diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 643935027638..af14c7cd12e2 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -636,8 +636,7 @@ err: static int tc_get_display_props(struct tc_data *tc) { int ret; - /* temp buffer */ - u8 tmp[8]; + u8 reg; /* Read DP Rx Link Capability */ ret = drm_dp_link_probe(&tc->aux, &tc->link.base); @@ -653,21 +652,21 @@ static int tc_get_display_props(struct tc_data *tc) tc->link.base.num_lanes = 2; } - ret = drm_dp_dpcd_readb(&tc->aux, DP_MAX_DOWNSPREAD, tmp); + ret = drm_dp_dpcd_readb(&tc->aux, DP_MAX_DOWNSPREAD, ®); if (ret < 0) goto err_dpcd_read; - tc->link.spread = tmp[0] & DP_MAX_DOWNSPREAD_0_5; + tc->link.spread = reg & DP_MAX_DOWNSPREAD_0_5; - ret = drm_dp_dpcd_readb(&tc->aux, DP_MAIN_LINK_CHANNEL_CODING, tmp); + ret = drm_dp_dpcd_readb(&tc->aux, DP_MAIN_LINK_CHANNEL_CODING, ®); if (ret < 0) goto err_dpcd_read; tc->link.scrambler_dis = false; /* read assr */ - ret = drm_dp_dpcd_readb(&tc->aux, DP_EDP_CONFIGURATION_SET, tmp); + ret = drm_dp_dpcd_readb(&tc->aux, DP_EDP_CONFIGURATION_SET, ®); if (ret < 0) goto err_dpcd_read; - tc->link.assr = tmp[0] & DP_ALTERNATE_SCRAMBLER_RESET_ENABLE; + tc->link.assr = reg & DP_ALTERNATE_SCRAMBLER_RESET_ENABLE; dev_dbg(tc->dev, "DPCD rev: %d.%d, rate: %s, lanes: %d, framing: %s\n", tc->link.base.revision >> 4, tc->link.base.revision & 0x0f, |