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Commit 33b92c1e authored by Rodrigo Vivi's avatar Rodrigo Vivi Committed by Daniel Vetter
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drm/i915/cnl: Fix RMW on ddi vswing sequence.



Paulo noticed that we were missing few bits clear
before writing values back to the register on
these RMW MMIO operations.

v2: Remove "POST_" from CURSOR_COEFF_MASK. (Paulo).
v3: Remove unnecessary braces. (Jani).

Fixes: cf54ca8b ("drm/i915/cnl: Implement voltage swing sequence.")
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1497897572-22520-1-git-send-email-rodrigo.vivi@intel.com


(cherry picked from commit 1f588aeb)
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 047b8e21
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