AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-25 21:30:54 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/radeon/kms/r6xx+: voltage fixes

Browse Source 
0xff01 is not an actual voltage value, but a flag
for the driver.  If the power state as that value,
skip setting the voltage.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-06-20 13:00:31 -04:00 committed by Dave Airlie
parent 4ee1c57fca
commit a377e187df
4 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/radeon/evergreen.c
View File

@ -140,11 +140,17 @@ void evergreen_pm_misc(struct radeon_device *rdev)
struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
if (voltage->type == VOLTAGE_SW) {
/* 0xff01 is a flag rather then an actual voltage */
if (voltage->voltage == 0xff01)
return;
if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
rdev->pm.current_vddc = voltage->voltage;
DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
}
/* 0xff01 is a flag rather then an actual voltage */
if (voltage->vddci == 0xff01)
return;
if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
rdev->pm.current_vddci = voltage->vddci;

3
drivers/gpu/drm/radeon/r600.c
View File

@ -590,6 +590,9 @@ void r600_pm_misc(struct radeon_device *rdev)
struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
/* 0xff01 is a flag rather then an actual voltage */
if (voltage->voltage == 0xff01)
return;
if (voltage->voltage != rdev->pm.current_vddc) {
radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
rdev->pm.current_vddc = voltage->voltage;

4
drivers/gpu/drm/radeon/radeon_atombios.c
View File

@ -2607,6 +2607,10 @@ void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 v
if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
return;
/* 0xff01 is a flag rather then an actual voltage */
if (voltage_level == 0xff01)
return;
switch (crev) {
case 1:
args.v1.ucVoltageType = voltage_type;

3
drivers/gpu/drm/radeon/rv770.c
View File

@ -105,6 +105,9 @@ void rv770_pm_misc(struct radeon_device *rdev)
struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
/* 0xff01 is a flag rather then an actual voltage */
if (voltage->voltage == 0xff01)
return;
if (voltage->voltage != rdev->pm.current_vddc) {
radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
rdev->pm.current_vddc = voltage->voltage;