drm/radeon: properly handle vbios fake edid sizing

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The comment in the vbios structure says:
// = 128 means EDID length is 128 bytes, otherwise the EDID length = ucFakeEDIDLength*128

This fake edid struct has not been used in a long time, so I'm
not sure if there were actually any boards out there with a non-128 byte
EDID, but align the code with the comment.

Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Reported-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lists.freedesktop.org/archives/amd-gfx/2024-June/109964.html
Fixes: c324acd503 ("drm/radeon/kms: parse the extended LCD info block")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Deucher 2024-07-23 13:31:58 -04:00

parent 8155566a26

commit 17c6baff3d

1 changed files with 16 additions and 13 deletions

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drivers/gpu/drm/radeon/radeon_atombios.c

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