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Neil Armstrong e20c29aa72 drm: bridge: dw-hdmi: fix input format/encoding from plat_data

The plat_data->input_bus_format and plat_data->input_bus_encoding
are unsigned long and are always >=0, but the value 0 was still
considered as RGB888 for input_bus_format and default color space
for input_bus_encoding in the reworked code.

This patch changes the if statement check for a non-zero value to
either use the default input bus_format and/or bus_encoding for a zero
value and the provided bus_format and/or bus_encoding for a
non zero value.

Thanks to Dan Carpenter for his bug report at [1].

Tested on Amlogic P230 (with CSC enabled for YUV444 to RGB) and Rockchip
RK3288 ACT8846 EVB Board (no CSC involved, direct RGB passthrough).

[1] http://lkml.kernel.org/r/20170406052120.GA26578@mwanda

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: def23aa7e982 ("drm: bridge: dw-hdmi: Switch to V4L bus format and encodings")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
[narmstrong@baylibre.com: reworded commit message and added Fixes tag]
Link: http://patchwork.freedesktop.org/patch/msgid/1491471244-24989-1-git-send-email-narmstrong@baylibre.com

2017-04-07 11:06:53 +02:00

adv7511

drm: convert drivers to use of_graph_get_remote_node

2017-04-06 17:00:27 -04:00

analogix

drm/bridge: analogix_dp: add helpers for capture of frame CRCs

2017-03-06 12:14:27 -05:00

synopsys

drm: bridge: dw-hdmi: fix input format/encoding from plat_data

2017-04-07 11:06:53 +02:00

analogix-anx78xx.c

drm/bridge: Call drm_connector_cleanup directly