All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dave Airlie <airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH] amdgpu/dc: remove pointless returns in the i2caux constructor paths. (v2)
Date: Fri, 29 Sep 2017 15:44:54 +1000	[thread overview]
Message-ID: <20170929054454.24182-1-airlied@gmail.com> (raw)

From: Dave Airlie <airlied@redhat.com>

There was lots of return true, and error checking that was never used
in these paths.

Just remove it all.

v2: I missed one return true.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c |  6 ++--
 drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h |  2 +-
 .../amd/display/dc/i2caux/dce100/i2caux_dce100.c   | 21 +++++---------
 .../display/dc/i2caux/dce110/aux_engine_dce110.c   | 20 +++-----------
 .../dc/i2caux/dce110/i2c_hw_engine_dce110.c        | 24 ++++++----------
 .../dc/i2caux/dce110/i2c_hw_engine_dce110.h        |  4 ---
 .../dc/i2caux/dce110/i2c_sw_engine_dce110.c        | 20 +++-----------
 .../amd/display/dc/i2caux/dce110/i2caux_dce110.c   | 30 ++++++--------------
 .../amd/display/dc/i2caux/dce110/i2caux_dce110.h   |  2 +-
 .../amd/display/dc/i2caux/dce112/i2caux_dce112.c   | 30 ++++++--------------
 .../amd/display/dc/i2caux/dce120/i2caux_dce120.c   | 21 +++++---------
 .../display/dc/i2caux/dce80/i2c_hw_engine_dce80.c  | 32 ++++++++--------------
 .../display/dc/i2caux/dce80/i2c_sw_engine_dce80.c  | 19 +++----------
 .../drm/amd/display/dc/i2caux/dce80/i2caux_dce80.c | 19 +++----------
 .../drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c | 21 +++++---------
 .../display/dc/i2caux/diagnostics/i2caux_diag.c    | 20 +++-----------
 drivers/gpu/drm/amd/display/dc/i2caux/engine.h     |  2 +-
 .../gpu/drm/amd/display/dc/i2caux/engine_base.c    |  3 +-
 drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.c |  7 ++---
 drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h |  2 +-
 .../amd/display/dc/i2caux/i2c_generic_hw_engine.c  |  6 ++--
 .../amd/display/dc/i2caux/i2c_generic_hw_engine.h  |  2 +-
 .../gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c  |  6 ++--
 .../gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.h  |  2 +-
 .../gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.c  | 17 +++---------
 .../gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.h  |  2 +-
 drivers/gpu/drm/amd/display/dc/i2caux/i2caux.c     |  4 +--
 drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h     |  2 +-
 28 files changed, 100 insertions(+), 246 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c
index 3c9608c..fc7a7d4 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c
@@ -555,15 +555,13 @@ bool dal_aux_engine_submit_request(
 	return result;
 }
 
-bool dal_aux_engine_construct(
+void dal_aux_engine_construct(
 	struct aux_engine *engine,
 	struct dc_context *ctx)
 {
-	if (!dal_i2caux_construct_engine(&engine->base, ctx))
-		return false;
+	dal_i2caux_construct_engine(&engine->base, ctx);
 	engine->delay = 0;
 	engine->max_defer_write_retry = 0;
-	return true;
 }
 
 void dal_aux_engine_destruct(
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h
index 40b2028..8e71324 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h
@@ -100,7 +100,7 @@ struct aux_engine {
 	bool acquire_reset;
 };
 
-bool dal_aux_engine_construct(
+void dal_aux_engine_construct(
 	struct aux_engine *engine,
 	struct dc_context *ctx);
 
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce100/i2caux_dce100.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce100/i2caux_dce100.c
index c45a2ee..e8d3781 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce100/i2caux_dce100.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce100/i2caux_dce100.c
@@ -95,18 +95,11 @@ struct i2caux *dal_i2caux_dce100_create(
 		return NULL;
 	}
 
-	if (dal_i2caux_dce110_construct(
-			i2caux_dce110,
-			ctx,
-			dce100_aux_regs,
-			dce100_hw_engine_regs,
-			&i2c_shift,
-			&i2c_mask))
-		return &i2caux_dce110->base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(i2caux_dce110);
-
-	return NULL;
+	dal_i2caux_dce110_construct(i2caux_dce110,
+				    ctx,
+				    dce100_aux_regs,
+				    dce100_hw_engine_regs,
+				    &i2c_shift,
+				    &i2c_mask);
+	return &i2caux_dce110->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c
index 4b673b4..0c4bbc1 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c
@@ -426,22 +426,16 @@ static const struct engine_funcs engine_funcs = {
 	.acquire = dal_aux_engine_acquire,
 };
 
