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path: root/drivers/media/test-drivers
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-rw-r--r--drivers/media/test-drivers/vidtv/vidtv_demod.c8
-rw-r--r--drivers/media/test-drivers/vimc/vimc-capture.c7
-rw-r--r--drivers/media/test-drivers/vivid/vivid-core.c38
-rw-r--r--drivers/media/test-drivers/vivid/vivid-core.h2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-kthread-cap.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-kthread-out.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-osd.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-radio-rx.c4
-rw-r--r--drivers/media/test-drivers/vivid/vivid-sdr-cap.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-touch-cap.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-vid-cap.c35
11 files changed, 79 insertions, 25 deletions
diff --git a/drivers/media/test-drivers/vidtv/vidtv_demod.c b/drivers/media/test-drivers/vidtv/vidtv_demod.c
index e7959ab1add8..d60c6d16beea 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_demod.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_demod.c
@@ -188,11 +188,11 @@ static void vidtv_demod_update_stats(struct dvb_frontend *fe)
* Also, usually, signal strength is a negative number in dBm.
*/
c->strength.stat[0].svalue = state->tuner_cnr;
- c->strength.stat[0].svalue -= prandom_u32_max(state->tuner_cnr / 50);
+ c->strength.stat[0].svalue -= get_random_u32_below(state->tuner_cnr / 50);
c->strength.stat[0].svalue -= 68000; /* Adjust to a better range */
c->cnr.stat[0].svalue = state->tuner_cnr;
- c->cnr.stat[0].svalue -= prandom_u32_max(state->tuner_cnr / 50);
+ c->cnr.stat[0].svalue -= get_random_u32_below(state->tuner_cnr / 50);
}
static int vidtv_demod_read_status(struct dvb_frontend *fe,
@@ -213,11 +213,11 @@ static int vidtv_demod_read_status(struct dvb_frontend *fe,
if (snr < cnr2qual->cnr_ok) {
/* eventually lose the TS lock */
- if (prandom_u32_max(100) < config->drop_tslock_prob_on_low_snr)
+ if (get_random_u32_below(100) < config->drop_tslock_prob_on_low_snr)
state->status = 0;
} else {
/* recover if the signal improves */
- if (prandom_u32_max(100) <
+ if (get_random_u32_below(100) <
config->recover_tslock_prob_on_good_snr)
state->status = FE_HAS_SIGNAL |
FE_HAS_CARRIER |
diff --git a/drivers/media/test-drivers/vimc/vimc-capture.c b/drivers/media/test-drivers/vimc/vimc-capture.c
index 6c437802f91f..aa944270e716 100644
--- a/drivers/media/test-drivers/vimc/vimc-capture.c
+++ b/drivers/media/test-drivers/vimc/vimc-capture.c
@@ -241,13 +241,12 @@ static void vimc_capture_return_all_buffers(struct vimc_capture_device *vcapture
static int vimc_capture_start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct vimc_capture_device *vcapture = vb2_get_drv_priv(vq);
- struct media_entity *entity = &vcapture->vdev.entity;
int ret;
vcapture->sequence = 0;
/* Start the media pipeline */
- ret = media_pipeline_start(entity, &vcapture->stream.pipe);
+ ret = video_device_pipeline_start(&vcapture->vdev, &vcapture->stream.pipe);
if (ret) {
vimc_capture_return_all_buffers(vcapture, VB2_BUF_STATE_QUEUED);
return ret;
@@ -255,7 +254,7 @@ static int vimc_capture_start_streaming(struct vb2_queue *vq, unsigned int count
ret = vimc_streamer_s_stream(&vcapture->stream, &vcapture->ved, 1);
if (ret) {
- media_pipeline_stop(entity);
+ video_device_pipeline_stop(&vcapture->vdev);
vimc_capture_return_all_buffers(vcapture, VB2_BUF_STATE_QUEUED);
return ret;
}
@@ -274,7 +273,7 @@ static void vimc_capture_stop_streaming(struct vb2_queue *vq)
vimc_streamer_s_stream(&vcapture->stream, &vcapture->ved, 0);
/* Stop the media pipeline */
- media_pipeline_stop(&vcapture->vdev.entity);
+ video_device_pipeline_stop(&vcapture->vdev);
/* Release all active buffers */
vimc_capture_return_all_buffers(vcapture, VB2_BUF_STATE_ERROR);
diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c
index 04b75666bad4..f28440e6c9f8 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.c
+++ b/drivers/media/test-drivers/vivid/vivid-core.c
@@ -339,6 +339,28 @@ static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a
return vivid_vid_out_g_fbuf(file, fh, a);
}
+/*
+ * Only support the framebuffer of one of the vivid instances.
+ * Anything else is rejected.
