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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
102 lines
3.4 KiB
Diff
102 lines
3.4 KiB
Diff
From 38822ea8817873a2cf74353ef6ad8e363e3dea70 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 3 Nov 2022 13:45:37 +0000
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Subject: [PATCH] vc04_services: bcm2835_codec: Allow larger images
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through the ISP
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Whilst the codecs are restricted to 1920x1080 / 1080x1920, the ISP
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isn't, but the limits advertised via V4L2 was 1920x1920 for all
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roles.
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Increase the limit to 16k x 16k for the ISP.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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.../bcm2835-codec/bcm2835-v4l2-codec.c | 31 ++++++++++++++-----
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1 file changed, 23 insertions(+), 8 deletions(-)
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--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
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+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
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@@ -119,8 +119,10 @@ static const char * const components[] =
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#define MIN_W 32
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#define MIN_H 32
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-#define MAX_W 1920
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-#define MAX_H 1920
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+#define MAX_W_CODEC 1920
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+#define MAX_H_CODEC 1920
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+#define MAX_W_ISP 16384
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+#define MAX_H_ISP 16384
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#define BPL_ALIGN 32
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/*
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* The decoder spec supports the V4L2_EVENT_SOURCE_CHANGE event, but the docs
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@@ -686,6 +688,13 @@ struct bcm2835_codec_dev {
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/* The list of formats supported on input and output queues. */
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struct bcm2835_codec_fmt_list supported_fmts[2];
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+ /*
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+ * Max size supported varies based on role. Store during
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+ * bcm2835_codec_create for use later.
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+ */
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+ unsigned int max_w;
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+ unsigned int max_h;
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+
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struct vchiq_mmal_instance *instance;
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struct v4l2_m2m_dev *m2m_dev;
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@@ -1471,10 +1480,10 @@ static int vidioc_try_fmt(struct bcm2835
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* The V4L2 specification requires the driver to correct the format
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* struct if any of the dimensions is unsupported
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*/
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- if (f->fmt.pix_mp.width > MAX_W)
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- f->fmt.pix_mp.width = MAX_W;
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- if (f->fmt.pix_mp.height > MAX_H)
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- f->fmt.pix_mp.height = MAX_H;
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+ if (f->fmt.pix_mp.width > ctx->dev->max_w)
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+ f->fmt.pix_mp.width = ctx->dev->max_w;
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+ if (f->fmt.pix_mp.height > ctx->dev->max_h)
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+ f->fmt.pix_mp.height = ctx->dev->max_h;
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if (!(fmt->flags & V4L2_FMT_FLAG_COMPRESSED)) {
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/* Only clip min w/h on capture. Treat 0x0 as unknown. */
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@@ -2528,6 +2537,7 @@ static int vidioc_encoder_cmd(struct fil
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static int vidioc_enum_framesizes(struct file *file, void *fh,
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struct v4l2_frmsizeenum *fsize)
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{
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+ struct bcm2835_codec_ctx *ctx = file2ctx(file);
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struct bcm2835_codec_fmt *fmt;
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fmt = find_format_pix_fmt(fsize->pixel_format, file2ctx(file)->dev,
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@@ -2546,10 +2556,10 @@ static int vidioc_enum_framesizes(struct
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fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
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fsize->stepwise.min_width = MIN_W;
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- fsize->stepwise.max_width = MAX_W;
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+ fsize->stepwise.max_width = ctx->dev->max_w;
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fsize->stepwise.step_width = 2;
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fsize->stepwise.min_height = MIN_H;
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- fsize->stepwise.max_height = MAX_H;
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+ fsize->stepwise.max_height = ctx->dev->max_h;
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fsize->stepwise.step_height = 2;
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return 0;
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@@ -3623,6 +3633,9 @@ static int bcm2835_codec_create(struct b
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if (ret)
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goto vchiq_finalise;
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+ dev->max_w = MAX_W_CODEC;
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+ dev->max_h = MAX_H_CODEC;
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+
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switch (role) {
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case DECODE:
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v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD);
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@@ -3645,6 +3658,8 @@ static int bcm2835_codec_create(struct b
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v4l2_disable_ioctl(vfd, VIDIOC_G_PARM);
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function = MEDIA_ENT_F_PROC_VIDEO_SCALER;
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video_nr = isp_video_nr;
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+ dev->max_w = MAX_W_ISP;
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+ dev->max_h = MAX_H_ISP;
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break;
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case DEINTERLACE:
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v4l2_disable_ioctl(vfd, VIDIOC_DECODER_CMD);
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