-static bool construct(
+static void construct(
 	struct aux_engine_dce110 *engine,
 	const struct aux_engine_dce110_init_data *aux_init_data)
 {
-	if (!dal_aux_engine_construct(
-		&engine->base, aux_init_data->ctx)) {
-		ASSERT_CRITICAL(false);
-		return false;
-	}
+	dal_aux_engine_construct(&engine->base, aux_init_data->ctx);
 	engine->base.base.funcs = &engine_funcs;
 	engine->base.funcs = &aux_engine_funcs;
 
 	engine->timeout_period = aux_init_data->timeout_period;
 	engine->regs = aux_init_data->regs;
-
-	return true;
 }
 
 static void destruct(
@@ -471,12 +465,6 @@ struct aux_engine *dal_aux_engine_dce110_create(
 		return NULL;
 	}
 
-	if (construct(engine, aux_init_data))
-		return &engine->base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(engine);
-
-	return NULL;
+	construct(engine, aux_init_data);
+	return &engine->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.c
index aab77a8..1a5b3f7 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.c
@@ -498,17 +498,13 @@ static const struct i2c_hw_engine_funcs i2c_hw_engine_funcs = {
 	.wait_on_operation_result = dal_i2c_hw_engine_wait_on_operation_result,
 };
 
-bool i2c_hw_engine_dce110_construct(
+static void construct(
 	struct i2c_hw_engine_dce110 *hw_engine,
 	const struct i2c_hw_engine_dce110_create_arg *arg)
 {
 	uint32_t xtal_ref_div = 0;
 
-	if (!arg->reference_frequency)
-		return false;
-
-	if (!dal_i2c_hw_engine_construct(&hw_engine->base, arg->ctx))
-		return false;
+	dal_i2c_hw_engine_construct(&hw_engine->base, arg->ctx);
 
 	hw_engine->base.base.base.funcs = &engine_funcs;
 	hw_engine->base.base.funcs = &i2c_engine_funcs;
@@ -545,8 +541,6 @@ bool i2c_hw_engine_dce110_construct(
 	 */
 	hw_engine->reference_frequency =
 		(arg->reference_frequency * 2) / xtal_ref_div;
-
-	return true;
 }
 
 struct i2c_engine *dal_i2c_hw_engine_dce110_create(
@@ -558,6 +552,10 @@ struct i2c_engine *dal_i2c_hw_engine_dce110_create(
 		ASSERT_CRITICAL(false);
 		return NULL;
 	}
+	if (!arg->reference_frequency) {
+		ASSERT_CRITICAL(false);
+		return NULL;
+	}
 
 	engine_dce10 = kzalloc(sizeof(struct i2c_hw_engine_dce110),
 			       GFP_KERNEL);
@@ -567,12 +565,6 @@ struct i2c_engine *dal_i2c_hw_engine_dce110_create(
 		return NULL;
 	}
 
-	if (i2c_hw_engine_dce110_construct(engine_dce10, arg))
-		return &engine_dce10->base.base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(engine_dce10);
-
-	return NULL;
+	construct(engine_dce10, arg);
+	return &engine_dce10->base.base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h
index c573c64..5bb0408 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_hw_engine_dce110.h
@@ -207,8 +207,4 @@ struct i2c_hw_engine_dce110_create_arg {
 struct i2c_engine *dal_i2c_hw_engine_dce110_create(
 	const struct i2c_hw_engine_dce110_create_arg *arg);
 
-bool i2c_hw_engine_dce110_construct(
-	struct i2c_hw_engine_dce110 *engine_dce110,
-	const struct i2c_hw_engine_dce110_create_arg *arg);
-
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_sw_engine_dce110.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_sw_engine_dce110.c
index bf2c4b2..3aa7f79 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_sw_engine_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2c_sw_engine_dce110.c
@@ -118,7 +118,7 @@ static const struct engine_funcs engine_funcs = {
 	.submit_request = dal_i2c_sw_engine_submit_request,
 };
 
