table ivb_render_reg_tables[] = {
+	{ gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false },
+	{ ivb_master_regs, ARRAY_SIZE(ivb_master_regs), true },
+};
+
+static const struct drm_i915_reg_table ivb_blt_reg_tables[] = {
+	{ gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs), false },
+	{ ivb_master_regs, ARRAY_SIZE(ivb_master_regs), true },
+};
+
+static const struct drm_i915_reg_table hsw_render_reg_tables[] = {
+	{ gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false },
+	{ hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true },
+};
+
+static const struct drm_i915_reg_table hsw_blt_reg_tables[] = {
+	{ gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs), false },
+	{ hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true },
+};
+
 static u32 gen7_render_get_cmd_length_mask(u32 cmd_header)
 {
 	u32 client = (cmd_header & INSTR_CLIENT_MASK) >> INSTR_CLIENT_SHIFT;
@@ -614,9 +640,16 @@ static bool check_sorted(int ring_id,
 
 static bool validate_regs_sorted(struct intel_engine_cs *ring)
 {
-	return check_sorted(ring->id, ring->reg_table, ring->reg_count) &&
-		check_sorted(ring->id, ring->master_reg_table,
-			     ring->master_reg_count);
+	int i;
+	const struct drm_i915_reg_table *table;
+
+	for (i = 0; i < ring->reg_table_count; i++) {
+		table = &ring->reg_tables[i];
+		if (!check_sorted(ring->id, table->regs, table->num_regs))
+			return false;
+	}
+
+	return true;
 }
 
 struct cmd_node {
@@ -711,15 +744,12 @@ int i915_cmd_parser_init_ring(struct intel_engine_cs *ring)
 			cmd_table_count = ARRAY_SIZE(gen7_render_cmds);
 		}
 
-		ring->reg_table = gen7_render_regs;
-		ring->reg_count = ARRAY_SIZE(gen7_render_regs);
-
 		if (IS_HASWELL(ring->dev)) {
-			ring->master_reg_table = hsw_master_regs;
-			ring->master_reg_count = ARRAY_SIZE(hsw_master_regs);
+			ring->reg_tables = hsw_render_reg_tables;
+			ring->reg_table_count = ARRAY_SIZE(hsw_render_reg_tables);
 		} else {
-			ring->master_reg_table = ivb_master_regs;
-			ring->master_reg_count = ARRAY_SIZE(ivb_master_regs);
+			ring->reg_tables = ivb_render_reg_tables;
+			ring->reg_table_count = ARRAY_SIZE(ivb_render_reg_tables);
 		}
 
 		ring->get_cmd_length_mask = gen7_render_get_cmd_length_mask;
@@ -738,15 +768,12 @@ int i915_cmd_parser_init_ring(struct intel_engine_cs *ring)
 			cmd_table_count = ARRAY_SIZE(gen7_blt_cmds);
 		}
 
-		ring->reg_table = gen7_blt_regs;
-		ring->reg_count = ARRAY_SIZE(gen7_blt_regs);
-
 		if (IS_HASWELL(ring->dev)) {
-			ring->master_reg_table = hsw_master_regs;
-			ring->master_reg_count = ARRAY_SIZE(hsw_master_regs);
+			ring->reg_tables = hsw_blt_reg_tables;
+			ring->reg_table_count = ARRAY_SIZE(hsw_blt_reg_tables);
 		} else {
-			ring->master_reg_table = ivb_master_regs;
-			ring->master_reg_count = ARRAY_SIZE(ivb_master_regs);
+			ring->reg_tables = ivb_blt_reg_tables;
+			ring->reg_table_count = ARRAY_SIZE(ivb_blt_reg_tables);
 		}
 
 		ring->get_cmd_length_mask = gen7_blt_get_cmd_length_mask;
@@ -849,12 +876,31 @@ static const struct drm_i915_reg_descriptor *
 find_reg(const struct drm_i915_reg_descriptor *table,
 	 int count, u32 addr)
 {
-	if (table) {
-		int i;
+	int i;
+
+	for (i = 0; i < count; i++) {
+		if (i915_mmio_reg_offset(table[i].addr) == addr)
+			return &table[i];
+	}
 
