2020-02-28 16:41:16

by Melissa Wen

[permalink] [raw]
Subject: [PATCH v2 0/2] drm/amd/display: dc_link: cleaning up some code style issues

This patchset solves some coding style issues on dc_link for readability
and cleaning up warnings. Change suggested by checkpatch.pl.

Changes in v2:
- Apply patches to the right amdgpu repository.
- Remove unnecessary {} added in the previous version.

Melissa Wen (2):
drm/amd/display: dc_link: code clean up on enable_link_dp function
drm/amd/display: dc_link: code clean up on detect_dp function

drivers/gpu/drm/amd/display/dc/core/dc_link.c | 64 +++++++++----------
1 file changed, 30 insertions(+), 34 deletions(-)

--
2.25.0


2020-02-28 16:43:08

by Melissa Wen

[permalink] [raw]
Subject: [PATCH v2 1/2] drm/amd/display: dc_link: code clean up on enable_link_dp function

Coding style clean up on enable_link_dp function as suggested by
checkpatch.pl:

CHECK: Lines should not end with a '('
WARNING: line over 80 characters
WARNING: suspect code indent for conditional statements (8, 24)
CHECK: braces {} should be used on all arms of this statement
ERROR: else should follow close brace '}'
CHECK: Comparison to NULL could be written
"link->preferred_training_settings.fec_enable"

Signed-off-by: Melissa Wen <[email protected]>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 29 +++++++++----------
1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 02e1ad318203..eb9894e416ed 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1498,9 +1498,8 @@ static void enable_stream_features(struct pipe_ctx *pipe_ctx)
}
}

-static enum dc_status enable_link_dp(
- struct dc_state *state,
- struct pipe_ctx *pipe_ctx)
+static enum dc_status enable_link_dp(struct dc_state *state,
+ struct pipe_ctx *pipe_ctx)
{
struct dc_stream_state *stream = pipe_ctx->stream;
enum dc_status status;
@@ -1532,7 +1531,8 @@ static enum dc_status enable_link_dp(
pipe_ctx->stream_res.pix_clk_params.requested_sym_clk =
link_settings.link_rate * LINK_RATE_REF_FREQ_IN_KHZ;
if (state->clk_mgr && !apply_seamless_boot_optimization)
- state->clk_mgr->funcs->update_clocks(state->clk_mgr, state, false);
+ state->clk_mgr->funcs->update_clocks(state->clk_mgr,
+ state, false);

// during mode switch we do DP_SET_POWER off then on, and OUI is lost
dpcd_set_source_specific_data(link);
@@ -1540,21 +1540,20 @@ static enum dc_status enable_link_dp(
skip_video_pattern = true;

if (link_settings.link_rate == LINK_RATE_LOW)
- skip_video_pattern = false;
-
- if (perform_link_training_with_retries(
- &link_settings,
- skip_video_pattern,
- LINK_TRAINING_ATTEMPTS,
- pipe_ctx,
- pipe_ctx->stream->signal)) {
+ skip_video_pattern = false;
+
+ if (perform_link_training_with_retries(&link_settings,
+ skip_video_pattern,
+ LINK_TRAINING_ATTEMPTS,
+ pipe_ctx,
+ pipe_ctx->stream->signal)) {
link->cur_link_settings = link_settings;
status = DC_OK;
- }
- else
+ } else {
status = DC_FAIL_DP_LINK_TRAINING;
+ }

- if (link->preferred_training_settings.fec_enable != NULL)
+ if (link->preferred_training_settings.fec_enable)
fec_enable = *link->preferred_training_settings.fec_enable;
else
fec_enable = true;
--
2.25.0

2020-02-28 16:43:56

by Melissa Wen

[permalink] [raw]
Subject: [PATCH v2 2/2] drm/amd/display: dc_link: code clean up on detect_dp function

Removes codestyle issues on detect_dp function as suggested by
checkpatch.pl.