-static bool construct(
+static void construct(
 	struct i2c_sw_engine_dce110 *engine_dce110,
 	const struct i2c_sw_engine_dce110_create_arg *arg_dce110)
 {
@@ -127,11 +127,7 @@ static bool construct(
 	arg_base.ctx = arg_dce110->ctx;
 	arg_base.default_speed = arg_dce110->default_speed;
 
-	if (!dal_i2c_sw_engine_construct(
-			&engine_dce110->base, &arg_base)) {
-		ASSERT_CRITICAL(false);
-		return false;
-	}
+	dal_i2c_sw_engine_construct(&engine_dce110->base, &arg_base);
 
 	/*struct engine   struct engine_funcs*/
 	engine_dce110->base.base.base.funcs = &engine_funcs;
@@ -139,8 +135,6 @@ static bool construct(
 	engine_dce110->base.base.funcs = &i2c_engine_funcs;
 	engine_dce110->base.default_speed = arg_dce110->default_speed;
 	engine_dce110->engine_id = arg_dce110->engine_id;
-
-	return true;
 }
 
 struct i2c_engine *dal_i2c_sw_engine_dce110_create(
@@ -161,12 +155,6 @@ struct i2c_engine *dal_i2c_sw_engine_dce110_create(
 		return NULL;
 	}
 
-	if (construct(engine_dce110, arg))
-		return &engine_dce110->base.base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(engine_dce110);
-
-	return NULL;
+	construct(engine_dce110, arg);
+	return &engine_dce110->base.base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.c
index ae9adb3..2a047f8 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.c
@@ -196,7 +196,7 @@ static const struct dce110_i2c_hw_engine_mask i2c_mask = {
 		I2C_COMMON_MASK_SH_LIST_DCE110(_MASK)
 };
 
-bool dal_i2caux_dce110_construct(
+void dal_i2caux_dce110_construct(
 	struct i2caux_dce110 *i2caux_dce110,
 	struct dc_context *ctx,
 	const struct dce110_aux_registers aux_regs[],
@@ -217,10 +217,7 @@ bool dal_i2caux_dce110_construct(
 
 	base = &i2caux_dce110->base;
 
-	if (!dal_i2caux_construct(base, ctx)) {
-		ASSERT_CRITICAL(false);
-		return false;
-	}
+	dal_i2caux_construct(base, ctx);
 
 	i2caux_dce110->base.funcs = &i2caux_funcs;
 	i2caux_dce110->i2c_hw_buffer_in_use = false;
@@ -278,8 +275,6 @@ bool dal_i2caux_dce110_construct(
 	} while (i < ARRAY_SIZE(hw_aux_lines));
 
 	/*TODO Generic I2C SW and HW*/
-
-	return true;
 }
 
 /*
@@ -306,18 +301,11 @@ struct i2caux *dal_i2caux_dce110_create(
 		return NULL;
 	}
 
-	if (dal_i2caux_dce110_construct(
-			i2caux_dce110,
-			ctx,
-			dce110_aux_regs,
-			i2c_hw_engine_regs,
-			&i2c_shift,
-			&i2c_mask))
-		return &i2caux_dce110->base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(i2caux_dce110);
-
-	return NULL;
+	dal_i2caux_dce110_construct(i2caux_dce110,
+				    ctx,
+				    dce110_aux_regs,
+				    i2c_hw_engine_regs,
+				    &i2c_shift,
+				    &i2c_mask);
+	return &i2caux_dce110->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.h b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.h
index fd1cc23..1b1f71c 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/i2caux_dce110.h
@@ -42,7 +42,7 @@ struct dce110_i2c_hw_engine_mask;
 struct i2caux *dal_i2caux_dce110_create(
 	struct dc_context *ctx);
 
-bool dal_i2caux_dce110_construct(
+void dal_i2caux_dce110_construct(
 	struct i2caux_dce110 *i2caux_dce110,
 	struct dc_context *ctx,
 	const struct dce110_aux_registers *aux_regs,
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce112/i2caux_dce112.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce112/i2caux_dce112.c
index 715ba43..dafc1a7 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce112/i2caux_dce112.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce112/i2caux_dce112.c
@@ -87,22 +87,16 @@ static const struct dce110_i2c_hw_engine_mask i2c_mask = {
 		I2C_COMMON_MASK_SH_LIST_DCE110(_MASK)
 };
 
