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Merge tag 'amd-drm-fixes-5.8-2020-07-22' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 

amd-drm-fixes-5.8-2020-07-22:

amdgpu:
- Fix crash when overclocking VegaM
- Fix possible crash when editing dpm levels

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200723032608.3865-1-alexander.deucher@amd.com
This commit is contained in:
Dave Airlie 2020-07-23 14:06:14 +10:00
parent 26a2be0789 38e0c89a19
commit d8904ca9d3
2 changed files with 9 additions and 10 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
View File

@ -778,8 +778,7 @@ static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
tmp_str++; tmp_str++;
while (isspace(*++tmp_str)); while (isspace(*++tmp_str));
while (tmp_str[0]) { while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
sub_str = strsep(&tmp_str, delimiter);
ret = kstrtol(sub_str, 0, &parameter[parameter_size]); ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
if (ret) if (ret)
return -EINVAL; return -EINVAL;
@ -1039,8 +1038,7 @@ static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
memcpy(buf_cpy, buf, bytes); memcpy(buf_cpy, buf, bytes);
buf_cpy[bytes] = '\0'; buf_cpy[bytes] = '\0';
tmp = buf_cpy; tmp = buf_cpy;
while (tmp[0]) { while ((sub_str = strsep(&tmp, delimiter)) != NULL) {
sub_str = strsep(&tmp, delimiter);
if (strlen(sub_str)) { if (strlen(sub_str)) {
ret = kstrtol(sub_str, 0, &level); ret = kstrtol(sub_str, 0, &level);
if (ret) if (ret)
@ -1637,8 +1635,7 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
i++; i++;
memcpy(buf_cpy, buf, count-i); memcpy(buf_cpy, buf, count-i);
tmp_str = buf_cpy; tmp_str = buf_cpy;
while (tmp_str[0]) { while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
sub_str = strsep(&tmp_str, delimiter);
ret = kstrtol(sub_str, 0, &parameter[parameter_size]); ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
if (ret) if (ret)
return -EINVAL; return -EINVAL;

10
drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
View File

@ -644,9 +644,6 @@ static int vegam_get_dependency_volt_by_clk(struct pp_hwmgr *hwmgr,
/* sclk is bigger than max sclk in the dependence table */ /* sclk is bigger than max sclk in the dependence table */
*voltage |= (dep_table->entries[i - 1].vddc * VOLTAGE_SCALE) << VDDC_SHIFT; *voltage |= (dep_table->entries[i - 1].vddc * VOLTAGE_SCALE) << VDDC_SHIFT;
vddci = phm_find_closest_vddci(&(data->vddci_voltage_table),
(dep_table->entries[i - 1].vddc -
(uint16_t)VDDC_VDDCI_DELTA));
if (SMU7_VOLTAGE_CONTROL_NONE == data->vddci_control) if (SMU7_VOLTAGE_CONTROL_NONE == data->vddci_control)
*voltage |= (data->vbios_boot_state.vddci_bootup_value * *voltage |= (data->vbios_boot_state.vddci_bootup_value *
@ -654,8 +651,13 @@ static int vegam_get_dependency_volt_by_clk(struct pp_hwmgr *hwmgr,
else if (dep_table->entries[i - 1].vddci) else if (dep_table->entries[i - 1].vddci)
*voltage |= (dep_table->entries[i - 1].vddci * *voltage |= (dep_table->entries[i - 1].vddci *
VOLTAGE_SCALE) << VDDC_SHIFT; VOLTAGE_SCALE) << VDDC_SHIFT;
else else {
vddci = phm_find_closest_vddci(&(data->vddci_voltage_table),
(dep_table->entries[i - 1].vddc -
(uint16_t)VDDC_VDDCI_DELTA));
*voltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT; *voltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
}
if (SMU7_VOLTAGE_CONTROL_NONE == data->mvdd_control) if (SMU7_VOLTAGE_CONTROL_NONE == data->mvdd_control)
*mvdd = data->vbios_boot_state.mvdd_bootup_value * VOLTAGE_SCALE; *mvdd = data->vbios_boot_state.mvdd_bootup_value * VOLTAGE_SCALE;