modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/qxl/qxl_cmd.c
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@@ -25,6 +25,10 @@
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 /* QXL cmd/ring handling */
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+#include <linux/delay.h>
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+
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+#include <drm/drm_util.h>
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+
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 #include "qxl_drv.h"
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 #include "qxl_object.h"
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@@ -32,7 +36,7 @@
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 struct ring {
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 	struct qxl_ring_header      header;
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-	uint8_t                     elements[0];
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+	uint8_t                     elements[];
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 };
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 struct qxl_ring {
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@@ -84,6 +88,7 @@
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 	int ret;
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 	struct qxl_ring_header *header = &(ring->ring->header);
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 	unsigned long flags;
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+
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 	spin_lock_irqsave(&ring->lock, flags);
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 	ret = header->prod - header->cons < header->num_items;
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 	if (ret == 0)
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@@ -97,6 +102,7 @@
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 	int ret;
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 	struct qxl_ring_header *header = &(ring->ring->header);
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 	unsigned long flags;
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+
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 	spin_lock_irqsave(&ring->lock, flags);
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 	ret = header->prod == header->cons;
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 	spin_unlock_irqrestore(&ring->lock, flags);
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@@ -110,6 +116,7 @@
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 	uint8_t *elt;
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 	int idx, ret;
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 	unsigned long flags;
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+
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 	spin_lock_irqsave(&ring->lock, flags);
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 	if (header->prod - header->cons == header->num_items) {
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 		header->notify_on_cons = header->cons + 1;
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@@ -156,6 +163,7 @@
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 	volatile uint8_t *ring_elt;
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 	int idx;
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 	unsigned long flags;
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+
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 	spin_lock_irqsave(&ring->lock, flags);
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 	if (header->cons == header->prod) {
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 		header->notify_on_prod = header->cons + 1;
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@@ -260,7 +268,7 @@
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 	int ret;
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 	ret = qxl_bo_create(qdev, size, false /* not kernel - device */,
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-			    false, QXL_GEM_DOMAIN_VRAM, NULL, &bo);
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+			    false, QXL_GEM_DOMAIN_VRAM, 0, NULL, &bo);
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 	if (ret) {
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 		DRM_ERROR("failed to allocate VRAM BO\n");
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 		return ret;
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@@ -365,17 +373,20 @@
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 	wait_for_io_cmd(qdev, 0, QXL_IO_FLUSH_SURFACES_ASYNC);
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 }
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-
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 void qxl_io_destroy_primary(struct qxl_device *qdev)
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 {
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 	wait_for_io_cmd(qdev, 0, QXL_IO_DESTROY_PRIMARY_ASYNC);
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-	qdev->primary_created = false;
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+	qdev->primary_bo->is_primary = false;
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+	drm_gem_object_put(&qdev->primary_bo->tbo.base);
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+	qdev->primary_bo = NULL;
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 }
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-void qxl_io_create_primary(struct qxl_device *qdev,
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-			   unsigned offset, struct qxl_bo *bo)
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+void qxl_io_create_primary(struct qxl_device *qdev, struct qxl_bo *bo)
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 {
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 	struct qxl_surface_create *create;
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+
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+	if (WARN_ON(qdev->primary_bo))
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+		return;
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 	DRM_DEBUG_DRIVER("qdev %p, ram_header %p\n", qdev, qdev->ram_header);
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 	create = &qdev->ram_header->create_surface;
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@@ -383,11 +394,7 @@
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 	create->width = bo->surf.width;
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 	create->height = bo->surf.height;
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 	create->stride = bo->surf.stride;
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-	if (bo->shadow) {
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-		create->mem = qxl_bo_physical_address(qdev, bo->shadow, offset);
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-	} else {
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-		create->mem = qxl_bo_physical_address(qdev, bo, offset);
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-	}
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+	create->mem = qxl_bo_physical_address(qdev, bo, 0);
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 	DRM_DEBUG_DRIVER("mem = %llx, from %p\n", create->mem, bo->kptr);
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@@ -395,7 +402,9 @@
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 	create->type = QXL_SURF_TYPE_PRIMARY;
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 	wait_for_io_cmd(qdev, 0, QXL_IO_CREATE_PRIMARY_ASYNC);
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-	qdev->primary_created = true;
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+	qdev->primary_bo = bo;
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+	qdev->primary_bo->is_primary = true;
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+	drm_gem_object_get(&qdev->primary_bo->tbo.base);
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 }
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 void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id)
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@@ -455,8 +464,7 @@
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 }
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 int qxl_hw_surface_alloc(struct qxl_device *qdev,
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-			 struct qxl_bo *surf,
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-			 struct ttm_mem_reg *new_mem)
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+			 struct qxl_bo *surf)
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 {
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 	struct qxl_surface_cmd *cmd;
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 	struct qxl_release *release;
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@@ -483,16 +491,7 @@
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 	cmd->u.surface_create.width = surf->surf.width;
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 	cmd->u.surface_create.height = surf->surf.height;
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 	cmd->u.surface_create.stride = surf->surf.stride;
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-	if (new_mem) {
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-		int slot_id = surf->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
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-		struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
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-
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-		/* TODO - need to hold one of the locks to read tbo.offset */
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-		cmd->u.surface_create.data = slot->high_bits;
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-
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-		cmd->u.surface_create.data |= (new_mem->start << PAGE_SHIFT) + surf->tbo.bdev->man[new_mem->mem_type].gpu_offset;
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-	} else
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-		cmd->u.surface_create.data = qxl_bo_physical_address(qdev, surf, 0);
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+	cmd->u.surface_create.data = qxl_bo_physical_address(qdev, surf, 0);
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 	cmd->surface_id = surf->surface_id;
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 	qxl_release_unmap(qdev, release, &cmd->release_info);
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@@ -589,7 +588,7 @@
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 {
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 	int ret;
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-	ret = qxl_bo_reserve(surf, false);
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+	ret = qxl_bo_reserve(surf);
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 	if (ret)
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 		return ret;
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