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drm/qxl: track primary bo

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Track which bo is used as primary surface.  With that in place we don't
need the primary_created flag any more, we can just check the primary bo
pointer instead.

Also verify we don't already have a primary surface in
qxl_io_create_primary().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190118122020.27596-13-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann
2019-01-18 13:20:09 +01:00
parent fb7ebc0119
commit 166205444b
3 changed files with 7 additions and 4 deletions
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7
drivers/gpu/drm/qxl/qxl_cmd.c
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@@ -374,13 +374,16 @@ void qxl_io_flush_surfaces(struct qxl_device *qdev)
void qxl_io_destroy_primary(struct qxl_device *qdev)
{
wait_for_io_cmd(qdev, 0, QXL_IO_DESTROY_PRIMARY_ASYNC);
qdev->primary_created = false;
qdev->primary_bo = NULL;
}
void qxl_io_create_primary(struct qxl_device *qdev, struct qxl_bo *bo)
{
struct qxl_surface_create *create;
if (WARN_ON(qdev->primary_bo))
return;
DRM_DEBUG_DRIVER("qdev %p, ram_header %p\n", qdev, qdev->ram_header);
create = &qdev->ram_header->create_surface;
create->format = bo->surf.format;
@@ -399,7 +402,7 @@ void qxl_io_create_primary(struct qxl_device *qdev, struct qxl_bo *bo)
create->type = QXL_SURF_TYPE_PRIMARY;
wait_for_io_cmd(qdev, 0, QXL_IO_CREATE_PRIMARY_ASYNC);
qdev->primary_created = true;
qdev->primary_bo = bo;
}
void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id)