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drm/vmwgfx: Stop using raw ttm_buffer_object's

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Various bits of the driver used raw ttm_buffer_object instead of the
driver specific vmw_bo object. All those places used to duplicate
the mapped bo caching policy of vmw_bo.

Instead of duplicating all of that code and special casing various
functions to work both with vmw_bo and raw ttm_buffer_object's unify
the buffer object handling code.

As part of that work fix the naming of bo's, e.g. insted of generic
backup use 'guest_memory' because that's what it really is.

All of it makes the driver easier to maintain and the code easier to
read. Saves 100+ loc as well.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Martin Krastev <krastevm@vmware.com>
Reviewed-by: Maaz Mombasawala <mombasawalam@vmware.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230131033542.953249-9-zack@kde.org
This commit is contained in:
Zack Rusin
2023-01-30 22:35:42 -05:00
parent 39985eea5a
commit 668b206601
27 changed files with 563 additions and 688 deletions
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7
drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h
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@@ -58,10 +58,11 @@ struct vmw_user_resource_conv {
* struct vmw_res_func - members and functions common for a resource type
*
* @res_type: Enum that identifies the lru list to use for eviction.
* @needs_backup: Whether the resource is guest-backed and needs
* @needs_guest_memory:Whether the resource is guest-backed and needs
* persistent buffer storage.
* @type_name: String that identifies the resource type.
* @backup_placement: TTM placement for backup buffers.
* @domain: TTM placement for guest memory buffers.
* @busy_domain: TTM busy placement for guest memory buffers.
* @may_evict Whether the resource may be evicted.
* @create: Create a hardware resource.
* @destroy: Destroy a hardware resource.
@@ -81,7 +82,7 @@ struct vmw_user_resource_conv {
*/
struct vmw_res_func {
enum vmw_res_type res_type;
bool needs_backup;
bool needs_guest_memory;
const char *type_name;
u32 domain;
u32 busy_domain;