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drm/i915/icl: Don't update enabled dbuf slices struct until updated in hw

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Do not update number of enabled dbuf slices in dev_priv struct until we
actually enable/disable dbuf slice in hw. This is leading to never
updating dbuf slices and resulting in DBuf slice mismatch warning.

Fixes: aa9664ffe8 ("drm/i915/icl: Enable 2nd DBuf slice only when needed")
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180517132626.5885-1-mahesh1.kumar@intel.com
(cherry picked from commit 6ceb727717)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Mahesh Kumar 2018-05-17 18:56:26 +05:30 committed by Jani Nikula
parent 2f08b23d70
commit 197af5f213
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/i915/intel_pm.c
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@ -5150,7 +5150,6 @@ skl_copy_ddb_for_pipe(struct skl_ddb_values *dst,
sizeof(dst->ddb.uv_plane[pipe]));
memcpy(dst->ddb.plane[pipe], src->ddb.plane[pipe],
sizeof(dst->ddb.plane[pipe]));
dst->ddb.enabled_slices = src->ddb.enabled_slices;
}
static void