diff options
| author | Zhan Liu | 2022-01-28 22:03:59 +0800 |
|---|---|---|
| committer | Alex Deucher | 2022-02-02 18:35:00 -0500 |
| commit | 49a6ebb95d04bdaa5d57313a380c44249cf02100 (patch) | |
| tree | 83ac5a270904b2e87c9a10e6a836ad61426aa8df /drivers/gpu | |
| parent | f5fa54f45ab41cbb1f99b1208f49554132ffb207 (diff) | |
drm/amd/display: revert "Reset fifo after enable otg"
[Why]
This change causes regression, that prevents some systems
from lighting up internal displays.
[How]
Revert this patch until a new solution is ready.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Zhan Liu <Zhan.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
6 files changed, 0 insertions, 31 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index f3ff141b706a..26ec69bb5db9 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1608,11 +1608,6 @@ static enum dc_status apply_single_controller_ctx_to_hw( pipe_ctx->stream_res.stream_enc, pipe_ctx->stream_res.tg->inst); - if (dc_is_embedded_signal(pipe_ctx->stream->signal) && - pipe_ctx->stream_res.stream_enc->funcs->reset_fifo) - pipe_ctx->stream_res.stream_enc->funcs->reset_fifo( - pipe_ctx->stream_res.stream_enc); - if (dc_is_dp_signal(pipe_ctx->stream->signal)) dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG); diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index bf4436d7aaab..b0c08ee6bc2c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -902,19 +902,6 @@ void enc1_stream_encoder_stop_dp_info_packets( } -void enc1_stream_encoder_reset_fifo( - struct stream_encoder *enc) -{ - struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); - - /* set DIG_START to 0x1 to reset FIFO */ - REG_UPDATE(DIG_FE_CNTL, DIG_START, 1); - udelay(100); - - /* write 0 to take the FIFO out of reset */ - REG_UPDATE(DIG_FE_CNTL, DIG_START, 0); -} - void enc1_stream_encoder_dp_blank( struct dc_link *link, struct stream_encoder *enc) @@ -1600,8 +1587,6 @@ static const struct stream_encoder_funcs dcn10_str_enc_funcs = { enc1_stream_encoder_send_immediate_sdp_message, .stop_dp_info_packets = enc1_stream_encoder_stop_dp_info_packets, - .reset_fifo = - enc1_stream_encoder_reset_fifo, .dp_blank = enc1_stream_encoder_dp_blank, .dp_unblank = diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h index a146a41f68e9..687d7e4bf7ca 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h @@ -626,9 +626,6 @@ void enc1_stream_encoder_send_immediate_sdp_message( void enc1_stream_encoder_stop_dp_info_packets( struct stream_encoder *enc); -void enc1_stream_encoder_reset_fifo( - struct stream_encoder *enc); - void enc1_stream_encoder_dp_blank( struct dc_link *link, struct stream_encoder *enc); 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 8a70f92795c2..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 @@ -593,8 +593,6 @@ static const struct stream_encoder_funcs dcn20_str_enc_funcs = { enc1_stream_encoder_send_immediate_sdp_message, .stop_dp_info_packets = enc1_stream_encoder_stop_dp_info_packets, - .reset_fifo = - enc1_stream_encoder_reset_fifo, .dp_blank = enc1_stream_encoder_dp_blank, .dp_unblank = diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c index 8daa12730bc1..a04ca4a98392 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c @@ -789,8 +789,6 @@ static const struct stream_encoder_funcs dcn30_str_enc_funcs = { enc3_stream_encoder_update_dp_info_packets, .stop_dp_info_packets = enc1_stream_encoder_stop_dp_info_packets, - .reset_fifo = - enc1_stream_encoder_reset_fifo, .dp_blank = enc1_stream_encoder_dp_blank, .dp_unblank = diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h index 073f8b667eff..c88e113b94d1 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h @@ -164,10 +164,6 @@ struct stream_encoder_funcs { void (*stop_dp_info_packets)( struct stream_encoder *enc); - void (*reset_fifo)( - struct stream_encoder *enc - ); - void (*dp_blank)( struct dc_link *link, struct stream_encoder *enc); |