diff mbox series

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

Message ID 20230518131605.650622-4-stanislaw.gruszka@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series accel/ivpu: Update MMU code | expand

Commit Message

Stanislaw Gruszka May 18, 2023, 1:16 p.m. UTC 
From: Karol Wachowski <karol.wachowski@linux.intel.com>

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

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

Comments

Jeffrey Hugo May 18, 2023, 2:06 p.m. UTC | #1 
On 5/18/2023 7:16 AM, Stanislaw Gruszka wrote:
> From: Karol Wachowski <karol.wachowski@linux.intel.com>
> 
> Future devices will have different dma bit mask, make it hw specific.
> 
> Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>

Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
diff mbox series

Patch

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;