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authorJammy Zhou <Jammy.Zhou@amd.com>2015-08-31 14:06:39 +0800
committerAlex Deucher <alexander.deucher@amd.com>2015-09-02 12:22:28 -0400
commit18111de0dfc38c582c4348af3bda5d3331d35012 (patch)
tree2c7dda3f73d5695ee3c4a29b137768c79580316e /drivers/gpu/drm/amd/amdgpu/cik_sdma.c
parent4207a734c32cafd8ea603eb440d6a8e100e7d1d2 (diff)
downloadlinux-18111de0dfc38c582c4348af3bda5d3331d35012.tar.bz2
drm/amdgpu: add burst_nop flag for sdma
The burst NOP is supported for SDMA when feature_version is >= 20. Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik_sdma.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik_sdma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index c1e782952bd7..cc909c9cee63 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -501,6 +501,8 @@ static int cik_sdma_load_microcode(struct amdgpu_device *adev)
fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version);
adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version);
+ if (adev->sdma[i].feature_version >= 20)
+ adev->sdma[i].burst_nop = true;
fw_data = (const __le32 *)
(adev->sdma[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0);