On 2017-09-29 01:44 AM, Dave Airlie wrote:
> From: Dave Airlie <airl...@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 <airl...@redhat.com>
Thanks for catching that return as well. So much nonsensical code here.
Nice cleanup.
Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
Harry
> ---
> 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);
>
>
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