Revision c725161924f9a5872a3e53b73345a6026a5c170e authored by Matt Roper on 28 February 2020, 00:43:19 UTC, committed by Jani Nikula on 02 March 2020, 08:48:20 UTC
It wasn't terribly clear from the bspec's wording, but after discussion
with the hardware folks, it turns out that we need to preserve the
pre-existing contents of the MBUS ABOX control register when
initializing a few specific bits.
Bspec: 49213
Bspec: 50096
Fixes: 4cb4585e5a7f ("drm/i915/icl: initialize MBus during display init")
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200204011032.582737-1-matthew.d.roper@intel.com
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
(cherry picked from commit 837b63e6087838d0f1e612d448405419199d8033)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200228004320.127142-1-matthew.d.roper@intel.com
1 parent 33e059a
| File | Mode | Size |
|---|---|---|
| include | ||
| .gitignore | -rw-r--r-- | 54 bytes |
| Kconfig | -rw-r--r-- | 7.1 KB |
| Makefile | -rw-r--r-- | 2.9 KB |
| default_cpio_list | -rw-r--r-- | 153 bytes |
| gen_init_cpio.c | -rw-r--r-- | 12.8 KB |
| gen_initramfs.sh | -rwxr-xr-x | 5.7 KB |
| initramfs_data.S | -rw-r--r-- | 1.2 KB |
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