[PATCH v13 1/2] video: 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 Signed-off-by: Vikas Sajjan Acked-by: Joonyoung Shim --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 24 1 file 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 9537761..e323cf9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -20,6 +20,7 @@ #include #include +#include #include #include @@ -883,10 +884,25 @@ 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, >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 = >panel; -- 1.7.9.5
[PATCH v13 1/2] video: 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.kris...@samsung.com Signed-off-by: Vikas Sajjan vikas.saj...@linaro.org Acked-by: Joonyoung Shim jy0922.s...@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 24 1 file 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 9537761..e323cf9 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 @@ -883,10 +884,25 @@ 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; -- 1.7.9.5 ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel