bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-30 12:32:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: Add gpu_addr support to seq64 allocation

Browse Source 
Add gpu address support to seq64 alloc function.

v1:(Christian)
  - Add the user of this new interface change to the same
    patch.

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Arunpravin Paneer Selvam
2024-10-30 11:19:26 +05:30
committed by Alex Deucher
parent cb4a73f46f
commit f7cb6a28e1
4 changed files with 15 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c
View File

@@ -163,7 +163,8 @@ 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 +173,12 @@ 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 +239,7 @@ 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);