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Subject: [media] media: davinci: vpbe: fix layer availability for NV12 format Author: Lad, Prabhakar <prabhakar.cse...@gmail.com> Date: Tue May 7 01:07:25 2013 -0300 For NV12 format, even if display data is single image, both VIDWIN0 and VIDWIN1 parameters must be used. The start address of Y data plane and C data plane is configured in VIDEOWIN0ADH/L and VIDEOWIN1ADH/L respectively. cuurently only one layer was requested, which is suffice for yuv422, but for yuv420(NV12) two layers are required and fix the same by requesting for other layer if pix fmt is NV12 during set_fmt. Signed-off-by: Lad, Prabhakar <prabhakar.cse...@gmail.com> Signed-off-by: Hans Verkuil <hans.verk...@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com> drivers/media/platform/davinci/vpbe_display.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=bdea0d222a21f864a811cf6666532334e622f7c6 diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c index 1802f11..d0b375c 100644 --- a/drivers/media/platform/davinci/vpbe_display.c +++ b/drivers/media/platform/davinci/vpbe_display.c @@ -916,6 +916,21 @@ static int vpbe_display_s_fmt(struct file *file, void *priv, other video window */ layer->pix_fmt = *pixfmt; + if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12) { + struct vpbe_layer *otherlayer; + + otherlayer = _vpbe_display_get_other_win_layer(disp_dev, layer); + /* if other layer is available, only + * claim it, do not configure it + */ + ret = osd_device->ops.request_layer(osd_device, + otherlayer->layer_info.id); + if (ret < 0) { + v4l2_err(&vpbe_dev->v4l2_dev, + "Display Manager failed to allocate layer\n"); + return -EBUSY; + } + } /* Get osd layer config */ osd_device->ops.get_layer_config(osd_device, _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
