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[2/3] drm/exynos: fimd: get signal polarities from device tree

Message ID 1377094923-6919-3-git-send-email-a.hajda@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andrzej Hajda Aug. 21, 2013, 2:22 p.m. UTC 
The patch adds code to get signal polarization setting
from device tree display-timings node.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fimd.c | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a183ea7..6afcaf1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -915,6 +915,15 @@  static int fimd_probe(struct platform_device *pdev)
 			DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
 			return ret;
 		}
+
+		if (vm->flags & DISPLAY_FLAGS_VSYNC_LOW)
+			pdata->vidcon1 |= VIDCON1_INV_VSYNC;
+		if (vm->flags & DISPLAY_FLAGS_HSYNC_LOW)
+			pdata->vidcon1 |= VIDCON1_INV_HSYNC;
+		if (vm->flags & DISPLAY_FLAGS_DE_LOW)
+			pdata->vidcon1 |= VIDCON1_INV_VDEN;
+		if (vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
+			pdata->vidcon1 |= VIDCON1_INV_VCLK;
 	} else {
 		pdata = dev->platform_data;
 		if (!pdata) {