diff options
| author | Huang Rui <ray.huang@amd.com> | 2018-12-12 21:06:59 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:03:55 -0500 |
| commit | e15da5a4b08a94ef63630c85197dabd1c8a88b36 (patch) | |
| tree | 2e72823c96bf517d6abaad589aa940407d9cfe5a | |
| parent | 2cf543ed4f3b70f9f1eeadf4a7cbf656d39ad30e (diff) | |
| download | linux-e15da5a4b08a94ef63630c85197dabd1c8a88b36.tar.bz2 | |
drm/amd/powerplay: add get atom data table helper
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>
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 4 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index a6f19b525420..901c99fea26f 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -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 */ diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 215902fdbd8d..88eee63364f1 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -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; |