<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> <p style="margin-top:0;margin-bottom:0">Acked-by: Alex Deucher <alexander.deucher@amd.com><br> </p> </div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Yintian Tao <yttao@amd.com><br> <b>Sent:</b> Sunday, August 19, 2018 11:39:53 PM<br> <b>To:</b> amd-gfx@lists.freedesktop.org<br> <b>Cc:</b> Tao, Yintian<br> <b>Subject:</b> [PATCH] drm/powerplay: enable dpm under pass-through</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt;"> <div class="PlainText">Repeat enable dpm under pass-through because there is no actually<br> hardware-fini and real power-off when guest vm shutdown or reboot.<br> Otherwise, under pass-through it will be failed to populate populate<br> and upload SCLK MCLK DPM levels due to zero of pcie_speed_table.count.<br> <br> Change-Id: I7cbc55c650867d00e19241ceea5d98f78b5ac3f5<br> Signed-off-by: Yintian Tao <yttao@amd.com><br> ---<br> drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 4 +++-<br> 1 file changed, 3 insertions(+), 1 deletion(-)<br> <br> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c<br> index 53207e7..6ef3c87 100644<br> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c<br> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c<br> @@ -75,10 +75,12 @@ int phm_set_power_state(struct pp_hwmgr *hwmgr,<br> <br> int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)<br> {<br> + struct amdgpu_device *adev = NULL;<br> int ret = -EINVAL;;<br> PHM_FUNC_CHECK(hwmgr);<br> + adev = hwmgr->adev;<br> <br> - if (smum_is_dpm_running(hwmgr)) {<br> + if (smum_is_dpm_running(hwmgr) && !amdgpu_passthrough(adev)) {<br> pr_info("dpm has been enabled\n");<br> return 0;<br> }<br> -- <br> 2.7.4<br> <br> _______________________________________________<br> amd-gfx mailing list<br> amd-gfx@lists.freedesktop.org<br> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br> </div> </span></font></div> </body> </html>