diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index c57d85664e77..5131b3b0f7d2 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -405,13 +405,10 @@ static void dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE], /* get bpc from the EDID */ static int convert_bpc_to_bpp(int bpc) { -#if 0 if (bpc == 0) return 24; else return bpc * 3; -#endif - return 24; } /* get the max pix clock supported by the link rate and lane num */ @@ -463,7 +460,7 @@ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector, u8 dpcd[DP_DPCD_SIZE], int pix_clock) { - int bpp = convert_bpc_to_bpp(connector->display_info.bpc); + int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector)); int max_link_rate = dp_get_max_link_rate(dpcd); int max_lane_num = dp_get_max_lane_number(dpcd); int lane_num; @@ -482,7 +479,7 @@ static int radeon_dp_get_dp_link_clock(struct drm_connector *connector, u8 dpcd[DP_DPCD_SIZE], int pix_clock) { - int bpp = convert_bpc_to_bpp(connector->display_info.bpc); + int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector)); int lane_num, max_pix_clock; if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) == @@ -533,6 +530,23 @@ u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector) dig_connector->dp_i2c_bus->rec.i2c_id, 0); } +static void radeon_dp_probe_oui(struct radeon_connector *radeon_connector) +{ + struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; + u8 buf[3]; + + if (!(dig_connector->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT)) + return; + + if (radeon_dp_aux_native_read(radeon_connector, DP_SINK_OUI, buf, 3, 0)) + DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n", + buf[0], buf[1], buf[2]); + + if (radeon_dp_aux_native_read(radeon_connector, DP_BRANCH_OUI, buf, 3, 0)) + DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n", + buf[0], buf[1], buf[2]); +} + bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) { struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; @@ -546,6 +560,9 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) for (i = 0; i < 8; i++) DRM_DEBUG_KMS("%02x ", msg[i]); DRM_DEBUG_KMS("\n"); + + radeon_dp_probe_oui(radeon_connector); + return true; } dig_connector->dpcd[0] = 0; |