drm/amd/display: Move link functions from dc to dc_link

[Why]
link-specific functions should reside in dc_link.c

[How]
Move them there.

Signed-off-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chris Park 2019-05-10 13:34:30 -04:00 committed by Alex Deucher
parent 8e0546d6c4
commit fe798de53a
2 changed files with 126 additions and 123 deletions

View File

@ -490,128 +490,6 @@ void dc_stream_set_static_screen_events(struct dc *dc,
dc->hwss.set_static_screen_control(pipes_affected, num_pipes_affected, events);
}
void dc_link_set_drive_settings(struct dc *dc,
struct link_training_settings *lt_settings,
const struct dc_link *link)
{
int i;
for (i = 0; i < dc->link_count; i++) {
if (dc->links[i] == link)
break;
}
if (i >= dc->link_count)
ASSERT_CRITICAL(false);
dc_link_dp_set_drive_settings(dc->links[i], lt_settings);
}
void dc_link_perform_link_training(struct dc *dc,
struct dc_link_settings *link_setting,
bool skip_video_pattern)
{
int i;
for (i = 0; i < dc->link_count; i++)
dc_link_dp_perform_link_training(
dc->links[i],
link_setting,
skip_video_pattern);
}
void dc_link_set_preferred_link_settings(struct dc *dc,
struct dc_link_settings *link_setting,
struct dc_link *link)
{
int i;
struct pipe_ctx *pipe;
struct dc_stream_state *link_stream;
struct dc_link_settings store_settings = *link_setting;
link->preferred_link_setting = store_settings;
/* Retrain with preferred link settings only relevant for
* DP signal type
*/
if (!dc_is_dp_signal(link->connector_signal))
return;
for (i = 0; i < MAX_PIPES; i++) {
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream && pipe->stream->link) {
if (pipe->stream->link == link)
break;
}
}
/* Stream not found */
if (i == MAX_PIPES)
return;
link_stream = link->dc->current_state->res_ctx.pipe_ctx[i].stream;
/* Cannot retrain link if backend is off */
if (link_stream->dpms_off)
return;
if (link_stream)
decide_link_settings(link_stream, &store_settings);
if ((store_settings.lane_count != LANE_COUNT_UNKNOWN) &&
(store_settings.link_rate != LINK_RATE_UNKNOWN))
dp_retrain_link_dp_test(link, &store_settings, false);
}
void dc_link_enable_hpd(const struct dc_link *link)
{
dc_link_dp_enable_hpd(link);
}
void dc_link_disable_hpd(const struct dc_link *link)
{
dc_link_dp_disable_hpd(link);
}
void dc_link_set_test_pattern(struct dc_link *link,
enum dp_test_pattern test_pattern,
const struct link_training_settings *p_link_settings,
const unsigned char *p_custom_pattern,
unsigned int cust_pattern_size)
{
if (link != NULL)
dc_link_dp_set_test_pattern(
link,
test_pattern,
p_link_settings,
p_custom_pattern,
cust_pattern_size);
}
uint32_t dc_link_bandwidth_kbps(
const struct dc_link *link,
const struct dc_link_settings *link_setting)
{
uint32_t link_bw_kbps = link_setting->link_rate * LINK_RATE_REF_FREQ_IN_KHZ; /* bytes per sec */
link_bw_kbps *= 8; /* 8 bits per byte*/
link_bw_kbps *= link_setting->lane_count;
return link_bw_kbps;
}
const struct dc_link_settings *dc_link_get_link_cap(
const struct dc_link *link)
{
if (link->preferred_link_setting.lane_count != LANE_COUNT_UNKNOWN &&
link->preferred_link_setting.link_rate != LINK_RATE_UNKNOWN)
return &link->preferred_link_setting;
return &link->verified_link_cap;
}
static void destruct(struct dc *dc)
{
dc_release_state(dc->current_state);

