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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>
Andrzej Hajda 12 년 전
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1개의 변경된 파일9개의 추가작업 그리고 0개의 파일을 삭제
  1. 9 0
      drivers/gpu/drm/exynos/exynos_drm_fimd.c

+ 9 - 0
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) {