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| /linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_display_power.c | diff 5fd73c53701327e725cd4ca70decb5c9a61f3bac Fri Jun 12 22:47:34 CEST 2020 Matt Roper <matthew.d.roper@intel.com> drm/i915: Update bw_buddy pagemask table
A recent bspec update removed the LPDDR4 single channel entry from the
buddy register table, but added a new four-channel entry.
Workaround 1409767108 hasn't been updated with any guidance for four
channel configurations, so we leave that alternate table unchanged for
now.
Bspec 49218
Fixes: 3fa01d642fa7 ("drm/i915/tgl: Program BW_BUDDY registers during display init")
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200612204734.3674650-1-matthew.d.roper@intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit ecb40d0826fda213ebb58d49e7d5b4752480e130)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
diff ecb40d0826fda213ebb58d49e7d5b4752480e130 Fri Jun 12 22:47:34 CEST 2020 Matt Roper <matthew.d.roper@intel.com> drm/i915: Update bw_buddy pagemask table
A recent bspec update removed the LPDDR4 single channel entry from the
buddy register table, but added a new four-channel entry.
Workaround 1409767108 hasn't been updated with any guidance for four
channel configurations, so we leave that alternate table unchanged for
now.
Bspec 49218
Fixes: 3fa01d642fa7 ("drm/i915/tgl: Program BW_BUDDY registers during display init")
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200612204734.3674650-1-matthew.d.roper@intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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