Hi, Jitao & Rex: Please help to comment on this patch. On Thu, 2022-04-07 at 21:19 -0400, Nícolas F. R. A. Prado wrote: > The configuration for mt8192 was incorrectly using the output formats > from mt8173. Since the output formats for mt8192 are instead the same > ones as for mt8183, which require two bus samples per pixel, the > pixelclock and DDR edge setting were misconfigured. This made > external > displays unable to show the image. > > Fix the issue by correcting the output format for mt8192 to be the > same > as for mt8183, fixing the usage of external displays for mt8192. > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/mediatek/mtk_dpi.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c > b/drivers/gpu/drm/mediatek/mtk_dpi.c > index 4554e2de1430..e61cd67b978f 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c > @@ -819,8 +819,8 @@ static const struct mtk_dpi_conf mt8192_conf = { > .cal_factor = mt8183_calculate_factor, > .reg_h_fre_con = 0xe0, > .max_clock_khz = 150000, > - .output_fmts = mt8173_output_fmts, > - .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), > + .output_fmts = mt8183_output_fmts, > + .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), > }; > > static int mtk_dpi_probe(struct platform_device *pdev)