Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: Add MTYPE flags to GPU VM IOCTL interface
Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Alex Xie
and committed by
Alex Deucher
66e02bc3
39807b93
+13
-1
+1
-1
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+1
-1
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
···
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{
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const uint32_t valid_flags = AMDGPU_VM_DELAY_UPDATE |
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AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE |
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AMDGPU_VM_PAGE_EXECUTABLE;
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AMDGPU_VM_PAGE_EXECUTABLE | AMDGPU_VM_MTYPE_MASK;
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const uint32_t prt_flags = AMDGPU_VM_DELAY_UPDATE |
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AMDGPU_VM_PAGE_PRT;
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+12
include/uapi/drm/amdgpu_drm.h
+12
include/uapi/drm/amdgpu_drm.h
···
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#define AMDGPU_VM_PAGE_EXECUTABLE (1 << 3)
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/* partially resident texture */
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#define AMDGPU_VM_PAGE_PRT (1 << 4)
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/* MTYPE flags use bit 5 to 8 */
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#define AMDGPU_VM_MTYPE_MASK (0xf << 5)
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/* Default MTYPE. Pre-AI must use this. Recommended for newer ASICs. */
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#define AMDGPU_VM_MTYPE_DEFAULT (0 << 5)
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/* Use NC MTYPE instead of default MTYPE */
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#define AMDGPU_VM_MTYPE_NC (1 << 5)
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/* Use WC MTYPE instead of default MTYPE */
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#define AMDGPU_VM_MTYPE_WC (2 << 5)
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/* Use CC MTYPE instead of default MTYPE */
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#define AMDGPU_VM_MTYPE_CC (3 << 5)
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/* Use UC MTYPE instead of default MTYPE */
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#define AMDGPU_VM_MTYPE_UC (4 << 5)
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struct drm_amdgpu_gem_va {
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/** GEM object handle */