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From 32db1448e07f0e687734875f351bc7a59da7c84d Mon Sep 17 00:00:00 2001
From: Kevin Wang <Kevin1.Wang@amd.com>
Date: Fri, 14 Dec 2018 18:34:20 +0800
Subject: [PATCH 1367/2940] drm/amd/powerplay: implement
smu_init(fini)_fb_allocations function
This patch implements smu_init_fb_allocations/smu_fini_fb_allocations function
for smu to reserve the BOs for smc tables.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 60 +++++++++++++++++++++-
1 file changed, 59 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index b275139ae96b..ef377ef0e389 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -178,10 +178,63 @@ static int smu_sw_fini(void *handle)
static int smu_init_fb_allocations(struct smu_context *smu)
{
- /* TODO */
+ struct amdgpu_device *adev = smu->adev;
+ struct smu_table_context *smu_table = &smu->smu_table;
+ struct smu_table *tables = smu_table->tables;
+ uint32_t table_count = smu_table->table_count;
+ uint32_t i = 0;
+ int32_t ret = 0;
+
+ if (table_count <= 0)
+ return -EINVAL;
+
+ for (i = 0 ; i < table_count; i++) {
+ if (tables[i].size == 0)
+ continue;
+ ret = amdgpu_bo_create_kernel(adev,
+ tables[i].size,
+ tables[i].align,
+ tables[i].domain,
+ &tables[i].bo,
+ &tables[i].mc_address,
+ &tables[i].cpu_addr);
+ if (ret)
+ goto failed;
+ }
+
return 0;
+failed:
+ for (; i > 0; i--) {
+ if (tables[i].size == 0)
+ continue;
+ amdgpu_bo_free_kernel(&tables[i].bo,
+ &tables[i].mc_address,
+ &tables[i].cpu_addr);
+
+ }
+ return ret;
}
+static int smu_fini_fb_allocations(struct smu_context *smu)
+{
+ struct smu_table_context *smu_table = &smu->smu_table;
+ struct smu_table *tables = smu_table->tables;
+ uint32_t table_count = smu_table->table_count;
+ uint32_t i = 0;
+
+ if (table_count == 0 || tables == NULL)
+ return -EINVAL;
+
+ for (i = 0 ; i < table_count; i++) {
+ if (tables[i].size == 0)
+ continue;
+ amdgpu_bo_free_kernel(&tables[i].bo,
+ &tables[i].mc_address,
+ &tables[i].cpu_addr);
+ }
+
+ return 0;
+}
static int smu_smc_table_hw_init(struct smu_context *smu)
{
int ret;
@@ -329,10 +382,15 @@ static int smu_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
+ int ret = 0;
if (adev->asic_type < CHIP_VEGA20)
return -EINVAL;
+ ret = smu_fini_fb_allocations(smu);
+ if (ret)
+ return ret;
+
return 0;
}
--
2.17.1
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