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Commit 55a17527 authored by Benjamin Chan's avatar Benjamin Chan
Browse files

msm: mdss: Avoid NULL mixer during partial update ROI setup 



Under MDSS suspend resume usecase, the mixer config might not be
setup and if a partial update is issued for the first frame, it is
necessary to avoid accessing the NULL mixer config.

CRs-Fixed: 2053822
Change-Id: I17c0b98805ce9395899e988032097740126fee83
Signed-off-by: default avatarBenjamin Chan <bkchan@codeaurora.org>
parent 25865f69

drivers/video/fbdev/msm/mdss_mdp.h

+2 −2
Original line number Diff line number Diff line
@@ -1107,9 +1107,9 @@ static inline enum mdss_mdp_pu_type mdss_mdp_get_pu_type( 


	if (!is_split_lm(mctl->mfd) || mdss_mdp_is_both_lm_valid(mctl))

		pu_type = MDSS_MDP_DEFAULT_UPDATE;

	else if (mctl->mixer_left->valid_roi)

	else if (mctl->mixer_left && mctl->mixer_left->valid_roi)

		pu_type = MDSS_MDP_LEFT_ONLY_UPDATE;

	else if (mctl->mixer_right->valid_roi)

	else if (mctl->mixer_right && mctl->mixer_right->valid_roi)

		pu_type = MDSS_MDP_RIGHT_ONLY_UPDATE;

	else

		pr_err("%s: invalid pu_type\n", __func__);