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authorDave Airlie <airlied@redhat.com>2026-01-15 14:49:33 +1000
committerDave Airlie <airlied@redhat.com>2026-01-15 14:49:33 +1000
commit83dc0ba2755296b5e5882e044c80973b7c3fce9e (patch)
tree53774323449c41eb1b17e101be83197c6b5cbb82 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
parenta87fef0880c4f52769b5a3c2fc1b2d73aaa04eb3 (diff)
parent38a0f4cf8c6147fd10baa206ab349f8ff724e391 (diff)
Merge tag 'amd-drm-next-6.20-2026-01-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.20-2026-01-09: amdgpu: - GPUVM updates - Initial support for larger GPU address spaces - Initial SMUIO 15.x support - Documentation updates - Initial PSP 15.x support - Initial IH 7.1 support - Initial IH 6.1.1 support - SMU 13.0.12 updates - RAS updates - Initial MMHUB 3.4 support - Initial MMHUB 4.2 support - Initial GC 12.1 support - Initial GC 11.5.4 support - HDMI fixes - Panel replay improvements - DML updates - DC FP fixes - Initial SDMA 6.1.4 support - Initial SDMA 7.1 support - Userq updates - DC HPD refactor - SwSMU cleanups and refactoring - TTM memory ops parallelization - DCN 3.5 fixes - DP audio fixes - Clang fixes - Misc spelling fixes and cleanups - Initial SDMA 7.11.4 support - Convert legacy DRM logging helpers to new drm logging helpers - Initial JPEG 5.3 support - Add support for changing UMA size via the driver - DC analog fixes - GC 9 gfx queue reset support - Initial SMU 15.x support amdkfd: - Reserved SDMA rework - Refactor SPM - Initial GC 12.1 support - Initial GC 11.5.4 support - Initial SDMA 7.1 support - Initial SDMA 6.1.4 support - Increase the kfd process hash table - Per context support - Topology fixes radeon: - Convert legacy DRM logging helpers to new drm logging helpers - Use devm for i2c adapters - Variable sized array fix - Misc cleanups UAPI: - KFD context support. Proposed userspace: https://github.com/ROCm/rocm-systems/pull/1705 https://github.com/ROCm/rocm-systems/pull/1701 - Add userq metadata queries for more queue types. Proposed userspace: https://gitlab.freedesktop.org/yogeshmohan/mesa/-/commits/userq_query From: Alex Deucher <alexander.deucher@amd.com> Link: https://patch.msgid.link/20260109154713.3242957-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index c362d4dfb5bb..0eccb31793ca 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -834,7 +834,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
amdgpu_gmc_emit_pasid_mapping(ring, job->vmid, job->pasid);
if (spm_update_needed && adev->gfx.rlc.funcs->update_spm_vmid)
- adev->gfx.rlc.funcs->update_spm_vmid(adev, ring, job->vmid);
+ adev->gfx.rlc.funcs->update_spm_vmid(adev, ring->xcc_id, ring, job->vmid);
if (ring->funcs->emit_gds_switch &&
gds_switch_needed) {
@@ -2362,9 +2362,26 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size,
unsigned max_bits)
{
unsigned int max_size = 1 << (max_bits - 30);
+ bool sys_5level_pgtable = false;
unsigned int vm_size;
uint64_t tmp;
+#ifdef CONFIG_X86_64
+ /*
+ * Refer to function configure_5level_paging() for details.
+ */
+ sys_5level_pgtable = (native_read_cr4() & X86_CR4_LA57);
+#endif
+
+ /*
+ * If GPU supports 5-level page table, but system uses 4-level page table,
+ * then use 4-level page table on GPU
+ */
+ if (max_level == 4 && !sys_5level_pgtable) {
+ min_vm_size = 256 * 1024;
+ max_level = 3;
+ }
+
/* adjust vm size first */
if (amdgpu_vm_size != -1) {
vm_size = amdgpu_vm_size;
@@ -2407,6 +2424,9 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size,
tmp = DIV_ROUND_UP(fls64(tmp) - 1, 9) - 1;
adev->vm_manager.num_level = min_t(unsigned int, max_level, tmp);
switch (adev->vm_manager.num_level) {
+ case 4:
+ adev->vm_manager.root_level = AMDGPU_VM_PDB3;
+ break;
case 3:
adev->vm_manager.root_level = AMDGPU_VM_PDB2;
break;