-static bool construct(
+static void construct(
 	struct i2caux_dce110 *i2caux_dce110,
 	struct dc_context *ctx)
 {
-	if (!dal_i2caux_dce110_construct(
-			i2caux_dce110,
-			ctx,
-			dce112_aux_regs,
-			dce112_hw_engine_regs,
-			&i2c_shift,
-			&i2c_mask)) {
-		ASSERT_CRITICAL(false);
-		return false;
-	}
-
-	return true;
+	dal_i2caux_dce110_construct(i2caux_dce110,
+				    ctx,
+				    dce112_aux_regs,
+				    dce112_hw_engine_regs,
+				    &i2c_shift,
+				    &i2c_mask);
 }
 
 /*
@@ -129,12 +123,6 @@ struct i2caux *dal_i2caux_dce112_create(
 		return NULL;
 	}
 
-	if (construct(i2caux_dce110, ctx))
-		return &i2caux_dce110->base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(i2caux_dce110);
-
-	return NULL;
+	construct(i2caux_dce110, ctx);
+	return &i2caux_dce110->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce120/i2caux_dce120.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce120/i2caux_dce120.c
index d52827a..668981a 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce120/i2caux_dce120.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce120/i2caux_dce120.c
@@ -108,18 +108,11 @@ struct i2caux *dal_i2caux_dce120_create(
 		return NULL;
 	}
 
-	if (dal_i2caux_dce110_construct(
-			i2caux_dce110,
-			ctx,
-			dce120_aux_regs,
-			dce120_hw_engine_regs,
-			&i2c_shift,
-			&i2c_mask))
-		return &i2caux_dce110->base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(i2caux_dce110);
-
-	return NULL;
+	dal_i2caux_dce110_construct(i2caux_dce110,
+				    ctx,
+				    dce120_aux_regs,
+				    dce120_hw_engine_regs,
+				    &i2c_shift,
+				    &i2c_mask);
+	return &i2caux_dce110->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_hw_engine_dce80.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_hw_engine_dce80.c
index d41e37c..fd0832d 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_hw_engine_dce80.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_hw_engine_dce80.c
@@ -824,20 +824,11 @@ static const struct i2c_hw_engine_funcs i2c_hw_engine_funcs = {
 		dal_i2c_hw_engine_wait_on_operation_result,
 };
 
-static bool construct(
+static void construct(
 	struct i2c_hw_engine_dce80 *engine,
 	const struct i2c_hw_engine_dce80_create_arg *arg)
 {
-	if (arg->engine_id >= sizeof(ddc_setup_offset) / sizeof(int32_t))
-		return false;
-	if (arg->engine_id >= sizeof(ddc_speed_offset) / sizeof(int32_t))
-		return false;
-
-	if (!arg->reference_frequency)
-		return false;
-
-	if (!dal_i2c_hw_engine_construct(&engine->base, arg->ctx))
-		return false;
+	dal_i2c_hw_engine_construct(&engine->base, arg->ctx);
 
 	engine->base.base.base.funcs = &engine_funcs;
 	engine->base.base.funcs = &i2c_engine_funcs;
@@ -853,8 +844,6 @@ static bool construct(
 	engine->buffer_used_bytes = 0;
 	engine->transaction_count = 0;
 	engine->engine_keep_power_up_count = 1;
-
-	return true;
 }
 
 struct i2c_engine *dal_i2c_hw_engine_dce80_create(
@@ -867,6 +856,13 @@ struct i2c_engine *dal_i2c_hw_engine_dce80_create(
 		return NULL;
 	}
 
+	if ((arg->engine_id >= sizeof(ddc_setup_offset) / sizeof(int32_t)) ||
+	    (arg->engine_id >= sizeof(ddc_speed_offset) / sizeof(int32_t)) ||
+	    !arg->reference_frequency) {
+		BREAK_TO_DEBUGGER();
+		return NULL;
+	}
+
 	engine = kzalloc(sizeof(struct i2c_hw_engine_dce80), GFP_KERNEL);
 
 	if (!engine) {
@@ -874,12 +870,6 @@ struct i2c_engine *dal_i2c_hw_engine_dce80_create(
 		return NULL;
 	}
 
