It's kind of an improvement of the previous commit
drm/amd/powerplay: update current profile mode only when it's really applied
No need to update current profile mode if the new profile mode
does not take effect in fact.
Maybe @Deucher, Alexander can help to combine them as one.
Regards,
Evan
> -----Original Message-----
> From: Evan Quan <[email protected]>
> Sent: Thursday, March 28, 2019 9:51 AM
> To: [email protected]
> Cc: Russell, Kent <[email protected]>; Quan, Evan
> <[email protected]>
> Subject: [PATCH] drm/amd/powerplay: check for invalid profile mode before
> switching
>
> Need to check for invalid profile mode settings before determining to switch
> to that.
>
> Change-Id: Ie47cd75a73a8369c349410ea74d322df1d3d38d1
> Signed-off-by: Evan Quan <[email protected]>
> ---
> drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index 85a536924571..973a8896fa9d 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -4906,9 +4906,6 @@ static int vega10_set_power_profile_mode(struct
> pp_hwmgr *hwmgr, long *input, ui
> uint8_t min_active_level;
> uint32_t power_profile_mode = input[size];
>
> - smum_send_msg_to_smc_with_parameter(hwmgr,
> PPSMC_MSG_SetWorkloadMask,
> - 1 << power_profile_mode);
> -
> if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
> if (size == 0 || size > 4)
> return -EINVAL;
> @@ -4923,6 +4920,8 @@ static int vega10_set_power_profile_mode(struct
> pp_hwmgr *hwmgr, long *input, ui
> use_rlc_busy << 16 |
> min_active_level<<24);
> }
>
> + smum_send_msg_to_smc_with_parameter(hwmgr,
> PPSMC_MSG_SetWorkloadMask,
> + 1 << power_profile_mode);
> hwmgr->power_profile_mode = power_profile_mode;
>
> return 0;
> --
> 2.21.0
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