diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_perf.c | 47 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_pm.c | 10 |
2 files changed, 53 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c index a397420e46c6..00f8243c6c73 100644 --- a/drivers/gpu/drm/nouveau/nouveau_perf.c +++ b/drivers/gpu/drm/nouveau/nouveau_perf.c @@ -27,6 +27,51 @@ #include "nouveau_drv.h" #include "nouveau_pm.h" +static void +legacy_perf_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nvbios *bios = &dev_priv->vbios; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + char *perf, *entry, *bmp = &bios->data[bios->offset]; + int headerlen, use_straps; + + if (bmp[5] < 0x5 || bmp[6] < 0x14) { + NV_DEBUG(dev, "BMP version too old for perf\n"); + return; + } + + perf = ROMPTR(bios, bmp[0x73]); + if (!perf) { + NV_DEBUG(dev, "No memclock table pointer found.\n"); + return; + } + + switch (perf[0]) { + case 0x12: + case 0x14: + case 0x18: + use_straps = 0; + headerlen = 1; + break; + case 0x01: + use_straps = perf[1] & 1; + headerlen = (use_straps ? 8 : 2); + break; + default: + NV_WARN(dev, "Unknown memclock table version %x.\n", perf[0]); + return; + } + + entry = perf + headerlen; + if (use_straps) + entry += (nv_rd32(dev, NV_PEXTDEV_BOOT_0) & 0x3c) >> 1; + + sprintf(pm->perflvl[0].name, "performance_level_0"); + pm->perflvl[0].memory = ROM16(entry[0]) * 20; + pm->nr_perflvl = 1; +} + void nouveau_perf_init(struct drm_device *dev) { @@ -59,7 +104,7 @@ nouveau_perf_init(struct drm_device *dev) } } else { if (bios->data[bios->offset + 6] < 0x27) { - NV_DEBUG(dev, "BMP version too old for perf\n"); + legacy_perf_init(dev); return; } diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c index 4e92d215f05d..a07f27447cf9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.c +++ b/drivers/gpu/drm/nouveau/nouveau_pm.c @@ -148,7 +148,11 @@ nouveau_pm_perflvl_get(struct drm_device *dev, struct nouveau_pm_level *perflvl) static void nouveau_pm_perflvl_info(struct nouveau_pm_level *perflvl, char *ptr, int len) { - char s[16], v[16], f[16]; + char c[16], s[16], v[16], f[16]; + + c[0] = '\0'; + if (perflvl->core) + snprintf(c, sizeof(c), " core %dMHz", perflvl->core / 1000); s[0] = '\0'; if (perflvl->shader) @@ -162,8 +166,8 @@ nouveau_pm_perflvl_info(struct nouveau_pm_level *perflvl, char *ptr, int len) if (perflvl->fanspeed) snprintf(f, sizeof(f), " fanspeed %d%%", perflvl->fanspeed); - snprintf(ptr, len, "core %dMHz memory %dMHz%s%s%s\n", - perflvl->core / 1000, perflvl->memory / 1000, s, v, f); + snprintf(ptr, len, "memory %dMHz%s%s%s%s\n", perflvl->memory / 1000, + c, s, v, f); } static ssize_t |
