linux-kernel - [PATCH 2/2] drm/etnaviv: Remove the etnaviv_iommuv2_ensure

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Message-Id: <20241108143658.2229786-2-sui.jingfeng@linux.dev>
Date: Fri,  8 Nov 2024 22:36:58 +0800
From: Sui Jingfeng <sui.jingfeng@...ux.dev>
To: Lucas Stach <l.stach@...gutronix.de>,
	Russell King <linux+etnaviv@...linux.org.uk>,
	Christian Gmeiner <christian.gmeiner@...il.com>
Cc: David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	etnaviv@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Sui Jingfeng <sui.jingfeng@...ux.dev>
Subject: [PATCH 2/2] drm/etnaviv: Remove the etnaviv_iommuv2_ensure_stlb()

The etnaviv_iommuv2_ensure_stlb() function have been replaced by the
etnaviv_iommuv2_ensure_stlb_new(), remove it.

Signed-off-by: Sui Jingfeng <sui.jingfeng@...ux.dev>
---
 drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c | 24 ----------------------
 1 file changed, 24 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
index fa6eed1ae1be..65b91eabb278 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
@@ -113,30 +113,6 @@ static void etnaviv_iommuv2_free(struct etnaviv_iommu_context *context)
 	vfree(v2_context);
 }
 
-static int
-etnaviv_iommuv2_ensure_stlb(struct etnaviv_iommuv2_context *v2_context,
-			    int stlb)
-{
-	if (v2_context->stlb_cpu[stlb])
-		return 0;
-
-	v2_context->stlb_cpu[stlb] =
-			dma_alloc_wc(v2_context->base.global->dev, SZ_4K,
-				     &v2_context->stlb_dma[stlb],
-				     GFP_KERNEL);
-
-	if (!v2_context->stlb_cpu[stlb])
-		return -ENOMEM;
-
-	memset32(v2_context->stlb_cpu[stlb], MMUv2_PTE_EXCEPTION,
-		 SZ_4K / sizeof(u32));
-
-	v2_context->mtlb_cpu[stlb] =
-			v2_context->stlb_dma[stlb] | MMUv2_PTE_PRESENT;
-
-	return 0;
-}
-
 static int etnaviv_iommuv2_map(struct etnaviv_iommu_context *context,
 			       unsigned long iova, phys_addr_t paddr,
 			       size_t size, int prot)
-- 
2.34.1