add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
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@@ -3,7 +3,9 @@
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  * Copyright (C) 2014-2018 Etnaviv Project
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  */
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+#include <drm/drm_prime.h>
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 #include <linux/dma-buf.h>
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+
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 #include "etnaviv_drv.h"
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 #include "etnaviv_gem.h"
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@@ -17,7 +19,7 @@
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 	if (WARN_ON(!etnaviv_obj->pages))  /* should have already pinned! */
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 		return ERR_PTR(-EINVAL);
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-	return drm_prime_pages_to_sg(etnaviv_obj->pages, npages);
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+	return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages);
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 }
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 void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj)
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@@ -91,7 +93,15 @@
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 static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj,
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 		struct vm_area_struct *vma)
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 {
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-	return dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0);
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+	int ret;
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+
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+	ret = dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0);
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+	if (!ret) {
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+		/* Drop the reference acquired by drm_gem_mmap_obj(). */
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+		drm_gem_object_put(&etnaviv_obj->base);
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+	}
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+
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+	return ret;
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 }
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 static const struct etnaviv_gem_ops etnaviv_gem_prime_ops = {
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@@ -109,7 +119,6 @@
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 	int ret, npages;
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 	ret = etnaviv_gem_new_private(dev, size, ETNA_BO_WC,
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-				      attach->dmabuf->resv,
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 				      &etnaviv_gem_prime_ops, &etnaviv_obj);
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 	if (ret < 0)
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 		return ERR_PTR(ret);
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@@ -135,14 +144,7 @@
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 	return &etnaviv_obj->base;
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 fail:
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-	drm_gem_object_put_unlocked(&etnaviv_obj->base);
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+	drm_gem_object_put(&etnaviv_obj->base);
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 	return ERR_PTR(ret);
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-}
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-
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-struct reservation_object *etnaviv_gem_prime_res_obj(struct drm_gem_object *obj)
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-{
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-	struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
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-
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-	return etnaviv_obj->resv;
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 }