diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3291-drm-amdgpu-use-queue-0-for-kiq-ring.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3291-drm-amdgpu-use-queue-0-for-kiq-ring.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3291-drm-amdgpu-use-queue-0-for-kiq-ring.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3291-drm-amdgpu-use-queue-0-for-kiq-ring.patch new file mode 100644 index 00000000..bc3187fa --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3291-drm-amdgpu-use-queue-0-for-kiq-ring.patch @@ -0,0 +1,37 @@ +From 4877a39147b6eaf0c400f7f5fa8a3124cab9ab17 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Fri, 15 Dec 2017 09:33:21 +0800 +Subject: [PATCH 3291/4131] drm/amdgpu: use queue 0 for kiq ring + +It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN only can be issued on +queue 0. + +Signed-off-by: Huang Rui <ray.huang@amd.com> +Acked-by: Hawking Zhang <Hawking.Zhang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +index dcdd9e3..3116e4d 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +@@ -179,8 +179,12 @@ static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev, + + amdgpu_gfx_bit_to_queue(adev, queue_bit, &mec, &pipe, &queue); + +- /* Using pipes 2/3 from MEC 2 seems cause problems */ +- if (mec == 1 && pipe > 1) ++ /* ++ * 1. Using pipes 2/3 from MEC 2 seems cause problems. ++ * 2. It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN ++ * only can be issued on queue 0. ++ */ ++ if ((mec == 1 && pipe > 1) || queue != 0) + continue; + + ring->me = mec + 1; +-- +2.7.4 + |