-		for (i = 0; i < count; i++) {
-			if (i915_mmio_reg_offset(table[i].addr) == addr)
-				return &table[i];
+	return NULL;
+}
+
+static const struct drm_i915_reg_descriptor *
+find_reg_in_tables(const struct drm_i915_reg_table *tables,
+		   int count, bool is_master, u32 addr)
+{
+	int i;
+	const struct drm_i915_reg_table *table;
+	const struct drm_i915_reg_descriptor *reg;
+
+	for (i = 0; i < count; i++) {
+		table = &tables[i];
+		if (!table->master || is_master) {
+			reg = find_reg(table->regs, table->num_regs,
+				       addr);
+			if (reg != NULL)
+				return reg;
 		}
 	}
 
@@ -1005,13 +1051,10 @@ static bool check_cmd(const struct intel_engine_cs *ring,
 		     offset += step) {
 			const u32 reg_addr = cmd[offset] & desc->reg.mask;
 			const struct drm_i915_reg_descriptor *reg =
-				find_reg(ring->reg_table, ring->reg_count,
-					 reg_addr);
-
-			if (!reg && is_master)
-				reg = find_reg(ring->master_reg_table,
-					       ring->master_reg_count,
-					       reg_addr);
+				find_reg_in_tables(ring->reg_tables,
+						   ring->reg_table_count,
+						   is_master,
+						   reg_addr);
 
 			if (!reg) {
 				DRM_DEBUG_DRIVER("CMD: Rejected register 0x%08X in command: 0x%08X (ring=%d)\n",
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 566b0ae..5f89261 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -125,7 +125,7 @@ struct intel_ringbuffer {
 };
 
 struct	intel_context;
-struct drm_i915_reg_descriptor;
+struct drm_i915_reg_table;
 
 /*
  * we use a single page to load ctx workarounds so all of these
@@ -332,15 +332,8 @@ struct  intel_engine_cs {
 	/*
 	 * Table of registers allowed in commands that read/write registers.
 	 */
-	const struct drm_i915_reg_descriptor *reg_table;
-	int reg_count;
-
-	/*
-	 * Table of registers allowed in commands that read/write registers, but
-	 * only from the DRM master.
-	 */
-	const struct drm_i915_reg_descriptor *master_reg_table;
-	int master_reg_count;
+	const struct drm_i915_reg_table *reg_tables;
+	int reg_table_count;
 
 	/*
 	 * Returns the bitmask for the length field of the specified command.
-- 
2.7.0

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Re: [PATCH 2/5] drm/i915: Use an array of register tables in command parser

[Francisco Jerez]

[-- Attachment #1.1.1: Type: text/plain, Size: 7157 bytes --]

Jordan Justen <jordan.l.justen@intel.com> writes:

> For Haswell, we will want another table of registers while retaining
> the large common table of whitelisted registers shared by all gen7
> devices.
>
> Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

