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drm/exynos: dsi: Add support for panel prepare and unprepare routines

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Modify exynos_dsi driver to support the new panel calls:
prepare and unprepare.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Ajay Kumar 2014-07-31 23:12:06 +05:30 committed by Thierry Reding
parent 39bbde9cc0
commit cdfb8694dc
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/drm/exynos/exynos_drm_dsi.c
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@ -1115,7 +1115,7 @@ static int exynos_dsi_enable(struct exynos_dsi *dsi)
if (ret < 0)
return ret;
ret = drm_panel_enable(dsi->panel);
ret = drm_panel_prepare(dsi->panel);
if (ret < 0) {
exynos_dsi_poweroff(dsi);
return ret;
@ -1124,6 +1124,14 @@ static int exynos_dsi_enable(struct exynos_dsi *dsi)
exynos_dsi_set_display_mode(dsi);
exynos_dsi_set_display_enable(dsi, true);
ret = drm_panel_enable(dsi->panel);
if (ret < 0) {
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;
@ -1134,8 +1142,9 @@ static void exynos_dsi_disable(struct exynos_dsi *dsi)
if (!(dsi->state & DSIM_STATE_ENABLED))
return;
exynos_dsi_set_display_enable(dsi, false);
drm_panel_disable(dsi->panel);
exynos_dsi_set_display_enable(dsi, false);
drm_panel_unprepare(dsi->panel);
exynos_dsi_poweroff(dsi);
dsi->state &= ~DSIM_STATE_ENABLED;