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authorDave Airlie <[email protected]>2025-05-11 21:14:27 +0000
committerDave Airlie <[email protected]>2025-05-11 21:14:34 +0000
commit1faeeb315fdbd005bbc1bc74214e39087971dda9 (patch)
treed390ef6948a417cd63a252e70cef96bbb0bd5434 /drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c
parentMerge tag 'drm-misc-next-2025-05-08' of https://gitlab.freedesktop.org/drm/mi... (diff)
parentReapply: drm/amdgpu: Use generic hdp flush function (diff)
downloadkernel-1faeeb315fdbd005bbc1bc74214e39087971dda9.tar.gz
kernel-1faeeb315fdbd005bbc1bc74214e39087971dda9.zip
Merge tag 'amd-drm-next-6.16-2025-05-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.16-2025-05-09: amdgpu: - IPS fixes - DSC cleanup - DC Scaling updates - DC FP fixes - Fused I2C-over-AUX updates - SubVP fixes - Freesync fix - DMUB AUX fixes - VCN fix - Hibernation fixes - HDP fixes - DCN 2.1 fixes - DPIA fixes - DMUB updates - Use drm_file_err in amdgpu - Enforce isolation updates - Use new dma_fence helpers - USERQ fixes - Documentation updates - Misc code cleanups - SR-IOV updates - RAS updates - PSP 12 cleanups amdkfd: - Update error messages for SDMA - Userptr updates drm: - Add drm_file_err function dma-buf: - Add a helper to sort and deduplicate dma_fence arrays From: Alex Deucher <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c
index e22cb2b5cd92..3939761be31c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c
@@ -45,7 +45,11 @@
*/
static inline u64 amdgpu_seq64_get_va_base(struct amdgpu_device *adev)
{
- return AMDGPU_VA_RESERVED_SEQ64_START(adev);
+ u64 addr = AMDGPU_VA_RESERVED_SEQ64_START(adev);
+
+ addr = amdgpu_gmc_sign_extend(addr);
+
+ return addr;
}
/**
@@ -63,9 +67,9 @@ static inline u64 amdgpu_seq64_get_va_base(struct amdgpu_device *adev)
int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm,
struct amdgpu_bo_va **bo_va)
{
+ u64 seq64_addr, va_flags;
struct amdgpu_bo *bo;
struct drm_exec exec;
- u64 seq64_addr;
int r;
bo = adev->seq64.sbo;
@@ -88,9 +92,11 @@ int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm,
goto error;
}
- seq64_addr = amdgpu_seq64_get_va_base(adev);
+ seq64_addr = amdgpu_seq64_get_va_base(adev) & AMDGPU_GMC_HOLE_MASK;
+
+ va_flags = amdgpu_gem_va_map_flags(adev, AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_MTYPE_UC);
r = amdgpu_vm_bo_map(adev, *bo_va, seq64_addr, 0, AMDGPU_VA_RESERVED_SEQ64_SIZE,
- AMDGPU_PTE_READABLE);
+ va_flags);
if (r) {
DRM_ERROR("failed to do bo_map on userq sem, err=%d\n", r);
amdgpu_vm_bo_del(adev, *bo_va);
@@ -156,6 +162,7 @@ error:
*
* @adev: amdgpu_device pointer
* @va: VA to access the seq in process address space
+ * @gpu_addr: GPU address to access the seq
* @cpu_addr: CPU address to access the seq
*
* Alloc a 64 bit memory from seq64 pool.
@@ -163,7 +170,8 @@ error:
* Returns:
* 0 on success or a negative error code on failure
*/
-int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *va, u64 **cpu_addr)
+int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *va,
+ u64 *gpu_addr, u64 **cpu_addr)
{
unsigned long bit_pos;
@@ -172,7 +180,12 @@ int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *va, u64 **cpu_addr)
return -ENOSPC;
__set_bit(bit_pos, adev->seq64.used);
+
*va = bit_pos * sizeof(u64) + amdgpu_seq64_get_va_base(adev);
+
+ if (gpu_addr)
+ *gpu_addr = bit_pos * sizeof(u64) + adev->seq64.gpu_addr;
+
*cpu_addr = bit_pos + adev->seq64.cpu_base_addr;
return 0;
@@ -233,7 +246,7 @@ int amdgpu_seq64_init(struct amdgpu_device *adev)
*/
r = amdgpu_bo_create_kernel(adev, AMDGPU_VA_RESERVED_SEQ64_SIZE,
PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
- &adev->seq64.sbo, NULL,
+ &adev->seq64.sbo, &adev->seq64.gpu_addr,
(void **)&adev->seq64.cpu_base_addr);
if (r) {
dev_warn(adev->dev, "(%d) create seq64 failed\n", r);