> -----Original Message-----
> From: Taneja, Archit
> Sent: Friday, September 16, 2011 3:31 PM
> To: Hiremath, Vaibhav
> Cc: Valkeinen, Tomi; [email protected]; Semwal, Sumit; linux-
> [email protected]; Taneja, Archit
> Subject: [PATCH 2/5] [media]: OMAP_VOUT: CLEANUP: Remove redundant code
> from omap_vout_isr
>
> Currently, there is a lot of redundant code is between DPI and VENC panels,
> this
> can be made common by moving out field/interlace specific code to a
> separate
> function called omapvid_handle_interlace_display(). There is no functional
> change made.
>
> Signed-off-by: Archit Taneja <[email protected]>
> ---
> drivers/media/video/omap/omap_vout.c | 172 ++++++++++++++++-------------
> -----
> 1 files changed, 82 insertions(+), 90 deletions(-)
>
> diff --git a/drivers/media/video/omap/omap_vout.c
> b/drivers/media/video/omap/omap_vout.c
> index e14c82b..c5f2ea0 100644
> --- a/drivers/media/video/omap/omap_vout.c
> +++ b/drivers/media/video/omap/omap_vout.c
> @@ -524,10 +524,50 @@ static int omapvid_apply_changes(struct
> omap_vout_device *vout)
> return 0;
> }
>
> +static int omapvid_handle_interlace_display(struct omap_vout_device *vout,
> + unsigned int irqstatus, struct timeval timevalue)
> +{
> + u32 fid;
> +
> + if (vout->first_int) {
> + vout->first_int = 0;
> + goto err;
> + }
> +
> + if (irqstatus & DISPC_IRQ_EVSYNC_ODD)
> + fid = 1;
> + else if (irqstatus & DISPC_IRQ_EVSYNC_EVEN)
> + fid = 0;
> + else
> + goto err;
> +
> + vout->field_id ^= 1;
> + if (fid != vout->field_id) {
> + /* reset field ID */
> + vout->field_id = 0;
[Hiremath, Vaibhav] You should check whether fid == 0 before resetting it.
> + } else if (0 == fid) {
[Hiremath, Vaibhav] This is not matching with the original code, probably I
have to be more careful here. I need to spend more time here...
> + if (vout->cur_frm == vout->next_frm)
> + goto err;
> +
> + vout->cur_frm->ts = timevalue;
> + vout->cur_frm->state = VIDEOBUF_DONE;
> + wake_up_interruptible(&vout->cur_frm->done);
> + vout->cur_frm = vout->next_frm;
> + } else {
> + if (list_empty(&vout->dma_queue) ||
> + (vout->cur_frm != vout->next_frm))
> + goto err;
> + }
> +
> + return vout->field_id;
> +err:
> + return 0;
> +}
> +
> static void omap_vout_isr(void *arg, unsigned int irqstatus)
> {
> - int ret;
> - u32 addr, fid;
> + int ret, fid;
> + u32 addr;
> struct omap_overlay *ovl;
> struct timeval timevalue;
> struct omapvideo_info *ovid;
> @@ -548,107 +588,59 @@ static void omap_vout_isr(void *arg, unsigned int
> irqstatus)
> spin_lock(&vout->vbq_lock);
> do_gettimeofday(&timevalue);
>
> - if (cur_display->type != OMAP_DISPLAY_TYPE_VENC) {
> - switch (cur_display->type) {
> - case OMAP_DISPLAY_TYPE_DPI:
> - if (!(irqstatus & (DISPC_IRQ_VSYNC | DISPC_IRQ_VSYNC2)))
> - goto vout_isr_err;
> - break;
> - case OMAP_DISPLAY_TYPE_HDMI:
> - if (!(irqstatus & DISPC_IRQ_EVSYNC_EVEN))
> - goto vout_isr_err;
> - break;
> - default:
> + switch (cur_display->type) {
> + case OMAP_DISPLAY_TYPE_DPI:
> + if (!(irqstatus & (DISPC_IRQ_VSYNC | DISPC_IRQ_VSYNC2)))
> goto vout_isr_err;
> - }
> - if (!vout->first_int && (vout->cur_frm != vout->next_frm)) {
> - vout->cur_frm->ts = timevalue;
> - vout->cur_frm->state = VIDEOBUF_DONE;
> - wake_up_interruptible(&vout->cur_frm->done);
> - vout->cur_frm = vout->next_frm;
> - }
> - vout->first_int = 0;
> - if (list_empty(&vout->dma_queue))
> + break;
> + case OMAP_DISPLAY_TYPE_VENC:
> + fid = omapvid_handle_interlace_display(vout, irqstatus,
> + timevalue);
> + if (!fid)
> goto vout_isr_err;
[Hiremath, Vaibhav]
Have you tested TV out functionality?
