From: Ajay Kumar <ajaykumar.rs@samsung.com>
Date: Thu, 31 Jul 2014 17:42:07 +0000 (+0530)
Subject: drm/tegra: Add support for panel prepare and unprepare routines
X-Git-Tag: v4.9.8~5935^2~2^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0407ed8afe0cada72b0c28fd35c821fe3b235593;p=platform%2Fkernel%2Flinux-rpi3.git

drm/tegra: Add support for panel prepare and unprepare routines

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

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index a3e4f1e..9609bc3 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -140,7 +140,9 @@ static void tegra_encoder_dpms(struct drm_encoder *encoder, int mode)
 	if (mode != DRM_MODE_DPMS_ON) {
 		drm_panel_disable(panel);
 		tegra_output_disable(output);
+		drm_panel_unprepare(panel);
 	} else {
+		drm_panel_prepare(panel);
 		tegra_output_enable(output);
 		drm_panel_enable(panel);
 	}