Revert "drm/bridge: lt9611: Do not generate HFP/HBP/HSA and EOT packet"
authorNeil Armstrong <neil.armstrong@linaro.org>
Wed, 2 Aug 2023 08:52:22 +0000 (10:52 +0200)
committerNeil Armstrong <neil.armstrong@linaro.org>
Fri, 4 Aug 2023 08:26:29 +0000 (10:26 +0200)
commit3c6bd1b7e2043fb00ce6b622709d176609431406
tree8dda65c3caad3f175acfd8041d07dc023048aa0f
parent421dabcad1c69e02a41c0d601aefbc29ee3f5368
Revert "drm/bridge: lt9611: Do not generate HFP/HBP/HSA and EOT packet"

This reverts commit 8ddce13ae696 ("drm/bridge: lt9611: Do not generate
HFP/HBP/HSA and EOT packet") to fix display regression on the Dragonboard
845c (SDM845) devboard.

There's a mismatch on the real action of the following flags:
- MIPI_DSI_MODE_VIDEO_NO_HSA
- MIPI_DSI_MODE_VIDEO_NO_HFP
- MIPI_DSI_MODE_VIDEO_NO_HBP
which leads to a non-working display on qcom platforms.

Cc: Marek Vasut <marex@denx.de>
Cc: Robert Foss <rfoss@kernel.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Abhinav Kumar <quic_abhinavk@quicinc.com>
Fixes: 8ddce13ae696 ("drm/bridge: lt9611: Do not generate HFP/HBP/HSA and EOT packet")
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Closes: https://lore.kernel.org/r/CAMi1Hd0TD=2z_=bcDrht3H_wiLvAFcv8Z-U_r_KUOoeMc6UMjw@mail.gmail.com/
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #fix db845c
[narmstrong: fixed commit message format]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230802-revert-do-not-generate-hfp-hbp-hsa-eot-packet-v1-1-f8a20084e15a@linaro.org
drivers/gpu/drm/bridge/lontium-lt9611.c