[PATCH] drm/amd/amdgpu: Enable IH Retry CAM by register read

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IH Retry CAM should be enabled by register reads instead of always being set to true.

Signed-off-by: Dewan Alam <dewan.alam@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
index b9e785846637..c330f5a88a06 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
@@ -337,13 +337,20 @@ static int vega20_ih_irq_init(struct amdgpu_device *adev)
 
 	/* Enable IH Retry CAM */
 	if (amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 4, 0) ||
-	    amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 4, 2))
+	    amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(4, 4, 2)) {
 		WREG32_FIELD15(OSSSYS, 0, IH_RETRY_INT_CAM_CNTL_ALDEBARAN,
 			       ENABLE, 1);
-	else
+		adev->irq.retry_cam_enabled = REG_GET_FIELD(
+			RREG32_SOC15(OSSSYS, 0,
+				mmIH_RETRY_INT_CAM_CNTL_ALDEBARAN),
+				IH_RETRY_INT_CAM_CNTL_ALDEBARAN, ENABLE);
+		} else {
 		WREG32_FIELD15(OSSSYS, 0, IH_RETRY_INT_CAM_CNTL, ENABLE, 1);
-
-	adev->irq.retry_cam_enabled = true;
+		adev->irq.retry_cam_enabled = REG_GET_FIELD(
+			RREG32_SOC15(OSSSYS, 0,
+				mmIH_RETRY_INT_CAM_CNTL),
+				IH_RETRY_INT_CAM_CNTL, ENABLE);
+		}
 
 	/* enable interrupts */
 	ret = vega20_ih_toggle_interrupts(adev, true);
-- 
2.34.1




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