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Commit fae38bb1 authored by Krishna Manikandan's avatar Krishna Manikandan
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disp: msm: sde: avoid wb commit before cwb disable 



Add support to detect if a writeback commit is received
while cwb commit is going on. Allow writeback commit
only once the cwb commit is completed and cwb is
disabled.

Change-Id: I020659ed63f9ff660a905938a92a6ed6d07a4917
Signed-off-by: default avatarKrishna Manikandan <mkrishn@codeaurora.org>
parent f54bc0bf

msm/sde/sde_encoder_phys_wb.c

+8 −0
Original line number Diff line number Diff line
@@ -686,6 +686,7 @@ static int sde_encoder_phys_wb_atomic_check( 
	struct sde_rect wb_roi;

	const struct drm_display_mode *mode = &crtc_state->mode;

	int rc;

	bool clone_mode_curr = false;



	SDE_DEBUG("[atomic_check:%d,%d,\"%s\",%d,%d]\n",

			hw_wb->idx - WB_0, mode->base.id, mode->name,
@@ -701,8 +702,15 @@ static int sde_encoder_phys_wb_atomic_check( 
		return -EINVAL;

	}



	clone_mode_curr = phys_enc->in_clone_mode;



	_sde_enc_phys_wb_detect_cwb(phys_enc, crtc_state);



	if (clone_mode_curr && !phys_enc->in_clone_mode) {

		SDE_ERROR("WB commit before CWB disable\n");

		return -EINVAL;

	}



	memset(&wb_roi, 0, sizeof(struct sde_rect));



	rc = sde_wb_connector_state_get_output_roi(conn_state, &wb_roi);