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| author |   Martin Peres <martin.peres@free.fr> | 2011-04-14 00:46:19 +0200 |
|---|---|---|
| committer |   Ben Skeggs <bskeggs@redhat.com> | 2011-05-16 10:50:30 +1000 |
| commit | e614b2e7ca9f9946cede13b34c950b92af6fa7ef (patch) | |
| tree | d721917f2a547fd6f9471deb36bb23aceb569b70 /drivers/gpu/drm/nouveau/nouveau_perf.c | |
| parent | drm/nva3/pm: initial pass at set_clock() hook (diff) | |
| download | linux-dev-e614b2e7ca9f9946cede13b34c950b92af6fa7ef.tar.xz linux-dev-e614b2e7ca9f9946cede13b34c950b92af6fa7ef.zip | |
drm/nouveau: Associate memtimings with performance levels on cards <= nv98
v2 (Ben Skeggs): fix ramcfg strap, and remove bogus handling of perf 0x40
Signed-off-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_perf.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_perf.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c index 670e3cb697ec..5b87e68b00ae 100644 --- a/drivers/gpu/drm/nouveau/nouveau_perf.c +++ b/drivers/gpu/drm/nouveau/nouveau_perf.c @@ -82,6 +82,7 @@ nouveau_perf_init(struct drm_device *dev) u8 version, headerlen, recordlen, entries; u8 *perf, *entry; int vid, i; + u8 ramcfg = (nv_rd32(dev, NV_PEXTDEV_BOOT_0) & 0x3c) >> 2; if (bios->type == NVBIOS_BIT) { if (bit_table(dev, 'P', &P)) @@ -124,6 +125,8 @@ nouveau_perf_init(struct drm_device *dev) for (i = 0; i < entries; i++) { struct nouveau_pm_level *perflvl = &pm->perflvl[pm->nr_perflvl]; + perflvl->timing = NULL; + if (entry[0] == 0xff) { entry += recordlen; continue; @@ -190,6 +193,22 @@ nouveau_perf_init(struct drm_device *dev) } } + /* get the corresponding memory timings */ + if (pm->memtimings.supported) { + u8 timing_id = 0xff; + u16 extra_data; + + if (version > 0x15 && version < 0x40 && + ramcfg < perf[4]) { + extra_data = perf[3] + (ramcfg * perf[5]); + timing_id = entry[extra_data + 1]; + } + + if (pm->memtimings.nr_timing > timing_id) + perflvl->timing = + &pm->memtimings.timing[timing_id]; + } + snprintf(perflvl->name, sizeof(perflvl->name), "performance_level_%d", i); perflvl->id = i; |