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drm/vmwgfx: Fix Legacy Display Unit

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commit 782e5e7925880f737963444f141a0320a12104a5 upstream.

Legacy DU was broken by the referenced fixes commit because the placement
and the busy_placement no longer pointed to the same object. This was later
fixed indirectly by commit a78a8da51b36c7a0c0c16233f91d60aac03a5a49
("drm/ttm: replace busy placement with flags v6") in v6.9.

Fixes: 39985eea5a ("drm/vmwgfx: Abstract placement selection")
Signed-off-by: Ian Forbes <ian.forbes@broadcom.com>
Cc: <stable@vger.kernel.org> # v6.4+
Reviewed-by: Zack Rusin <zack.rusin@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425200700.24403-1-ian.forbes@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ian Forbes
2024-04-25 15:07:00 -05:00
committed by Greg Kroah-Hartman
parent 306e997778
commit e10644f8ad
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
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@@ -204,6 +204,7 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private *dev_priv,
VMW_BO_DOMAIN_VRAM,
VMW_BO_DOMAIN_VRAM);
buf->places[0].lpfn = PFN_UP(bo->resource->size);
buf->busy_places[0].lpfn = PFN_UP(bo->resource->size);
ret = ttm_bo_validate(bo, &buf->placement, &ctx);
/* For some reason we didn't end up at the start of vram */