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mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-04 20:19:47 +08:00
linux/drivers/gpu/drm/vmwgfx
Marko Kiiskila 7dfede7d7e drm/vmwgfx: Fix guests running with TDX/SEV
Commit 81256a50aa ("x86/mm: Make memremap(MEMREMAP_WB) map memory as
encrypted by default") changed the default behavior of
memremap(MEMREMAP_WB) and started mapping memory as encrypted.
The driver requires the fifo memory to be decrypted to communicate with
the host but was relaying on the old default behavior of
memremap(MEMREMAP_WB) and thus broke.

Fix it by explicitly specifying the desired behavior and passing
MEMREMAP_DEC to memremap.

Fixes: 81256a50aa ("x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default")
Signed-off-by: Marko Kiiskila <marko.kiiskila@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20250618192926.1092450-1-zack.rusin@broadcom.com
2025-06-30 23:10:11 -04:00
..
device_include
Kconfig PCI: Add CONFIG_MMU dependency 2025-04-23 15:40:30 -05:00
Makefile
ttm_object.c
ttm_object.h
vmw_surface_cache.h
vmwgfx_binding.c
vmwgfx_binding.h
vmwgfx_blit.c drm/vmwgfx: Test for imported buffers with drm_gem_is_imported() 2025-04-14 10:53:11 +02:00
vmwgfx_bo.c
vmwgfx_bo.h
vmwgfx_cmd.c
vmwgfx_cmdbuf_res.c
vmwgfx_cmdbuf.c
vmwgfx_context.c
vmwgfx_cotable.c
vmwgfx_cursor_plane.c
vmwgfx_cursor_plane.h
vmwgfx_devcaps.c
vmwgfx_devcaps.h
vmwgfx_drv.c drm/vmwgfx: Fix guests running with TDX/SEV 2025-06-30 23:10:11 -04:00
vmwgfx_drv.h
vmwgfx_execbuf.c
vmwgfx_fence.c
vmwgfx_fence.h
vmwgfx_gem.c drm/vmwgfx: Use dma_buf from GEM object instance 2025-04-14 10:53:11 +02:00
vmwgfx_gmr.c
vmwgfx_gmrid_manager.c
vmwgfx_ioctl.c
vmwgfx_irq.c
vmwgfx_kms.c
vmwgfx_kms.h
vmwgfx_ldu.c
vmwgfx_mksstat.h
vmwgfx_mob.c
vmwgfx_msg_arm64.h
vmwgfx_msg_x86.h
vmwgfx_msg.c
vmwgfx_overlay.c
vmwgfx_page_dirty.c
vmwgfx_prime.c
vmwgfx_reg.h
vmwgfx_resource_priv.h
vmwgfx_resource.c
vmwgfx_scrn.c
vmwgfx_shader.c
vmwgfx_simple_resource.c
vmwgfx_so.c
vmwgfx_so.h
vmwgfx_stdu.c
vmwgfx_streamoutput.c
vmwgfx_surface.c
vmwgfx_system_manager.c
vmwgfx_ttm_buffer.c
vmwgfx_va.c
vmwgfx_validation.c
vmwgfx_validation.h
vmwgfx_vkms.c
vmwgfx_vkms.h