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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
215 lines
7.3 KiB
Diff
215 lines
7.3 KiB
Diff
From ac1d09b5d0dd7e9877ace3954d6042723fa75169 Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Mon, 15 Aug 2022 19:44:20 +0100
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Subject: [PATCH] vc04_services/vc-sm-cma: Handle upstream require
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vchiq_instance to be passed around
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---
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.../staging/vc04_services/vc-sm-cma/vc_sm.c | 12 +++----
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.../vc04_services/vc-sm-cma/vc_sm_cma_vchi.c | 36 +++++++++++--------
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.../vc04_services/vc-sm-cma/vc_sm_cma_vchi.h | 2 +-
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3 files changed, 28 insertions(+), 22 deletions(-)
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--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
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+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
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@@ -106,6 +106,7 @@ struct sm_state_t {
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* has finished with a resource.
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*/
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u32 int_trans_id; /* Interrupted transaction. */
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+ struct vchiq_instance *vchiq_instance;
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};
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struct vc_sm_dma_buf_attachment {
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@@ -1491,7 +1492,6 @@ static const struct file_operations vc_s
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static void vc_sm_connected_init(void)
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{
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int ret;
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- struct vchiq_instance *vchiq_instance;
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struct vc_sm_version version;
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struct vc_sm_result_t version_result;
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@@ -1501,7 +1501,7 @@ static void vc_sm_connected_init(void)
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* Initialize and create a VCHI connection for the shared memory service
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* running on videocore.
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*/
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- ret = vchiq_initialise(&vchiq_instance);
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+ ret = vchiq_initialise(&sm_state->vchiq_instance);
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if (ret) {
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pr_err("[%s]: failed to initialise VCHI instance (ret=%d)\n",
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__func__, ret);
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@@ -1509,7 +1509,7 @@ static void vc_sm_connected_init(void)
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return;
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}
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- ret = vchiq_connect(vchiq_instance);
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+ ret = vchiq_connect(sm_state->vchiq_instance);
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if (ret) {
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pr_err("[%s]: failed to connect VCHI instance (ret=%d)\n",
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__func__, ret);
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@@ -1518,7 +1518,7 @@ static void vc_sm_connected_init(void)
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}
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/* Initialize an instance of the shared memory service. */
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- sm_state->sm_handle = vc_sm_cma_vchi_init(vchiq_instance, 1,
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+ sm_state->sm_handle = vc_sm_cma_vchi_init(sm_state->vchiq_instance, 1,
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vc_sm_vpu_event);
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if (!sm_state->sm_handle) {
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pr_err("[%s]: failed to initialize shared memory service\n",
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@@ -1576,7 +1576,7 @@ err_remove_misc_dev:
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misc_deregister(&sm_state->misc_dev);
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err_remove_debugfs:
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debugfs_remove_recursive(sm_state->dir_root);
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- vc_sm_cma_vchi_stop(&sm_state->sm_handle);
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+ vc_sm_cma_vchi_stop(sm_state->vchiq_instance, &sm_state->sm_handle);
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}
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/* Driver loading. */
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@@ -1614,7 +1614,7 @@ static int bcm2835_vc_sm_cma_remove(stru
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debugfs_remove_recursive(sm_state->dir_root);
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/* Stop the videocore shared memory service. */
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- vc_sm_cma_vchi_stop(&sm_state->sm_handle);
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+ vc_sm_cma_vchi_stop(sm_state->vchiq_instance, &sm_state->sm_handle);
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}
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if (sm_state) {
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--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
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+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
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@@ -70,7 +70,7 @@ struct sm_instance {
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struct list_head free_list;
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struct semaphore free_sema;
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-
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+ struct vchiq_instance *vchiq_instance;
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};
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/* ---- Private Variables ------------------------------------------------ */
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@@ -79,11 +79,11 @@ struct sm_instance {
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/* ---- Private Functions ------------------------------------------------ */
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static int
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-bcm2835_vchi_msg_queue(unsigned int handle,
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+bcm2835_vchi_msg_queue(struct vchiq_instance *vchiq_instance, unsigned int handle,
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void *data,
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unsigned int size)
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{
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- return vchiq_queue_kernel_message(handle, data, size);
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+ return vchiq_queue_kernel_message(vchiq_instance, handle, data, size);
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}
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static struct
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@@ -187,12 +187,12 @@ static int vc_sm_cma_vchi_videocore_io(v
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while (1) {
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if (svc_use)
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- vchiq_release_service(instance->service_handle[0]);
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+ vchiq_release_service(instance->vchiq_instance, instance->service_handle[0]);
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svc_use = 0;