> ---
>  drivers/gpu/drm/i915/i915_cmd_parser.c  | 101 +++++++++++++++++++++++---------
>  drivers/gpu/drm/i915/intel_ringbuffer.h |  13 +---
>  2 files changed, 75 insertions(+), 39 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index 86d7cda..46ea40b 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -501,6 +501,32 @@ static const struct drm_i915_reg_descriptor hsw_master_regs[] = {
>  #undef REG64
>  #undef REG32
>  
> +struct drm_i915_reg_table {
> +	const struct drm_i915_reg_descriptor *regs;
> +	int num_regs;
> +	bool master;
> +};
> +
> +static const struct drm_i915_reg_table ivb_render_reg_tables[] = {
> +	{ gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false },
> +	{ ivb_master_regs, ARRAY_SIZE(ivb_master_regs), true },
> +};
> +
> +static const struct drm_i915_reg_table ivb_blt_reg_tables[] = {
> +	{ gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs), false },
> +	{ ivb_master_regs, ARRAY_SIZE(ivb_master_regs), true },
> +};
> +
> +static const struct drm_i915_reg_table hsw_render_reg_tables[] = {
> +	{ gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false },
> +	{ hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true },
> +};
> +
> +static const struct drm_i915_reg_table hsw_blt_reg_tables[] = {
> +	{ gen7_blt_regs, ARRAY_SIZE(gen7_blt_regs), false },
> +	{ hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true },
> +};
> +
>  static u32 gen7_render_get_cmd_length_mask(u32 cmd_header)
>  {
>  	u32 client = (cmd_header & INSTR_CLIENT_MASK) >> INSTR_CLIENT_SHIFT;
> @@ -614,9 +640,16 @@ static bool check_sorted(int ring_id,
>  
>  static bool validate_regs_sorted(struct intel_engine_cs *ring)
>  {
> -	return check_sorted(ring->id, ring->reg_table, ring->reg_count) &&
> -		check_sorted(ring->id, ring->master_reg_table,
> -			     ring->master_reg_count);
> +	int i;
> +	const struct drm_i915_reg_table *table;
> +
> +	for (i = 0; i < ring->reg_table_count; i++) {
> +		table = &ring->reg_tables[i];
> +		if (!check_sorted(ring->id, table->regs, table->num_regs))
> +			return false;
> +	}
> +
> +	return true;
>  }
>  
>  struct cmd_node {
> @@ -711,15 +744,12 @@ int i915_cmd_parser_init_ring(struct intel_engine_cs *ring)
>  			cmd_table_count = ARRAY_SIZE(gen7_render_cmds);
>  		}
>  
> -		ring->reg_table = gen7_render_regs;
> -		ring->reg_count = ARRAY_SIZE(gen7_render_regs);
> -
>  		if (IS_HASWELL(ring->dev)) {
> -			ring->master_reg_table = hsw_master_regs;
> -			ring->master_reg_count = ARRAY_SIZE(hsw_master_regs);
> +			ring->reg_tables = hsw_render_reg_tables;
> +			ring->reg_table_count = ARRAY_SIZE(hsw_render_reg_tables);
>  		} else {
> -			ring->master_reg_table = ivb_master_regs;
> -			ring->master_reg_count = ARRAY_SIZE(ivb_master_regs);
> +			ring->reg_tables = ivb_render_reg_tables;
> +			ring->reg_table_count = ARRAY_SIZE(ivb_render_reg_tables);
>  		}
>  
>  		ring->get_cmd_length_mask = gen7_render_get_cmd_length_mask;
> @@ -738,15 +768,12 @@ int i915_cmd_parser_init_ring(struct intel_engine_cs *ring)
>  			cmd_table_count = ARRAY_SIZE(gen7_blt_cmds);
>  		}
>  
> -		ring->reg_table = gen7_blt_regs;
> -		ring->reg_count = ARRAY_SIZE(gen7_blt_regs);
> -
>  		if (IS_HASWELL(ring->dev)) {
> -			ring->master_reg_table = hsw_master_regs;
> -			ring->master_reg_count = ARRAY_SIZE(hsw_master_regs);
> +			ring->reg_tables = hsw_blt_reg_tables;
> +			ring->reg_table_count = ARRAY_SIZE(hsw_blt_reg_tables);
>  		} else {
> -			ring->master_reg_table = ivb_master_regs;
> -			ring->master_reg_count = ARRAY_SIZE(ivb_master_regs);
> +			ring->reg_tables = ivb_blt_reg_tables;
> +			ring->reg_table_count = ARRAY_SIZE(ivb_blt_reg_tables);
>  		}
>  
>  		ring->get_cmd_length_mask = gen7_blt_get_cmd_length_mask;
> @@ -849,12 +876,31 @@ static const struct drm_i915_reg_descriptor *
>  find_reg(const struct drm_i915_reg_descriptor *table,
>  	 int count, u32 addr)
>  {
> -	if (table) {
> -		int i;
> +	int i;
> +
> +	for (i = 0; i < count; i++) {
> +		if (i915_mmio_reg_offset(table[i].addr) == addr)
> +			return &table[i];
> +	}
>  
> -		for (i = 0; i < count; i++) {
> -			if (i915_mmio_reg_offset(table[i].addr) == addr)
> -				return &table[i];
> +	return NULL;
> +}
> +
> +static const struct drm_i915_reg_descriptor *
> +find_reg_in_tables(const struct drm_i915_reg_table *tables,
> +		   int count, bool is_master, u32 addr)
> +{
> +	int i;
> +	const struct drm_i915_reg_table *table;
> +	const struct drm_i915_reg_descriptor *reg;
> +
> +	for (i = 0; i < count; i++) {
> +		table = &tables[i];
> +		if (!table->master || is_master) {
> +			reg = find_reg(table->regs, table->num_regs,
> +				       addr);
> +			if (reg != NULL)
> +				return reg;
>  		}
>  	}
>  
> @@ -1005,13 +1051,10 @@ static bool check_cmd(const struct intel_engine_cs *ring,
>  		     offset += step) {
>  			const u32 reg_addr = cmd[offset] & desc->reg.mask;
>  			const struct drm_i915_reg_descriptor *reg =
> -				find_reg(ring->reg_table, ring->reg_count,
> -					 reg_addr);
> -
> -			if (!reg && is_master)
> -				reg = find_reg(ring->master_reg_table,
> -					       ring->master_reg_count,
> -					       reg_addr);
> +				find_reg_in_tables(ring->reg_tables,
> +						   ring->reg_table_count,
> +						   is_master,
> +						   reg_addr);
>  
>  			if (!reg) {
>  				DRM_DEBUG_DRIVER("CMD: Rejected register 0x%08X in command: 0x%08X (ring=%d)\n",
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
> index 566b0ae..5f89261 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.h
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
> @@ -125,7 +125,7 @@ struct intel_ringbuffer {
>  };
>  
>  struct	intel_context;
> -struct drm_i915_reg_descriptor;
> +struct drm_i915_reg_table;
>  
>  /*
>   * we use a single page to load ctx workarounds so all of these
> @@ -332,15 +332,8 @@ struct  intel_engine_cs {
>  	/*
>  	 * Table of registers allowed in commands that read/write registers.
>  	 */
> -	const struct drm_i915_reg_descriptor *reg_table;
> -	int reg_count;
> -
> -	/*
> -	 * Table of registers allowed in commands that read/write registers, but
> -	 * only from the DRM master.
> -	 */
> -	const struct drm_i915_reg_descriptor *master_reg_table;
> -	int master_reg_count;
> +	const struct drm_i915_reg_table *reg_tables;
> +	int reg_table_count;
>  
>  	/*
>  	 * Returns the bitmask for the length field of the specified command.
> -- 
> 2.7.0
>
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[PATCH 3/5] drm/i915: Move Haswell registers to separate whitelist table

