diff options
| author | Charlene Liu | 2019-03-01 17:12:50 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-03-21 05:39:48 +0100 |
| commit | 7fe538a4d64135d8f8e4aca8d0aedf266958025c (patch) | |
| tree | 4acc1d7a90038a20cf4b823e7e5d5b5fe2b8927d /drivers/gpu/drm/amd/display/dc/dcn10 | |
| parent | drm/amd/display: Fix setting DP_VID_N_MUL (diff) | |
| download | kernel-qcow2-linux-7fe538a4d64135d8f8e4aca8d0aedf266958025c.tar.gz kernel-qcow2-linux-7fe538a4d64135d8f8e4aca8d0aedf266958025c.tar.xz kernel-qcow2-linux-7fe538a4d64135d8f8e4aca8d0aedf266958025c.zip | |
drm/amd/display: fix DP 422 VID_M half the rate issue.
[Description]
when programming VID_TIMING, we were using the original VESA timing for DP_VIDM/N.
for YCbCr420 or compressed YCbCr422, using half rate as YCbCr444.
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 25 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | 7 |
2 files changed, 28 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 5fcc69c56584..eef58536a6ac 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -2900,6 +2900,29 @@ static void dcn10_setup_vupdate_interrupt(struct pipe_ctx *pipe_ctx) tg->funcs->setup_vertical_interrupt2(tg, start_line); } +static void dcn10_unblank_stream(struct pipe_ctx *pipe_ctx, + struct dc_link_settings *link_settings) +{ + struct encoder_unblank_param params = { { 0 } }; + struct dc_stream_state *stream = pipe_ctx->stream; + struct dc_link *link = stream->link; + + /* only 3 items below are used by unblank */ + params.timing = pipe_ctx->stream->timing; + + params.link_settings.link_rate = link_settings->link_rate; + + if (dc_is_dp_signal(pipe_ctx->stream->signal)) { + if (params.timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) + params.timing.pix_clk_100hz /= 2; + pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(pipe_ctx->stream_res.stream_enc, ¶ms); + } + + if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) { + link->dc->hwss.edp_backlight_control(link, true); + } +} + static const struct hw_sequencer_funcs dcn10_funcs = { .program_gamut_remap = program_gamut_remap, .init_hw = dcn10_init_hw, @@ -2921,7 +2944,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = { .update_info_frame = dce110_update_info_frame, .enable_stream = dce110_enable_stream, .disable_stream = dce110_disable_stream, - .unblank_stream = dce110_unblank_stream, + .unblank_stream = dcn10_unblank_stream, .blank_stream = dce110_blank_stream, .enable_audio_stream = dce110_enable_audio_stream, .disable_audio_stream = dce110_disable_audio_stream, 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 d2a15d2e9561..0d46aa75361b 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 @@ -836,14 +836,15 @@ void enc1_stream_encoder_dp_unblank( uint64_t m_vid_l = n_vid; /* YCbCr 4:2:0 : Computed VID_M will be 2X the input rate */ - if (param->pixel_encoding == PIXEL_ENCODING_YCBCR420) + if (param->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) { + /*this param->pixel_clk_khz is half of 444 rate for 420 already*/ n_multiply = 1; - + } /* M / N = Fstream / Flink * m_vid / n_vid = pixel rate / link rate */ - m_vid_l *= param->pixel_clk_khz; + m_vid_l *= param->timing.pix_clk_100hz / 10; m_vid_l = div_u64(m_vid_l, param->link_settings.link_rate * LINK_RATE_REF_FREQ_IN_KHZ); |