With the current implementation of collecting edid modes,
in case rb mode exists for a non rb mode of same resolution and
vrefresh, the non-rb mode is never fed to display controller to be
probed, as a result we lose on using the non-rb mode, if the display
controller does not support rb mode but supports non-rb.
For instance in case of 1680x1050@60Hz:
with monitor whose EDID supports RB,
if connected to display controller does not support 1680x1050@60Hz RB but it
supports 1680x1050@60Hz, with the current implementation the non-rb mode
1680x1050@60Hz is not listed in connectors probed modes and hence on running
xrandr is not listed.
V2: Incorporate review comments by Adam Jackson
remove suffix of 'rb'
Shirish S (1):
drm: edid: enable probing and listing of non rb modes
drivers/gpu/drm/drm_edid.c | 40 ++++++++++++++++++----------------------
1 file changed, 18 insertions(+), 22 deletions(-)
--
1.7.9.5
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