-	if (construct(engine, arg))
-		return &engine->base.base;
-
-	BREAK_TO_DEBUGGER();
-
-	kfree(engine);
-
-	return NULL;
+	construct(engine, arg);
+	return &engine->base.base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_sw_engine_dce80.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_sw_engine_dce80.c
index 6be77bc..4853ee2 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_sw_engine_dce80.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2c_sw_engine_dce80.c
@@ -133,7 +133,7 @@ static const struct engine_funcs engine_funcs = {
 	.submit_request = dal_i2c_sw_engine_submit_request,
 };
 
-static bool construct(
+static void construct(
 	struct i2c_sw_engine_dce80 *engine,
 	const struct i2c_sw_engine_dce80_create_arg *arg)
 {
@@ -142,17 +142,12 @@ static bool construct(
 	arg_base.ctx = arg->ctx;
 	arg_base.default_speed = arg->default_speed;
 
-	if (!dal_i2c_sw_engine_construct(&engine->base, &arg_base)) {
-		BREAK_TO_DEBUGGER();
-		return false;
-	}
+	dal_i2c_sw_engine_construct(&engine->base, &arg_base);
 
 	engine->base.base.base.funcs = &engine_funcs;
 	engine->base.base.funcs = &i2c_engine_funcs;
 	engine->base.default_speed = arg->default_speed;
 	engine->engine_id = arg->engine_id;
-
-	return true;
 }
 
 struct i2c_engine *dal_i2c_sw_engine_dce80_create(
@@ -172,13 +167,7 @@ struct i2c_engine *dal_i2c_sw_engine_dce80_create(
 		return NULL;
 	}
 
-	if (construct(engine, arg))
-		return &engine->base.base;
-
-	BREAK_TO_DEBUGGER();
-
-	kfree(engine);
-
-	return NULL;
+	construct(engine, arg);
+	return &engine->base.base;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2caux_dce80.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2caux_dce80.c
index d3c157e..ed48596 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2caux_dce80.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce80/i2caux_dce80.c
@@ -187,7 +187,7 @@ static const struct i2caux_funcs i2caux_funcs = {
 	.acquire_aux_engine = dal_i2caux_acquire_aux_engine,
 };
 
-static bool construct(
+static void construct(
 	struct i2caux_dce80 *i2caux_dce80,
 	struct dc_context *ctx)
 {
@@ -207,10 +207,7 @@ static bool construct(
 
 	uint32_t i;
 
-	if (!dal_i2caux_construct(base, ctx)) {
-		BREAK_TO_DEBUGGER();
-		return false;
-	}
+	dal_i2caux_construct(base, ctx);
 
 	i2caux_dce80->base.funcs = &i2caux_funcs;
 	i2caux_dce80->i2c_hw_buffer_in_use = false;
@@ -269,8 +266,6 @@ static bool construct(
 	} while (i < ARRAY_SIZE(hw_aux_lines));
 
 	/* TODO Generic I2C SW and HW */
-
-	return true;
 }
 
 struct i2caux *dal_i2caux_dce80_create(
@@ -284,12 +279,6 @@ struct i2caux *dal_i2caux_dce80_create(
 		return NULL;
 	}
 
-	if (construct(i2caux_dce80, ctx))
-		return &i2caux_dce80->base;
-
-	BREAK_TO_DEBUGGER();
-
-	kfree(i2caux_dce80);
-
-	return NULL;
+	construct(i2caux_dce80, ctx);
+	return &i2caux_dce80->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c b/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c
index f8659f1..13b807d 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/dcn10/i2caux_dcn10.c
@@ -108,18 +108,11 @@ struct i2caux *dal_i2caux_dcn10_create(
 		return NULL;
 	}
 
-	if (dal_i2caux_dce110_construct(
-			i2caux_dce110,
-			ctx,
-			dcn10_aux_regs,
-			dcn10_hw_engine_regs,
-			&i2c_shift,
-			&i2c_mask))
-		return &i2caux_dce110->base;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(i2caux_dce110);
-
-	return NULL;
+	dal_i2caux_dce110_construct(i2caux_dce110,
+				    ctx,
+				    dcn10_aux_regs,
+				    dcn10_hw_engine_regs,
+				    &i2c_shift,
+				    &i2c_mask);
+	return &i2caux_dce110->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/diagnostics/i2caux_diag.c b/drivers/gpu/drm/amd/display/dc/i2caux/diagnostics/i2caux_diag.c
index 1fdb325..e6408f6 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/diagnostics/i2caux_diag.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/diagnostics/i2caux_diag.c
@@ -73,18 +73,12 @@ static const struct i2caux_funcs i2caux_funcs = {
 	.acquire_aux_engine = NULL,
 };
 
