Header mode display lists are now supported on all WPF outputs. To support extended headers and auto-fld capabilities for interlaced mode handling only header mode display lists can be used.
Disable the headerless display list configuration, and remove the dead code.
Signed-off-by: Kieran Bingham kieran.bingham+renesas@ideasonboard.com --- drivers/media/platform/vsp1/vsp1_dl.c | 107 ++++++--------------------- 1 file changed, 27 insertions(+), 80 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_dl.c b/drivers/media/platform/vsp1/vsp1_dl.c index 680eedb6fc9f..5f5706f8a84c 100644 --- a/drivers/media/platform/vsp1/vsp1_dl.c +++ b/drivers/media/platform/vsp1/vsp1_dl.c @@ -98,7 +98,7 @@ struct vsp1_dl_body_pool { * struct vsp1_dl_list - Display list * @list: entry in the display list manager lists * @dlm: the display list manager - * @header: display list header, NULL for headerless lists + * @header: display list header * @dma: DMA address for the header * @body0: first display list body * @bodies: list of extra display list bodies @@ -119,15 +119,9 @@ struct vsp1_dl_list { struct list_head chain; };
-enum vsp1_dl_mode { - VSP1_DL_MODE_HEADER, - VSP1_DL_MODE_HEADERLESS, -}; - /** * struct vsp1_dl_manager - Display List manager * @index: index of the related WPF - * @mode: display list operation mode (header or headerless) * @singleshot: execute the display list in single-shot mode * @vsp1: the VSP1 device * @lock: protects the free, active, queued, pending and gc_bodies lists @@ -139,7 +133,6 @@ enum vsp1_dl_mode { */ struct vsp1_dl_manager { unsigned int index; - enum vsp1_dl_mode mode; bool singleshot; struct vsp1_device *vsp1;
@@ -320,6 +313,7 @@ static struct vsp1_dl_list *vsp1_dl_list_alloc(struct vsp1_dl_manager *dlm, struct vsp1_dl_body_pool *pool) { struct vsp1_dl_list *dl; + size_t header_offset;
dl = kzalloc(sizeof(*dl), GFP_KERNEL); if (!dl) @@ -332,16 +326,15 @@ static struct vsp1_dl_list *vsp1_dl_list_alloc(struct vsp1_dl_manager *dlm, dl->body0 = vsp1_dl_body_get(pool); if (!dl->body0) return NULL; - if (dlm->mode == VSP1_DL_MODE_HEADER) { - size_t header_offset = dl->body0->max_entries - * sizeof(*dl->body0->entries);
- dl->header = ((void *)dl->body0->entries) + header_offset; - dl->dma = dl->body0->dma + header_offset; + header_offset = dl->body0->max_entries + * sizeof(*dl->body0->entries);
- memset(dl->header, 0, sizeof(*dl->header)); - dl->header->lists[0].addr = dl->body0->dma; - } + dl->header = ((void *)dl->body0->entries) + header_offset; + dl->dma = dl->body0->dma + header_offset; + + memset(dl->header, 0, sizeof(*dl->header)); + dl->header->lists[0].addr = dl->body0->dma;
return dl; } @@ -473,16 +466,9 @@ struct vsp1_dl_body *vsp1_dl_list_get_body0(struct vsp1_dl_list *dl) * * The reference must be explicitly released by a call to vsp1_dl_body_put() * when the body isn't needed anymore. - * - * Additional bodies are only usable for display lists in header mode. - * Attempting to add a body to a header-less display list will return an error. */ int vsp1_dl_list_add_body(struct vsp1_dl_list *dl, struct vsp1_dl_body *dlb) { - /* Multi-body lists are only available in header mode. */ - if (dl->dlm->mode != VSP1_DL_MODE_HEADER) - return -EINVAL; - refcount_inc(&dlb->refcnt);
list_add_tail(&dlb->list, &dl->bodies); @@ -503,17 +489,10 @@ int vsp1_dl_list_add_body(struct vsp1_dl_list *dl, struct vsp1_dl_body *dlb) * Adding a display list to a chain passes ownership of the display list to * the head display list item. The chain is released when the head dl item is * put back with __vsp1_dl_list_put(). - * - * Chained display lists are only usable in header mode. Attempts to add a - * display list to a chain in header-less mode will return an error. */ int vsp1_dl_list_add_chain(struct vsp1_dl_list *head, struct vsp1_dl_list *dl) { - /* Chained lists are only available in header mode. */ - if (head->dlm->mode != VSP1_DL_MODE_HEADER) - return -EINVAL; - head->has_chain = true; list_add_tail(&dl->chain, &head->chain); return 0; @@ -581,17 +560,10 @@ static bool vsp1_dl_list_hw_update_pending(struct vsp1_dl_manager *dlm) return false;
