diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index efd025d8961e..330ab036c830 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -44,6 +44,9 @@ #include "dm_helpers.h" #include "ddc_service_types.h" +/* MST Dock */ +static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA"; + /* dm_helpers_parse_edid_caps * * Parse edid caps @@ -511,8 +514,8 @@ bool dm_helpers_dp_read_dpcd( return false; } - return drm_dp_dpcd_read(&aconnector->dm_dp_aux.aux, address, - data, size) > 0; + return drm_dp_dpcd_read(&aconnector->dm_dp_aux.aux, address, data, + size) == size; } bool dm_helpers_dp_write_dpcd( @@ -568,7 +571,6 @@ bool dm_helpers_submit_i2c( return result; } -#if defined(CONFIG_DRM_AMD_DC_DCN) static bool execute_synaptics_rc_command(struct drm_dp_aux *aux, bool is_write_cmd, unsigned char cmd, @@ -736,7 +738,6 @@ static uint8_t write_dsc_enable_synaptics_non_virtual_dpcd_mst( return ret; } -#endif bool dm_helpers_dp_write_dsc_enable( struct dc_context *ctx, @@ -762,13 +763,11 @@ bool dm_helpers_dp_write_dsc_enable( if (!aconnector->dsc_aux) return false; -#if defined(CONFIG_DRM_AMD_DC_DCN) // apply w/a to synaptics if (needs_dsc_aux_workaround(aconnector->dc_link) && (aconnector->mst_downstream_port_present.byte & 0x7) != 0x3) return write_dsc_enable_synaptics_non_virtual_dpcd_mst( aconnector->dsc_aux, stream, enable_dsc); -#endif port = aconnector->mst_output_port; @@ -806,17 +805,13 @@ bool dm_helpers_dp_write_dsc_enable( } if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT || stream->signal == SIGNAL_TYPE_EDP) { -#if defined(CONFIG_DRM_AMD_DC_DCN) if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE) { -#endif ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); DC_LOG_DC("Send DSC %s to SST RX\n", enable_dsc ? "enable" : "disable"); -#if defined(CONFIG_DRM_AMD_DC_DCN) } else if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) { ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); DC_LOG_DC("Send DSC %s to DP-HDMI PCON\n", enable_dsc ? "enable" : "disable"); } -#endif } return ret; |