nbio ras is not managed by gpu driver when gpu is
connected to cpu through xgmi. split nbio callbacks
into ras and non-ras ones so gpu driver only
initializes nbio ras callbacks when it manages
nbio ras.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reivewed-by: Dennis Li <Dennis.Li@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 12 +++++-----
drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | 19 +++++++++------
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 30 +++++++++++++++++++-----
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 16 ++++++++-----
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h | 1 +
drivers/gpu/drm/amd/amdgpu/soc15.c | 15 ++++++++----
6 files changed, 63 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 03412543427a..90f50561b43a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -199,13 +199,13 @@ irqreturn_t amdgpu_irq_handler(int irq, void *arg)
* ack the interrupt if it is there
*/
if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__PCIE_BIF)) {
- if (adev->nbio.funcs &&
- adev->nbio.funcs->handle_ras_controller_intr_no_bifring)
- adev->nbio.funcs->handle_ras_controller_intr_no_bifring(adev);
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->handle_ras_controller_intr_no_bifring)
+ adev->nbio.ras_funcs->handle_ras_controller_intr_no_bifring(adev);
- if (adev->nbio.funcs &&
- adev->nbio.funcs->handle_ras_err_event_athub_intr_no_bifring)
- adev->nbio.funcs->handle_ras_err_event_athub_intr_no_bifring(adev);
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->handle_ras_err_event_athub_intr_no_bifring)
+ adev->nbio.ras_funcs->handle_ras_err_event_athub_intr_no_bifring(adev);
}
return ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
index 7c11bce4514b..25ee53545837 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
@@ -47,6 +47,17 @@ struct nbio_hdp_flush_reg {
u32 ref_and_mask_sdma7;
};
+struct amdgpu_nbio_ras_funcs {
+ void (*handle_ras_controller_intr_no_bifring)(struct amdgpu_device *adev);
+ void (*handle_ras_err_event_athub_intr_no_bifring)(struct amdgpu_device *adev);
+ int (*init_ras_controller_interrupt)(struct amdgpu_device *adev);
+ int (*init_ras_err_event_athub_interrupt)(struct amdgpu_device *adev);
+ void (*query_ras_error_count)(struct amdgpu_device *adev,
+ void *ras_error_status);
+ int (*ras_late_init)(struct amdgpu_device *adev);
+ void (*ras_fini)(struct amdgpu_device *adev);
+};
+
struct amdgpu_nbio_funcs {
const struct nbio_hdp_flush_reg *hdp_flush_reg;
u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
@@ -79,13 +90,6 @@ struct amdgpu_nbio_funcs {
void (*ih_control)(struct amdgpu_device *adev);
void (*init_registers)(struct amdgpu_device *adev);
void (*remap_hdp_registers)(struct amdgpu_device *adev);
- void (*handle_ras_controller_intr_no_bifring)(struct amdgpu_device *adev);
- void (*handle_ras_err_event_athub_intr_no_bifring)(struct amdgpu_device *adev);
- int (*init_ras_controller_interrupt)(struct amdgpu_device *adev);
- int (*init_ras_err_event_athub_interrupt)(struct amdgpu_device *adev);
- void (*query_ras_error_count)(struct amdgpu_device *adev,
- void *ras_error_status);
- int (*ras_late_init)(struct amdgpu_device *adev);
void (*enable_aspm)(struct amdgpu_device *adev,
bool enable);
void (*program_aspm)(struct amdgpu_device *adev);
@@ -97,6 +101,7 @@ struct amdgpu_nbio {
struct amdgpu_irq_src ras_err_event_athub_irq;
struct ras_common_if *ras_if;
const struct amdgpu_nbio_funcs *funcs;
+ const struct amdgpu_nbio_ras_funcs *ras_funcs;
};
int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1708045e2a0d..ac3f4c3266bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -804,8 +804,9 @@ int amdgpu_ras_query_error_status(struct amdgpu_device *adev,
adev->mmhub.funcs->query_ras_error_status(adev);
break;
case AMDGPU_RAS_BLOCK__PCIE_BIF:
- if (adev->nbio.funcs->query_ras_error_count)
- adev->nbio.funcs->query_ras_error_count(adev, &err_data);
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->query_ras_error_count)
+ adev->nbio.ras_funcs->query_ras_error_count(adev, &err_data);
break;
case AMDGPU_RAS_BLOCK__XGMI_WAFL:
amdgpu_xgmi_query_ras_error_count(adev, &err_data);
@@ -2030,14 +2031,31 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
