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From f60f754ee9efe8d43beadccb7bf0b169f77a6247 Mon Sep 17 00:00:00 2001
From: Sanjay R Mehta <sanju.mehta@amd.com>
Date: Sat, 17 Sep 2016 15:13:33 +0530
Subject: [PATCH 08/12] switch UVD code to use UVD_NO_OP for padding
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Replace packet2's with packet0 writes to UVD_NO_OP. The
value written to UVD_NO_OP does not matter.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 6 ++++--
drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 2 +-
drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 2 +-
drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_5_0_d.h | 1 +
drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_6_0_d.h | 1 +
6 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 2ca93a4..f14e4aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -964,8 +964,10 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
ib->ptr[3] = addr >> 32;
ib->ptr[4] = PACKET0(mmUVD_GPCOM_VCPU_CMD, 0);
ib->ptr[5] = 0;
- for (i = 6; i < 16; ++i)
- ib->ptr[i] = PACKET2(0);
+ for (i = 6; i < 16; i += 2) {
+ ib->ptr[i] = PACKET0(mmUVD_NO_OP, 0);
+ ib->ptr[i+1] = 0;
+ }
ib->length_dw = 16;
if (direct) {
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index a75ffb5b..ab4857d 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -114,7 +114,7 @@ static int uvd_v4_2_sw_init(void *handle)
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, CP_PACKET2, 0xf,
+ r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
&adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index ecb8101..2b115bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -111,7 +111,7 @@ static int uvd_v5_0_sw_init(void *handle)
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, CP_PACKET2, 0xf,
+ r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
&adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 0887ea9..e33e3f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -115,7 +115,7 @@ static int uvd_v6_0_sw_init(void *handle)
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, CP_PACKET2, 0xf,
+ r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
&adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
return r;
diff --git a/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_5_0_d.h b/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_5_0_d.h
index eb4cf53..cc972d2 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_5_0_d.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_5_0_d.h
@@ -34,6 +34,7 @@
#define mmUVD_UDEC_ADDR_CONFIG 0x3bd3
#define mmUVD_UDEC_DB_ADDR_CONFIG 0x3bd4
#define mmUVD_UDEC_DBW_ADDR_CONFIG 0x3bd5
+#define mmUVD_NO_OP 0x3bff
#define mmUVD_LMI_RBC_RB_64BIT_BAR_LOW 0x3c69
#define mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH 0x3c68
#define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW 0x3c67
diff --git a/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_6_0_d.h b/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_6_0_d.h
index 6f6fb34..d24d086 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_6_0_d.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_6_0_d.h
@@ -35,6 +35,7 @@
#define mmUVD_UDEC_DB_ADDR_CONFIG 0x3bd4
#define mmUVD_UDEC_DBW_ADDR_CONFIG 0x3bd5
#define mmUVD_POWER_STATUS_U 0x3bfd
+#define mmUVD_NO_OP 0x3bff
#define mmUVD_LMI_RBC_RB_64BIT_BAR_LOW 0x3c69
#define mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH 0x3c68
#define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW 0x3c67
--
2.7.4
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