On Wednesday 01 of May 2013 21:06:09 Tomasz Figa wrote: > This patch modifies the driver to perform two stage parsing of video > timings from device tree, to get timing information as struct videomode, > which contains more data than struct fb_videomode. > > Thanks to this change, information about polarity of control signals > (VSYNC, HSYNC, VDEN, VCLK) can be retrieved, in addition to standard > video timings. > > Signed-off-by: Tomasz Figa <tomasz.figa@xxxxxxxxx> > --- > drivers/gpu/drm/exynos/exynos_drm_fimd.c | 18 ++++++++++++++++-- > 1 file changed, 16 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c > b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index a1669d4..9023efa > 100644 > --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c > +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c > @@ -21,7 +21,9 @@ > #include <linux/pm_runtime.h> > > #include <video/of_display_timing.h> > +#include <video/of_videomode.h> > #include <video/samsung_fimd.h> > +#include <video/videomode.h> > #include <drm/exynos_drm.h> > > #include "exynos_drm_drv.h" > @@ -928,18 +930,30 @@ static int fimd_probe(struct platform_device > *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); > > if (pdev->dev.of_node) { > + struct videomode vm; > + > 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); > + ret = of_get_videomode(dev->of_node, &vm, OF_USE_NATIVE_MODE); > if (ret) { > DRM_ERROR("failed: of_get_fb_videomode() : %d\n", ret); > return ret; > } > + > + fb_videomode_from_videomode(&vm, &pdata->panel.timing); > + > + 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 = pdev->dev.platform_data; > if (!pdata) { Ping. Best regards, Tomasz -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html