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From 2a26c64ad24a8c8511e0a4e9f85f32e3477cc2aa Mon Sep 17 00:00:00 2001
From: Leo Liu <leo.liu@amd.com>
Date: Fri, 26 Apr 2019 13:46:21 -0400
Subject: [PATCH 2951/4256] drm/amdgpu: enable the Doorbell support for VCN2.5
Including decode, encode, and JPEG decode rings
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 64 ++++++++++++++++----
drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c | 4 ++
2 files changed, 56 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index f9d6819f0260..840737df19c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -128,6 +128,8 @@ static int vcn_v2_5_sw_init(void *handle)
return r;
ring = &adev->vcn.ring_dec;
+ ring->use_doorbell = true;
+ ring->doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
sprintf(ring->name, "vcn_dec");
r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
if (r)
@@ -153,6 +155,8 @@ static int vcn_v2_5_sw_init(void *handle)
for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
ring = &adev->vcn.ring_enc[i];
+ ring->use_doorbell = true;
+ ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + i;
sprintf(ring->name, "vcn_enc%d", i);
r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
if (r)
@@ -160,6 +164,8 @@ static int vcn_v2_5_sw_init(void *handle)
}
ring = &adev->vcn.ring_jpeg;
+ ring->use_doorbell = true;
+ ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
sprintf(ring->name, "vcn_jpeg");
r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
if (r)
@@ -879,7 +885,10 @@ static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
+ if (ring->use_doorbell)
+ return adev->wb.wb[ring->wptr_offs];
+ else
+ return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
}
/**
@@ -893,7 +902,12 @@ static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
+ if (ring->use_doorbell) {
+ adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+ WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+ } else {
+ WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
+ }
}
static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
@@ -954,10 +968,17 @@ static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- if (ring == &adev->vcn.ring_enc[0])
- return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
- else
- return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
+ if (ring == &adev->vcn.ring_enc[0]) {
+ if (ring->use_doorbell)
+ return adev->wb.wb[ring->wptr_offs];
+ else
+ return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
+ } else {
+ if (ring->use_doorbell)
+ return adev->wb.wb[ring->wptr_offs];
+ else
+ return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
+ }
}
/**
@@ -971,10 +992,21 @@ static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- if (ring == &adev->vcn.ring_enc[0])
- WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
- else
- WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+ if (ring == &adev->vcn.ring_enc[0]) {
+ if (ring->use_doorbell) {
+ adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+ WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+ } else {
+ WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+ }
+ } else {
+ if (ring->use_doorbell) {
+ adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+ WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+ } else {
+ WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+ }
+ }
}
static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
@@ -1032,7 +1064,10 @@ static uint64_t vcn_v2_5_jpeg_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
+ if (ring->use_doorbell)
+ return adev->wb.wb[ring->wptr_offs];
+ else
+ return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
}
/**
@@ -1046,7 +1081,12 @@ static void vcn_v2_5_jpeg_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
+ if (ring->use_doorbell) {
+ adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+ WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+ } else {
+ WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
+ }
}
static const struct amdgpu_ring_funcs vcn_v2_5_jpeg_ring_vm_funcs = {
diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c b/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
index 0db84386252a..79223188bd47 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
@@ -85,6 +85,10 @@ void vega20_doorbell_index_init(struct amdgpu_device *adev)
adev->doorbell_index.uvd_vce.vce_ring2_3 = AMDGPU_VEGA20_DOORBELL64_VCE_RING2_3;
adev->doorbell_index.uvd_vce.vce_ring4_5 = AMDGPU_VEGA20_DOORBELL64_VCE_RING4_5;
adev->doorbell_index.uvd_vce.vce_ring6_7 = AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7;
+ adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_VEGA20_DOORBELL64_VCN0_1;
+ adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_VEGA20_DOORBELL64_VCN2_3;
+ adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_VEGA20_DOORBELL64_VCN4_5;
+ adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_VEGA20_DOORBELL64_VCN6_7;
adev->doorbell_index.first_non_cp = AMDGPU_VEGA20_DOORBELL64_FIRST_NON_CP;
adev->doorbell_index.last_non_cp = AMDGPU_VEGA20_DOORBELL64_LAST_NON_CP;
--
2.17.1
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