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 <[email protected]> --- drivers/gpu/drm/amd/powerplay/smu_v12_0.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c index c9691d0..cac4269 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c @@ -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); -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
