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Commit 7f4596f4 authored by Vikas Sajjan's avatar Vikas Sajjan Committed by Inki Dae
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drm/exynos: Add display-timing node parsing using video helper function 



Add support for parsing the display-timing node using video helper
function.

The DT node parsing is done only if 'dev.of_node'
exists and the NON-DT logic is still maintained under the 'else' part.

Signed-off-by: default avatarLeela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: default avatarVikas Sajjan <vikas.sajjan@linaro.org>
Acked-by: default avatarJoonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 7ddcc736

drivers/gpu/drm/exynos/exynos_drm_fimd.c

+20 −4
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/of_device.h>

#include <linux/pm_runtime.h>



#include <video/of_display_timing.h>

#include <video/samsung_fimd.h>

#include <drm/exynos_drm.h>
@@ -884,11 +885,26 @@ static int fimd_probe(struct platform_device *pdev) 


	DRM_DEBUG_KMS("%s\n", __FILE__);



	if (pdev->dev.of_node) {

		pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);

		if (!pdata) {

			DRM_ERROR("memory allocation for pdata failed\n");

			return -ENOMEM;

		}



		ret = of_get_fb_videomode(dev->of_node, &pdata->panel.timing,

					OF_USE_NATIVE_MODE);

		if (ret) {

			DRM_ERROR("failed: of_get_fb_videomode() : %d\n", ret);

			return ret;

		}

	} else {

		pdata = pdev->dev.platform_data;

		if (!pdata) {

		dev_err(dev, "no platform data specified\n");

			DRM_ERROR("no platform data specified\n");

			return -EINVAL;

		}

	}



	panel = &pdata->panel;

	if (!panel) {