Remove duplicated code in the vidioc_try_fmt and vidioc_s_fmt handlers.
This is a pre-requsite to allow successful fimc.capture video open even
if its corresponding media entities are not linked into a complete
pipeline.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/platform/exynos4-is/fimc-capture.c | 158 ++++++++++------------
1 file changed, 75 insertions(+), 83 deletions(-)
diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c
index 25f8a1e..763f9de 100644
--- a/drivers/media/platform/exynos4-is/fimc-capture.c
+++ b/drivers/media/platform/exynos4-is/fimc-capture.c
@@ -503,9 +503,6 @@ static int fimc_capture_open(struct file *file)
ret = fimc_pipeline_call(ve, open, &ve->vdev.entity, true);
- if (ret == 0)
- ret = fimc_capture_set_default_format(fimc);
-
if (ret == 0 && vc->user_subdev_api && vc->inh_sensor_ctrls) {
/*
* Recreate controls of the the video node to drop
@@ -522,6 +519,9 @@ static int fimc_capture_open(struct file *file)
fimc_md_graph_unlock(ve);
+ if (ret == 0)
+ ret = fimc_capture_set_default_format(fimc);
+
if (ret < 0) {
clear_bit(ST_CAPT_BUSY, &fimc->state);
pm_runtime_put_sync(&fimc->pdev->dev);
@@ -916,55 +916,83 @@ static int fimc_cap_g_fmt_mplane(struct file *file, void *fh,
return 0;
}
-static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
- struct v4l2_format *f)
+/*
+ * Try or set format on the fimc.X.capture video node and additionally
+ * on the whole pipeline if @try is false.
+ * Locking: the caller must _not_ hold the graph mutex.
+ */
+static int __video_try_or_set_format(struct fimc_dev *fimc,
+ struct v4l2_format *f, bool try,
+ struct fimc_fmt **inp_fmt,
+ struct fimc_fmt **out_fmt)
{
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
- struct fimc_dev *fimc = video_drvdata(file);
- struct fimc_ctx *ctx = fimc->vid_cap.ctx;
- struct exynos_video_entity *ve = &fimc->vid_cap.ve;
- struct v4l2_mbus_framefmt mf;
- struct v4l2_subdev *sensor;
- struct fimc_fmt *ffmt = NULL;
+ struct fimc_vid_cap *vc = &fimc->vid_cap;
+ struct exynos_video_entity *ve = &vc->ve;
+ struct fimc_ctx *ctx = vc->ctx;
+ unsigned int width = 0, height = 0;
int ret = 0;
+ /* Pre-configure format at the camera input interface, for JPEG only */
if (fimc_jpeg_fourcc(pix->pixelformat)) {
fimc_capture_try_format(ctx, &pix->width, &pix->height,
NULL, &pix->pixelformat,
FIMC_SD_PAD_SINK_CAM);
- ctx->s_frame.f_width = pix->width;
- ctx->s_frame.f_height = pix->height;
+ if (try) {
+ width = pix->width;
+ height = pix->height;
+ } else {
+ ctx->s_frame.f_width = pix->width;
+ ctx->s_frame.f_height = pix->height;
+ }
}
- ffmt = fimc_capture_try_format(ctx, &pix->width, &pix->height,
- NULL, &pix->pixelformat,
- FIMC_SD_PAD_SOURCE);
- if (!ffmt)
+
+ /* Try the format at the scaler and the DMA output */
+ *out_fmt = fimc_capture_try_format(ctx, &pix->width, &pix->height,
+ NULL, &pix->pixelformat,
+ FIMC_SD_PAD_SOURCE);
+ if (*out_fmt == NULL)
return -EINVAL;
- if (!fimc->vid_cap.user_subdev_api) {
- mf.width = pix->width;
- mf.height = pix->height;
- mf.code = ffmt->mbus_code;
+ /* Restore image width/height for JPEG (no resizing supported). */
+ if (try && fimc_jpeg_fourcc(pix->pixelformat)) {
+ pix->width = width;
+ pix->height = height;
+ }
+
+ /* Try to match format at the host and the sensor */
+ if (!vc->user_subdev_api) {
+ struct v4l2_mbus_framefmt mbus_fmt;
+ struct v4l2_mbus_framefmt *mf;
+
+ mf = try ? &mbus_fmt : &fimc->vid_cap.ci_fmt;
+
+ mf->code = (*out_fmt)->mbus_code;
+ mf->width = pix->width;
+ mf->height = pix->height;
fimc_md_graph_lock(ve);
- fimc_pipeline_try_format(ctx, &mf, &ffmt, false);
+ ret = fimc_pipeline_try_format(ctx, mf, inp_fmt, try);
fimc_md_graph_unlock(ve);
- pix->width = mf.width;
- pix->height = mf.height;
- if (ffmt)
- pix->pixelformat = ffmt->fourcc;
+ if (ret < 0)
+ return ret;
+
+ pix->width = mf->width;
+ pix->height = mf->height;
}
- fimc_adjust_mplane_format(ffmt, pix->width, pix->height, pix);
