diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1241-drm-amdkfd-Fix-Gfx9-AQL-MQD-initialization.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/1241-drm-amdkfd-Fix-Gfx9-AQL-MQD-initialization.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1241-drm-amdkfd-Fix-Gfx9-AQL-MQD-initialization.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1241-drm-amdkfd-Fix-Gfx9-AQL-MQD-initialization.patch new file mode 100644 index 00000000..8c54470a --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1241-drm-amdkfd-Fix-Gfx9-AQL-MQD-initialization.patch @@ -0,0 +1,34 @@ +From 5886c4dbdde92191a881ea36d3d12dd8bc32d8af Mon Sep 17 00:00:00 2001 +From: Jay Cornwall <Jay.Cornwall@amd.com> +Date: Wed, 22 Feb 2017 11:04:50 -0600 +Subject: [PATCH 1241/4131] drm/amdkfd: Fix Gfx9 AQL MQD initialization + +CP_HQD_AQL_CONTROL.CONTROL0_EN should not be set in the initial +MQD state. Doing so can cause intermittent failures in barrier +packet processing. + +Clear CP_HQD_AQL_CONTROL.CONTROL0_EN in the initial MQD state. + +Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com> +Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +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 3caeb6e..c80691e 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +@@ -148,8 +148,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + m->cp_hqd_aql_control = +- 1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT | +- 1 << CP_HQD_AQL_CONTROL__CONTROL0_EN__SHIFT; ++ 1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT; + } + + if (q->tba_addr) { +-- +2.7.4 + |