Displaying 5 results from an estimated 5 matches for "r535_gsp_msg".
2024 Dec 11
1
[PATCH v3 01/15] nvkm: add a kernel doc to introduce the GSP RPC
...unication between software and GSP. The software submits the GSP
> + * RPC via the GSP command queue, GSP writes the status of the submitted
> + * RPC in the status queue.
> + *
> + * A GSP message queue element consists of three parts:
> + *
> + * - message element header (struct r535_gsp_msg), which mostly maintains
> + * the metadata for queuing the element.
> + *
> + * - RPC message header (struct nvfw_gsp_rpc), which maintains the info
> + * of the RPC. E.g., the RPC function number.
> + *
> + * - The payload, where the RPC message stays. E.g. the params of a
>...
2024 Oct 31
16
[PATCH v3 00/15] NVKM GSP RPC kernel docs, cleanups and fixes
...he GSP message and denote the
memory layout.
- Add a decoder section in the kernel doc to explain the terms in the code.
- Refine the many confusing variable names to align with the terms in the
kernel doc.
- Introduce the continaution records in the kernel doc.
- Re-factor the complicated function r535_gsp_msgq_wait().
- Other minor cleanups.
v2:
- Remove the Fixes: tags as the vanilla nouveau aren't going to hit these bugs. (Danilo)
- Test the patchset on VK-GL-CTS. (Danilo)
- Remove the ambiguous empty line in PATCH 2. (Danilo)
- Rename the r535_gsp_msgq_wait to gsp_msgq_recv. (Danilo)
- Introduc...
2024 Dec 11
1
[PATCH v3 02/15] nvkm: rename "repc" to "gsp_rpc_len" on the GSP message recv path
.../nouveau/nvkm/subdev/gsp/r535.c
> @@ -104,6 +104,9 @@
> * | params |
> * +------------------------+
> *
> + * decoders:
Maybe nomenclature or terminology instead?
> + *
> + * - gsp_rpc_len: size of (GSP RPC header + payload)
> */
>
> struct r535_gsp_msg {
> @@ -133,7 +136,8 @@ r535_rpc_status_to_errno(uint32_t rpc_status)
> }
>
> static void *
> -r535_gsp_msgq_wait(struct nvkm_gsp *gsp, u32 repc, u32 *prepc, int *ptime)
> +r535_gsp_msgq_wait(struct nvkm_gsp *gsp, u32 gsp_rpc_len, u32 *prepc,
> + int *ptime)
> {
>...
2023 Dec 22
1
[PATCH 07/11] nouveau/gsp: convert gsp errors to generic errors
...), 5 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 774ca47b019f..54c1fbccc013 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -70,6 +70,20 @@ struct r535_gsp_msg {
#define GSP_MSG_HDR_SIZE offsetof(struct r535_gsp_msg, data)
+static int
+r535_rpc_status_to_errno(uint32_t rpc_status)
+{
+ switch (rpc_status) {
+ case 0x55: /* NV_ERR_NOT_READY */
+ case 0x66: /* NV_ERR_TIMEOUT_RETRY */
+ return -EAGAIN;
+ case 0x51: /...
2023 Dec 22
11
nouveau GSP fixes
This is a collection of nouveau debug prints, memory leak, a very
annoying race condition causing system hangs with prime scenarios,
and a fix from Lyude to get the panel on my laptop working.
I'd like to get these into 6.7,
Dave.