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From 18111de0dfc38c582c4348af3bda5d3331d35012 Mon Sep 17 00:00:00 2001
From: Jammy Zhou <Jammy.Zhou@amd.com>
Date: Mon, 31 Aug 2015 14:06:39 +0800
Subject: [PATCH 0519/1050] 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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 2 ++
drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 2 ++
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 2 ++
4 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index b66938d..34812ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1708,6 +1708,7 @@ struct amdgpu_sdma {
uint32_t feature_version;
struct amdgpu_ring ring;
+ bool burst_nop;
};
/*
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index c1e7829..cc909c9 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);
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index 2f3948c..2457bf3 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -146,6 +146,8 @@ static int sdma_v2_4_init_microcode(struct amdgpu_device *adev)
hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data;
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;
if (adev->firmware.smu_load) {
info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index a9d9607..70b2f03 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -218,6 +218,8 @@ static int sdma_v3_0_init_microcode(struct amdgpu_device *adev)
hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data;
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;
if (adev->firmware.smu_load) {
info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
--
1.9.1
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