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drm/amd/display: Separate fec debug flag and monitor patch

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[Why]
Driver apply the monitor patch into global debug flag.  When apply
monitor patch, fec feature will always disable.

[How]
Separate fec debug flag and monitor patch

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Lewis Huang <Lewis.Huang@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lewis Huang
2020-12-07 17:14:14 +08:00
committed by Alex Deucher
parent f03e80d2e8
commit 89c7dfa927
3 changed files with 19 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View File

@@ -1065,9 +1065,6 @@ static bool dc_link_detect_helper(struct dc_link *link,
break;
}
if (link->local_sink->edid_caps.panel_patch.disable_fec)
link->ctx->dc->debug.disable_fec = true;
// Check if edid is the same
if ((prev_sink) &&
(edid_status == EDID_THE_SAME || edid_status == EDID_OK))
@@ -3635,7 +3632,7 @@ uint32_t dc_link_bandwidth_kbps(
link_bw_kbps *= 8; /* 8 bits per byte*/
link_bw_kbps *= link_setting->lane_count;
if (dc_link_is_fec_supported(link) && !link->dc->debug.disable_fec) {
if (dc_link_should_enable_fec(link)) {
/* Account for FEC overhead.
* We have to do it based on caps,
* and not based on FEC being set ready,
@@ -3687,3 +3684,18 @@ bool dc_link_is_fec_supported(const struct dc_link *link)
!IS_FPGA_MAXIMUS_DC(link->ctx->dce_environment));
}
bool dc_link_should_enable_fec(const struct dc_link *link)
{
bool is_fec_disable = false;
bool ret = false;
if (link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT_MST &&
link->local_sink &&
link->local_sink->edid_caps.panel_patch.disable_fec)
is_fec_disable = true;
if (dc_link_is_fec_supported(link) && !link->dc->debug.disable_fec && !is_fec_disable)
ret = true;
return ret;
}

4
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@@ -4345,7 +4345,7 @@ void dp_set_fec_ready(struct dc_link *link, bool ready)
struct link_encoder *link_enc = link->link_enc;
uint8_t fec_config = 0;
if (!dc_link_is_fec_supported(link) || link->dc->debug.disable_fec)
if (!dc_link_should_enable_fec(link))
return;
if (link_enc->funcs->fec_set_ready &&
@@ -4380,7 +4380,7 @@ void dp_set_fec_enable(struct dc_link *link, bool enable)
{
struct link_encoder *link_enc = link->link_enc;
if (!dc_link_is_fec_supported(link) || link->dc->debug.disable_fec)
if (!dc_link_should_enable_fec(link))
return;
if (link_enc->funcs->fec_set_enable &&

1
drivers/gpu/drm/amd/display/dc/dc_link.h
View File

@@ -369,5 +369,6 @@ uint32_t dc_bandwidth_in_kbps_from_timing(
const struct dc_crtc_timing *timing);
bool dc_link_is_fec_supported(const struct dc_link *link);
bool dc_link_should_enable_fec(const struct dc_link *link);
#endif /* DC_LINK_H_ */