Commit 236124d1 authored by Chris Park's avatar Chris Park Committed by Alex Deucher
Browse files

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: default avatarCharlene Liu <Charlene.Liu@amd.com>
Acked-by: default avatarSolomon Chiu <solomon.chiu@amd.com>
Signed-off-by: default avatarChris Park <chris.park@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c4e85551

drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c

+2 −5
Original line number Diff line number Diff line
@@ -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));

	}

}