drm/msm/mdp5: Reset CTL blend registers before configuring them

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Assigning LMs dynamically to CRTCs results in REG_MDP5_CTL_LAYER_REGs
and REG_MDP5_CTL_LAYER_EXT_REGs maintaining old values for a LM that
isn't used by our CTL instance anymore.

Clear the ctl's CTL_LAYER_REG and CTL_LAYER_EXT_REGs for all LM
instances. The ones that need to be configured are configured later
in this func.

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

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Archit Taneja 2017-03-23 15:58:16 +05:30 • committed by Rob Clark

parent 8480adacfd

commit 0d1d3e4465

1 changed files with 18 additions and 0 deletions

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drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c

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