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Commit 69ea2248 authored by Veera Sundaram Sankaran's avatar Veera Sundaram Sankaran Committed by Gerrit - the friendly Code Review server
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drm/msm/dsi-staging: avoid ctl soft reset when cont-splash is enabled 



Avoid resetting the dsi ctrl when continuous splash screen is
enabled as it might cause flicker during the transition from
UEFI to kernel.

Change-Id: I0f9a28867fb83c26d39a2212916273cd686d7d23
Signed-off-by: default avatarVeera Sundaram Sankaran <veeras@codeaurora.org>
parent 25e45574

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

+10 −9
Original line number Diff line number Diff line
@@ -5033,18 +5033,19 @@ int dsi_display_prepare(struct dsi_display *display) 
		goto error_host_engine_off;

	}



	if (!display->is_cont_splash_enabled) {

		/*

		 * For continuous splash usecase, skip panel prepare and

		 * ctl reset since the pnael and ctrl is already in active

		 * state and panel on commands are not needed

		 */

		rc = dsi_display_soft_reset(display);

		if (rc) {

		pr_err("[%s] failed soft reset, rc=%d\n", display->name, rc);

			pr_err("[%s] failed soft reset, rc=%d\n",

					display->name, rc);

			goto error_ctrl_link_off;

		}



	if (!display->is_cont_splash_enabled) {

		/*

		 * For continuous splash usecase we skip panel

		 * prepare since the pnael is already in

		 * active state and panel on commands are not needed

		 */

		rc = dsi_panel_prepare(display->panel);

		if (rc) {

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