[PATCH 3/5] accel/ivpu: Make DMA bit mask HW specific

[Stanislaw Gruszka]

From: Karol Wachowski <karol.wachowski at linux.intel.com>

Future devices will have different dma bit mask, make it hw specific.

Signed-off-by: Karol Wachowski <karol.wachowski at linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>
---
 drivers/accel/ivpu/ivpu_drv.c | 4 +++-
 drivers/accel/ivpu/ivpu_hw.h  | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 8396db2b5203..21a5a0d63241 100644
--- a/drivers/accel/ivpu/ivpu_drv.c
+++ b/drivers/accel/ivpu/ivpu_drv.c
@@ -427,7 +427,7 @@ static int ivpu_pci_init(struct ivpu_device *vdev)
 		return PTR_ERR(vdev->regb);
 	}
 
-	ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(38));
+	ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(vdev->hw->dma_bits));
 	if (ret) {
 		ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret);
 		return ret;
@@ -477,6 +477,8 @@ static int ivpu_dev_init(struct ivpu_device *vdev)
 		return -ENOMEM;
 
 	vdev->hw->ops = &ivpu_hw_mtl_ops;
+	vdev->hw->dma_bits = 38;
+
 	vdev->platform = IVPU_PLATFORM_INVALID;
 	vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID;
 	vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID;
diff --git a/drivers/accel/ivpu/ivpu_hw.h b/drivers/accel/ivpu/ivpu_hw.h
index 50a9304ab09c..0393901be492 100644
--- a/drivers/accel/ivpu/ivpu_hw.h
+++ b/drivers/accel/ivpu/ivpu_hw.h
@@ -57,6 +57,7 @@ struct ivpu_hw_info {
 	u32 tile_fuse;
 	u32 sku;
 	u16 config;
+	int dma_bits;
 };
 
 extern const struct ivpu_hw_ops ivpu_hw_mtl_ops;
-- 
2.25.1