From: Lad, Prabhakar Date: Fri, 16 May 2014 13:33:30 +0000 (-0300) Subject: [media] media: davinci: vpif_display: fix v4l-compliance issues X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9cba6534b5138ebae1224a3e640cbc4fcf32d80b;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [media] media: davinci: vpif_display: fix v4l-compliance issues this patch does following, 1: sets initial default format during probe. 2: removes spurious messages. 3: optimize vpif_s/try_fmt_vid_out code. Signed-off-by: Lad, Prabhakar Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index f581e7a1c279..cda08510912e 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -466,6 +466,7 @@ static int vpif_update_resolution(struct channel_obj *ch) return -EINVAL; } + common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; common->fmt.fmt.pix.width = std_info->width; common->fmt.fmt.pix.height = std_info->height; vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", @@ -474,6 +475,17 @@ static int vpif_update_resolution(struct channel_obj *ch) /* Set height and width paramateres */ common->height = std_info->height; common->width = std_info->width; + common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; + + if (vid_ch->stdid) + common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + else + common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; + + if (ch->vpifparams.std_info.frm_fmt) + common->fmt.fmt.pix.field = V4L2_FIELD_NONE; + else + common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; return 0; } @@ -544,63 +556,6 @@ static void vpif_calculate_offsets(struct channel_obj *ch) ch->vpifparams.video_params.stdid = ch->vpifparams.std_info.stdid; } -static void vpif_config_format(struct channel_obj *ch) -{ - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - - common->fmt.fmt.pix.field = V4L2_FIELD_ANY; - common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; - common->fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; -} - -static int vpif_check_format(struct channel_obj *ch, - struct v4l2_pix_format *pixfmt) -{ - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - enum v4l2_field field = pixfmt->field; - u32 sizeimage, hpitch, vpitch; - - if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) - goto invalid_fmt_exit; - - if (!(VPIF_VALID_FIELD(field))) - goto invalid_fmt_exit; - - if (pixfmt->bytesperline <= 0) - goto invalid_pitch_exit; - - sizeimage = pixfmt->sizeimage; - - if (vpif_update_resolution(ch)) - return -EINVAL; - - hpitch = pixfmt->bytesperline; - vpitch = sizeimage / (hpitch * 2); - - /* Check for valid value of pitch */ - if ((hpitch < ch->vpifparams.std_info.width) || - (vpitch < ch->vpifparams.std_info.height)) - goto invalid_pitch_exit; - - /* Check for 8 byte alignment */ - if (!ISALIGNED(hpitch)) { - vpif_err("invalid pitch alignment\n"); - return -EINVAL; - } - pixfmt->width = common->fmt.fmt.pix.width; - pixfmt->height = common->fmt.fmt.pix.height; - - return 0; - -invalid_fmt_exit: - vpif_err("invalid field format\n"); - return -EINVAL; - -invalid_pitch_exit: - vpif_err("invalid pitch\n"); - return -EINVAL; -} - static void vpif_config_addr(struct channel_obj *ch, int muxmode) { struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; @@ -640,16 +595,14 @@ static int vpif_querycap(struct file *file, void *priv, static int vpif_enum_fmt_vid_out(struct file *file, void *priv, struct v4l2_fmtdesc *fmt) { - if (fmt->index != 0) { - vpif_err("Invalid format index\n"); + if (fmt->index != 0) return -EINVAL; - } /* Fill in the information about format */ fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); fmt->pixelformat = V4L2_PIX_FMT_YUV422P; - + fmt->flags = 0; return 0; } @@ -670,47 +623,57 @@ static int vpif_g_fmt_vid_out(struct file *file, void *priv, return 0; } -static int vpif_s_fmt_vid_out(struct file *file, void *priv, +static int vpif_try_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - struct v4l2_pix_format *pixfmt; - int ret = 0; + struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; - if (vb2_is_busy(&common->buffer_queue)) - return -EBUSY; + /* + * to supress v4l-compliance warnings silently correct + * the pixelformat + */ + if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) + pixfmt->pixelformat = common->fmt.fmt.pix.pixelformat; - pixfmt = &fmt->fmt.pix; - /* Check for valid field format */ - ret = vpif_check_format(ch, pixfmt); - if (ret) - return ret; + if (vpif_update_resolution(ch)) + return -EINVAL; + + pixfmt->colorspace = common->fmt.fmt.pix.colorspace; + pixfmt->field = common->fmt.fmt.pix.field; + pixfmt->bytesperline = common->fmt.fmt.pix.width; + pixfmt->width = common->fmt.fmt.pix.width; + pixfmt->height = common->fmt.fmt.pix.height; + pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; + pixfmt->priv = 0; - /* store the pix format in the channel object */ - common->fmt.fmt.pix = *pixfmt; - /* store the format in the channel object */ - common->fmt = *fmt; return 0; } -static int vpif_try_fmt_vid_out(struct file *file, void *priv, +static int vpif_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; - int ret = 0; + int ret; - ret = vpif_check_format(ch, pixfmt); - if (ret) { - *pixfmt = common->fmt.fmt.pix; - pixfmt->sizeimage = pixfmt->width * pixfmt->height * 2; - } + if (vb2_is_busy(&common->buffer_queue)) + return -EBUSY; - return ret; + ret = vpif_try_fmt_vid_out(file, priv, fmt); + if (ret) + return ret; + + /* store the pix format in the channel object */ + common->fmt.fmt.pix = *pixfmt; + + /* store the format in the channel object */ + common->fmt = *fmt; + return 0; } static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) @@ -738,7 +701,6 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) if (!(std_id & VPIF_V4L2_STD)) return -EINVAL; - /* Call encoder subdevice function to set the standard */ ch->video.stdid = std_id; memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); @@ -747,8 +709,6 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) return -EINVAL; common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width; - /* Configure the default format information */ - vpif_config_format(ch); ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, s_std_output, std_id); @@ -1215,6 +1175,11 @@ static int vpif_probe_complete(void) if (err) goto probe_out; + /* set initial format */ + ch->video.stdid = V4L2_STD_525_60; + memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); + vpif_update_resolution(ch); + /* Initialize vb2 queue */ q = &common->buffer_queue; q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; @@ -1226,7 +1191,6 @@ static int vpif_probe_complete(void) q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->min_buffers_needed = 1; q->lock = &common->lock; - err = vb2_queue_init(q); if (err) { vpif_err("vpif_display: vb2_queue_init() failed\n");