openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang 2018-12-14 18:34:20 +08:00 committed by Alex Deucher
parent 8bf16963df
commit f96357a991
1 changed files with 59 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -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;
}