drm/vmwgfx: Fix KMS with 3D on HW version 10

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[ Upstream commit d9186faeae ]

HW version 10 does not have GB Surfaces so there is no backing buffer for
surface backed FBs. This would result in a nullptr dereference and crash
the driver causing a black screen.

Fixes: 965544150d ("drm/vmwgfx: Refactor cursor handling")
Signed-off-by: Ian Forbes <ian.forbes@broadcom.com>
Reviewed-by: Zack Rusin <zack.rusin@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://patch.msgid.link/20251114203703.1946616-1-ian.forbes@broadcom.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Ian Forbes 2025-11-14 14:37:03 -06:00 • committed by Greg Kroah-Hartman

parent 282061a7f9

commit a91bdd21d5

1 changed files with 8 additions and 6 deletions

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drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

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