[Jordan Justen]

Now that we can whitelist registers only on Haswell, move HSW_SCRATCH1
and HSW_ROW_CHICKEN3 into a separate Haswell only table.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: Francisco Jerez <currojerez@riseup.net>
---
 drivers/gpu/drm/i915/i915_cmd_parser.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 46ea40b..ba01836 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -472,6 +472,9 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
 	REG32(GEN7_L3SQCREG1),
 	REG32(GEN7_L3CNTLREG2),
 	REG32(GEN7_L3CNTLREG3),
+};
+
+static const struct drm_i915_reg_descriptor hsw_render_regs[] = {
 	REG32(HSW_SCRATCH1,
 	      .mask = ~HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE,
 	      .value = 0),
@@ -519,6 +522,7 @@ static const struct drm_i915_reg_table ivb_blt_reg_tables[] = {
 
 static const struct drm_i915_reg_table hsw_render_reg_tables[] = {
 	{ gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false },
+	{ hsw_render_regs, ARRAY_SIZE(hsw_render_regs), false },
 	{ hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true },
 };
 
-- 
2.7.0

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Re: [PATCH 3/5] drm/i915: Move Haswell registers to separate whitelist table

[Francisco Jerez]

[-- Attachment #1.1.1: Type: text/plain, Size: 1421 bytes --]

Jordan Justen <jordan.l.justen@intel.com> writes:

> Now that we can whitelist registers only on Haswell, move HSW_SCRATCH1
> and HSW_ROW_CHICKEN3 into a separate Haswell only table.
>
> Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Francisco Jerez <currojerez@riseup.net>

