The patch adds code to get signal polarization setting
from device tree display-timings node.
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 9 +++++++++
1 file changed, 9 insertions(+)
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) {
--
1.8.1.2
--
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