diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4969-drm-amdgpu-allow-for-more-flexible-priority-handling.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4969-drm-amdgpu-allow-for-more-flexible-priority-handling.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4969-drm-amdgpu-allow-for-more-flexible-priority-handling.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4969-drm-amdgpu-allow-for-more-flexible-priority-handling.patch new file mode 100644 index 00000000..2abb812d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4969-drm-amdgpu-allow-for-more-flexible-priority-handling.patch @@ -0,0 +1,36 @@ +From e058320957ab91b7f4fcf566951abad3aa549ee9 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Mon, 16 Jul 2018 13:47:34 +0200 +Subject: [PATCH 4969/5725] drm/amdgpu: allow for more flexible priority + handling +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Allow to call amdgpu_ring_priority_get() after pushing the ring to the +scheduler. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Chunming Zhou <david1.zhou@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +index 19e45a3..93794a8 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +@@ -211,7 +211,8 @@ void amdgpu_ring_priority_get(struct amdgpu_ring *ring, + if (!ring->funcs->set_priority) + return; + +- atomic_inc(&ring->num_jobs[priority]); ++ if (atomic_inc_return(&ring->num_jobs[priority]) <= 0) ++ return; + + mutex_lock(&ring->priority_mutex); + if (priority <= ring->priority) +-- +2.7.4 + |