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Commit 2a0dee1f authored by Shashank Babu Chinta Venkata's avatar Shashank Babu Chinta Venkata
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drm/msm/dsi-staging: Prevent modeset on first frame update 



DMS(Dynamic Mode Switch) is not expected to be turned on
during first frame update in continuous splash use case.

CRs-Fixed: 2180708
Change-Id: I1b3162c589577c69a235227022c2ad94b3596245
Signed-off-by: default avatarShashank Babu Chinta Venkata <sbchin@codeaurora.org>
parent 3c22344d

drivers/gpu/drm/msm/dsi-staging/dsi_display.c

+5 −2
Original line number Original line Diff line number Diff line
@@ -4954,12 +4954,15 @@ int dsi_display_prepare(struct dsi_display *display) 
	mode = display->panel->cur_mode;

	mode = display->panel->cur_mode;





	if (mode->dsi_mode_flags & DSI_MODE_FLAG_DMS) {

	if (mode->dsi_mode_flags & DSI_MODE_FLAG_DMS) {

		if (display->is_cont_splash_enabled) {

			pr_err("DMS is not supposed to be set on first frame\n");

			return -EINVAL;

		}

		/* update dsi ctrl for new mode */

		/* update dsi ctrl for new mode */

		rc = dsi_display_pre_switch(display);

		rc = dsi_display_pre_switch(display);

		if (rc)

		if (rc)

			pr_err("[%s] panel pre-prepare-res-switch failed, rc=%d\n",

			pr_err("[%s] panel pre-prepare-res-switch failed, rc=%d\n",

					display->name, rc);

					display->name, rc);



		goto error;

		goto error;

	}

	}