> + break;
> + case OMAP_DISPLAY_TYPE_HDMI:
> + if (!(irqstatus & DISPC_IRQ_EVSYNC_EVEN))
> + goto vout_isr_err;
> + break;
> + default:
> + goto vout_isr_err;
> + }
>
> - vout->next_frm = list_entry(vout->dma_queue.next,
> - struct videobuf_buffer, queue);
> - list_del(&vout->next_frm->queue);
> -
> - vout->next_frm->state = VIDEOBUF_ACTIVE;
> -
> - addr = (unsigned long) vout->queued_buf_addr[vout->next_frm-
> >i]
> - + vout->cropped_offset;
> + if (!vout->first_int && (vout->cur_frm != vout->next_frm)) {
> + vout->cur_frm->ts = timevalue;
> + vout->cur_frm->state = VIDEOBUF_DONE;
> + wake_up_interruptible(&vout->cur_frm->done);
> + vout->cur_frm = vout->next_frm;
> + }
>
> - /* First save the configuration in ovelray structure */
> - ret = omapvid_init(vout, addr);
> - if (ret)
> - printk(KERN_ERR VOUT_NAME
> - "failed to set overlay info\n");
> - /* Enable the pipeline and set the Go bit */
> - ret = omapvid_apply_changes(vout);
> - if (ret)
> - printk(KERN_ERR VOUT_NAME "failed to change mode\n");
> - } else {
> + vout->first_int = 0;
> + if (list_empty(&vout->dma_queue))
> + goto vout_isr_err;
>
> - if (vout->first_int) {
> - vout->first_int = 0;
> - goto vout_isr_err;
> - }
> - if (irqstatus & DISPC_IRQ_EVSYNC_ODD)
> - fid = 1;
> - else if (irqstatus & DISPC_IRQ_EVSYNC_EVEN)
> - fid = 0;
> - else
> - goto vout_isr_err;
> + vout->next_frm = list_entry(vout->dma_queue.next,
> + struct videobuf_buffer, queue);
> + list_del(&vout->next_frm->queue);
>
> - vout->field_id ^= 1;
> - if (fid != vout->field_id) {
> - if (0 == fid)
> - vout->field_id = fid;
> + vout->next_frm->state = VIDEOBUF_ACTIVE;
>
> - goto vout_isr_err;
> - }
> - if (0 == fid) {
> - if (vout->cur_frm == vout->next_frm)
> - goto vout_isr_err;
> -
> - vout->cur_frm->ts = timevalue;
> - vout->cur_frm->state = VIDEOBUF_DONE;
> - wake_up_interruptible(&vout->cur_frm->done);
> - vout->cur_frm = vout->next_frm;
> - } else if (1 == fid) {
> - if (list_empty(&vout->dma_queue) ||
> - (vout->cur_frm != vout->next_frm))
> - goto vout_isr_err;
> -
> - vout->next_frm = list_entry(vout->dma_queue.next,
> - struct videobuf_buffer, queue);
> - list_del(&vout->next_frm->queue);
> -
> - vout->next_frm->state = VIDEOBUF_ACTIVE;
> - addr = (unsigned long)
> - vout->queued_buf_addr[vout->next_frm->i] +
> - vout->cropped_offset;
> - /* First save the configuration in ovelray structure */
> - ret = omapvid_init(vout, addr);
> - if (ret)
> - printk(KERN_ERR VOUT_NAME
> - "failed to set overlay info\n");
> - /* Enable the pipeline and set the Go bit */
> - ret = omapvid_apply_changes(vout);
> - if (ret)
> - printk(KERN_ERR VOUT_NAME
> - "failed to change mode\n");
> - }
> + addr = (unsigned long) vout->queued_buf_addr[vout->next_frm->i]
> + + vout->cropped_offset;
>
> - }
> + /* First save the configuration in ovelray structure */
> + ret = omapvid_init(vout, addr);
> + if (ret)
> + printk(KERN_ERR VOUT_NAME
> + "failed to set overlay info\n");
> + /* Enable the pipeline and set the Go bit */
> + ret = omapvid_apply_changes(vout);
> + if (ret)
> + printk(KERN_ERR VOUT_NAME "failed to change mode\n");
>
> vout_isr_err:
> spin_unlock(&vout->vbq_lock);
> }
[Hiremath, Vaibhav] Overall this clean-up was required, thanks for working on
this patch.
Thanks,
Vaibhav
>
> -
> /* Video buffer call backs */
>
> /*
> --
> 1.7.1
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