drm/msm/dsi: Enable widebus for DSI

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DSI 6G v2.5.x+ supports a data-bus widen mode that allows DSI to send
48 bits of compressed data instead of 24.

Enable this mode whenever DSC is enabled for supported chipsets.

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/553762/
Link: https://lore.kernel.org/r/20230822-add-widebus-support-v4-4-9dc86083d6ea@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

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Jessica Zhang 2023-08-22 10:42:07 -07:00 • committed by Dmitry Baryshkov

parent a5268fc161

commit efcbd6f9cd

3 changed files with 29 additions and 5 deletions

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2

drivers/gpu/drm/msm/dsi/dsi.c

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1

drivers/gpu/drm/msm/dsi/dsi.h

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31

drivers/gpu/drm/msm/dsi/dsi_host.c

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