From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pawel Moll Subject: [RFC 05/10] fbmon: Add extra video helper Date: Wed, 17 Apr 2013 16:17:17 +0100 Message-ID: <1366211842-21497-6-git-send-email-pawel.moll@arm.com> References: <1366211842-21497-1-git-send-email-pawel.moll@arm.com> Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <1366211842-21497-1-git-send-email-pawel.moll@arm.com> Sender: linux-media-owner@vger.kernel.org To: linux-fbdev@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree-discuss@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Cc: Laurent Pinchart , Linus Walleij , Russell King - ARM Linux , Pawel Moll List-Id: devicetree@vger.kernel.org This function converts the fb_var_screeninfo to the videomode structure, to be used in fbdev drivers working with the Common Display Framework. Signed-off-by: Pawel Moll --- drivers/video/fbmon.c | 29 +++++++++++++++++++++++++++++ include/linux/fb.h | 3 +++ 2 files changed, 32 insertions(+) diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c index 7f67099..f0ff2bf 100644 --- a/drivers/video/fbmon.c +++ b/drivers/video/fbmon.c @@ -1424,6 +1424,35 @@ int fb_videomode_from_videomode(const struct videomo= de *vm, =09return 0; } EXPORT_SYMBOL_GPL(fb_videomode_from_videomode); + +void videomode_from_fb_var_screeninfo(const struct fb_var_screeninfo *var, +=09=09=09=09 struct videomode *vm) +{ +=09vm->pixelclock =3D PICOS2KHZ(var->pixclock) * 1000; + +=09vm->hactive =3D var->xres; +=09vm->hfront_porch =3D var->right_margin; +=09vm->hback_porch =3D var->left_margin; +=09vm->hsync_len =3D var->hsync_len; + +=09vm->vactive =3D var->yres; +=09vm->vfront_porch =3D var->lower_margin; +=09vm->vback_porch =3D var->upper_margin; +=09vm->vsync_len =3D var->vsync_len; + +=09vm->dmt_flags =3D 0; +=09if (var->sync & FB_SYNC_HOR_HIGH_ACT) +=09=09vm->dmt_flags |=3D VESA_DMT_HSYNC_HIGH; +=09if (var->sync & FB_SYNC_VERT_HIGH_ACT) +=09=09vm->dmt_flags |=3D VESA_DMT_VSYNC_HIGH; + +=09vm->data_flags =3D 0; +=09if (var->vmode & FB_VMODE_INTERLACED) +=09=09vm->data_flags |=3D DISPLAY_FLAGS_INTERLACED; +=09if (var->vmode & FB_VMODE_DOUBLE) +=09=09vm->data_flags |=3D DISPLAY_FLAGS_DOUBLESCAN; +} +EXPORT_SYMBOL_GPL(videomode_from_fb_var_screeninfo); #endif =20 #if IS_ENABLED(CONFIG_OF_VIDEOMODE) diff --git a/include/linux/fb.h b/include/linux/fb.h index 58b9860..aae2ed3 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -721,6 +721,9 @@ extern int of_get_fb_videomode(struct device_node *np, =09=09=09 int index); extern int fb_videomode_from_videomode(const struct videomode *vm, =09=09=09=09 struct fb_videomode *fbmode); +extern void videomode_from_fb_var_screeninfo( +=09=09=09=09const struct fb_var_screeninfo *var, +=09=09=09=09struct videomode *vm); =20 /* drivers/video/modedb.c */ #define VESA_MODEDB_SIZE 34 --=20 1.7.10.4