diff options
| author | Matt Coffin <mcoffin13@gmail.com> | 2020-02-26 16:16:12 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-02-28 16:59:23 -0500 |
| commit | 1c58267cbe46f0b5741628a72d10b5464712a012 (patch) | |
| tree | cda0abc21d7a98e21afe89c0f485d9b8674f91cd /drivers/gpu/drm/amd/powerplay/smu_internal.h | |
| parent | 2622e2ae27b5bcc31090cd904d54d29111cc7113 (diff) | |
drm/amdgpu/powerplay: Refactor SMU message handling for safety
Move the responsibility for reading argument registers into the
smu_send_smc_msg* implementations, so that adding a message-sending lock
to protect the SMU registers will result in the lock still being held
when the argument is read.
v2: transition smu_v12_0, it's asics, and vega20
Signed-off-by: Matt Coffin <mcoffin13@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_internal.h')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_internal.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_internal.h b/drivers/gpu/drm/amd/powerplay/smu_internal.h index 7bd200ffcda8..6b2ba0170d8a 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_internal.h +++ b/drivers/gpu/drm/amd/powerplay/smu_internal.h @@ -79,10 +79,13 @@ #define smu_set_default_od_settings(smu, initialize) \ ((smu)->ppt_funcs->set_default_od_settings ? (smu)->ppt_funcs->set_default_od_settings((smu), (initialize)) : 0) -int smu_send_smc_msg(struct smu_context *smu, enum smu_message_type msg); +#define smu_send_smc_msg_with_param(smu, msg, param, read_arg) \ + ((smu)->ppt_funcs->send_smc_msg_with_param? (smu)->ppt_funcs->send_smc_msg_with_param((smu), (msg), (param), (read_arg)) : 0) + +static inline int smu_send_smc_msg(struct smu_context *smu, enum smu_message_type msg, uint32_t *read_arg) { + return smu_send_smc_msg_with_param(smu, msg, 0, read_arg); +} -#define smu_send_smc_msg_with_param(smu, msg, param) \ - ((smu)->ppt_funcs->send_smc_msg_with_param? (smu)->ppt_funcs->send_smc_msg_with_param((smu), (msg), (param)) : 0) #define smu_read_smc_arg(smu, arg) \ ((smu)->ppt_funcs->read_smc_arg? (smu)->ppt_funcs->read_smc_arg((smu), (arg)) : 0) #define smu_alloc_dpm_context(smu) \ |