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

> ---
>  drivers/gpu/drm/i915/i915_cmd_parser.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index 46ea40b..ba01836 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -472,6 +472,9 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
>  	REG32(GEN7_L3SQCREG1),
>  	REG32(GEN7_L3CNTLREG2),
>  	REG32(GEN7_L3CNTLREG3),
> +};
> +
> +static const struct drm_i915_reg_descriptor hsw_render_regs[] = {
>  	REG32(HSW_SCRATCH1,
>  	      .mask = ~HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE,
>  	      .value = 0),
> @@ -519,6 +522,7 @@ static const struct drm_i915_reg_table ivb_blt_reg_tables[] = {
>  
>  static const struct drm_i915_reg_table hsw_render_reg_tables[] = {
>  	{ gen7_render_regs, ARRAY_SIZE(gen7_render_regs), false },
> +	{ hsw_render_regs, ARRAY_SIZE(hsw_render_regs), false },
>  	{ hsw_master_regs, ARRAY_SIZE(hsw_master_regs), true },
>  };
>  
> -- 
> 2.7.0

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[PATCH 4/5] drm/i915: Add Haswell CS GPR registers to whitelist

[Jordan Justen]

This is needed for the Mesa Vulkan driver on Haswell.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 drivers/gpu/drm/i915/i915_cmd_parser.c | 16 ++++++++++++++++
 drivers/gpu/drm/i915/i915_reg.h        |  4 ++++
 2 files changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index ba01836..e1608da 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -475,6 +475,22 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
 };
 
 static const struct drm_i915_reg_descriptor hsw_render_regs[] = {
+	REG64_IDX(HSW_CS_GPR, 0),
+	REG64_IDX(HSW_CS_GPR, 1),
+	REG64_IDX(HSW_CS_GPR, 2),
+	REG64_IDX(HSW_CS_GPR, 3),
+	REG64_IDX(HSW_CS_GPR, 4),
+	REG64_IDX(HSW_CS_GPR, 5),
+	REG64_IDX(HSW_CS_GPR, 6),
+	REG64_IDX(HSW_CS_GPR, 7),
+	REG64_IDX(HSW_CS_GPR, 8),
+	REG64_IDX(HSW_CS_GPR, 9),
+	REG64_IDX(HSW_CS_GPR, 10),
+	REG64_IDX(HSW_CS_GPR, 11),
+	REG64_IDX(HSW_CS_GPR, 12),
+	REG64_IDX(HSW_CS_GPR, 13),
+	REG64_IDX(HSW_CS_GPR, 14),
+	REG64_IDX(HSW_CS_GPR, 15),
 	REG32(HSW_SCRATCH1,
 	      .mask = ~HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE,
 	      .value = 0),
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f76cbf3..5ba7761 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -586,6 +586,10 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define GEN7_GPGPU_DISPATCHDIMY         _MMIO(0x2504)
 #define GEN7_GPGPU_DISPATCHDIMZ         _MMIO(0x2508)
 
+/* There are the 16 64-bit CS General Purpose Registers */
+#define HSW_CS_GPR(n)                   _MMIO(0x2600 + (n) * 8)
+#define HSW_CS_GPR_UDW(n)               _MMIO(0x2600 + (n) * 8 + 4)
+
 #define OACONTROL _MMIO(0x2360)
 
 #define _GEN7_PIPEA_DE_LOAD_SL	0x70068
-- 
2.7.0

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Re: [PATCH 4/5] drm/i915: Add Haswell CS GPR registers to whitelist

[Francisco Jerez]

[-- Attachment #1.1.1: Type: text/plain, Size: 2284 bytes --]

Jordan Justen <jordan.l.justen@intel.com> writes:

> This is needed for the Mesa Vulkan driver on Haswell.
>
> Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

