<html><body><p> <pre> Hi, Jason: Would you clarify this problem? Regards, CK On Mon, 2024-09-30 at 12:48 -0500, Adam Thiede wrote: > > External email : Please do not click links or open attachments until you have verified the sender or the content. > On 6/19/24 11:38, Hsiao Chien Sung via B4 Relay wrote: > > From: Hsiao Chien Sung <shawn.sung@mediatek.com> > > > > Set the plane alpha according to DRM plane property. > > > > Reviewed-by: CK Hu <ck.hu@mediatek.com> > > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > > Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.") > > Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com> > > --- > > drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 6 ++++-- > > 1 file changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > index 943db4f1bd6b..4b370bc0746d 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > @@ -458,8 +458,10 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, > > } > > > > con = ovl_fmt_convert(ovl, fmt); > > -if (state->base.fb && state->base.fb->format->has_alpha) > > -con |= OVL_CON_AEN | OVL_CON_ALPHA; > > +if (state->base.fb) { > > +con |= OVL_CON_AEN; > > +con |= state->base.alpha & OVL_CON_ALPHA; > > +} > > > > /* CONST_BLD must be enabled for XRGB formats although the alpha channel > > * can be ignored, or OVL will still read the value from memory. > > > Hello, I believe that this commit has caused a problem for my Lenovo > C330 Chromebook running postmarketOS. > > With kernel 6.11 this device didn't show any text on the tty or splash > screen during booting, but graphical environments (wayland, xorg) do > appear. With a few bisects I found it to be this commit. With it > reverted I'm able to get text on the tty again. > > The kernel config is here: > https://gitlab.com/adamthiede/pmaports/-/tree/mt8173-611/device/community/linux-postmarketos-mediatek-mt8173/ > To be perfectly clear, this device is not running Chrome OS. > > I'm still rather new at this so it's also likely I got something wrong > or have a bad configuration option. If there is any more information I > can provide please let me know. Thank you. > > - Adam Thiede </pre> </p></body></html><pre>************* MEDIATEK Confidentiality Notice ******************** The information contained in this e-mail message (including any attachments) may be confidential, proprietary, privileged, or otherwise exempt from disclosure under applicable laws. It is intended to be conveyed only to the designated recipient(s). Any use, dissemination, distribution, printing, retaining or copying of this e-mail (including its attachments) by unintended recipient(s) is strictly prohibited and may be unlawful. If you are not an intended recipient of this e-mail, or believe that you have received this e-mail in error, please notify the sender immediately (by replying to this e-mail), delete any and all copies of this e-mail (including any attachments) from your system, and do not disclose the content of this e-mail to any other person. Thank you! </pre>