diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c index 565f12dd179a..814f401db3b3 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c @@ -150,9 +150,9 @@ static void dcn31_hpo_dp_stream_enc_dp_blank( * 10us*5000=50ms. This covers 41.7ms of minimum 24 Hz mode + * a little more because we may not trust delay accuracy. */ - //REG_WAIT(DP_SYM32_ENC_VID_STREAM_CONTROL, - // VID_STREAM_STATUS, 0, - // 10, 5000); + REG_WAIT(DP_SYM32_ENC_VID_STREAM_CONTROL, + VID_STREAM_STATUS, 0, + 10, 5000); /* Disable SDP tranmission */ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, @@ -197,7 +197,7 @@ static void dcn31_hpo_dp_stream_enc_set_stream_attribute( uint32_t h_back_porch; uint32_t h_width; uint32_t v_height; - unsigned long long v_freq; + uint64_t v_freq; uint8_t misc0 = 0; uint8_t misc1 = 0; uint8_t hsp; @@ -358,9 +358,9 @@ static void dcn31_hpo_dp_stream_enc_set_stream_attribute( h_width = hw_crtc_timing.h_border_left + hw_crtc_timing.h_addressable + hw_crtc_timing.h_border_right; v_height = hw_crtc_timing.v_border_top + hw_crtc_timing.v_addressable + hw_crtc_timing.v_border_bottom; - hsp = hw_crtc_timing.flags.HSYNC_POSITIVE_POLARITY ? 0x80 : 0; - vsp = hw_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ? 0x80 : 0; - v_freq = hw_crtc_timing.pix_clk_100hz * 100; + hsp = hw_crtc_timing.flags.HSYNC_POSITIVE_POLARITY ? 0 : 0x80; + vsp = hw_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ? 0 : 0x80; + v_freq = (uint64_t)hw_crtc_timing.pix_clk_100hz * 100; /* MSA Packet Mapping to 32-bit Link Symbols - DP2 spec, section 2.7.4.1 * @@ -436,32 +436,28 @@ static void dcn31_hpo_dp_stream_enc_update_dp_info_packets( { struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); uint32_t dmdata_packet_enabled = 0; - bool sdp_stream_enable = false; - if (info_frame->vsc.valid) { + if (info_frame->vsc.valid) enc->vpg->funcs->update_generic_info_packet( enc->vpg, 0, /* packetIndex */ &info_frame->vsc, true); - sdp_stream_enable = true; - } - if (info_frame->spd.valid) { + + if (info_frame->spd.valid) enc->vpg->funcs->update_generic_info_packet( enc->vpg, 2, /* packetIndex */ &info_frame->spd, true); - sdp_stream_enable = true; - } - if (info_frame->hdrsmd.valid) { + + if (info_frame->hdrsmd.valid) enc->vpg->funcs->update_generic_info_packet( enc->vpg, 3, /* packetIndex */ &info_frame->hdrsmd, true); - sdp_stream_enable = true; - } + /* enable/disable transmission of packet(s). * If enabled, packet transmission begins on the next frame */ @@ -710,6 +706,16 @@ static void dcn31_hpo_dp_stream_enc_read_state( } } +static void dcn31_set_hblank_min_symbol_width( + struct hpo_dp_stream_encoder *enc, + uint16_t width) +{ + struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc); + + REG_SET(DP_SYM32_ENC_HBLANK_CONTROL, 0, + HBLANK_MINIMUM_SYMBOL_WIDTH, width); +} + static const struct hpo_dp_stream_encoder_funcs dcn30_str_enc_funcs = { .enable_stream = dcn31_hpo_dp_stream_enc_enable_stream, .dp_unblank = dcn31_hpo_dp_stream_enc_dp_unblank, @@ -725,6 +731,7 @@ static const struct hpo_dp_stream_encoder_funcs dcn30_str_enc_funcs = { .dp_audio_enable = dcn31_hpo_dp_stream_enc_audio_enable, .dp_audio_disable = dcn31_hpo_dp_stream_enc_audio_disable, .read_state = dcn31_hpo_dp_stream_enc_read_state, + .set_hblank_min_symbol_width = dcn31_set_hblank_min_symbol_width, }; void dcn31_hpo_dp_stream_encoder_construct( |