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| author | Ben Skeggs | 2011-08-04 03:04:47 +0200 |
|---|---|---|
| committer | Ben Skeggs | 2011-09-20 08:10:19 +0200 |
| commit | a002feceb7852964af579ece784b0123869f1e3f (patch) | |
| tree | 971a8aa550f6800b1164dca99706bcaa10eef34c /drivers/gpu/drm/nouveau/nv50_sor.c | |
| parent | drm/nouveau/bios: check for null script pointers in parser (diff) | |
| download | kernel-qcow2-linux-a002feceb7852964af579ece784b0123869f1e3f.tar.gz kernel-qcow2-linux-a002feceb7852964af579ece784b0123869f1e3f.tar.xz kernel-qcow2-linux-a002feceb7852964af579ece784b0123869f1e3f.zip | |
drm/nouveau/dp: pass in required datarate to link training
Not used currently, but it will be used in preference to pre-determined
lane/bandwidth numbers at a later point.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_sor.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_sor.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c index f359f94626c2..2633aa8554eb 100644 --- a/drivers/gpu/drm/nouveau/nv50_sor.c +++ b/drivers/gpu/drm/nouveau/nv50_sor.c @@ -124,7 +124,7 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode) if (mode == DRM_MODE_DPMS_ON) { u8 status = DP_SET_POWER_D0; nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1); - nouveau_dp_link_train(encoder); + nouveau_dp_link_train(encoder, nv_encoder->dp.datarate); } else { u8 status = DP_SET_POWER_D3; nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1); @@ -194,8 +194,6 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, NV_DEBUG_KMS(dev, "or %d type %d -> crtc %d\n", nv_encoder->or, nv_encoder->dcb->type, crtc->index); - nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON); - switch (nv_encoder->dcb->type) { case OUTPUT_TMDS: if (nv_encoder->dcb->sorconf.link & 1) { @@ -208,10 +206,13 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, break; case OUTPUT_DP: nv_connector = nouveau_encoder_connector_get(nv_encoder); - if (nv_connector && nv_connector->base.display_info.bpc == 6) + if (nv_connector && nv_connector->base.display_info.bpc == 6) { + nv_encoder->dp.datarate = crtc->mode->clock * 18 / 8; mode_ctl |= 0x00020000; - else + } else { + nv_encoder->dp.datarate = crtc->mode->clock * 24 / 8; mode_ctl |= 0x00050000; + } if (nv_encoder->dcb->sorconf.link & 1) mode_ctl |= 0x00000800; @@ -233,6 +234,8 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NVSYNC; + nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON); + ret = RING_SPACE(evo, 2); if (ret) { NV_ERROR(dev, "no space while connecting SOR\n"); |