On 10/14/2024 5:24 PM, Krzysztof Kozlowski wrote: > On 14/10/2024 11:07, Dikshita Agarwal wrote: >> Introduce support for Qualcomm new video acceleration hardware i.e. >> iris, used for video stream decoding. >> >> Iris is a multi pipe based hardware that offloads video stream decoding >> from the application processor (AP). It supports H.264 decoding. >> The AP communicates with hardware through a well defined protocol, >> called as host firmware interface (HFI), which provides fine-grained >> and asynchronous control over individual hardware features. >> >> This driver implements upgraded HFI gen2 to communicate with firmware. >> It supports SM8550 which is based out of HFI gen 2. It also supports >> SM8250 which is based out of HFI gen1. >> >> This driver comes with below capabilities: >> - V4L2 complaint video driver with M2M and STREAMING capability. >> - Supports H264 decoder. >> >> This driver comes with below features: >> - Centralized resource management. >> - Centralized management of core and instance states. >> - Defines platform specific capabilities and features. As a results, it >> provides a single point of control to enable/disable a given feature >> depending on specific platform capabilities. >> - Handles various video recommended sequences, like DRC, Drain, Seek, >> EOS. >> - Implements asynchronous communication with hardware to achieve better >> experience in low latency usecases. >> - Output and capture planes are controlled independently. Thereby >> providing a way to reconfigure individual plane. >> - Native hardware support of LAST flag which is mandatory to align with >> port reconfiguration and DRAIN sequence as per V4L guidelines. >> >> Changes since v3: > > You send the patches with b4, so why do you strip the link to previous > series? It makes out life just more difficult. Include the link, how the > b4 instructs you. > Sure, Noted. Link to v3 - https://lore.kernel.org/linux-media/9b116753-9a21-4f9c-b86f-dded20713b53@xxxxxxxxxx/ Thanks, Dikshita > Best regards, > Krzysztof >
