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| author |   Eric Bernstein <eric.bernstein@amd.com> | 2018-05-25 11:57:26 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-06-15 12:24:50 -0500 |
| commit | 12036586a368b8c949d4e6e57ae3b40c41daf17a (patch) | |
| tree | 9efa99cbfe97f6b9c0848d93693de1f5c979108f /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | |
| parent | drm/amd/display: create sink_id in dc_sink structure to idenitify all sinks (diff) | |
| download | linux-dev-12036586a368b8c949d4e6e57ae3b40c41daf17a.tar.xz linux-dev-12036586a368b8c949d4e6e57ae3b40c41daf17a.zip | |
drm/amd/display: Allow DP register double buffer
Remove setting DP_DB_DISABLE to avoid issues when changing
bit depth after vbios take over.
Refactor code to perform single register update for both
pixel encoding and component depth fields.
Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | 44 |
1 files changed, 19 insertions, 25 deletions
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 c6a13d0486bb..6f9078f3c4d3 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 @@ -257,20 +257,18 @@ void enc1_stream_encoder_dp_set_stream_attribute( uint8_t colorimetry_bpc; uint8_t dynamic_range_rgb = 0; /*full range*/ uint8_t dynamic_range_ycbcr = 1; /*bt709*/ + uint8_t dp_pixel_encoding = 0; + uint8_t dp_component_depth = 0; struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); - REG_UPDATE(DP_DB_CNTL, DP_DB_DISABLE, 1); - /* set pixel encoding */ switch (crtc_timing->pixel_encoding) { case PIXEL_ENCODING_YCBCR422: - REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING, - DP_PIXEL_ENCODING_TYPE_YCBCR422); + dp_pixel_encoding = DP_PIXEL_ENCODING_TYPE_YCBCR422; break; case PIXEL_ENCODING_YCBCR444: - REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING, - DP_PIXEL_ENCODING_TYPE_YCBCR444); + dp_pixel_encoding = DP_PIXEL_ENCODING_TYPE_YCBCR444; if (crtc_timing->flags.Y_ONLY) if (crtc_timing->display_color_depth != COLOR_DEPTH_666) @@ -278,8 +276,8 @@ void enc1_stream_encoder_dp_set_stream_attribute( * Color depth of Y-only could be * 8, 10, 12, 16 bits */ - REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING, - DP_PIXEL_ENCODING_TYPE_Y_ONLY); + dp_pixel_encoding = DP_PIXEL_ENCODING_TYPE_Y_ONLY; + /* Note: DP_MSA_MISC1 bit 7 is the indicator * of Y-only mode. * This bit is set in HW if register @@ -287,13 +285,11 @@ void enc1_stream_encoder_dp_set_stream_attribute( */ break; case PIXEL_ENCODING_YCBCR420: - REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING, - DP_PIXEL_ENCODING_TYPE_YCBCR420); + dp_pixel_encoding = DP_PIXEL_ENCODING_TYPE_YCBCR420; REG_UPDATE(DP_VID_TIMING, DP_VID_N_MUL, 1); break; default: - REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING, - DP_PIXEL_ENCODING_TYPE_RGB444); + dp_pixel_encoding = DP_PIXEL_ENCODING_TYPE_RGB444; break; } @@ -314,32 +310,30 @@ void enc1_stream_encoder_dp_set_stream_attribute( /* set color depth */ switch (crtc_timing->display_color_depth) { case COLOR_DEPTH_666: - REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, - 0); + dp_component_depth = DP_COMPONENT_PIXEL_DEPTH_6BPC; break; case COLOR_DEPTH_888: - REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, - DP_COMPONENT_PIXEL_DEPTH_8BPC); + dp_component_depth = DP_COMPONENT_PIXEL_DEPTH_8BPC; break; case COLOR_DEPTH_101010: - REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, - DP_COMPONENT_PIXEL_DEPTH_10BPC); - + dp_component_depth = DP_COMPONENT_PIXEL_DEPTH_10BPC; break; case COLOR_DEPTH_121212: - REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, - DP_COMPONENT_PIXEL_DEPTH_12BPC); + dp_component_depth = DP_COMPONENT_PIXEL_DEPTH_12BPC; break; case COLOR_DEPTH_161616: - REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, - DP_COMPONENT_PIXEL_DEPTH_16BPC); + dp_component_depth = DP_COMPONENT_PIXEL_DEPTH_16BPC; break; default: - REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, - DP_COMPONENT_PIXEL_DEPTH_6BPC); + dp_component_depth = DP_COMPONENT_PIXEL_DEPTH_6BPC; break; } + /* Set DP pixel encoding and component depth */ + REG_UPDATE_2(DP_PIXEL_FORMAT, + DP_PIXEL_ENCODING, dp_pixel_encoding, + DP_COMPONENT_DEPTH, dp_component_depth); + /* set dynamic range and YCbCr range */ switch (crtc_timing->display_color_depth) { |