diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1682-drm-amdkfd-Fix-CMA-bug.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1682-drm-amdkfd-Fix-CMA-bug.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1682-drm-amdkfd-Fix-CMA-bug.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1682-drm-amdkfd-Fix-CMA-bug.patch new file mode 100644 index 00000000..ec6324d0 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1682-drm-amdkfd-Fix-CMA-bug.patch @@ -0,0 +1,30 @@ +From d2a2dd18b9218cee4371c14c6bbc98ba36a78a9f Mon Sep 17 00:00:00 2001 +From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> +Date: Wed, 3 May 2017 15:58:50 -0400 +Subject: [PATCH 1682/4131] drm/amdkfd: Fix CMA bug + +If source buffer is copied to multiple destination buffers, the source +offset is not changed. This resulted in same (top) part of the source +buffer repeatedly copied into different destination buffers. Fix it. + +Change-Id: Ib1344a3571ae8b1b49e1cd3c11b8525b78454109 +Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +index f394f05..c763103 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +@@ -2096,6 +2096,7 @@ static int kfd_ioctl_cross_memory_copy(struct file *filep, + space_left -= copied; + dst_va_addr += copied; + dst_offset += copied; ++ src_offset += copied; + if (dst_va_addr > dst_bo->it.last + 1) { + pr_err("Cross mem copy failed. Memory overflow\n"); + err = -EFAULT; +-- +2.7.4 + |