+ fimc_adjust_mplane_format(*out_fmt, pix->width, pix->height, pix);
+
+ if ((*out_fmt)->flags & FMT_FLAGS_COMPRESSED) {
+ struct v4l2_subdev *sensor;
- if (ffmt->flags & FMT_FLAGS_COMPRESSED) {
fimc_md_graph_lock(ve);
sensor = __fimc_md_get_subdev(ve->pipe, IDX_SENSOR);
if (sensor)
fimc_get_sensor_frame_desc(sensor, pix->plane_fmt,
- ffmt->memplanes, true);
+ (*out_fmt)->memplanes, try);
else
ret = -EPIPE;
@@ -974,6 +1002,15 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
return ret;
}
+static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ struct fimc_dev *fimc = video_drvdata(file);
+ struct fimc_fmt *out_fmt = NULL, *inp_fmt = NULL;
+
+ return __video_try_or_set_format(fimc, f, true, &inp_fmt, &out_fmt);
+}
+
static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx,
enum fimc_color_fmt color)
{
@@ -991,58 +1028,23 @@ static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx,
static int __fimc_capture_set_format(struct fimc_dev *fimc,
struct v4l2_format *f)
{
- struct fimc_ctx *ctx = fimc->vid_cap.ctx;
+ struct fimc_vid_cap *vc = &fimc->vid_cap;
+ struct fimc_ctx *ctx = vc->ctx;
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
- struct v4l2_mbus_framefmt *mf = &fimc->vid_cap.ci_fmt;
- struct fimc_pipeline *p = to_fimc_pipeline(fimc->vid_cap.ve.pipe);
struct fimc_frame *ff = &ctx->d_frame;
- struct fimc_fmt *s_fmt = NULL;
+ struct fimc_fmt *inp_fmt = NULL;
int ret, i;
if (vb2_is_busy(&fimc->vid_cap.vbq))
return -EBUSY;
- /* Pre-configure format at camera interface input, for JPEG only */
- if (fimc_jpeg_fourcc(pix->pixelformat)) {
- fimc_capture_try_format(ctx, &pix->width, &pix->height,
- NULL, &pix->pixelformat,
- FIMC_SD_PAD_SINK_CAM);
- ctx->s_frame.f_width = pix->width;
- ctx->s_frame.f_height = pix->height;
- }
- /* Try the format at the scaler and the DMA output */
- ff->fmt = fimc_capture_try_format(ctx, &pix->width, &pix->height,
- NULL, &pix->pixelformat,
- FIMC_SD_PAD_SOURCE);
- if (!ff->fmt)
- return -EINVAL;
+ ret = __video_try_or_set_format(fimc, f, false, &inp_fmt, &ff->fmt);
+ if (ret < 0)
+ return ret;
/* Update RGB Alpha control state and value range */
fimc_alpha_ctrl_update(ctx);
- /* Try to match format at the host and the sensor */
- if (!fimc->vid_cap.user_subdev_api) {
- mf->code = ff->fmt->mbus_code;
- mf->width = pix->width;
- mf->height = pix->height;
- ret = fimc_pipeline_try_format(ctx, mf, &s_fmt, true);
- if (ret)
- return ret;
-
- pix->width = mf->width;
- pix->height = mf->height;
- }
-
- fimc_adjust_mplane_format(ff->fmt, pix->width, pix->height, pix);
-
- if (ff->fmt->flags & FMT_FLAGS_COMPRESSED) {
- ret = fimc_get_sensor_frame_desc(p->subdevs[IDX_SENSOR],
- pix->plane_fmt, ff->fmt->memplanes,
- true);
- if (ret < 0)
- return ret;
- }
-
for (i = 0; i < ff->fmt->memplanes; i++) {
ff->bytesperline[i] = pix->plane_fmt[i].bytesperline;
ff->payload[i] = pix->plane_fmt[i].sizeimage;
@@ -1056,8 +1058,8 @@ static int __fimc_capture_set_format(struct fimc_dev *fimc,
fimc_capture_mark_jpeg_xfer(ctx, ff->fmt->color);
/* Reset cropping and set format at the camera interface input */
- if (!fimc->vid_cap.user_subdev_api) {
- ctx->s_frame.fmt = s_fmt;
+ if (!vc->user_subdev_api) {
+ ctx->s_frame.fmt = inp_fmt;
set_frame_bounds(&ctx->s_frame, pix->width, pix->height);
set_frame_crop(&ctx->s_frame, 0, 0, pix->width, pix->height);
}
@@ -1069,18 +1071,8 @@ static int fimc_cap_s_fmt_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct fimc_dev *fimc = video_drvdata(file);
- int ret;
- fimc_md_graph_lock(&fimc->vid_cap.ve);
- /*
- * The graph is walked within __fimc_capture_set_format() to set
- * the format at subdevs thus the graph mutex needs to be held at
- * this point.
- */
- ret = __fimc_capture_set_format(fimc, f);
-
- fimc_md_graph_unlock(&fimc->vid_cap.ve);
- return ret;
+ return __fimc_capture_set_format(fimc, f);
}
static int fimc_cap_enum_input(struct file *file, void *priv,
--
1.7.9.5
--
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