From 2dad9d4d057a080a4ad59c705b3e388af6794576 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 29 May 2012 15:11:22 +0100
Subject: [PATCH] i915: add stub dma-buf mmap callback.
This just adds a stub for now, until we have some users in
place to test this functionality properly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/i915/i915_gem_dmabuf.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 8e269178d6a5..4fba63e896d7 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -93,6 +93,11 @@ static void i915_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_n
}
+static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
+{
+ return -EINVAL;
+}
+
static const struct dma_buf_ops i915_dmabuf_ops = {
.map_dma_buf = i915_gem_map_dma_buf,
.unmap_dma_buf = i915_gem_unmap_dma_buf,
@@ -101,6 +106,7 @@ static const struct dma_buf_ops i915_dmabuf_ops = {
.kmap_atomic = i915_gem_dmabuf_kmap_atomic,
.kunmap = i915_gem_dmabuf_kunmap,
.kunmap_atomic = i915_gem_dmabuf_kunmap_atomic,
+ .mmap = i915_gem_dmabuf_mmap,
};
struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
--
2.34.1