diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2075-Revert-drm-amdgpu-use-multipipe-compute-policy-on-no.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2075-Revert-drm-amdgpu-use-multipipe-compute-policy-on-no.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2075-Revert-drm-amdgpu-use-multipipe-compute-policy-on-no.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2075-Revert-drm-amdgpu-use-multipipe-compute-policy-on-no.patch new file mode 100644 index 00000000..17522e15 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2075-Revert-drm-amdgpu-use-multipipe-compute-policy-on-no.patch @@ -0,0 +1,51 @@ +From a8ad76a92c5826004c8f881355adf69c5e2f4d0e Mon Sep 17 00:00:00 2001 +From: "Le.Ma" <Le.Ma@amd.com> +Date: Thu, 2 Nov 2017 14:02:10 +0800 +Subject: [PATCH 2075/4131] Revert "drm/amdgpu: use multipipe compute policy on + non PL11 asics" + +This reverts commit 78b33d8834dc8a751e1c0e7531aa7425b2a797b0. + +Revert this commit because it causes oclperf and other ocl cases hung on Tonga. +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 14 ++------------ + 1 file changed, 2 insertions(+), 12 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +index 1dae2c7..1a8dc93 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +@@ -109,20 +109,9 @@ void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_s + } + } + +-static bool amdgpu_gfx_is_multipipe_capable(struct amdgpu_device *adev) +-{ +- /* FIXME: spreading the queues across pipes causes perf regressions +- * on POLARIS11 compute workloads */ +- if (adev->asic_type == CHIP_POLARIS11) +- return false; +- +- return adev->gfx.mec.num_mec > 1; +-} +- + void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev) + { + int i, queue, pipe, mec; +- bool multipipe_policy = amdgpu_gfx_is_multipipe_capable(adev); + + /* policy for amdgpu compute queue ownership */ + for (i = 0; i < AMDGPU_MAX_COMPUTE_QUEUES; ++i) { +@@ -136,7 +125,8 @@ void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev) + if (mec >= adev->gfx.mec.num_mec) + break; + +- if (multipipe_policy) { ++ /* FIXME: spreading the queues across pipes causes perf regressions */ ++ if (0) { + /* policy: amdgpu owns the first two queues of the first MEC */ + if (mec == 0 && queue < 2) + set_bit(i, adev->gfx.mec.queue_bitmap); +-- +2.7.4 + |