mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 19:29:37 +00:00
drm/amdgpu: cleanup VM fragment defines
We can actually do way more than just the 64KB we currently used as default. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
3a8a6ab4a5
commit
1303c73c61
2 changed files with 5 additions and 5 deletions
|
@ -830,6 +830,9 @@ struct amdgpu_ring {
|
|||
/* PTBs (Page Table Blocks) need to be aligned to 32K */
|
||||
#define AMDGPU_VM_PTB_ALIGN_SIZE 32768
|
||||
|
||||
/* LOG2 number of continuous pages for the fragment field */
|
||||
#define AMDGPU_LOG2_PAGES_PER_FRAG 4
|
||||
|
||||
#define AMDGPU_PTE_VALID (1 << 0)
|
||||
#define AMDGPU_PTE_SYSTEM (1 << 1)
|
||||
#define AMDGPU_PTE_SNOOPED (1 << 2)
|
||||
|
@ -840,10 +843,7 @@ struct amdgpu_ring {
|
|||
#define AMDGPU_PTE_READABLE (1 << 5)
|
||||
#define AMDGPU_PTE_WRITEABLE (1 << 6)
|
||||
|
||||
/* PTE (Page Table Entry) fragment field for different page sizes */
|
||||
#define AMDGPU_PTE_FRAG_4KB (0 << 7)
|
||||
#define AMDGPU_PTE_FRAG_64KB (4 << 7)
|
||||
#define AMDGPU_LOG2_PAGES_PER_FRAG 4
|
||||
#define AMDGPU_PTE_FRAG(x) ((x & 0x1f) << 7)
|
||||
|
||||
/* How to programm VM fault handling */
|
||||
#define AMDGPU_VM_FAULT_STOP_NEVER 0
|
||||
|
|
|
@ -739,7 +739,7 @@ static void amdgpu_vm_frag_ptes(struct amdgpu_device *adev,
|
|||
*/
|
||||
|
||||
/* SI and newer are optimized for 64KB */
|
||||
uint64_t frag_flags = AMDGPU_PTE_FRAG_64KB;
|
||||
uint64_t frag_flags = AMDGPU_PTE_FRAG(AMDGPU_LOG2_PAGES_PER_FRAG);
|
||||
uint64_t frag_align = 0x80;
|
||||
|
||||
uint64_t frag_start = ALIGN(pe_start, frag_align);
|
||||
|
|
Loading…
Reference in a new issue