Quoting Dmitry Baryshkov (2024-12-02 02:06:39) > Use msm_dp_utils_pack_sdp_header() and call msm_dp_write_link() directly > to program audio packet data. Use 0 as Packet ID, as it was not > programmed earlier. > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> > diff --git a/drivers/gpu/drm/msm/dp/dp_audio.c b/drivers/gpu/drm/msm/dp/dp_audio.c > index 5cbb11986460d1e4ed1890bdf66d0913e013083c..1aa52d5cc08684a49102e45ed6e40ac2b13497c7 100644 > --- a/drivers/gpu/drm/msm/dp/dp_audio.c > +++ b/drivers/gpu/drm/msm/dp/dp_audio.c [...] > + .HB0 = 0x00, > + .HB1 = 0x06, > + .HB2 = 0x0f, > + .HB3 = 0x00, > + }; > + u32 header[2]; > + u32 reg; > + > + /* XXX: is it necessary to preserve this field? */ Maybe qcom can comment. > + reg = msm_dp_read_link(catalog, MMSS_DP_AUDIO_ISRC_1); > + sdp_hdr.HB3 = FIELD_GET(HEADER_3_MASK, reg); > + > + msm_dp_utils_pack_sdp_header(&sdp_hdr, header); > +
