Gets rid of drmm_add_final_kfree, which I want to unexport so that it
stops confusion people about this transitional state of rolling drm
managed memory out.
This also fixes the missing drm_dev_put in the error path of the probe
code.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Hyun Kwon <hyun.kwon@xxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Michal Simek <michal.simek@xxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 21 ++++-----------------
1 file changed, 4 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
index 26328c76305b..80b8edd20442 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
@@ -208,27 +208,16 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev)
int ret;
/* Allocate private data. */
- dpsub = kzalloc(sizeof(*dpsub), GFP_KERNEL);
- if (!dpsub)
- return -ENOMEM;
+ dpsub = devm_drm_dev_alloc(&pdev->dev, &zynqmp_dpsub_drm_driver,
+ struct zynqmp_dpsub, drm);
+ if (IS_ERR(dpsub))
+ return PTR_ERR(dpsub);
dpsub->dev = &pdev->dev;
platform_set_drvdata(pdev, dpsub);
dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT));
- /*
- * Initialize the DRM device early, as the DRM core mandates usage of
- * the managed memory helpers tied to the DRM device.
- */
- ret = drm_dev_init(&dpsub->drm, &zynqmp_dpsub_drm_driver, &pdev->dev);
- if (ret < 0) {
- kfree(dpsub);
- return ret;
- }
-
- drmm_add_final_kfree(&dpsub->drm, dpsub);
-
/* Try the reserved memory. Proceed if there's none. */
of_reserved_mem_device_init(&pdev->dev);
@@ -286,8 +275,6 @@ static int zynqmp_dpsub_remove(struct platform_device *pdev)
clk_disable_unprepare(dpsub->apb_clk);
of_reserved_mem_device_release(&pdev->dev);
- drm_dev_put(drm);
-
return 0;
}
--
2.28.0
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