Commit 4a1d4b6d authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
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drm/amdkfd: add sdma poison consumption handling 



Follow the same apporach as GFX to handle SDMA
poison consumption. Send SIGBUS to application
when receives SDMA_ECC interrupt and issue gpu
reset either mode 2 or mode 1 to get the engine
back

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarDennis <Li&lt;dennis.li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0dc2bafb

drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c

+6 −1
Original line number Diff line number Diff line
@@ -249,8 +249,13 @@ static void event_interrupt_wq_v9(struct kfd_dev *dev, 
		   client_id == SOC15_IH_CLIENTID_SDMA5 ||

		   client_id == SOC15_IH_CLIENTID_SDMA6 ||

		   client_id == SOC15_IH_CLIENTID_SDMA7) {

		if (source_id == SOC15_INTSRC_SDMA_TRAP)

		if (source_id == SOC15_INTSRC_SDMA_TRAP) {

			kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28);

		} else if (source_id == SOC15_INTSRC_SDMA_ECC) {

			kfd_signal_poison_consumed_event(dev, pasid);

			amdgpu_amdkfd_gpu_reset(dev->kgd);

			return;

		}

	} else if (client_id == SOC15_IH_CLIENTID_VMC ||

		   client_id == SOC15_IH_CLIENTID_VMC1 ||

		   client_id == SOC15_IH_CLIENTID_UTCL2) {

drivers/gpu/drm/amd/amdkfd/soc15_int.h

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#define SOC15_INTSRC_SQ_INTERRUPT_MSG	239

#define SOC15_INTSRC_VMC_FAULT		0

#define SOC15_INTSRC_SDMA_TRAP		224

#define SOC15_INTSRC_SDMA_ECC		220





#define SOC15_CLIENT_ID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) & 0xff)