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drm/i915/icl: Don't update enabled dbuf slices struct until updated in hw
author
Mahesh Kumar
<mahesh1.kumar@intel.com>
Thu, 17 May 2018 13:26:26 +0000
(18:56 +0530)
committer
Jani Nikula
<jani.nikula@intel.com>
Thu, 7 Jun 2018 08:39:15 +0000
(11:39 +0300)
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:
aa9664ffe863
("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
6ceb7277173597eeed8d635e08db51e35235ab21
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
drivers/gpu/drm/i915/intel_pm.c
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diff --git
a/drivers/gpu/drm/i915/intel_pm.c
b/drivers/gpu/drm/i915/intel_pm.c
index
b85229e
..
53aaaa3
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_pm.c
+++ b/
drivers/gpu/drm/i915/intel_pm.c
@@
-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