> ---
>  drivers/gpu/drm/i915/i915_cmd_parser.c | 16 ++++++++++++++++
>  drivers/gpu/drm/i915/i915_reg.h        |  4 ++++
>  2 files changed, 20 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index ba01836..e1608da 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -475,6 +475,22 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
>  };
>  
>  static const struct drm_i915_reg_descriptor hsw_render_regs[] = {
> +	REG64_IDX(HSW_CS_GPR, 0),
> +	REG64_IDX(HSW_CS_GPR, 1),
> +	REG64_IDX(HSW_CS_GPR, 2),
> +	REG64_IDX(HSW_CS_GPR, 3),
> +	REG64_IDX(HSW_CS_GPR, 4),
> +	REG64_IDX(HSW_CS_GPR, 5),
> +	REG64_IDX(HSW_CS_GPR, 6),
> +	REG64_IDX(HSW_CS_GPR, 7),
> +	REG64_IDX(HSW_CS_GPR, 8),
> +	REG64_IDX(HSW_CS_GPR, 9),
> +	REG64_IDX(HSW_CS_GPR, 10),
> +	REG64_IDX(HSW_CS_GPR, 11),
> +	REG64_IDX(HSW_CS_GPR, 12),
> +	REG64_IDX(HSW_CS_GPR, 13),
> +	REG64_IDX(HSW_CS_GPR, 14),
> +	REG64_IDX(HSW_CS_GPR, 15),
>  	REG32(HSW_SCRATCH1,
>  	      .mask = ~HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE,
>  	      .value = 0),
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index f76cbf3..5ba7761 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -586,6 +586,10 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
>  #define GEN7_GPGPU_DISPATCHDIMY         _MMIO(0x2504)
>  #define GEN7_GPGPU_DISPATCHDIMZ         _MMIO(0x2508)
>  
> +/* There are the 16 64-bit CS General Purpose Registers */
> +#define HSW_CS_GPR(n)                   _MMIO(0x2600 + (n) * 8)
> +#define HSW_CS_GPR_UDW(n)               _MMIO(0x2600 + (n) * 8 + 4)
> +
>  #define OACONTROL _MMIO(0x2360)
>  
>  #define _GEN7_PIPEA_DE_LOAD_SL	0x70068
> -- 
> 2.7.0
>
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> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

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[PATCH 5/5] drm/i915: Bump command parser version for new whitelisted registers

[Jordan Justen]

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 drivers/gpu/drm/i915/i915_cmd_parser.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index e1608da..f8381be 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -1287,6 +1287,7 @@ int i915_cmd_parser_get_version(void)
 	 * 3. Allow access to the GPGPU_THREADS_DISPATCHED register.
 	 * 4. L3 atomic chicken bits of HSW_SCRATCH1 and HSW_ROW_CHICKEN3.
 	 * 5. GPGPU dispatch compute indirect registers.
+	 * 6. TIMESTAMP register and Haswell CS GPR registers
 	 */
-	return 5;
+	return 6;
 }
-- 
2.7.0

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Re: [PATCH 5/5] drm/i915: Bump command parser version for new whitelisted registers

[Francisco Jerez]

[-- Attachment #1.1.1: Type: text/plain, Size: 1058 bytes --]

Jordan Justen <jordan.l.justen@intel.com> writes:

> Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

> ---
>  drivers/gpu/drm/i915/i915_cmd_parser.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index e1608da..f8381be 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -1287,6 +1287,7 @@ int i915_cmd_parser_get_version(void)
>  	 * 3. Allow access to the GPGPU_THREADS_DISPATCHED register.
>  	 * 4. L3 atomic chicken bits of HSW_SCRATCH1 and HSW_ROW_CHICKEN3.
>  	 * 5. GPGPU dispatch compute indirect registers.
> +	 * 6. TIMESTAMP register and Haswell CS GPR registers
>  	 */
> -	return 5;
> +	return 6;
>  }
> -- 
> 2.7.0
>
> _______________________________________________
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Re: [PATCH 5/5] drm/i915: Bump command parser version for new whitelisted registers

[Daniel Vetter]

On Tue, Mar 08, 2016 at 02:07:03PM -0800, Francisco Jerez wrote:
> Jordan Justen <jordan.l.justen@intel.com> writes:
> 
> > Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
> 
> Reviewed-by: Francisco Jerez <currojerez@riseup.net>

