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From 060923594d38b4f8dae51d7da4eff946466b9f64 Mon Sep 17 00:00:00 2001
From: Jim Qu <Jim.Qu@amd.com>
Date: Thu, 1 Feb 2018 15:22:19 +0800
Subject: [PATCH 3318/4131] Revert "Revert "drm/amdgpu: fix
vcn_v1_0_dec_ring_emit_wreg""
This reverts commit afc0b4341ef6c918c1686cd4c62c1a8247f311bf.
---
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index bdc0052..714605a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -917,6 +917,22 @@ static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
vcn_v1_0_dec_vm_reg_wait(ring, data0, data1, mask);
}
+static void vcn_v1_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
+ uint32_t reg, uint32_t val)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ amdgpu_ring_write(ring,
+ PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0));
+ amdgpu_ring_write(ring, reg << 2);
+ amdgpu_ring_write(ring,
+ PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0));
+ amdgpu_ring_write(ring, val);
+ amdgpu_ring_write(ring,
+ PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0));
+ amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1);
+}
+
/**
* vcn_v1_0_enc_ring_get_rptr - get enc read pointer
*
@@ -1135,7 +1151,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = {
.pad_ib = amdgpu_ring_generic_pad_ib,
.begin_use = amdgpu_vcn_ring_begin_use,
.end_use = amdgpu_vcn_ring_end_use,
- .emit_wreg = vcn_v1_0_enc_ring_emit_wreg,
+ .emit_wreg = vcn_v1_0_dec_ring_emit_wreg,
};
static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
@@ -1162,6 +1178,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = {
.pad_ib = amdgpu_ring_generic_pad_ib,
.begin_use = amdgpu_vcn_ring_begin_use,
.end_use = amdgpu_vcn_ring_end_use,
+ .emit_wreg = vcn_v1_0_enc_ring_emit_wreg,
};
static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
--
2.7.4
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