+ */
+bool vivid_validate_fb(const struct v4l2_framebuffer *a)
+{
+ struct vivid_dev *dev;
+ int i;
+
+ for (i = 0; i < n_devs; i++) {
+ dev = vivid_devs[i];
+ if (!dev || !dev->video_pbase)
+ continue;
+ if ((unsigned long)a->base == dev->video_pbase &&
+ a->fmt.width <= dev->display_width &&
+ a->fmt.height <= dev->display_height &&
+ a->fmt.bytesperline <= dev->display_byte_stride)
+ return true;
+ }
+ return false;
+}
+
static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a)
{
struct video_device *vdev = video_devdata(file);
@@ -920,8 +942,12 @@ static int vivid_detect_feature_set(struct vivid_dev *dev, int inst,
/* how many inputs do we have and of what type? */
dev->num_inputs = num_inputs[inst];
- if (dev->num_inputs < 1)
- dev->num_inputs = 1;
+ if (node_type & 0x20007) {
+ if (dev->num_inputs < 1)
+ dev->num_inputs = 1;
+ } else {
+ dev->num_inputs = 0;
+ }
if (dev->num_inputs >= MAX_INPUTS)
dev->num_inputs = MAX_INPUTS;
for (i = 0; i < dev->num_inputs; i++) {
@@ -938,8 +964,12 @@ static int vivid_detect_feature_set(struct vivid_dev *dev, int inst,
/* how many outputs do we have and of what type? */
dev->num_outputs = num_outputs[inst];
- if (dev->num_outputs < 1)
- dev->num_outputs = 1;
+ if (node_type & 0x40300) {
+ if (dev->num_outputs < 1)
+ dev->num_outputs = 1;
+ } else {
+ dev->num_outputs = 0;
+ }
if (dev->num_outputs >= MAX_OUTPUTS)
dev->num_outputs = MAX_OUTPUTS;
for (i = 0; i < dev->num_outputs; i++) {
diff --git a/drivers/media/test-drivers/vivid/vivid-core.h b/drivers/media/test-drivers/vivid/vivid-core.h
index bfcfb3515901..473f3598db5a 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.h
+++ b/drivers/media/test-drivers/vivid/vivid-core.h
@@ -613,4 +613,6 @@ static inline bool vivid_is_hdmi_out(const struct vivid_dev *dev)
return dev->output_type[dev->output] == HDMI;
}
+bool vivid_validate_fb(const struct v4l2_framebuffer *a);
+
#endif
diff --git a/drivers/media/test-drivers/vivid/vivid-kthread-cap.c b/drivers/media/test-drivers/vivid/vivid-kthread-cap.c
index 690daada7db4..ee65d20314d3 100644
--- a/drivers/media/test-drivers/vivid/vivid-kthread-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-kthread-cap.c
@@ -693,7 +693,7 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev,
/* Drop a certain percentage of buffers. */
if (dev->perc_dropped_buffers &&
- prandom_u32_max(100) < dev->perc_dropped_buffers)
+ get_random_u32_below(100) < dev->perc_dropped_buffers)
goto update_mv;
spin_lock(&dev->slock);
diff --git a/drivers/media/test-drivers/vivid/vivid-kthread-out.c b/drivers/media/test-drivers/vivid/vivid-kthread-out.c
index 0833e021bb11..fac6208b51da 100644
--- a/drivers/media/test-drivers/vivid/vivid-kthread-out.c
+++ b/drivers/media/test-drivers/vivid/vivid-kthread-out.c
@@ -51,7 +51,7 @@ static void vivid_thread_vid_out_tick(struct vivid_dev *dev)
/* Drop a certain percentage of buffers. */
if (dev->perc_dropped_buffers &&
- prandom_u32_max(100) < dev->perc_dropped_buffers)
+ get_random_u32_below(100) < dev->perc_dropped_buffers)
return;
spin_lock(&dev->slock);
diff --git a/drivers/media/test-drivers/vivid/vivid-osd.c b/drivers/media/test-drivers/vivid/vivid-osd.c
index fbaec8acc161..ec25edc679b3 100644
--- a/drivers/media/test-drivers/vivid/vivid-osd.c
+++ b/drivers/media/test-drivers/vivid/vivid-osd.c
@@ -357,7 +357,7 @@ int vivid_fb_init(struct vivid_dev *dev)
int ret;
dev->video_buffer_size = MAX_OSD_HEIGHT * MAX_OSD_WIDTH * 2;
- dev->video_vbase = kzalloc(dev->video_buffer_size, GFP_KERNEL | GFP_DMA32);
+ dev->video_vbase = kzalloc(dev->video_buffer_size, GFP_KERNEL);
if (dev->video_vbase == NULL)
return -ENOMEM;
dev->video_pbase = virt_to_phys(dev->video_vbase);
diff --git a/drivers/media/test-drivers/vivid/vivid-radio-rx.c b/drivers/media/test-drivers/vivid/vivid-radio-rx.c
index 8bd09589fb15..79c1723bd84c 100644
--- a/drivers/media/test-drivers/vivid/vivid-radio-rx.c
+++ b/drivers/media/test-drivers/vivid/vivid-radio-rx.c
@@ -94,8 +94,8 @@ retry:
if (data_blk == 0 && dev->radio_rds_loop)
vivid_radio_rds_init(dev);
- if (perc && prandom_u32_max(100) < perc) {
