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| author | Vikas Sajjan <vikas.sajjan@linaro.org> | 2013-03-07 10:45:21 +0400 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2013-04-16 19:06:46 +0400 |
| commit | 7f4596f4aebcc9fcf2d50d3fe398508d710c4dd0 (patch) | |
| tree | c9d0bb4ea712a90c08f6da5da71a8c4645ba10a7 /drivers/gpu/drm/exynos | |
| parent | 7ddcc7364a93d18b80967b3a9b3f6aea107323f6 (diff) | |
| download | linux-7f4596f4aebcc9fcf2d50d3fe398508d710c4dd0.tar.xz | |
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: Leela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: Vikas Sajjan <vikas.sajjan@linaro.org>
Acked-by: Joonyoung Shim <jy0922.shim@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.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 98cc14725ba9..ebb77e46fb19 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -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> @@ -884,10 +885,25 @@ static int fimd_probe(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_err(dev, "no platform data specified\n"); - return -EINVAL; + 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) { + DRM_ERROR("no platform data specified\n"); + return -EINVAL; + } } panel = &pdata->panel; |