On 08/01/2016 02:13 AM, Philipp Zabel wrote: > Am Sonntag, den 31.07.2016, 12:42 -0700 schrieb Steve Longerbeam: >> Adds functions to link and unlink source channels to sink >> channels in the FSU: >> >> int ipu_fsu_link(struct ipu_soc *ipu, int src_ch, int sink_ch); >> int ipu_fsu_unlink(struct ipu_soc *ipu, int src_ch, int sink_ch); >> >> The channels numbers are usually IDMAC channels, but they can also be >> channels that do not transfer data to or from memory. The following >> convenience functions can be used in place of ipu_fsu_link/unlink() >> when both source and sink channels are IDMAC channels: >> >> int ipu_idmac_link(struct ipuv3_channel *src, struct ipuv3_channel *sink); >> int ipu_idmac_unlink(struct ipuv3_channel *src, struct ipuv3_channel *sink); >> >> So far the following links are supported: >> >> IPUV3_CHANNEL_IC_PRP_ENC_MEM -> IPUV3_CHANNEL_MEM_ROT_ENC >> PUV3_CHANNEL_IC_PRP_VF_MEM -> IPUV3_CHANNEL_MEM_ROT_VF >> IPUV3_CHANNEL_IC_PP_MEM -> IPUV3_CHANNEL_MEM_ROT_PP >> IPUV3_CHANNEL_CSI_DIRECT -> IPUV3_CHANNEL_CSI_VDI_PREV > Looks good to me, thanks. Are you sure though that the target of the CSI > direct channel is VDI_PREV? I would have assumed the CSI input is fed > into VDI_NEXT, while CUR and PREV are read from memory. Reprinting from the TRM: 37.4.11.4 Real Time Mode In Real Time Mode the F(n-1) are coming from CSI. The CSI write to FIFO1. The DI sub-block read F(n-1) from processing. In addition IDMAC read the field from FIFO1 and store in external memory. Then stored frames are used as F(n) and F(n+1). Steve _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel