diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0909-dma-buf-make-fence-sequence-numbers-64-bit-v2.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0909-dma-buf-make-fence-sequence-numbers-64-bit-v2.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0909-dma-buf-make-fence-sequence-numbers-64-bit-v2.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0909-dma-buf-make-fence-sequence-numbers-64-bit-v2.patch new file mode 100644 index 00000000..13c734f6 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0909-dma-buf-make-fence-sequence-numbers-64-bit-v2.patch @@ -0,0 +1,43 @@ +From bcdd341cd81a6e9944df8121fe38644bdda41051 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Wed, 14 Nov 2018 16:11:06 +0100 +Subject: [PATCH 0909/2940] dma-buf: make fence sequence numbers 64 bit v2 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +For a lot of use cases we need 64bit sequence numbers. Currently drivers +overload the dma_fence structure to store the additional bits. + +Stop doing that and make the sequence number in the dma_fence always +64bit. + +For compatibility with hardware which can do only 32bit sequences the +comparisons in __dma_fence_is_later only takes the lower 32bits as significant +when the upper 32bits are all zero. + +v2: change the logic in __dma_fence_is_later + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Chunming Zhou <david1.zhou@amd.com> +Link: https://patchwork.freedesktop.org/patch/266927/ +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +index 12f2bf97611f..bfaf5c6323be 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +@@ -388,7 +388,7 @@ void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, + soffset, eoffset, eoffset - soffset); + + if (i->fence) +- seq_printf(m, " protected by 0x%08x on context %llu", ++ seq_printf(m, " protected by 0x%016llx on context %llu", + i->fence->seqno, i->fence->context); + + seq_printf(m, "\n"); +-- +2.17.1 + |