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authorTao Zhou <tao.zhou1@amd.com>2022-04-19 14:45:09 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-04-22 14:50:18 -0400
commitb3c76814ce5b043faa2f07108f1c87ed1cbc8cd1 (patch)
tree800df0ac9d49539a56cf2a1765fb9bf9d587f27c /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
parent66f879496121c18c541125d04a444c62f3ca82ad (diff)
downloadlinux-b3c76814ce5b043faa2f07108f1c87ed1cbc8cd1.tar.bz2
drm/amdgpu: add RAS fatal error interrupt handler
The fatal error handler is independent from general ras interrupt handler since there is no related IH ring. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1c86ec9ab139..03ce3ce913e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1515,6 +1515,26 @@ static int amdgpu_ras_fs_fini(struct amdgpu_device *adev)
/* ras fs end */
/* ih begin */
+
+/* For the hardware that cannot enable bif ring for both ras_controller_irq
+ * and ras_err_evnet_athub_irq ih cookies, the driver has to poll status
+ * register to check whether the interrupt is triggered or not, and properly
+ * ack the interrupt if it is there
+ */
+void amdgpu_ras_interrupt_fatal_error_handler(struct amdgpu_device *adev)
+{
+ if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__PCIE_BIF))
+ return;
+
+ if (adev->nbio.ras &&
+ adev->nbio.ras->handle_ras_controller_intr_no_bifring)
+ adev->nbio.ras->handle_ras_controller_intr_no_bifring(adev);
+
+ if (adev->nbio.ras &&
+ adev->nbio.ras->handle_ras_err_event_athub_intr_no_bifring)
+ adev->nbio.ras->handle_ras_err_event_athub_intr_no_bifring(adev);
+}
+
static void amdgpu_ras_interrupt_poison_consumption_handler(struct ras_manager *obj,
struct amdgpu_iv_entry *entry)
{