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path: root/drivers/gpu/drm/nouveau/nouveau_perf.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_perf.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_perf.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c
index b4327dad6e5..854ca857316 100644
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ b/drivers/gpu/drm/nouveau/nouveau_perf.c
@@ -185,6 +185,8 @@ nouveau_perf_init(struct drm_device *dev)
struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
struct nvbios *bios = &dev_priv->vbios;
struct bit_entry P;
+ struct nouveau_pm_memtimings *memtimings = &pm->memtimings;
+ struct nouveau_pm_tbl_header mt_hdr;
u8 version, headerlen, recordlen, entries;
u8 *perf, *entry;
int vid, i;
@@ -232,6 +234,22 @@ nouveau_perf_init(struct drm_device *dev)
}
entry = perf + headerlen;
+
+ /* For version 0x15, initialize memtiming table */
+ if(version == 0x15) {
+ memtimings->timing =
+ kcalloc(entries, sizeof(*memtimings->timing), GFP_KERNEL);
+ if(!memtimings) {
+ NV_WARN(dev,"Could not allocate memtiming table\n");
+ return;
+ }
+
+ mt_hdr.entry_cnt = entries;
+ mt_hdr.entry_len = 14;
+ mt_hdr.version = version;
+ mt_hdr.header_len = 4;
+ }
+
for (i = 0; i < entries; i++) {
struct nouveau_pm_level *perflvl = &pm->perflvl[pm->nr_perflvl];
@@ -321,7 +339,11 @@ nouveau_perf_init(struct drm_device *dev)
}
/* get the corresponding memory timings */
- if (version > 0x15) {
+ if (version == 0x15) {
+ memtimings->timing[i].id = i;
+ nv30_mem_timing_entry(dev,&mt_hdr,(struct nouveau_pm_tbl_entry*) &entry[41],0,&memtimings->timing[i]);
+ perflvl->timing = &memtimings->timing[i];
+ } else if (version > 0x15) {
/* last 3 args are for < 0x40, ignored for >= 0x40 */
perflvl->timing =
nouveau_perf_timing(dev, &P,