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@xxxxxxxxxx>
---
drivers/gpu/drm/qxl/qxl_drv.h | 2 +-
drivers/gpu/drm/qxl/qxl_cmd.c | 7 +++++--
drivers/gpu/drm/qxl/qxl_display.c | 2 +-
3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index cb767aaef6..150b1a4f66 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -229,7 +229,7 @@ struct qxl_device {
struct qxl_ram_header *ram_header;
- unsigned int primary_created:1;
+ struct qxl_bo *primary_bo;
struct qxl_memslot main_slot;
struct qxl_memslot surfaces_slot;
diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c
index bc13539249..8e64127259 100644
--- a/drivers/gpu/drm/qxl/qxl_cmd.c
+++ b/drivers/gpu/drm/qxl/qxl_cmd.c
@@ -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)
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 21165ab514..d3215eac9b 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -302,7 +302,7 @@ static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
struct qxl_head head;
int oldcount, i = qcrtc->index;
- if (!qdev->primary_created) {
+ if (!qdev->primary_bo) {
DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
return;
}
--
2.9.3
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