/* Might need get this flag from vbios. */
con->flags = RAS_DEFAULT_FLAGS;
- if (adev->nbio.funcs->init_ras_controller_interrupt) {
- r = adev->nbio.funcs->init_ras_controller_interrupt(adev);
+ /* initialize nbio ras function ahead of any other
+ * ras functions so hardware fatal error interrupt
+ * can be enabled as early as possible */
+ switch (adev->asic_type) {
+ case CHIP_VEGA20:
+ case CHIP_ARCTURUS:
+ case CHIP_ALDEBARAN:
+ if (!adev->gmc.xgmi.connected_to_cpu)
+ adev->nbio.ras_funcs = &nbio_v7_4_ras_funcs;
+ break;
+ default:
+ /* nbio ras is not available */
+ break;
+ }
+
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->init_ras_controller_interrupt) {
+ r = adev->nbio.ras_funcs->init_ras_controller_interrupt(adev);
if (r)
goto release_con;
}
- if (adev->nbio.funcs->init_ras_err_event_athub_interrupt) {
- r = adev->nbio.funcs->init_ras_err_event_athub_interrupt(adev);
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->init_ras_err_event_athub_interrupt) {
+ r = adev->nbio.ras_funcs->init_ras_err_event_athub_interrupt(adev);
if (r)
goto release_con;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index c477f8972d5d..af44aad78171 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -557,6 +557,16 @@ static void nbio_v7_4_enable_doorbell_interrupt(struct amdgpu_device *adev,
DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
}
+const struct amdgpu_nbio_ras_funcs nbio_v7_4_ras_funcs = {
+ .handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring,
+ .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring,
+ .init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt,
+ .init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt,
+ .query_ras_error_count = nbio_v7_4_query_ras_error_count,
+ .ras_late_init = amdgpu_nbio_ras_late_init,
+ .ras_fini = amdgpu_nbio_ras_fini,
+};
+
const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset,
@@ -577,10 +587,4 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.ih_control = nbio_v7_4_ih_control,
.init_registers = nbio_v7_4_init_registers,
.remap_hdp_registers = nbio_v7_4_remap_hdp_registers,
- .handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring,
- .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring,
- .init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt,
- .init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt,
- .query_ras_error_count = nbio_v7_4_query_ras_error_count,
- .ras_late_init = amdgpu_nbio_ras_late_init,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h
index b1ac82872752..b8216581ec8d 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h
@@ -28,5 +28,6 @@
extern const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg;
extern const struct amdgpu_nbio_funcs nbio_v7_4_funcs;
+extern const struct amdgpu_nbio_ras_funcs nbio_v7_4_ras_funcs;
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 64c98b9c7fe8..5c5eb3aed1b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1523,8 +1523,9 @@ static int soc15_common_late_init(void *handle)
if (adev->hdp.funcs->reset_ras_error_count)
adev->hdp.funcs->reset_ras_error_count(adev);
- if (adev->nbio.funcs->ras_late_init)
- r = adev->nbio.funcs->ras_late_init(adev);
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->ras_late_init)
+ r = adev->nbio.ras_funcs->ras_late_init(adev);
return r;
}
@@ -1545,7 +1546,9 @@ static int soc15_common_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_nbio_ras_fini(adev);
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->ras_fini)
+ adev->nbio.ras_funcs->ras_fini(adev);
adev->df.funcs->sw_fini(adev);
return 0;
}
@@ -1609,9 +1612,11 @@ static int soc15_common_hw_fini(void *handle)
if (adev->nbio.ras_if &&
amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
- if (adev->nbio.funcs->init_ras_controller_interrupt)
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->init_ras_controller_interrupt)
amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
- if (adev->nbio.funcs->init_ras_err_event_athub_interrupt)
+ if (adev->nbio.ras_funcs &&
+ adev->nbio.ras_funcs->init_ras_err_event_athub_interrupt)
amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
}
--
2.17.1
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