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drm/nouveau/pm: store voltage in microvolts 

Instead of 10s of millivolts, to match fermi vbios.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-06-09 13:45:31 +10:00
parent b6fd41e29d
commit c3450239c7
4 changed files with 12 additions and 11 deletions
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8
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -414,8 +414,8 @@ struct nouveau_gpio_engine {
};
struct nouveau_pm_voltage_level {
u8 voltage;
u8 vid;
u32 voltage; /* microvolts */
u8 vid;
};
struct nouveau_pm_voltage {
@ -451,8 +451,8 @@ struct nouveau_pm_level {
u32 unk05;
u32 unk0a;
u8 voltage;
u8 fanspeed;
u32 voltage; /* microvolts */
u8 fanspeed;
u16 memscript;
struct nouveau_pm_memtiming *timing;

11
drivers/gpu/drm/nouveau/nouveau_perf.c
View File

@ -203,7 +203,8 @@ nouveau_perf_init(struct drm_device *dev)
case 0x13:
case 0x15:
perflvl->fanspeed = entry[55];
perflvl->voltage = (recordlen > 56) ? entry[56] : 0;
if (recordlen > 56)
perflvl->voltage = entry[56] * 10000;
perflvl->core = ROM32(entry[1]) * 10;
perflvl->memory = ROM32(entry[5]) * 20;
break;
@ -211,7 +212,7 @@ nouveau_perf_init(struct drm_device *dev)
case 0x23:
case 0x24:
perflvl->fanspeed = entry[4];
perflvl->voltage = entry[5];
perflvl->voltage = entry[5] * 10000;
perflvl->core = ROM16(entry[6]) * 1000;
if (dev_priv->chipset == 0x49 ||
@ -223,7 +224,7 @@ nouveau_perf_init(struct drm_device *dev)
break;
case 0x25:
perflvl->fanspeed = entry[4];
perflvl->voltage = entry[5];
perflvl->voltage = entry[5] * 10000;
perflvl->core = ROM16(entry[6]) * 1000;
perflvl->shader = ROM16(entry[10]) * 1000;
perflvl->memory = ROM16(entry[12]) * 1000;
@ -232,7 +233,7 @@ nouveau_perf_init(struct drm_device *dev)
perflvl->memscript = ROM16(entry[2]);
case 0x35:
perflvl->fanspeed = entry[6];
perflvl->voltage = entry[7];
perflvl->voltage = entry[7] * 10000;
perflvl->core = ROM16(entry[8]) * 1000;
perflvl->shader = ROM16(entry[10]) * 1000;
perflvl->memory = ROM16(entry[12]) * 1000;
@ -242,7 +243,7 @@ nouveau_perf_init(struct drm_device *dev)
case 0x40:
#define subent(n) entry[perf[2] + ((n) * perf[3])]
perflvl->fanspeed = 0; /*XXX*/
perflvl->voltage = entry[2];
perflvl->voltage = entry[2] * 10000;
if (dev_priv->card_type == NV_50) {
perflvl->core = ROM16(subent(0)) & 0xfff;
perflvl->shader = ROM16(subent(1)) & 0xfff;

2
drivers/gpu/drm/nouveau/nouveau_pm.c
View File

@ -168,7 +168,7 @@ nouveau_pm_perflvl_info(struct nouveau_pm_level *perflvl, char *ptr, int len)
v[0] = '\0';
if (perflvl->voltage)
snprintf(v, sizeof(v), " voltage %dmV", perflvl->voltage * 10);
snprintf(v, sizeof(v), " voltage %dmV", perflvl->voltage / 1000);
f[0] = '\0';
if (perflvl->fanspeed)

2
drivers/gpu/drm/nouveau/nouveau_volt.c
View File

@ -203,7 +203,7 @@ nouveau_volt_init(struct drm_device *dev)
entry = volt + headerlen;
for (i = 0; i < entries; i++, entry += recordlen) {
voltage->level[i].voltage = entry[0];
voltage->level[i].voltage = entry[0] * 10000;
voltage->level[i].vid = entry[1] >> vidshift;
}
voltage->nr_level = entries;