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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0170-drm-amdgpu-fix-sdma-doorbell-range-setting.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0170-drm-amdgpu-fix-sdma-doorbell-range-setting.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0170-drm-amdgpu-fix-sdma-doorbell-range-setting.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0170-drm-amdgpu-fix-sdma-doorbell-range-setting.patch
new file mode 100644
index 00000000..f2286561
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0170-drm-amdgpu-fix-sdma-doorbell-range-setting.patch
@@ -0,0 +1,31 @@
+From 924a11755e2c7cc3c3d1a743fd9550be62d11a4b Mon Sep 17 00:00:00 2001
+From: Evan Quan <evan.quan@amd.com>
+Date: Tue, 21 Aug 2018 14:51:53 +0800
+Subject: [PATCH 0170/2940] drm/amdgpu: fix sdma doorbell range setting
+
+Use the old doorbell range setting until the driver is
+able to support more sdma queues.
+
+Signed-off-by: Evan Quan <evan.quan@amd.com>
+Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+index 89ea92075b6b..2e65447637c6 100644
+--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
++++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+@@ -76,7 +76,7 @@ static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instan
+
+ if (use_doorbell) {
+ doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index);
+- doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 8);
++ doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 2);
+ } else
+ doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0);
+
+--
+2.17.1
+