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disp: msm: sde: retain ubwc settings during LA to LE transition

Telusuri Sumber 
Setting hbb value based on the ddr type of the target is
not supported in trusted vm environment. Add changes to
retain the ubwc configuration programmed by LA during the
transition to LE environment.

Change-Id: I1fa308ea99f815cfe4d1c75a22dbb6f89a806007
Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>
This commit is contained in:
Krishna Manikandan
2020-11-26 15:29:54 +05:30
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msm/sde/sde_encoder.c
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@@ -2551,7 +2551,8 @@ static void _sde_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
sde_enc->cur_master->hw_mdptop);
if (sde_enc->cur_master->hw_mdptop &&
sde_enc->cur_master->hw_mdptop->ops.reset_ubwc)
sde_enc->cur_master->hw_mdptop->ops.reset_ubwc &&
!sde_in_trusted_vm(sde_kms))
sde_enc->cur_master->hw_mdptop->ops.reset_ubwc(
sde_enc->cur_master->hw_mdptop,
sde_kms->catalog);