[PATCH V2 2/4] Revert "media: platform: ti: Remove unused vpdma_update_dma_addr"
Yemike Abhilash Chandra
y-abhilashchandra at ti.com
Tue Aug 26 01:26:26 PDT 2025
Hi Krzysztof,
Thanks for the review.
On 16/07/25 19:53, Krzysztof Kozlowski wrote:
> On 16/07/2025 13:19, Yemike Abhilash Chandra wrote:
>> This reverts commit 9314891df119442a6ec1518b3d872c330e2bf1a1.
>>
>> We're adding support for TI VIP driver, so this is no longer unused.
>>
>> Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra at ti.com>
>> ---
>> drivers/media/platform/ti/vpe/vpdma.c | 32 +++++++++++++++++++++++++++
>> drivers/media/platform/ti/vpe/vpdma.h | 3 +++
>> 2 files changed, 35 insertions(+)
>>
>> diff --git a/drivers/media/platform/ti/vpe/vpdma.c b/drivers/media/platform/ti/vpe/vpdma.c
>> index bb8a8bd7980c..da90d7f03f82 100644
>> --- a/drivers/media/platform/ti/vpe/vpdma.c
>> +++ b/drivers/media/platform/ti/vpe/vpdma.c
>> @@ -552,6 +552,38 @@ EXPORT_SYMBOL(vpdma_submit_descs);
>>
>> static void dump_dtd(struct vpdma_dtd *dtd);
>>
>
>
> Please add kerneldoc.
>
I will add kerneldoc in v3. Thanks
>> +void vpdma_update_dma_addr(struct vpdma_data *vpdma,
>> + struct vpdma_desc_list *list, dma_addr_t dma_addr,
>> + void *write_dtd, int drop, int idx)
>> +{
>> + struct vpdma_dtd *dtd = list->buf.addr;
>> + dma_addr_t write_desc_addr;
>> + int offset;
>> +
>> + dtd += idx;
>> + vpdma_unmap_desc_buf(vpdma, &list->buf);
>> +
>> + dtd->start_addr = dma_addr;
>> +
>> + /* Calculate write address from the offset of write_dtd from start
>> + * of the list->buf
>> + */
>> + offset = (void *)write_dtd - list->buf.addr;
>> + write_desc_addr = list->buf.dma_addr + offset;
>> +
>> + if (drop)
>> + dtd->desc_write_addr = dtd_desc_write_addr(write_desc_addr,
>> + 1, 1, 0);
>> + else
>> + dtd->desc_write_addr = dtd_desc_write_addr(write_desc_addr,
>> + 1, 0, 0);
>> +
>> + vpdma_map_desc_buf(vpdma, &list->buf);
>> +
>> + dump_dtd(dtd);
>> +}
>> +EXPORT_SYMBOL(vpdma_update_dma_addr);
>
>
> This has to be GPL
>
I will correct this in v3.
Thanks and Regards
Yemike Abhilash Chandra
>> +
>> void vpdma_set_max_size(struct vpdma_data *vpdma, int reg_addr,
>> u32 width, u32 height)
>
> Best regards,
> Krzysztof
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