[RFT/RFC,17/49] staging: media: zoran: move buffer_size out of zoran_fh

Message ID	1600683624-5863-18-git-send-email-clabbe@baylibre.com
State	Accepted
Commit	7847f74d36836c091fbbd0291f0a31c2af920bb0
Headers	show Return-Path: <SRS0=F5P7=C6=vger.kernel.org=linux-media-owner@kernel.org> From: Corentin Labbe <clabbe@baylibre.com> To: gregkh@linuxfoundation.org, laurent.pinchart@skynet.be, mchehab@kernel.org Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Corentin Labbe <clabbe@baylibre.com> Subject: [PATCH RFT/RFC 17/49] staging: media: zoran: move buffer_size out of zoran_fh Date: Mon, 21 Sep 2020 10:19:52 +0000 Message-Id: <1600683624-5863-18-git-send-email-clabbe@baylibre.com> In-Reply-To: <1600683624-5863-1-git-send-email-clabbe@baylibre.com> References: <1600683624-5863-1-git-send-email-clabbe@baylibre.com> Precedence: bulk
Series	None \| expand [RFT/RFC,02/49] MAINTAINERS: change maintainer of the zoran driver [RFT/RFC,03/49] staging: media: zoran: datasheet is no longer available from zoran.com [RFT/RFC,08/49] staging: media: zoran: convert all error dprintk to pci_err/pr_err [RFT/RFC,09/49] staging: media: zoran: convert dprintk warn [RFT/RFC,10/49] staging: media: zoran: convert dprintk info to pci_info [RFT/RFC,11/49] staging: media: zoran: convert dprintk debug [RFT/RFC,12/49] staging: media: zoran: zoran_device.c: convert pr_x to pci_x [RFT/RFC,15/49] staging: media: zoran: use v4l2_buffer_set_timestamp [RFT/RFC,17/49] staging: media: zoran: move buffer_size out of zoran_fh [RFT/RFC,20/49] staging: media: zoran: move overlay_settings out of zoran_fh [RFT/RFC,21/49] staging: media: zoran: Use video_drvdata to get struct zoran [RFT/RFC,22/49] staging: media: zoran: Change zoran_v4l_set_format parameter from zoran_fh to zoran [RFT/RFC,27/49] staging: media: zoran: convert irq to pci irq [RFT/RFC,29/49] staging: media: zoran: convert mdelay to udelay [RFT/RFC,31/49] staging: media: zoran: use pci_request_regions [RFT/RFC,34/49] staging: media: zoran: constify struct tvnorm [RFT/RFC,35/49] staging: media: zoran: constify codec_name [RFT/RFC,38/49] staging: media: zoran: Add vb_queue [RFT/RFC,39/49] staging: media: zoran: disable output [RFT/RFC,40/49] staging: media: zoran: device support only 32bit DMA address [RFT/RFC,42/49] staging: media: zoran: remove framebuffer support [RFT/RFC,46/49] staging: media: zoran: fix some compliance test [RFT/RFC,48/49] staging: media: zoran: convert to vb2 [RFT/RFC,49/49] staging: media: zoran: update TODO

diff --git a/drivers/staging/media/zoran/zoran.h b/drivers/staging/media/zoran/zoran.h index 1b3eceaead5a..97933c550113 100644 --- a/drivers/staging/media/zoran/zoran.h +++ b/drivers/staging/media/zoran/zoran.h @@ -195,7 +195,7 @@ enum zoran_lock_activity { /* buffer collections */ struct zoran_buffer_col { enum zoran_lock_activity active; /* feature currently in use? */ - unsigned int num_buffers, buffer_size; + unsigned int num_buffers; struct zoran_buffer buffer[MAX_FRAME]; /* buffers */ u8 allocated; /* Flag if buffers are allocated */ u8 need_contiguous; /* Flag if contiguous buffers are needed */ @@ -292,6 +292,7 @@ struct zoran { v4l2_std_id norm; /* Current buffer params */ + unsigned int buffer_size; void *vbuf_base; int vbuf_height, vbuf_width; int vbuf_depth; diff --git a/drivers/staging/media/zoran/zoran_device.c b/drivers/staging/media/zoran/zoran_device.c index a33de61a5e9b..4f9b28e63ac0 100644 --- a/drivers/staging/media/zoran/zoran_device.c +++ b/drivers/staging/media/zoran/zoran_device.c @@ -882,8 +882,7 @@ void jpeg_start(struct zoran *zr) void zr36057_enable_jpg(struct zoran *zr, enum zoran_codec_mode mode) { struct vfe_settings cap; - int field_size = - zr->jpg_buffers.buffer_size / zr->jpg_settings.field_per_buff; + int field_size = zr->buffer_size / zr->jpg_settings.field_per_buff; zr->codec_mode = mode; diff --git a/drivers/staging/media/zoran/zoran_driver.c b/drivers/staging/media/zoran/zoran_driver.c index a996161cb276..a97faf54e19d 100644 --- a/drivers/staging/media/zoran/zoran_driver.c +++ b/drivers/staging/media/zoran/zoran_driver.c @@ -178,15 +178,18 @@ static void jpg_fbuffer_free(struct zoran_fh *fh); /* Set mapping mode */ static void map_mode_raw(struct zoran_fh *fh) { + struct zoran *zr = fh->zr; fh->map_mode = ZORAN_MAP_MODE_RAW; - fh->buffers.buffer_size = v4l_bufsize; + zr->buffer_size = v4l_bufsize; fh->buffers.num_buffers = v4l_nbufs; } static void map_mode_jpg(struct zoran_fh *fh, int play) { + struct zoran *zr = fh->zr; + fh->map_mode = play ? ZORAN_MAP_MODE_JPG_PLAY : ZORAN_MAP_MODE_JPG_REC; - fh->buffers.buffer_size = jpg_bufsize; + zr->buffer_size = jpg_bufsize; fh->buffers.num_buffers = jpg_nbufs; } @@ -212,7 +215,7 @@ static int v4l_fbuffer_alloc(struct zoran_fh *fh) pci_warn(zr->pci_dev, "%s - buffer %d already allocated!?\n", __func__, i); //udelay(20); - mem = kmalloc(fh->buffers.buffer_size, GFP_KERNEL | __GFP_NOWARN); + mem = kmalloc(zr->buffer_size, GFP_KERNEL | __GFP_NOWARN); if (!mem) { pci_err(zr->pci_dev, "%s - kmalloc for V4L buf %d failed\n", __func__, i); v4l_fbuffer_free(fh); @@ -221,7 +224,7 @@ static int v4l_fbuffer_alloc(struct zoran_fh *fh) fh->buffers.buffer[i].v4l.fbuffer = mem; fh->buffers.buffer[i].v4l.fbuffer_phys = virt_to_phys(mem); fh->buffers.buffer[i].v4l.fbuffer_bus = virt_to_bus(mem); - for (off = 0; off < fh->buffers.buffer_size; + for (off = 0; off < zr->buffer_size; off += PAGE_SIZE) SetPageReserved(virt_to_page(mem + off)); pci_info(zr->pci_dev, "%s - V4L frame %d mem %p (bus: 0x%llx)\n", __func__, i, mem, @@ -247,7 +250,7 @@ static void v4l_fbuffer_free(struct zoran_fh *fh) continue; mem = fh->buffers.buffer[i].v4l.fbuffer; - for (off = 0; off < fh->buffers.buffer_size; + for (off = 0; off < zr->buffer_size; off += PAGE_SIZE) ClearPageReserved(virt_to_page(mem + off)); kfree(fh->buffers.buffer[i].v4l.fbuffer); @@ -307,7 +310,7 @@ static int jpg_fbuffer_alloc(struct zoran_fh *fh) fh->buffers.buffer[i].jpg.frag_tab_bus = virt_to_bus(mem); if (fh->buffers.need_contiguous) { - mem = kmalloc(fh->buffers.buffer_size, GFP_KERNEL); + mem = kmalloc(zr->buffer_size, GFP_KERNEL); if (!mem) { pci_err(zr->pci_dev, "%s - kmalloc failed for buffer %d\n", __func__, i); jpg_fbuffer_free(fh); @@ -316,12 +319,12 @@ static int jpg_fbuffer_alloc(struct zoran_fh *fh) fh->buffers.buffer[i].jpg.frag_tab[0] = cpu_to_le32(virt_to_bus(mem)); fh->buffers.buffer[i].jpg.frag_tab[1] = - cpu_to_le32((fh->buffers.buffer_size >> 1) | 1); - for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE) + cpu_to_le32((zr->buffer_size >> 1) | 1); + for (off = 0; off < zr->buffer_size; off += PAGE_SIZE) SetPageReserved(virt_to_page(mem + off)); } else { /* jpg_bufsize is already page aligned */ - for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) { + for (j = 0; j < zr->buffer_size / PAGE_SIZE; j++) { mem = (void *)get_zeroed_page(GFP_KERNEL); if (!mem) { pci_err(zr->pci_dev, "%s - get_zeroed_page failed for buffer %d\n", __func__, i); @@ -341,7 +344,7 @@ static int jpg_fbuffer_alloc(struct zoran_fh *fh) } pci_dbg(zr->pci_dev, "%s - %d KB allocated\n", __func__, - (fh->buffers.num_buffers * fh->buffers.buffer_size) >> 10); + (fh->buffers.num_buffers * zr->buffer_size) >> 10); fh->buffers.allocated = 1; @@ -369,14 +372,14 @@ static void jpg_fbuffer_free(struct zoran_fh *fh) if (frag_tab) { mem = bus_to_virt(le32_to_cpu(frag_tab)); - for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE) + for (off = 0; off < zr->buffer_size; off += PAGE_SIZE) ClearPageReserved(virt_to_page(mem + off)); kfree(mem); buffer->jpg.frag_tab[0] = 0; buffer->jpg.frag_tab[1] = 0; } } else { - for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) { + for (j = 0; j < zr->buffer_size / PAGE_SIZE; j++) { frag_tab = buffer->jpg.frag_tab[2 * j]; if (!frag_tab) @@ -416,9 +419,9 @@ static int zoran_v4l_set_format(struct zoran_fh *fh, int width, int height, bpp = (format->depth + 7) / 8; /* Check against available buffer size */ - if (height * width * bpp > fh->buffers.buffer_size) { + if (height * width * bpp > zr->buffer_size) { pci_err(zr->pci_dev, "%s - video buffer size (%d kB) is too