Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=195b1252517d504391d29f71b789d4c1c9f605e0
Commit: 195b1252517d504391d29f71b789d4c1c9f605e0
Parent: 0bfeb04a9f3ad9ad8c9bbba062231ff1a76e4465
Author: Ian Armstrong <[EMAIL PROTECTED]>
AuthorDate: Sun Oct 14 13:12:28 2007 -0300
Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Mon Oct 22 12:01:48 2007 -0200
V4L/DVB (6346): ivtvfb: YUV output size fix when ivtvfb is not loaded
If the ivtvfb module isn't loaded, the valid YUV output area should be set
to
full-screen. This patch fixes the case where the valid output area was not
reset when the output broadcast format was changed from NTSC to PAL. This
resulted in output being limited to the top 480 lines of the display.
Signed-off-by: Ian Armstrong <[EMAIL PROTECTED]>
Signed-off-by: Hans Verkuil <[EMAIL PROTECTED]>
Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
drivers/media/video/ivtv/ivtv-yuv.c | 138 ++++++++++++++++++-----------------
1 files changed, 72 insertions(+), 66 deletions(-)
diff --git a/drivers/media/video/ivtv/ivtv-yuv.c
b/drivers/media/video/ivtv/ivtv-yuv.c
index 13c3582..9091c48 100644
--- a/drivers/media/video/ivtv/ivtv-yuv.c
+++ b/drivers/media/video/ivtv/ivtv-yuv.c
@@ -857,95 +857,101 @@ void ivtv_yuv_work_handler (struct ivtv *itv)
static void ivtv_yuv_init (struct ivtv *itv)
{
+ struct yuv_playback_info *yi = &itv->yuv_info;
+
IVTV_DEBUG_YUV("ivtv_yuv_init\n");
/* Take a snapshot of the current register settings */
- itv->yuv_info.reg_2834 = read_reg(0x02834);
- itv->yuv_info.reg_2838 = read_reg(0x02838);
- itv->yuv_info.reg_283c = read_reg(0x0283c);
- itv->yuv_info.reg_2840 = read_reg(0x02840);
- itv->yuv_info.reg_2844 = read_reg(0x02844);
- itv->yuv_info.reg_2848 = read_reg(0x02848);
- itv->yuv_info.reg_2854 = read_reg(0x02854);
- itv->yuv_info.reg_285c = read_reg(0x0285c);
- itv->yuv_info.reg_2864 = read_reg(0x02864);
- itv->yuv_info.reg_2870 = read_reg(0x02870);
- itv->yuv_info.reg_2874 = read_reg(0x02874);
- itv->yuv_info.reg_2898 = read_reg(0x02898);
- itv->yuv_info.reg_2890 = read_reg(0x02890);
-
- itv->yuv_info.reg_289c = read_reg(0x0289c);
- itv->yuv_info.reg_2918 = read_reg(0x02918);
- itv->yuv_info.reg_291c = read_reg(0x0291c);
- itv->yuv_info.reg_2920 = read_reg(0x02920);
- itv->yuv_info.reg_2924 = read_reg(0x02924);
- itv->yuv_info.reg_2928 = read_reg(0x02928);
- itv->yuv_info.reg_292c = read_reg(0x0292c);
- itv->yuv_info.reg_2930 = read_reg(0x02930);
- itv->yuv_info.reg_2934 = read_reg(0x02934);
- itv->yuv_info.reg_2938 = read_reg(0x02938);
- itv->yuv_info.reg_293c = read_reg(0x0293c);
- itv->yuv_info.reg_2940 = read_reg(0x02940);
- itv->yuv_info.reg_2944 = read_reg(0x02944);
- itv->yuv_info.reg_2948 = read_reg(0x02948);
- itv->yuv_info.reg_294c = read_reg(0x0294c);
- itv->yuv_info.reg_2950 = read_reg(0x02950);
- itv->yuv_info.reg_2954 = read_reg(0x02954);
- itv->yuv_info.reg_2958 = read_reg(0x02958);
- itv->yuv_info.reg_295c = read_reg(0x0295c);
- itv->yuv_info.reg_2960 = read_reg(0x02960);
- itv->yuv_info.reg_2964 = read_reg(0x02964);
- itv->yuv_info.reg_2968 = read_reg(0x02968);
- itv->yuv_info.reg_296c = read_reg(0x0296c);
- itv->yuv_info.reg_2970 = read_reg(0x02970);
-
- itv->yuv_info.v_filter_1 = -1;
- itv->yuv_info.v_filter_2 = -1;
- itv->yuv_info.h_filter = -1;
+ yi->reg_2834 = read_reg(0x02834);
+ yi->reg_2838 = read_reg(0x02838);
+ yi->reg_283c = read_reg(0x0283c);
+ yi->reg_2840 = read_reg(0x02840);
+ yi->reg_2844 = read_reg(0x02844);
+ yi->reg_2848 = read_reg(0x02848);
+ yi->reg_2854 = read_reg(0x02854);
+ yi->reg_285c = read_reg(0x0285c);
+ yi->reg_2864 = read_reg(0x02864);
+ yi->reg_2870 = read_reg(0x02870);
+ yi->reg_2874 = read_reg(0x02874);
+ yi->reg_2898 = read_reg(0x02898);
+ yi->reg_2890 = read_reg(0x02890);
+
+ yi->reg_289c = read_reg(0x0289c);
+ yi->reg_2918 = read_reg(0x02918);
