UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/radeon/dpm: handle voltage info fetching on hawaii 

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 <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2014-07-31 18:07:17 -04:00
parent e9f274b2a1
commit 6b57f20cb5
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/radeon/ci_dpm.c
View File

@ -940,7 +940,18 @@ 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,