github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-31 18:43:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

media: iris: add check whether the video session is supported or not

Browse Source 
Based on the hardware capabilities, add a check during start_streaming
and queue_setup, whether the video session is supported by the hardware.

Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com>
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Vedang Nagar 2025-02-07 13:25:04 +05:30 committed by Hans Verkuil
parent d09100763b
commit bdbe1cac0c
3 changed files with 98 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/media/platform/qcom/iris/iris_platform_common.h
View File

@ -144,6 +144,7 @@ struct iris_platform_data {
struct ubwc_config_data *ubwc_config;
u32 num_vpp_pipe;
u32 max_session_count;
u32 max_core_mbpf;
const u32 *input_config_params;
unsigned int input_config_params_size;
const u32 *output_config_params;

1
drivers/media/platform/qcom/iris/iris_platform_sm8550.c
View File

@ -233,6 +233,7 @@ struct iris_platform_data sm8550_data = {
.ubwc_config = &ubwc_config_sm8550,
.num_vpp_pipe = 4,
.max_session_count = 16,
.max_core_mbpf = ((8192 * 4352) / 256) * 2,
.input_config_params =
sm8550_vdec_input_config_params,
.input_config_params_size =

96
drivers/media/platform/qcom/iris/iris_vb2.c
View File

@ -11,6 +11,94 @@
#include "iris_vb2.h"
#include "iris_vdec.h"
static int iris_check_core_mbpf(struct iris_inst *inst)
{
struct iris_core *core = inst->core;
struct iris_inst *instance;
u32 total_mbpf = 0;
mutex_lock(&core->lock);
list_for_each_entry(instance, &core->instances, list)
total_mbpf += iris_get_mbpf(instance);
mutex_unlock(&core->lock);
if (total_mbpf > core->iris_platform_data->max_core_mbpf)
return -ENOMEM;
return 0;
}
static int iris_check_inst_mbpf(struct iris_inst *inst)
{
struct platform_inst_caps *caps;
u32 mbpf, max_mbpf;
caps = inst->core->iris_platform_data->inst_caps;
max_mbpf = caps->max_mbpf;
mbpf = iris_get_mbpf(inst);
if (mbpf > max_mbpf)
return -ENOMEM;
return 0;
}
static int iris_check_resolution_supported(struct iris_inst *inst)
{
u32 width, height, min_width, min_height, max_width, max_height;
struct platform_inst_caps *caps;
caps = inst->core->iris_platform_data->inst_caps;
width = inst->fmt_src->fmt.pix_mp.width;
height = inst->fmt_src->fmt.pix_mp.height;
min_width = caps->min_frame_width;
max_width = caps->max_frame_width;
min_height = caps->min_frame_height;
max_height = caps->max_frame_height;
if (!(min_width <= width && width <= max_width) ||
!(min_height <= height && height <= max_height))
return -EINVAL;
return 0;
}
static int iris_check_session_supported(struct iris_inst *inst)
{
struct iris_core *core = inst->core;
struct iris_inst *instance = NULL;
bool found = false;
int ret;
list_for_each_entry(instance, &core->instances, list) {
if (instance == inst)
found = true;
}
if (!found) {
ret = -EINVAL;
goto exit;
}
ret = iris_check_core_mbpf(inst);
if (ret)
goto exit;
ret = iris_check_inst_mbpf(inst);
if (ret)
goto exit;
ret = iris_check_resolution_supported(inst);
if (ret)
goto exit;
return 0;
exit:
dev_err(inst->core->dev, "current session not supported(%d)\n", ret);
return ret;
}
int iris_vb2_buf_init(struct vb2_buffer *vb2)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
@ -48,6 +136,10 @@ int iris_vb2_queue_setup(struct vb2_queue *q,
goto unlock;
}
ret = iris_check_session_supported(inst);
if (ret)
goto unlock;
if (!inst->once_per_session_set) {
inst->once_per_session_set = true;
@ -95,6 +187,10 @@ int iris_vb2_start_streaming(struct vb2_queue *q, unsigned int count)
goto error;
}
ret = iris_check_session_supported(inst);
if (ret)
goto error;
if (V4L2_TYPE_IS_OUTPUT(q->type))
ret = iris_vdec_streamon_input(inst);
else if (V4L2_TYPE_IS_CAPTURE(q->type))