-static bool construct(
+static void construct(
 	struct i2caux *i2caux,
 	struct dc_context *ctx)
 {
-	if (!dal_i2caux_construct(i2caux, ctx)) {
-		ASSERT_CRITICAL(false);
-		return false;
-	}
-
+	dal_i2caux_construct(i2caux, ctx);
 	i2caux->funcs = &i2caux_funcs;
-
-	return true;
 }
 
 struct i2caux *dal_i2caux_diag_fpga_create(
@@ -98,12 +92,6 @@ struct i2caux *dal_i2caux_diag_fpga_create(
 		return NULL;
 	}
 
-	if (construct(i2caux, ctx))
-		return i2caux;
-
-	ASSERT_CRITICAL(false);
-
-	kfree(i2caux);
-
-	return NULL;
+	construct(i2caux, ctx);
+	return i2caux;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/engine.h
index 76fe2df..33de8a8 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/engine.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/engine.h
@@ -110,7 +110,7 @@ struct engine {
 	struct dc_context *ctx;
 };
 
-bool dal_i2caux_construct_engine(
+void dal_i2caux_construct_engine(
 	struct engine *engine,
 	struct dc_context *ctx);
 
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/engine_base.c b/drivers/gpu/drm/amd/display/dc/i2caux/engine_base.c
index 09da813..5d155d3 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/engine_base.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/engine_base.c
@@ -36,13 +36,12 @@
 
 #include "engine.h"
 
-bool dal_i2caux_construct_engine(
+void dal_i2caux_construct_engine(
 	struct engine *engine,
 	struct dc_context *ctx)
 {
 	engine->ddc = NULL;
 	engine->ctx = ctx;
-	return true;
 }
 
 void dal_i2caux_destruct_engine(
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.c b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.c
index 144f51d..70e20bd 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.c
@@ -103,15 +103,12 @@ void dal_i2c_engine_process_channel_reply(
 
 }
 
-bool dal_i2c_engine_construct(
+void dal_i2c_engine_construct(
 	struct i2c_engine *engine,
 	struct dc_context *ctx)
 {
-	if (!dal_i2caux_construct_engine(&engine->base, ctx))
-		return false;
-
+	dal_i2caux_construct_engine(&engine->base, ctx);
 	engine->timeout_delay = 0;
-	return true;
 }
 
 void dal_i2c_engine_destruct(
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h
index ce2c51d..58fc0f2 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_engine.h
@@ -88,7 +88,7 @@ struct i2c_engine {
 	uint32_t timeout_delay;
 };
 
-bool dal_i2c_engine_construct(
+void dal_i2c_engine_construct(
 	struct i2c_engine *engine,
 	struct dc_context *ctx);
 
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.c b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.c
index 521c4ec..5a4295e 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.c
@@ -270,13 +270,11 @@ uint32_t dal_i2c_generic_hw_engine_get_transaction_timeout(
 		(1 + (length << 3) + 1);
 }
 
-bool dal_i2c_generic_hw_engine_construct(
+void dal_i2c_generic_hw_engine_construct(
 	struct i2c_generic_hw_engine *engine,
 	struct dc_context *ctx)
 {
-	if (!dal_i2c_hw_engine_construct(&engine->base, ctx))
-		return false;
-	return true;
+	dal_i2c_hw_engine_construct(&engine->base, ctx);
 }
 
 void dal_i2c_generic_hw_engine_destruct(
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.h
index 083bb0d..1da0397 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_generic_hw_engine.h
@@ -59,7 +59,7 @@ struct i2c_generic_hw_engine {
 	const struct i2c_generic_hw_engine_funcs *funcs;
 };
 
-bool dal_i2c_generic_hw_engine_construct(
+void dal_i2c_generic_hw_engine_construct(
 	struct i2c_generic_hw_engine *engine,
 	struct dc_context *ctx);
 
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c
index 00a8f07..4b54fcf 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.c
@@ -228,15 +228,13 @@ enum i2c_channel_operation_result dal_i2c_hw_engine_wait_on_operation_result(
 	return result;
 }
 