/* - * Check whether the VSP1 has taken the update. In headerless mode the - * hardware indicates this by clearing the UPD bit in the DL_BODY_SIZE - * register, and in header mode by clearing the UPDHDR bit in the CMD - * register. + * Check whether the VSP1 has taken the update. In header mode by + * clearing the UPDHDR bit in the CMD register. */ - if (dlm->mode == VSP1_DL_MODE_HEADERLESS) - return !!(vsp1_read(vsp1, VI6_DL_BODY_SIZE) - & VI6_DL_BODY_SIZE_UPD); - else - return !!(vsp1_read(vsp1, VI6_CMD(dlm->index)) - & VI6_CMD_UPDHDR); + return !!(vsp1_read(vsp1, VI6_CMD(dlm->index)) & VI6_CMD_UPDHDR); }
static void vsp1_dl_list_hw_enqueue(struct vsp1_dl_list *dl) @@ -599,26 +571,14 @@ static void vsp1_dl_list_hw_enqueue(struct vsp1_dl_list *dl) struct vsp1_dl_manager *dlm = dl->dlm; struct vsp1_device *vsp1 = dlm->vsp1;
- if (dlm->mode == VSP1_DL_MODE_HEADERLESS) { - /* - * In headerless mode, program the hardware directly with the - * display list body address and size and set the UPD bit. The - * bit will be cleared by the hardware when the display list - * processing starts. - */ - vsp1_write(vsp1, VI6_DL_HDR_ADDR(0), dl->body0->dma); - vsp1_write(vsp1, VI6_DL_BODY_SIZE, VI6_DL_BODY_SIZE_UPD | - (dl->body0->num_entries * sizeof(*dl->header->lists))); - } else { - /* - * In header mode, program the display list header address. If - * the hardware is idle (single-shot mode or first frame in - * continuous mode) it will then be started independently. If - * the hardware is operating, the VI6_DL_HDR_REF_ADDR register - * will be updated with the display list address. - */ - vsp1_write(vsp1, VI6_DL_HDR_ADDR(dlm->index), dl->dma); - } + /* + * In header mode, program the display list header address. If + * the hardware is idle (single-shot mode or first frame in + * continuous mode) it will then be started independently. If + * the hardware is operating, the VI6_DL_HDR_REF_ADDR register + * will be updated with the display list address. + */ + vsp1_write(vsp1, VI6_DL_HDR_ADDR(dlm->index), dl->dma); }
static void vsp1_dl_list_commit_continuous(struct vsp1_dl_list *dl) @@ -668,15 +628,13 @@ void vsp1_dl_list_commit(struct vsp1_dl_list *dl) struct vsp1_dl_list *dl_next; unsigned long flags;
- if (dlm->mode == VSP1_DL_MODE_HEADER) { - /* Fill the header for the head and chained display lists. */ - vsp1_dl_list_fill_header(dl, list_empty(&dl->chain)); + /* Fill the header for the head and chained display lists. */ + vsp1_dl_list_fill_header(dl, list_empty(&dl->chain));
- list_for_each_entry(dl_next, &dl->chain, chain) { - bool last = list_is_last(&dl_next->chain, &dl->chain); + list_for_each_entry(dl_next, &dl->chain, chain) { + bool last = list_is_last(&dl_next->chain, &dl->chain);
- vsp1_dl_list_fill_header(dl_next, last); - } + vsp1_dl_list_fill_header(dl_next, last); }
spin_lock_irqsave(&dlm->lock, flags); @@ -763,13 +721,6 @@ void vsp1_dlm_setup(struct vsp1_device *vsp1) | VI6_DL_CTRL_DC2 | VI6_DL_CTRL_DC1 | VI6_DL_CTRL_DC0 | VI6_DL_CTRL_DLE;
- /* - * The DRM pipeline operates with display lists in Continuous Frame - * Mode, all other pipelines use manual start. - */ - if (vsp1->drm) - ctrl |= VI6_DL_CTRL_CFM0 | VI6_DL_CTRL_NH0; - vsp1_write(vsp1, VI6_DL_CTRL, ctrl); vsp1_write(vsp1, VI6_DL_SWAP, VI6_DL_SWAP_LWS); } @@ -804,8 +755,6 @@ struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1, return NULL;
dlm->index = index; - dlm->mode = index == 0 && !vsp1->info->uapi - ? VSP1_DL_MODE_HEADERLESS : VSP1_DL_MODE_HEADER; dlm->singleshot = vsp1->info->uapi; dlm->vsp1 = vsp1;
@@ -814,13 +763,11 @@ struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1,
/* * Initialize the display list body and allocate DMA memory for the body - * and the optional header. Both are allocated together to avoid memory + * and the header. Both are allocated together to avoid memory * fragmentation, with the header located right after the body in * memory. */ - header_size = dlm->mode == VSP1_DL_MODE_HEADER - ? ALIGN(sizeof(struct vsp1_dl_header), 8) - : 0; + header_size = ALIGN(sizeof(struct vsp1_dl_header), 8);
dlm->pool = vsp1_dl_body_pool_create(vsp1, prealloc, VSP1_DL_NUM_ENTRIES, header_size);