2013/3/1 Vikas Sajjan <vikas.sajjan@xxxxxxxxxx>: > 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@xxxxxxxxxxx> > Signed-off-by: Vikas Sajjan <vikas.sajjan@xxxxxxxxxx> > Acked-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> > --- > 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); Add "select OF_VIDEOMODE" and "select FB_MODE_HELPERS" to drivers/gpu/drm/exynos/Kconfig. When EXYNOS_DRM_FIMD config is selected, these two configs should also be selected. Thanks, Inki Dae > + 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@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html