Entire series applied to dinq, thanks for patches&review.
-Daniel

> 
> > ---
> >  drivers/gpu/drm/i915/i915_cmd_parser.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> > index e1608da..f8381be 100644
> > --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> > +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> > @@ -1287,6 +1287,7 @@ int i915_cmd_parser_get_version(void)
> >  	 * 3. Allow access to the GPGPU_THREADS_DISPATCHED register.
> >  	 * 4. L3 atomic chicken bits of HSW_SCRATCH1 and HSW_ROW_CHICKEN3.
> >  	 * 5. GPGPU dispatch compute indirect registers.
> > +	 * 6. TIMESTAMP register and Haswell CS GPR registers
> >  	 */
> > -	return 5;
> > +	return 6;
> >  }
> > -- 
> > 2.7.0
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx




> _______________________________________________
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-- 
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Software Engineer, Intel Corporation
http://blog.ffwll.ch
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✗ Fi.CI.BAT: failure for Haswell Command Parser updates for Vulkan

[Patchwork]

== Series Details ==

Series: Haswell Command Parser updates for Vulkan
URL   : https://patchwork.freedesktop.org/series/4168/
State : failure

== Summary ==

Series 4168v1 Haswell Command Parser updates for Vulkan
http://patchwork.freedesktop.org/api/1.0/series/4168/revisions/1/mbox/

Test kms_flip:
        Subgroup basic-flip-vs-dpms:
                pass       -> DMESG-WARN (ilk-hp8440p) UNSTABLE
        Subgroup basic-flip-vs-wf_vblank:
                pass       -> FAIL       (snb-x220t)
                pass       -> DMESG-WARN (hsw-gt2)
        Subgroup basic-plain-flip:
                dmesg-warn -> PASS       (hsw-gt2)
                pass       -> DMESG-WARN (hsw-brixbox)
Test kms_pipe_crc_basic:
        Subgroup nonblocking-crc-pipe-b:
                pass       -> DMESG-WARN (hsw-gt2)
        Subgroup read-crc-pipe-a:
                pass       -> DMESG-WARN (snb-x220t)
        Subgroup read-crc-pipe-c:
                dmesg-warn -> PASS       (hsw-gt2)
        Subgroup suspend-read-crc-pipe-a:
                dmesg-warn -> PASS       (skl-i5k-2)
                skip       -> PASS       (hsw-brixbox)
        Subgroup suspend-read-crc-pipe-c:
                pass       -> DMESG-WARN (bsw-nuc-2)

bdw-ultra        total:183  pass:165  dwarn:0   dfail:0   fail:0   skip:18 
bsw-nuc-2        total:183  pass:147  dwarn:1   dfail:0   fail:1   skip:34 
byt-nuc          total:183  pass:152  dwarn:0   dfail:0   fail:0   skip:31 
hsw-brixbox      total:183  pass:163  dwarn:1   dfail:0   fail:0   skip:19 
hsw-gt2          total:183  pass:167  dwarn:2   dfail:0   fail:0   skip:14 
ilk-hp8440p      total:183  pass:124  dwarn:1   dfail:0   fail:0   skip:58 
ivb-t430s        total:183  pass:162  dwarn:0   dfail:0   fail:0   skip:21 
skl-i5k-2        total:183  pass:163  dwarn:0   dfail:0   fail:0   skip:20 
skl-i7k-2        total:183  pass:163  dwarn:0   dfail:0   fail:0   skip:20 
snb-x220t        total:183  pass:152  dwarn:1   dfail:0   fail:2   skip:28 

Results at /archive/results/CI_IGT_test/Patchwork_1534/

d369e0096716c6000139162b3b340f684f0a51da drm-intel-nightly: 2016y-03m-04d-17h-18m-08s UTC integration manifest
bc2a29615c1072bef5e47ed28ea9cd510fb5cf39 drm/i915: Bump command parser version for new whitelisted registers
cdc1284902a326ba23595675d5ebbcb0e7c84a3f drm/i915: Add Haswell CS GPR registers to whitelist
445b54f7d50ea9afa0e90f61e5c5af491205f484 drm/i915: Move Haswell registers to separate whitelist table
bcd2251c3f03094647ce8bd09f8470324aa38693 drm/i915: Use an array of register tables in command parser
8fcd1943a696715b792cb043d3dae5e4dc0c6f1b drm/i915: Add TIMESTAMP to register whitelist

