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drm/amd/powerplay: add get atom data table helper

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This patch adds get atom data table helper for smu future use.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Kevin Wang <Kevin1.Wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2018-12-12 21:06:59 +08:00 committed by Alex Deucher
parent 2cf543ed4f
commit e15da5a4b0
2 changed files with 21 additions and 0 deletions
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17
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -27,6 +27,7 @@
#include "amdgpu_smu.h"
#include "soc15_common.h"
#include "smu_v11_0.h"
#include "atom.h"
static int smu_set_funcs(struct amdgpu_device *adev)
{
@ -59,6 +60,22 @@ static int smu_early_init(void *handle)
return 0;
}
int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
uint16_t *size, uint8_t *frev, uint8_t *crev,
uint8_t **addr)
{
struct amdgpu_device *adev = smu->adev;
uint16_t data_start;
if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, table,
size, frev, crev, &data_start))
return -EINVAL;
*addr = (uint8_t *)adev->mode_info.atom_context->bios + data_start;
return 0;
}
static int smu_initialize_pptable(struct smu_context *smu)
{
/* TODO */

4
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -106,6 +106,10 @@ struct smu_funcs
#define smu_send_smc_msg_with_param(smu, msg, param) \
((smu)->funcs->send_smc_msg_with_param? (smu)->funcs->send_smc_msg_with_param((smu), (msg), (param)) : 0)
extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
uint16_t *size, uint8_t *frev, uint8_t *crev,
uint8_t **addr);
extern const struct amd_ip_funcs smu_ip_funcs;
extern const struct amdgpu_ip_block_version smu_v11_0_ip_block;