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authorAndrzej Hajda <a.hajda@samsung.com>2013-08-21 18:22:02 +0400
committerInki Dae <inki.dae@samsung.com>2013-09-05 08:43:44 +0400
commitb063f4af849e5f3a8a422dc10138814f58c73641 (patch)
tree40d73a41b10e6c752bfb45057df9db820b0d07df /drivers/gpu/drm/exynos
parent111e6055d4e0d35c6a4b6cd37d7bb00a88eaffb4 (diff)
downloadlinux-b063f4af849e5f3a8a422dc10138814f58c73641.tar.xz
drm/exynos: fimd: get signal polarities from device tree
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> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a183ea7dbd55..6afcaf164549 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) {