Commit f96357a9 authored by Kevin Wang's avatar Kevin Wang Committed by Alex Deucher
Browse files

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: default avatarKevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8bf16963

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

+59 −1
Original line number Diff line number Diff line
@@ -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;

}

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