45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From bccabda5868107eb02c38322c7b79161f5e27511 Mon Sep 17 00:00:00 2001
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From: Sasha Finkelstein <fnkl.kernel@gmail.com>
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Date: Fri, 17 Jan 2025 12:34:28 +0100
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Subject: [PATCH 21/21] virtgpu: mixed page size
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This allows running different page sizes between host and guest on
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platforms that support mixed page sizes.
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Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
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---
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drivers/gpu/drm/virtio/virtgpu_vram.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/drivers/gpu/drm/virtio/virtgpu_vram.c b/drivers/gpu/drm/virtio/virtgpu_vram.c
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index 64e2c6dbdd67..cbadcba2c773 100644
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--- a/drivers/gpu/drm/virtio/virtgpu_vram.c
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+++ b/drivers/gpu/drm/virtio/virtgpu_vram.c
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@@ -137,6 +137,12 @@ bool virtio_gpu_is_vram(struct virtio_gpu_object *bo)
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return bo->base.base.funcs == &virtio_gpu_vram_funcs;
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}
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+#if defined(__powerpc64__) || defined(__aarch64__) || defined(__mips__) || defined(__loongarch__)
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+#define MAX_PAGE_SIZE 65536
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+#else
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+#define MAX_PAGE_SIZE PAGE_SIZE
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+#endif
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+
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static int virtio_gpu_vram_map(struct virtio_gpu_object *bo)
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{
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int ret;
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@@ -149,8 +155,8 @@ static int virtio_gpu_vram_map(struct virtio_gpu_object *bo)
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return -EINVAL;
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spin_lock(&vgdev->host_visible_lock);
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- ret = drm_mm_insert_node(&vgdev->host_visible_mm, &vram->vram_node,
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- bo->base.base.size);
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+ ret = drm_mm_insert_node_generic(&vgdev->host_visible_mm, &vram->vram_node,
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+ bo->base.base.size, MAX_PAGE_SIZE, 0, 0);
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spin_unlock(&vgdev->host_visible_lock);
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if (ret)
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--
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2.47.1
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