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path: root/drivers/gpu/drm/amd
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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c32
2 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
index 0563476b1242..28417e485c58 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
@@ -77,6 +77,8 @@ struct amdgpu_nbio_funcs {
void (*init_registers)(struct amdgpu_device *adev);
void (*detect_hw_virt)(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);
};
struct amdgpu_nbio {
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index c416ab8ab1c3..6ecdd5e3ca3f 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -315,6 +315,36 @@ static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
WREG32_PCIE(smnPCIE_CI_CNTL, data);
}
+static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev)
+{
+ uint32_t bif_doorbell_intr_cntl;
+
+ bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
+ if (REG_GET_FIELD(bif_doorbell_intr_cntl,
+ BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) {
+ /* driver has to clear the interrupt status when bif ring is disabled */
+ bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
+ BIF_DOORBELL_INT_CNTL,
+ RAS_CNTLR_INTERRUPT_CLEAR, 1);
+ WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
+ }
+}
+
+static void nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
+{
+ uint32_t bif_doorbell_intr_cntl;
+
+ bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
+ if (REG_GET_FIELD(bif_doorbell_intr_cntl,
+ BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) {
+ /* driver has to clear the interrupt status when bif ring is disabled */
+ bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
+ BIF_DOORBELL_INT_CNTL,
+ RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
+ WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
+ }
+}
+
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,
@@ -336,4 +366,6 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.init_registers = nbio_v7_4_init_registers,
.detect_hw_virt = nbio_v7_4_detect_hw_virt,
.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,
};