small\n", - __func__, fh->buffers.buffer_size >> 10); + __func__, zr->buffer_size >> 10); return -EINVAL; } @@ -1189,7 +1192,7 @@ static int zoran_v4l2_buffer_status(struct zoran_fh *fh, spin_unlock_irqrestore(&zr->spinlock, flags); buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - buf->length = fh->buffers.buffer_size; + buf->length = zr->buffer_size; /* get buffer */ buf->bytesused = fh->buffers.buffer[num].bs.length; @@ -1222,7 +1225,7 @@ static int zoran_v4l2_buffer_status(struct zoran_fh *fh, buf->type = (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ? V4L2_BUF_TYPE_VIDEO_CAPTURE : V4L2_BUF_TYPE_VIDEO_OUTPUT; - buf->length = fh->buffers.buffer_size; + buf->length = zr->buffer_size; /* these variables are only written after frame has been captured */ if (fh->buffers.buffer[num].state == BUZ_STATE_DONE || @@ -1634,7 +1637,7 @@ static int zoran_s_fmt_vid_out(struct file *file, void *__fh, struct v4l2_format fh->jpg_settings = settings; map_mode_jpg(fh, fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT); - fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings); + zr->buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings); /* tell the user what we actually did */ fmt->fmt.pix.width = settings.img_width / settings.HorDcm; @@ -1646,7 +1649,7 @@ static int zoran_s_fmt_vid_out(struct file *file, void *__fh, struct v4l2_format fmt->fmt.pix.field = (fh->jpg_settings.odd_even ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); fmt->fmt.pix.bytesperline = 0; - fmt->fmt.pix.sizeimage = fh->buffers.buffer_size; + fmt->fmt.pix.sizeimage = zr->buffer_size; fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return res; } @@ -1798,7 +1801,7 @@ static int zoran_reqbufs(struct file *file, void *__fh, struct v4l2_requestbuffe /* The next mmap will map the MJPEG buffers */ map_mode_jpg(fh, req->type == V4L2_BUF_TYPE_VIDEO_OUTPUT); fh->buffers.num_buffers = req->count; - fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings); + zr->buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings); if (jpg_fbuffer_alloc(fh)) { res = -ENOMEM; @@ -2270,8 +2273,7 @@ static int zoran_s_jpegcomp(struct file *file, void *__fh, if (res) return res; if (!fh->buffers.allocated) - fh->buffers.buffer_size = - zoran_v4l2_calc_bufsize(&fh->jpg_settings); + zr->buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings); fh->jpg_settings.jpg_comp = settings.jpg_comp; return res; } @@ -2437,15 +2439,15 @@ static int zoran_mmap(struct file *file, struct vm_area_struct *vma) return res; } - first = offset / fh->buffers.buffer_size; - last = first - 1 + size / fh->buffers.buffer_size; - if (offset % fh->buffers.buffer_size != 0 || - size % fh->buffers.buffer_size != 0 || first < 0 || + first = offset / zr->buffer_size; + last = first - 1 + size / zr->buffer_size; + if (offset % zr->buffer_size != 0 || + size % zr->buffer_size != 0 || first < 0 || last < 0 || first >= fh->buffers.num_buffers || - last >= fh->buffers.buffer_size) { + last >= zr->buffer_size) { pci_err(zr->pci_dev, "%s(%s) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n", __func__, mode_name(fh->map_mode), offset, size, - fh->buffers.buffer_size, + zr->buffer_size, fh->buffers.num_buffers); res = -EINVAL; return res; @@ -2476,8 +2478,8 @@ static int zoran_mmap(struct file *file, struct vm_area_struct *vma) if (fh->map_mode == ZORAN_MAP_MODE_RAW) { for (i = first; i <= last; i++) { todo = size; - if (todo > fh->buffers.buffer_size) - todo = fh->buffers.buffer_size; + if (todo > zr->buffer_size) + todo = zr->buffer_size; page = fh->buffers.buffer[i].v4l.fbuffer_phys; if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, todo, PAGE_SHARED)) { @@ -2494,7 +2496,7 @@ static int zoran_mmap(struct file *file, struct vm_area_struct *vma) } else { for (i = first; i <= last; i++) { for (j = 0; - j < fh->buffers.buffer_size / PAGE_SIZE; + j < zr->buffer_size / PAGE_SIZE; j++) { fraglen = (le32_to_cpu(fh->buffers.buffer[i].jpg.

[RFT/RFC,17/49] staging: media: zoran: move buffer_size out of zoran_fh

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