From f1e582ebfd703ea01dc4caf4d339b7c84ec3ff29 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 25 Jul 2018 15:11:34 -0500
Subject: drm/amdgpu: implement harvesting support for UVD 7.2 (v3)
Properly handle cases where one or more instance of the IP
block may be harvested.
v2: make sure ip_num_rings is initialized amdgpu_queue_mgr.c
v3: rebase on Christian's UVD changes, drop unused var
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
index d8357290ad09..a172bba32b45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
@@ -214,7 +214,7 @@ int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
u32 hw_ip, u32 instance, u32 ring,
struct amdgpu_ring **out_ring)
{
- int r, ip_num_rings;
+ int i, r, ip_num_rings = 0;
struct amdgpu_queue_mapper *mapper = &mgr->mapper[hw_ip];
if (!adev || !mgr || !out_ring)
@@ -243,14 +243,21 @@ int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
ip_num_rings = adev->sdma.num_instances;
break;
case AMDGPU_HW_IP_UVD:
- ip_num_rings = adev->uvd.num_uvd_inst;
+ for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
+ if (!(adev->uvd.harvest_config & (1 << i)))
+ ip_num_rings++;
+ }
break;
case AMDGPU_HW_IP_VCE:
ip_num_rings = adev->vce.num_rings;
break;
case AMDGPU_HW_IP_UVD_ENC:
+ for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
+ if (!(adev->uvd.harvest_config & (1 << i)))
+ ip_num_rings++;
+ }
ip_num_rings =
- adev->uvd.num_enc_rings * adev->uvd.num_uvd_inst;
+ adev->uvd.num_enc_rings * ip_num_rings;
break;
case AMDGPU_HW_IP_VCN_DEC:
ip_num_rings = 1;
--
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