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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4106-drm-amdgpu-sdma5-fix-mask-value-of-POLL_REGMEM-packe.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4106-drm-amdgpu-sdma5-fix-mask-value-of-POLL_REGMEM-packe.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4106-drm-amdgpu-sdma5-fix-mask-value-of-POLL_REGMEM-packe.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4106-drm-amdgpu-sdma5-fix-mask-value-of-POLL_REGMEM-packe.patch
new file mode 100644
index 00000000..9ea16d73
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4106-drm-amdgpu-sdma5-fix-mask-value-of-POLL_REGMEM-packe.patch
@@ -0,0 +1,30 @@
+From 55c838d55e504ca7834858d16a72f644adbb59d3 Mon Sep 17 00:00:00 2001
+From: Xiaojie Yuan <xiaojie.yuan@amd.com>
+Date: Thu, 10 Oct 2019 01:01:23 +0800
+Subject: [PATCH 4106/4736] drm/amdgpu/sdma5: fix mask value of POLL_REGMEM
+ packet for pipe sync
+
+sdma will hang once sequence number to be polled reaches 0x1000_0000
+
+Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+index ad5c3566337c..3460c00f3eaa 100644
+--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+@@ -1126,7 +1126,7 @@ static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
+ amdgpu_ring_write(ring, addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+ amdgpu_ring_write(ring, seq); /* reference */
+- amdgpu_ring_write(ring, 0xfffffff); /* mask */
++ amdgpu_ring_write(ring, 0xffffffff); /* mask */
+ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
+ SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
+ }
+--
+2.17.1
+