From: Alex Deucher Date: Thu, 31 Jul 2014 22:07:17 +0000 (-0400) Subject: drm/radeon/dpm: handle voltage info fetching on hawaii X-Git-Tag: upstream/snapshot3+hdmi~1655 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=41f4fde0472304c7225f90a41efaf7ae228cd1f1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git drm/radeon/dpm: handle voltage info fetching on hawaii commit 6b57f20cb5b708415fbab63847f8f8429b051af8 upstream. Some hawaii cards use a different method to fetch the voltage info from the vbios. bug: https://bugs.freedesktop.org/show_bug.cgi?id=74250 Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 5fa854c..027b10c 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -922,7 +922,18 @@ static void ci_get_leakage_voltages(struct radeon_device *rdev) pi->vddc_leakage.count = 0; pi->vddci_leakage.count = 0; - if (radeon_atom_get_leakage_id_from_vbios(rdev, &leakage_id) == 0) { + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) { + for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) { + virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; + if (radeon_atom_get_voltage_evv(rdev, virtual_voltage_id, &vddc) != 0) + continue; + if (vddc != 0 && vddc != virtual_voltage_id) { + pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc; + pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id; + pi->vddc_leakage.count++; + } + } + } else if (radeon_atom_get_leakage_id_from_vbios(rdev, &leakage_id) == 0) { for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) { virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; if (radeon_atom_get_leakage_vddc_based_on_leakage_params(rdev, &vddc, &vddci,