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if (wait_for_completion_interruptible(&instance->io_cmplt))
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continue;
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- vchiq_use_service(instance->service_handle[0]);
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+ vchiq_use_service(instance->vchiq_instance, instance->service_handle[0]);
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svc_use = 1;
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do {
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@@ -212,7 +212,8 @@ static int vc_sm_cma_vchi_videocore_io(v
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mutex_unlock(&instance->lock);
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/* Send the command */
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status =
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- bcm2835_vchi_msg_queue(instance->service_handle[0],
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+ bcm2835_vchi_msg_queue(instance->vchiq_instance,
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+ instance->service_handle[0],
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cmd->msg, cmd->length);
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if (status) {
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pr_err("%s: failed to queue message (%d)",
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@@ -235,7 +236,8 @@ static int vc_sm_cma_vchi_videocore_io(v
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} while (1);
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- while ((header = vchiq_msg_hold(instance->service_handle[0]))) {
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+ while ((header = vchiq_msg_hold(instance->vchiq_instance,
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+ instance->service_handle[0]))) {
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reply = (struct vc_sm_result_t *)header->data;
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if (reply->trans_id & 0x80000000) {
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/* Async event or cmd from the VPU */
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@@ -247,7 +249,8 @@ static int vc_sm_cma_vchi_videocore_io(v
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header->size);
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}
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- vchiq_release_message(instance->service_handle[0],
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+ vchiq_release_message(instance->vchiq_instance,
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+ instance->service_handle[0],
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header);
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}
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@@ -264,15 +267,16 @@ static int vc_sm_cma_vchi_videocore_io(v
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return 0;
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}
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-static enum vchiq_status vc_sm_cma_vchi_callback(enum vchiq_reason reason,
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+static enum vchiq_status vc_sm_cma_vchi_callback(struct vchiq_instance *vchiq_instance,
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+ enum vchiq_reason reason,
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struct vchiq_header *header,
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unsigned int handle, void *userdata)
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{
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- struct sm_instance *instance = vchiq_get_service_userdata(handle);
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+ struct sm_instance *instance = vchiq_get_service_userdata(vchiq_instance, handle);
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switch (reason) {
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case VCHIQ_MESSAGE_AVAILABLE:
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- vchiq_msg_queue_push(handle, header);
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+ vchiq_msg_queue_push(vchiq_instance, handle, header);
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complete(&instance->io_cmplt);
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break;
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@@ -320,6 +324,8 @@ struct sm_instance *vc_sm_cma_vchi_init(
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list_add(&instance->free_blk[i].head, &instance->free_list);
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}
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+ instance->vchiq_instance = vchiq_instance;
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+
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/* Open the VCHI service connections */
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instance->num_connections = num_connections;
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for (i = 0; i < num_connections; i++) {
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@@ -358,7 +364,7 @@ struct sm_instance *vc_sm_cma_vchi_init(
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err_close_services:
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for (i = 0; i < instance->num_connections; i++) {
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if (instance->service_handle[i])
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- vchiq_close_service(instance->service_handle[i]);
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+ vchiq_close_service(vchiq_instance, instance->service_handle[i]);
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}
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kfree(instance);
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err_null:
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@@ -366,7 +372,7 @@ err_null:
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return NULL;
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}
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-int vc_sm_cma_vchi_stop(struct sm_instance **handle)
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+int vc_sm_cma_vchi_stop(struct vchiq_instance *vchiq_instance, struct sm_instance **handle)
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{
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struct sm_instance *instance;
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u32 i;
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@@ -385,8 +391,8 @@ int vc_sm_cma_vchi_stop(struct sm_instan
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/* Close all VCHI service connections */
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for (i = 0; i < instance->num_connections; i++) {
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- vchiq_use_service(instance->service_handle[i]);
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- vchiq_close_service(instance->service_handle[i]);
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+ vchiq_use_service(vchiq_instance, instance->service_handle[i]);
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+ vchiq_close_service(vchiq_instance, instance->service_handle[i]);
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}
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kfree(instance);
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--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.h
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+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.h
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@@ -35,7 +35,7 @@ struct sm_instance *vc_sm_cma_vchi_init(
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/*
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* Terminates the shared memory service.
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*/
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-int vc_sm_cma_vchi_stop(struct sm_instance **handle);
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+int vc_sm_cma_vchi_stop(struct vchiq_instance *vchi_instance, struct sm_instance **handle);
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/*
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* Ask the shared memory service to free up some memory that was previously
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