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drm/amdgpu: No need to check gfxoff status after enable gfxoff feature

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smu_send_smc_msg(smu, SMU_MSG_AllowGfxOff) Just turn on a switch.

As to when GPU get into "GFXoff" will be up to drawing load.

So we can not sure which state GPU should be in after enable gfxoff
feature.

Signed-off-by: chen gong <curry.gong@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
chen gong 2019-10-16 18:04:02 +08:00 committed by Alex Deucher
parent 5441dd0e2c
commit 64c5cc9367
1 changed files with 0 additions and 9 deletions
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9
drivers/gpu/drm/amd/powerplay/smu_v12_0.c
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@ -244,15 +244,6 @@ static int smu_v12_0_gfx_off_control(struct smu_context *smu, bool enable)
if (enable) {
ret = smu_send_smc_msg(smu, SMU_MSG_AllowGfxOff);
/* confirm gfx is back to "off" state, timeout is 5 seconds */
while (!(smu_v12_0_get_gfxoff_status(smu) == 0)) {
msleep(10);
timeout--;
if (timeout == 0) {
DRM_ERROR("enable gfxoff timeout and failed!\n");
break;
}
}
} else {
ret = smu_send_smc_msg(smu, SMU_MSG_DisallowGfxOff);