diff options
| author |   Chris Park <chris.park@amd.com> | 2022-06-23 18:21:59 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2022-07-13 11:25:16 -0400 |
| commit | 236124d1167bcc539432b4f6fc19ce1fa015e2ad (patch) | |
| tree | 35d387b4744d990c70df40d89f088fcb9fd101b1 /drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c | |
| parent | drm/amdkfd: correct the MEC atomic support firmware checking for GC 10.3.7 (diff) | |
| download | linux-dev-236124d1167bcc539432b4f6fc19ce1fa015e2ad.tar.xz linux-dev-236124d1167bcc539432b4f6fc19ce1fa015e2ad.zip | |
drm/amd/display: Reduce SCDC Status Flags Definition
[Why]
Status flags definition is reduced to read
less bytes in SCDC transaction for status update.
[How]
Reduce definition of reserved bytes from 3 to 1
for status update.
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c index b13a516ba0f2..d01d2eeed813 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c @@ -93,16 +93,13 @@ union hdmi_scdc_update_read_data { }; union hdmi_scdc_status_flags_data { - uint8_t byte[2]; + uint8_t byte; struct { uint8_t CLOCK_DETECTED:1; uint8_t CH0_LOCKED:1; uint8_t CH1_LOCKED:1; uint8_t CH2_LOCKED:1; uint8_t RESERVED:4; - uint8_t RESERVED2:8; - uint8_t RESERVED3:8; - } fields; }; @@ -770,7 +767,7 @@ void dal_ddc_service_read_scdc_data(struct ddc_service *ddc_service) sizeof(scramble_status)); offset = HDMI_SCDC_STATUS_FLAGS; dal_ddc_service_query_ddc_data(ddc_service, slave_address, - &offset, sizeof(offset), status_data.byte, + &offset, sizeof(offset), &status_data.byte, sizeof(status_data.byte)); } } |