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Commit d41bb38f authored by YoungJun Cho's avatar YoungJun Cho Committed by Inki Dae
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drm/exynos: dsi: move DSIM_STATE_ENABLED set position 



The command mode panel should draw image earlier than the display
on command execution to prevent showing garbage GRAM screen data.
So should set dsi->state as DSIM_STATE_ENABLED between calling
exynos_dsi_set_display_enable() and drm_panel_enable() to transmit
image data before executing display on command.
And moves the display on command execution routine from prepare()
to enable() in drm_panel_funcs also.

Signed-off-by: default avatarYoungJun Cho <yj44.cho@samsung.com>
Acked-by: default avatarInki Dae <inki.dae@samsung.com>
Acked-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent b301ae24

drivers/gpu/drm/exynos/exynos_drm_dsi.c

+3 −2
Original line number Diff line number Diff line
@@ -1381,16 +1381,17 @@ static int exynos_dsi_enable(struct exynos_dsi *dsi) 
	exynos_dsi_set_display_mode(dsi);

	exynos_dsi_set_display_enable(dsi, true);



	dsi->state |= DSIM_STATE_ENABLED;



	ret = drm_panel_enable(dsi->panel);

	if (ret < 0) {

		dsi->state &= ~DSIM_STATE_ENABLED;

		exynos_dsi_set_display_enable(dsi, false);

		drm_panel_unprepare(dsi->panel);

		exynos_dsi_poweroff(dsi);

		return ret;

	}



	dsi->state |= DSIM_STATE_ENABLED;



	return 0;

}