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Searched refs:dpcd_buf (Results 1 – 3 of 3) sorted by relevance

/openbmc/linux/drivers/gpu/drm/amd/display/dc/link/protocols/
H A Dlink_dp_training.c521 uint8_t dpcd_buf[6] = {0}; in dp_check_link_loss_status() local
527 (uint8_t *)(dpcd_buf), in dp_check_link_loss_status()
528 sizeof(dpcd_buf)); in dp_check_link_loss_status()
535 lane_status.raw = dp_get_nibble_at_index(&dpcd_buf[2], lane); in dp_check_link_loss_status()
536 dpcd_lane_status_updated.raw = dpcd_buf[4]; in dp_check_link_loss_status()
566 uint8_t dpcd_buf[6] = {0}; in dp_get_lane_status_and_lane_adjust() local
580 (uint8_t *)(dpcd_buf), in dp_get_lane_status_and_lane_adjust()
581 sizeof(dpcd_buf)); in dp_get_lane_status_and_lane_adjust()
596 dp_get_nibble_at_index(&dpcd_buf[0], lane); in dp_get_lane_status_and_lane_adjust()
598 dp_get_nibble_at_index(&dpcd_buf[lane_adjust_offset], lane); in dp_get_lane_status_and_lane_adjust()
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/openbmc/linux/drivers/gpu/drm/display/
H A Ddrm_dp_helper.c3554 u8 dpcd_buf; in drm_edp_backlight_enable() local
3557 dpcd_buf = DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD; in drm_edp_backlight_enable()
3559 dpcd_buf = DP_EDP_BACKLIGHT_CONTROL_MODE_PWM; in drm_edp_backlight_enable()
3575 dpcd_buf |= DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE; in drm_edp_backlight_enable()
3578 ret = drm_dp_dpcd_writeb(aux, DP_EDP_BACKLIGHT_MODE_SET_REGISTER, dpcd_buf); in drm_edp_backlight_enable()
/openbmc/linux/drivers/gpu/drm/amd/display/dc/link/
H A Dlink_dpms.c1106 uint8_t dpcd_buf[3] = {0}; in get_lane_status() local
1115 dpcd_buf, in get_lane_status()
1116 sizeof(dpcd_buf)); in get_lane_status()
1119 status[lane].raw = dp_get_nibble_at_index(&dpcd_buf[0], lane); in get_lane_status()
1122 status_updated->raw = dpcd_buf[2]; in get_lane_status()