CHECK: Lines should not end with a '('
WARNING: Missing a blank line after declarations
WARNING: line over 80 characters
CHECK: Alignment should match open parenthesis

Signed-off-by: Melissa Wen <[email protected]>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 35 +++++++++----------
1 file changed, 16 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index eb9894e416ed..549bea1d725c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -585,14 +585,14 @@ static void read_current_link_settings_on_detect(struct dc_link *link)
LINK_SPREAD_05_DOWNSPREAD_30KHZ : LINK_SPREAD_DISABLED;
}

-static bool detect_dp(
- struct dc_link *link,
- struct display_sink_capability *sink_caps,
- bool *converter_disable_audio,
- struct audio_support *audio_support,
- enum dc_detect_reason reason)
+static bool detect_dp(struct dc_link *link,
+ struct display_sink_capability *sink_caps,
+ bool *converter_disable_audio,
+ struct audio_support *audio_support,
+ enum dc_detect_reason reason)
{
bool boot = false;
+
sink_caps->signal = link_detect_sink(link, reason);
sink_caps->transaction_type =
get_ddc_transaction_type(sink_caps->signal);
@@ -609,9 +609,8 @@ static bool detect_dp(
sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT_MST;
link->type = dc_connection_mst_branch;

- dal_ddc_service_set_transaction_type(
- link->ddc,
- sink_caps->transaction_type);
+ dal_ddc_service_set_transaction_type(link->ddc,
+ sink_caps->transaction_type);

/*
* This call will initiate MST topology discovery. Which
@@ -640,13 +639,10 @@ static bool detect_dp(
if (reason == DETECT_REASON_BOOT)
boot = true;

- dm_helpers_dp_update_branch_info(
- link->ctx,
- link);
+ dm_helpers_dp_update_branch_info(link->ctx, link);

- if (!dm_helpers_dp_mst_start_top_mgr(
- link->ctx,
- link, boot)) {
+ if (!dm_helpers_dp_mst_start_top_mgr(link->ctx,
+ link, boot)) {
/* MST not supported */
link->type = dc_connection_single;
sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT;
@@ -654,7 +650,7 @@ static bool detect_dp(
}

if (link->type != dc_connection_mst_branch &&
- is_dp_active_dongle(link)) {
+ is_dp_active_dongle(link)) {
/* DP active dongles */
link->type = dc_connection_active_dongle;
if (!link->dpcd_caps.sink_count.bits.SINK_COUNT) {
@@ -665,14 +661,15 @@ static bool detect_dp(
return true;
}

- if (link->dpcd_caps.dongle_type != DISPLAY_DONGLE_DP_HDMI_CONVERTER)
+ if (link->dpcd_caps.dongle_type !=
+ DISPLAY_DONGLE_DP_HDMI_CONVERTER)
*converter_disable_audio = true;
}
} else {
/* DP passive dongles */
sink_caps->signal = dp_passive_dongle_detection(link->ddc,
- sink_caps,
- audio_support);
+ sink_caps,
+ audio_support);
}

return true;
--
2.25.0

2020-03-02 13:51:17

by Rodrigo Siqueira Jordao

[permalink] [raw]
Subject: Re: [PATCH v2 0/2] drm/amd/display: dc_link: cleaning up some code style issues

Applied!

Thanks

On 02/28, Melissa Wen wrote:
> This patchset solves some coding style issues on dc_link for readability
> and cleaning up warnings. Change suggested by checkpatch.pl.
>
> Changes in v2:
> - Apply patches to the right amdgpu repository.
> - Remove unnecessary {} added in the previous version.
>
> Melissa Wen (2):
> drm/amd/display: dc_link: code clean up on enable_link_dp function
> drm/amd/display: dc_link: code clean up on detect_dp function
>
> drivers/gpu/drm/amd/display/dc/core/dc_link.c | 64 +++++++++----------
> 1 file changed, 30 insertions(+), 34 deletions(-)
>
> --
> 2.25.0
>

--
Rodrigo Siqueira
https://siqueira.tech


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