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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1148-drm-amdkfd-Add-SDMA-trap-src-id-to-the-KFD-isr-wante.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1148-drm-amdkfd-Add-SDMA-trap-src-id-to-the-KFD-isr-wante.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1148-drm-amdkfd-Add-SDMA-trap-src-id-to-the-KFD-isr-wante.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1148-drm-amdkfd-Add-SDMA-trap-src-id-to-the-KFD-isr-wante.patch
new file mode 100644
index 00000000..9d2d84d3
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1148-drm-amdkfd-Add-SDMA-trap-src-id-to-the-KFD-isr-wante.patch
@@ -0,0 +1,51 @@
+From 33864837ee7bbf86978c7d242b388e5e0325d75d Mon Sep 17 00:00:00 2001
+From: Besar Wicaksono <besar.wicaksono@amd.com>
+Date: Fri, 10 Jun 2016 06:05:52 -0500
+Subject: [PATCH 1148/4131] drm/amdkfd: Add SDMA trap src id to the KFD isr
+ wanted list
+
+This enables SDMA signalling with event interrupt.
+
+Change-Id: If9cc8cea8ac781523e1e24ae54a137416141657d
+Signed-off-by: Besar Wicaksono <Besar.Wicaksono@amd.com>
+---
+ drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c | 3 +++
+ drivers/gpu/drm/amd/amdkfd/cik_int.h | 1 +
+ 2 files changed, 4 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c
+index 996b49e..3f49f8e 100644
+--- a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c
++++ b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c
+@@ -46,6 +46,7 @@ static bool cik_event_interrupt_isr(struct kfd_dev *dev,
+ /* Do not process in ISR, just request it to be forwarded to WQ. */
+ return (ihre->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 ||
+ is_cpc_vm_fault(dev, ih_ring_entry));
+@@ -62,6 +63,8 @@ static void cik_event_interrupt_wq(struct kfd_dev *dev,
+
+ if (ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE)
+ kfd_signal_event_interrupt(ihre->pasid, 0, 0);
++ else if (ihre->source_id == CIK_INTSRC_SDMA_TRAP)
++ kfd_signal_event_interrupt(ihre->pasid, 0, 0);
+ else if (ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG)
+ kfd_signal_event_interrupt(ihre->pasid, ihre->data & 0xFF, 8);
+ else if (ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE)
+diff --git a/drivers/gpu/drm/amd/amdkfd/cik_int.h b/drivers/gpu/drm/amd/amdkfd/cik_int.h
+index feb3c24..9054068 100644
+--- a/drivers/gpu/drm/amd/amdkfd/cik_int.h
++++ b/drivers/gpu/drm/amd/amdkfd/cik_int.h
+@@ -50,6 +50,7 @@ struct cik_ih_ring_entry {
+ #define CIK_INTSRC_SQ_INTERRUPT_MSG 0xEF
+ #define CIK_INTSRC_GFX_PAGE_INV_FAULT 0x92
+ #define CIK_INTSRC_GFX_MEM_PROT_FAULT 0x93
++#define CIK_INTSRC_SDMA_TRAP 0xE0
+
+ #endif
+
+--
+2.7.4
+