- switch (prandom_u32_max(4)) {
+ if (perc && get_random_u32_below(100) < perc) {
+ switch (get_random_u32_below(4)) {
case 0:
rds.block |= V4L2_RDS_BLOCK_CORRECTED;
break;
diff --git a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c b/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
index 0ae5628b86c9..a81f26b76988 100644
--- a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
@@ -90,7 +90,7 @@ static void vivid_thread_sdr_cap_tick(struct vivid_dev *dev)
/* Drop a certain percentage of buffers. */
if (dev->perc_dropped_buffers &&
- prandom_u32_max(100) < dev->perc_dropped_buffers)
+ get_random_u32_below(100) < dev->perc_dropped_buffers)
return;
spin_lock(&dev->slock);
diff --git a/drivers/media/test-drivers/vivid/vivid-touch-cap.c b/drivers/media/test-drivers/vivid/vivid-touch-cap.c
index 6cc32eb54f9d..c7f6e23df51e 100644
--- a/drivers/media/test-drivers/vivid/vivid-touch-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-touch-cap.c
@@ -221,7 +221,7 @@ static void vivid_fill_buff_noise(__s16 *tch_buf, int size)
static inline int get_random_pressure(void)
{
- return prandom_u32_max(VIVID_PRESSURE_LIMIT);
+ return get_random_u32_below(VIVID_PRESSURE_LIMIT);
}
static void vivid_tch_buf_set(struct v4l2_pix_format *f,
diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c
index 86b158eeb2d8..11620eaf941e 100644
--- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c
@@ -453,6 +453,12 @@ void vivid_update_format_cap(struct vivid_dev *dev, bool keep_controls)
tpg_reset_source(&dev->tpg, dev->src_rect.width, dev->src_rect.height, dev->field_cap);
dev->crop_cap = dev->src_rect;
dev->crop_bounds_cap = dev->src_rect;
+ if (dev->bitmap_cap &&
+ (dev->compose_cap.width != dev->crop_cap.width ||
+ dev->compose_cap.height != dev->crop_cap.height)) {
+ vfree(dev->bitmap_cap);
+ dev->bitmap_cap = NULL;
+ }
dev->compose_cap = dev->crop_cap;
if (V4L2_FIELD_HAS_T_OR_B(dev->field_cap))
dev->compose_cap.height /= 2;
@@ -460,6 +466,14 @@ void vivid_update_format_cap(struct vivid_dev *dev, bool keep_controls)
tpg_s_video_aspect(&dev->tpg, vivid_get_video_aspect(dev));
tpg_s_pixel_aspect(&dev->tpg, vivid_get_pixel_aspect(dev));
tpg_update_mv_step(&dev->tpg);
+
+ /*
+ * We can be called from within s_ctrl, in that case we can't
+ * modify controls. Luckily we don't need to in that case.
+ */
+ if (keep_controls)
+ return;
+
dims[0] = roundup(dev->src_rect.width, PIXEL_ARRAY_DIV);
dims[1] = roundup(dev->src_rect.height, PIXEL_ARRAY_DIV);
v4l2_ctrl_modify_dimensions(dev->pixel_array, dims);
@@ -913,6 +927,8 @@ int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection
struct vivid_dev *dev = video_drvdata(file);
struct v4l2_rect *crop = &dev->crop_cap;
struct v4l2_rect *compose = &dev->compose_cap;
+ unsigned orig_compose_w = compose->width;
+ unsigned orig_compose_h = compose->height;
unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_cap) ? 2 : 1;
int ret;
@@ -1029,17 +1045,17 @@ int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection
s->r.height /= factor;
}
v4l2_rect_map_inside(&s->r, &dev->fmt_cap_rect);
- if (dev->bitmap_cap && (compose->width != s->r.width ||
- compose->height != s->r.height)) {
- vfree(dev->bitmap_cap);
- dev->bitmap_cap = NULL;
- }
*compose = s->r;
break;
default:
return -EINVAL;
}
+ if (dev->bitmap_cap && (compose->width != orig_compose_w ||
+ compose->height != orig_compose_h)) {
+ vfree(dev->bitmap_cap);
+ dev->bitmap_cap = NULL;
+ }
tpg_s_crop_compose(&dev->tpg, crop, compose);
return 0;
}
@@ -1276,7 +1292,14 @@ int vivid_vid_cap_s_fbuf(struct file *file, void *fh,
return -EINVAL;
if (a->fmt.bytesperline < (a->fmt.width * fmt->bit_depth[0]) / 8)
return -EINVAL;
- if (a->fmt.height * a->fmt.bytesperline < a->fmt.sizeimage)
+ if (a->fmt.bytesperline > a->fmt.sizeimage / a->fmt.height)
+ return -EINVAL;
+
+ /*
+ * Only support the framebuffer of one of the vivid instances.
+ * Anything else is rejected.
+ */
+ if (!vivid_validate_fb(a))
return -EINVAL;
dev->fb_vbase_cap = phys_to_virt((unsigned long)a->base);
generated by cgit (git 2.34.1) at 2025-05-20 05:57:04 +0000