+ yi->reg_291c = read_reg(0x0291c);
+ yi->reg_2920 = read_reg(0x02920);
+ yi->reg_2924 = read_reg(0x02924);
+ yi->reg_2928 = read_reg(0x02928);
+ yi->reg_292c = read_reg(0x0292c);
+ yi->reg_2930 = read_reg(0x02930);
+ yi->reg_2934 = read_reg(0x02934);
+ yi->reg_2938 = read_reg(0x02938);
+ yi->reg_293c = read_reg(0x0293c);
+ yi->reg_2940 = read_reg(0x02940);
+ yi->reg_2944 = read_reg(0x02944);
+ yi->reg_2948 = read_reg(0x02948);
+ yi->reg_294c = read_reg(0x0294c);
+ yi->reg_2950 = read_reg(0x02950);
+ yi->reg_2954 = read_reg(0x02954);
+ yi->reg_2958 = read_reg(0x02958);
+ yi->reg_295c = read_reg(0x0295c);
+ yi->reg_2960 = read_reg(0x02960);
+ yi->reg_2964 = read_reg(0x02964);
+ yi->reg_2968 = read_reg(0x02968);
+ yi->reg_296c = read_reg(0x0296c);
+ yi->reg_2970 = read_reg(0x02970);
+
+ yi->v_filter_1 = -1;
+ yi->v_filter_2 = -1;
+ yi->h_filter = -1;
/* Set some valid size info */
- itv->yuv_info.osd_x_offset = read_reg(0x02a04) & 0x00000FFF;
- itv->yuv_info.osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF;
+ yi->osd_x_offset = read_reg(0x02a04) & 0x00000FFF;
+ yi->osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF;
/* Bit 2 of reg 2878 indicates current decoder output format
0 : NTSC 1 : PAL */
if (read_reg(0x2878) & 4)
- itv->yuv_info.decode_height = 576;
+ yi->decode_height = 576;
else
- itv->yuv_info.decode_height = 480;
-
- /* If no visible size set, assume full size */
- if (!itv->yuv_info.osd_vis_w)
- itv->yuv_info.osd_vis_w = 720 - itv->yuv_info.osd_x_offset;
+ yi->decode_height = 480;
- if (!itv->yuv_info.osd_vis_h) {
- itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height -
itv->yuv_info.osd_y_offset;
+ if (!itv->osd_info) {
+ yi->osd_vis_w = 720 - yi->osd_x_offset;
+ yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
} else {
- /* If output video standard has changed, requested height may
- not be legal */
- if (itv->yuv_info.osd_vis_h + itv->yuv_info.osd_y_offset >
itv->yuv_info.decode_height) {
- IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d)
exceeds video standard limit (%d)\n",
- itv->yuv_info.osd_vis_h +
itv->yuv_info.osd_y_offset,
- itv->yuv_info.decode_height);
- itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height -
itv->yuv_info.osd_y_offset;
+ /* If no visible size set, assume full size */
+ if (!yi->osd_vis_w)
+ yi->osd_vis_w = 720 - yi->osd_x_offset;
+
+ if (!yi->osd_vis_h)
+ yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
+ else {
+ /* If output video standard has changed, requested
height may
+ not be legal */
+ if (yi->osd_vis_h + yi->osd_y_offset >
yi->decode_height) {
+ IVTV_DEBUG_WARN("Clipping yuv output - fb size
(%d) exceeds video standard limit (%d)\n",
+ yi->osd_vis_h +
yi->osd_y_offset,
+ yi->decode_height);
+ yi->osd_vis_h = yi->decode_height -
yi->osd_y_offset;
+ }
}
}
/* We need a buffer for blanking when Y plane is offset - non-fatal if
we can't get one */
- itv->yuv_info.blanking_ptr = kzalloc(720*16,GFP_KERNEL);
- if (itv->yuv_info.blanking_ptr) {
- itv->yuv_info.blanking_dmaptr = pci_map_single(itv->dev,
itv->yuv_info.blanking_ptr, 720*16, PCI_DMA_TODEVICE);
- }
+ yi->blanking_ptr = kzalloc(720*16, GFP_KERNEL);
+ if (yi->blanking_ptr)
+ yi->blanking_dmaptr = pci_map_single(itv->dev,
yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE);
else {
- itv->yuv_info.blanking_dmaptr = 0;
- IVTV_DEBUG_WARN ("Failed to allocate yuv blanking buffer\n");
+ yi->blanking_dmaptr = 0;
+ IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n");
}
/* Enable YUV decoder output */
write_reg_sync(0x01, IVTV_REG_VDM);
set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags);
- atomic_set(&itv->yuv_info.next_dma_frame,0);
+ atomic_set(&yi->next_dma_frame, 0);
}
int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
-
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