diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3285-drm-amdkfd-Remove-executable-permission-requirement-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3285-drm-amdkfd-Remove-executable-permission-requirement-.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3285-drm-amdkfd-Remove-executable-permission-requirement-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3285-drm-amdkfd-Remove-executable-permission-requirement-.patch new file mode 100644 index 00000000..36304483 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3285-drm-amdkfd-Remove-executable-permission-requirement-.patch @@ -0,0 +1,35 @@ +From 2ccee23f2562adac0ea1fb69f925a0d0d5d382fb Mon Sep 17 00:00:00 2001 +From: Jay Cornwall <Jay.Cornwall@amd.com> +Date: Thu, 25 Jan 2018 13:06:56 -0600 +Subject: [PATCH 3285/4131] drm/amdkfd: Remove executable permission + requirement for gfx9 CP IBs + +When using ATC addressing for CP IBs the system PTE must be both +writable and executable. This violates the requirements of some +kernel security systems. + +Drop the executable requirement for CP IBs on gfx9. + +Change-Id: I22aee0f8b527be5cccd4530f477e1bb0be4019bc +Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +index 977fcf9..ed2b9d3 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +@@ -222,7 +222,8 @@ static int update_mqd(struct mqd_manager *mm, void *mqd, + pr_debug("cp_hqd_pq_doorbell_control 0x%x\n", + m->cp_hqd_pq_doorbell_control); + +- m->cp_hqd_ib_control = 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT; ++ m->cp_hqd_ib_control = 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT | ++ 1 << CP_HQD_IB_CONTROL__IB_EXE_DISABLE__SHIFT; + + /* + * HW does not clamp this field correctly. Maximum EOP queue size +-- +2.7.4 + |