diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c index 0f1c223cc7a8..4ad31302aaf4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c @@ -23,6 +23,7 @@ */ #include "dp.h" #include "conn.h" +#include "head.h" #include "ior.h" #include <subdev/bios.h> @@ -419,19 +420,28 @@ nvkm_dp_train(struct nvkm_dp *dp, u32 dataKBps) } int -nvkm_output_dp_train(struct nvkm_outp *outp, u32 datakbps) +nvkm_output_dp_train(struct nvkm_outp *outp, u32 unused) { struct nvkm_dp *dp = nvkm_dp(outp); struct nvkm_ior *ior = dp->outp.ior; + struct nvkm_head *head; bool retrain = true; - u32 linkKBps; + u32 datakbps = 0; u32 dataKBps; + u32 linkKBps; u8 stat[3]; int ret, i; mutex_lock(&dp->mutex); /* Check that link configuration meets current requirements. */ + list_for_each_entry(head, &outp->disp->head, head) { + if (ior->asy.head & (1 << head->id)) { + u32 khz = (head->asy.hz >> ior->asy.rgdiv) / 1000; + datakbps += khz * head->asy.or.depth; + } + } + linkKBps = ior->dp.bw * 27000 * ior->dp.nr; dataKBps = DIV_ROUND_UP(datakbps, 8); OUTP_DBG(&dp->outp, "data %d KB/s link %d KB/s mst %d->%d", |