View File

@ -2339,7 +2339,8 @@ void core_link_resume(struct dc_link *link)
static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream)
{
struct fixed31_32 mbytes_per_sec;
uint32_t link_rate_in_mbytes_per_sec = dc_link_bandwidth_kbps(stream->link, &stream->link->cur_link_settings);
uint32_t link_rate_in_mbytes_per_sec = dc_link_bandwidth_kbps(stream->link,
&stream->link->cur_link_settings);
link_rate_in_mbytes_per_sec /= 8000; /* Kbits to MBytes */
mbytes_per_sec = dc_fixpt_from_int(link_rate_in_mbytes_per_sec);
@ -2858,3 +2859,127 @@ uint32_t dc_bandwidth_in_kbps_from_timing(
return kbps;
}
void dc_link_set_drive_settings(struct dc *dc,
struct link_training_settings *lt_settings,
const struct dc_link *link)
{
int i;
for (i = 0; i < dc->link_count; i++) {
if (dc->links[i] == link)
break;
}
if (i >= dc->link_count)
ASSERT_CRITICAL(false);
dc_link_dp_set_drive_settings(dc->links[i], lt_settings);
}
void dc_link_perform_link_training(struct dc *dc,
struct dc_link_settings *link_setting,
bool skip_video_pattern)
{
int i;
for (i = 0; i < dc->link_count; i++)
dc_link_dp_perform_link_training(
dc->links[i],
link_setting,
skip_video_pattern);
}
void dc_link_set_preferred_link_settings(struct dc *dc,
struct dc_link_settings *link_setting,
struct dc_link *link)
{
int i;
struct pipe_ctx *pipe;
struct dc_stream_state *link_stream;
struct dc_link_settings store_settings = *link_setting;
link->preferred_link_setting = store_settings;
/* Retrain with preferred link settings only relevant for
* DP signal type
*/
if (!dc_is_dp_signal(link->connector_signal))
return;
for (i = 0; i < MAX_PIPES; i++) {
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream && pipe->stream->link) {
if (pipe->stream->link == link)
break;
}
}
/* Stream not found */
if (i == MAX_PIPES)
return;
link_stream = link->dc->current_state->res_ctx.pipe_ctx[i].stream;
/* Cannot retrain link if backend is off */
if (link_stream->dpms_off)
return;
if (link_stream)
decide_link_settings(link_stream, &store_settings);
if ((store_settings.lane_count != LANE_COUNT_UNKNOWN) &&
(store_settings.link_rate != LINK_RATE_UNKNOWN))
dp_retrain_link_dp_test(link, &store_settings, false);
}
void dc_link_enable_hpd(const struct dc_link *link)
{
dc_link_dp_enable_hpd(link);
}
void dc_link_disable_hpd(const struct dc_link *link)
{
dc_link_dp_disable_hpd(link);
}
void dc_link_set_test_pattern(struct dc_link *link,
enum dp_test_pattern test_pattern,
const struct link_training_settings *p_link_settings,
const unsigned char *p_custom_pattern,
unsigned int cust_pattern_size)
{
if (link != NULL)
dc_link_dp_set_test_pattern(
link,
test_pattern,
p_link_settings,
p_custom_pattern,
cust_pattern_size);
}
uint32_t dc_link_bandwidth_kbps(
const struct dc_link *link,
const struct dc_link_settings *link_setting)
{
uint32_t link_bw_kbps =
link_setting->link_rate * LINK_RATE_REF_FREQ_IN_KHZ; /* bytes per sec */
link_bw_kbps *= 8; /* 8 bits per byte*/
link_bw_kbps *= link_setting->lane_count;
return link_bw_kbps;
}
const struct dc_link_settings *dc_link_get_link_cap(
const struct dc_link *link)
{
if (link->preferred_link_setting.lane_count != LANE_COUNT_UNKNOWN &&
link->preferred_link_setting.link_rate != LINK_RATE_UNKNOWN)
return &link->preferred_link_setting;
return &link->verified_link_cap;
}