leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdkfd: Add SDMA trap src id to the KFD isr wanted list

Browse Source 
This enables SDMA signalling with event interrupt.

Signed-off-by: Besar Wicaksono <Besar.Wicaksono@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Besar Wicaksono 2017-10-27 19:35:18 -04:00 committed by Oded Gabbay
parent 7a88cbd8d6
commit 66b783b446
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c
View File

@ -36,6 +36,7 @@ static bool cik_event_interrupt_isr(struct kfd_dev *dev,
/* Do not process in ISR, just request it to be forwarded to WQ. */
return (pasid != 0) &&
(ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE ||
ihre->source_id == CIK_INTSRC_SDMA_TRAP ||
ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG ||
ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE);
}
@ -54,6 +55,8 @@ static void cik_event_interrupt_wq(struct kfd_dev *dev,
if (ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE)
kfd_signal_event_interrupt(pasid, 0, 0);
else if (ihre->source_id == CIK_INTSRC_SDMA_TRAP)
kfd_signal_event_interrupt(pasid, 0, 0);
else if (ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG)
kfd_signal_event_interrupt(pasid, ihre->data & 0xFF, 8);
else if (ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE)

3
drivers/gpu/drm/amd/amdkfd/cik_int.h
View File

@ -32,9 +32,10 @@ struct cik_ih_ring_entry {
uint32_t reserved;
};
#define CIK_INTSRC_DEQUEUE_COMPLETE 0xC6
#define CIK_INTSRC_CP_END_OF_PIPE 0xB5
#define CIK_INTSRC_CP_BAD_OPCODE 0xB7
#define CIK_INTSRC_DEQUEUE_COMPLETE 0xC6
#define CIK_INTSRC_SDMA_TRAP 0xE0
#define CIK_INTSRC_SQ_INTERRUPT_MSG 0xEF
#endif