https://github.com/torvalds/linux
Revision 40ce1121c1d76daf9048a86e36c83e469281b9fd authored by Jocelyn Falempe on 08 March 2022, 17:43:21 UTC, committed by Thomas Zimmermann on 13 March 2022, 19:35:06 UTC
commit f86c3ed55920 ("drm/mgag200: Split PLL setup into compute and
 update functions") introduced a regression for g200wb and g200ew.
The PLLs are not set up properly, and VGA screen stays
black, or displays "out of range" message.

MGA1064_WB_PIX_PLLC_N/M/P was mistakenly replaced with
MGA1064_PIX_PLLC_N/M/P which have different addresses.

Patch tested on a Dell T310 with g200wb

Fixes: f86c3ed55920 ("drm/mgag200: Split PLL setup into compute and update functions")
Cc: stable@vger.kernel.org
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220308174321.225606-1-jfalempe@redhat.com
1 parent 9470c29
Raw File
Tip revision: 40ce1121c1d76daf9048a86e36c83e469281b9fd authored by Jocelyn Falempe on 08 March 2022, 17:43:21 UTC
drm/mgag200: Fix PLL setup for g200wb and g200ew
Tip revision: 40ce112
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