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Re: ✗ Fi.CI.BAT: failure for Haswell Command Parser updates for Vulkan

[Daniel Vetter]

On Mon, Mar 07, 2016 at 12:27:39PM -0000, Patchwork wrote:
> == Series Details ==
> 
> Series: Haswell Command Parser updates for Vulkan
> URL   : https://patchwork.freedesktop.org/series/4168/
> State : failure
> 
> == Summary ==
> 
> Series 4168v1 Haswell Command Parser updates for Vulkan
> http://patchwork.freedesktop.org/api/1.0/series/4168/revisions/1/mbox/
> 
> Test kms_flip:
>         Subgroup basic-flip-vs-dpms:
>                 pass       -> DMESG-WARN (ilk-hp8440p) UNSTABLE
>         Subgroup basic-flip-vs-wf_vblank:
>                 pass       -> FAIL       (snb-x220t)
>                 pass       -> DMESG-WARN (hsw-gt2)
>         Subgroup basic-plain-flip:
>                 dmesg-warn -> PASS       (hsw-gt2)
>                 pass       -> DMESG-WARN (hsw-brixbox)
> Test kms_pipe_crc_basic:
>         Subgroup nonblocking-crc-pipe-b:
>                 pass       -> DMESG-WARN (hsw-gt2)
>         Subgroup read-crc-pipe-a:
>                 pass       -> DMESG-WARN (snb-x220t)
>         Subgroup read-crc-pipe-c:
>                 dmesg-warn -> PASS       (hsw-gt2)
>         Subgroup suspend-read-crc-pipe-a:
>                 dmesg-warn -> PASS       (skl-i5k-2)
>                 skip       -> PASS       (hsw-brixbox)
>         Subgroup suspend-read-crc-pipe-c:
>                 pass       -> DMESG-WARN (bsw-nuc-2)

cpu hotplug lockdep splat, but not the one we've had on skl. Fairly
sporadic, and apparently no one file it yet. Created a new one:

https://bugs.freedesktop.org/show_bug.cgi?id=94644

All the other regressions to dmesg-warn above are runtime PM fail in the
ilk wm code:


https://bugs.freedesktop.org/show_bug.cgi?id=94645

> 
> bdw-ultra        total:183  pass:165  dwarn:0   dfail:0   fail:0   skip:18 
> bsw-nuc-2        total:183  pass:147  dwarn:1   dfail:0   fail:1   skip:34 
> byt-nuc          total:183  pass:152  dwarn:0   dfail:0   fail:0   skip:31 
> hsw-brixbox      total:183  pass:163  dwarn:1   dfail:0   fail:0   skip:19 
> hsw-gt2          total:183  pass:167  dwarn:2   dfail:0   fail:0   skip:14 
> ilk-hp8440p      total:183  pass:124  dwarn:1   dfail:0   fail:0   skip:58 
> ivb-t430s        total:183  pass:162  dwarn:0   dfail:0   fail:0   skip:21 
> skl-i5k-2        total:183  pass:163  dwarn:0   dfail:0   fail:0   skip:20 
> skl-i7k-2        total:183  pass:163  dwarn:0   dfail:0   fail:0   skip:20 
> snb-x220t        total:183  pass:152  dwarn:1   dfail:0   fail:2   skip:28 
> 
> Results at /archive/results/CI_IGT_test/Patchwork_1534/
> 
> d369e0096716c6000139162b3b340f684f0a51da drm-intel-nightly: 2016y-03m-04d-17h-18m-08s UTC integration manifest
> bc2a29615c1072bef5e47ed28ea9cd510fb5cf39 drm/i915: Bump command parser version for new whitelisted registers
> cdc1284902a326ba23595675d5ebbcb0e7c84a3f drm/i915: Add Haswell CS GPR registers to whitelist
> 445b54f7d50ea9afa0e90f61e5c5af491205f484 drm/i915: Move Haswell registers to separate whitelist table
> bcd2251c3f03094647ce8bd09f8470324aa38693 drm/i915: Use an array of register tables in command parser
> 8fcd1943a696715b792cb043d3dae5e4dc0c6f1b drm/i915: Add TIMESTAMP to register whitelist
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
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Software Engineer, Intel Corporation
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