From 7596936260f7294bda4f568137c889cdc2b2ae45 Mon Sep 17 00:00:00 2001 From: Ilya Date: Wed, 15 Sep 2021 17:37:59 -0400 Subject: drm/amd/display: Add PPS immediate update flag for DCN2 [Why] This change is needed for DCN2 to make use of the immediate_update flag. With this flag, update to PPS will be immediate, rather than always taking place on dig_update signal. [How] Set AFMT_GENERIC7_FRAME/IMMEDIATE_UPDATE bits depending on flag value. Reviewed-by: Wenjing Liu Acked-by: Anson Jacob Signed-off-by: Ilya Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c | 5 +++++ drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c | 9 ++++++--- 2 files changed, 11 insertions(+), 3 deletions(-) (limited to 'drivers/gpu') diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c index f6e747f25ebe..c90b8516dcc1 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c @@ -467,6 +467,11 @@ void optc2_lock_doublebuffer_enable(struct timing_generator *optc) (h_blank_start - 200 - 1) / optc1->opp_count, MASTER_UPDATE_LOCK_DB_Y, v_blank_start - 1); + + REG_SET_3(OTG_VUPDATE_KEEPOUT, 0, + MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET, 0, + MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET, 100, + OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 1); } void optc2_lock_doublebuffer_disable(struct timing_generator *optc) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c index 11c50b508754..aab25ca8343a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c @@ -211,7 +211,8 @@ static void enc2_stream_encoder_stop_hdmi_info_packets( /* Update GSP7 SDP 128 byte long */ static void enc2_update_gsp7_128_info_packet( struct dcn10_stream_encoder *enc1, - const struct dc_info_packet_128 *info_packet) + const struct dc_info_packet_128 *info_packet, + bool immediate_update) { uint32_t i; @@ -266,7 +267,9 @@ static void enc2_update_gsp7_128_info_packet( REG_WRITE(AFMT_GENERIC_7, *content++); } - REG_UPDATE(AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC7_FRAME_UPDATE, 1); + REG_UPDATE_2(AFMT_VBI_PACKET_CONTROL1, + AFMT_GENERIC7_FRAME_UPDATE, !immediate_update, + AFMT_GENERIC7_IMMEDIATE_UPDATE, immediate_update); } /* Set DSC-related configuration. @@ -309,7 +312,7 @@ static void enc2_dp_set_dsc_pps_info_packet(struct stream_encoder *enc, pps_sdp.hb2 = 127; pps_sdp.hb3 = 0; memcpy(&pps_sdp.sb[0], dsc_packed_pps, sizeof(pps_sdp.sb)); - enc2_update_gsp7_128_info_packet(enc1, &pps_sdp); + enc2_update_gsp7_128_info_packet(enc1, &pps_sdp, immediate_update); /* Enable Generic Stream Packet 7 (GSP) transmission */ //REG_UPDATE(DP_SEC_CNTL, -- cgit v1.2.3