-bool dal_i2c_hw_engine_construct(
+void dal_i2c_hw_engine_construct(
 	struct i2c_hw_engine *engine,
 	struct dc_context *ctx)
 {
-	if (!dal_i2c_engine_construct(&engine->base, ctx))
-		return false;
+	dal_i2c_engine_construct(&engine->base, ctx);
 	engine->original_speed = I2CAUX_DEFAULT_I2C_HW_SPEED;
 	engine->default_speed = I2CAUX_DEFAULT_I2C_HW_SPEED;
-	return true;
 }
 
 void dal_i2c_hw_engine_destruct(
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.h
index f2df174..8936a99 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_hw_engine.h
@@ -53,7 +53,7 @@ struct i2c_hw_engine {
 	uint32_t default_speed;
 };
 
-bool dal_i2c_hw_engine_construct(
+void dal_i2c_hw_engine_construct(
 	struct i2c_hw_engine *engine,
 	struct dc_context *ctx);
 
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.c b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.c
index 9d0077a..8e19bb6 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.c
@@ -569,17 +569,14 @@ static const struct engine_funcs engine_funcs = {
 	.submit_request = dal_i2c_sw_engine_submit_request,
 };
 
-bool dal_i2c_sw_engine_construct(
+void dal_i2c_sw_engine_construct(
 	struct i2c_sw_engine *engine,
 	const struct i2c_sw_engine_create_arg *arg)
 {
-	if (!dal_i2c_engine_construct(&engine->base, arg->ctx))
-		return false;
-
+	dal_i2c_engine_construct(&engine->base, arg->ctx);
 	dal_i2c_sw_engine_set_speed(&engine->base, arg->default_speed);
 	engine->base.funcs = &i2c_engine_funcs;
 	engine->base.base.funcs = &engine_funcs;
-	return true;
 }
 
 struct i2c_engine *dal_i2c_sw_engine_create(
@@ -599,12 +596,6 @@ struct i2c_engine *dal_i2c_sw_engine_create(
 		return NULL;
 	}
 
-	if (dal_i2c_sw_engine_construct(engine, arg))
-		return &engine->base;
-
-	BREAK_TO_DEBUGGER();
-
-	kfree(engine);
-
-	return NULL;
+	dal_i2c_sw_engine_construct(engine, arg);
+	return &engine->base;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.h
index e0cb4c3..546f15b 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2c_sw_engine.h
@@ -48,7 +48,7 @@ struct i2c_sw_engine_create_arg {
 	struct dc_context *ctx;
 };
 
-bool dal_i2c_sw_engine_construct(
+void dal_i2c_sw_engine_construct(
 	struct i2c_sw_engine *engine,
 	const struct i2c_sw_engine_create_arg *arg);
 
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.c b/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.c
index 9b115e1..e1593ff 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.c
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.c
@@ -423,7 +423,7 @@ void dal_i2caux_release_engine(
 	engine->ddc = NULL;
 }
 
-bool dal_i2caux_construct(
+void dal_i2caux_construct(
 	struct i2caux *i2caux,
 	struct dc_context *ctx)
 {
@@ -451,8 +451,6 @@ bool dal_i2caux_construct(
 		i2caux->default_i2c_hw_speed = DEFAULT_I2C_HW_SPEED;
 		i2caux->default_i2c_sw_speed = DEFAULT_I2C_SW_SPEED;
 	}
-
-	return true;
 }
 
 void dal_i2caux_destruct(
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h b/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h
index bc20de3..64f51bb 100644
--- a/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h
+++ b/drivers/gpu/drm/amd/display/dc/i2caux/i2caux.h
@@ -97,7 +97,7 @@ struct i2caux {
 	uint32_t default_i2c_hw_speed;
 };
 
-bool dal_i2caux_construct(
+void dal_i2caux_construct(
 	struct i2caux *i2caux,
 	struct dc_context *ctx);
 
-- 
2.9.4

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

             reply	other threads:[~2017-09-29  5:44 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-29  5:44 Dave Airlie [this message]
     [not found] ` <20170929054454.24182-1-airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-09-29 14:30   ` [PATCH] amdgpu/dc: remove pointless returns in the i2caux constructor paths. (v2) Harry Wentland

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170929054454.24182-1-airlied@gmail.com \
    --to=airlied-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
    --cc=amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.