forked from Minki/linux
drm/nv50: fix suspend/resume with DP outputs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
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17b96cc38d
commit
afa3b4c377
@ -48,6 +48,8 @@ struct nouveau_encoder {
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union {
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struct {
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int mc_unknown;
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uint32_t unk0;
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uint32_t unk1;
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int dpcd_version;
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int link_nr;
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int link_bw;
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@ -826,6 +826,7 @@
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#define NV50_SOR_DP_CTRL_TRAINING_PATTERN_2 0x02000000
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#define NV50_SOR_DP_UNK118(i,l) (0x0061c118 + (i) * 0x800 + (l) * 0x80)
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#define NV50_SOR_DP_UNK120(i,l) (0x0061c120 + (i) * 0x800 + (l) * 0x80)
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#define NV50_SOR_DP_UNK128(i,l) (0x0061c128 + (i) * 0x800 + (l) * 0x80)
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#define NV50_SOR_DP_UNK130(i,l) (0x0061c130 + (i) * 0x800 + (l) * 0x80)
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#define NV50_PDISPLAY_USER(i) ((i) * 0x1000 + 0x00640000)
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@ -783,6 +783,37 @@ ack:
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nv_wr32(dev, 0x610030, 0x80000000);
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}
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static void
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nv50_display_unk20_dp_hack(struct drm_device *dev, struct dcb_entry *dcb)
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{
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int or = ffs(dcb->or) - 1, link = !(dcb->dpconf.sor.link & 1);
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struct drm_encoder *encoder;
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uint32_t tmp, unk0 = 0, unk1 = 0;
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if (dcb->type != OUTPUT_DP)
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return;
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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if (nv_encoder->dcb == dcb) {
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unk0 = nv_encoder->dp.unk0;
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unk1 = nv_encoder->dp.unk1;
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break;
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}
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}
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if (unk0 || unk1) {
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tmp = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link));
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tmp &= 0xfffffe03;
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nv_wr32(dev, NV50_SOR_DP_CTRL(or, link), tmp | unk0);
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tmp = nv_rd32(dev, NV50_SOR_DP_UNK128(or, link));
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tmp &= 0xfef080c0;
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nv_wr32(dev, NV50_SOR_DP_UNK128(or, link), tmp | unk1);
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}
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}
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static void
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nv50_display_unk20_handler(struct drm_device *dev)
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{
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@ -806,6 +837,8 @@ nv50_display_unk20_handler(struct drm_device *dev)
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nouveau_bios_run_display_table(dev, dcbent, script, pclk);
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nv50_display_unk20_dp_hack(dev, dcbent);
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tmp = nv_rd32(dev, NV50_PDISPLAY_CRTC_CLK_CTRL2(head));
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tmp &= ~0x000000f;
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nv_wr32(dev, NV50_PDISPLAY_CRTC_CLK_CTRL2(head), tmp);
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@ -321,18 +321,23 @@ nv50_sor_create(struct drm_device *dev, struct dcb_entry *entry)
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encoder->possible_clones = 0;
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if (nv_encoder->dcb->type == OUTPUT_DP) {
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uint32_t mc, or = nv_encoder->or;
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int or = nv_encoder->or, link = !(entry->dpconf.sor.link & 1);
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uint32_t tmp;
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if (dev_priv->chipset < 0x90 ||
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dev_priv->chipset == 0x92 || dev_priv->chipset == 0xa0)
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mc = nv_rd32(dev, NV50_PDISPLAY_SOR_MODE_CTRL_C(or));
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tmp = nv_rd32(dev, NV50_PDISPLAY_SOR_MODE_CTRL_C(or));
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else
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mc = nv_rd32(dev, NV90_PDISPLAY_SOR_MODE_CTRL_C(or));
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tmp = nv_rd32(dev, NV90_PDISPLAY_SOR_MODE_CTRL_C(or));
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switch ((mc & 0x00000f00) >> 8) {
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switch ((tmp & 0x00000f00) >> 8) {
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case 8:
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case 9:
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nv_encoder->dp.mc_unknown = (mc & 0x000f0000) >> 16;
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nv_encoder->dp.mc_unknown = (tmp & 0x000f0000) >> 16;
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tmp = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link));
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nv_encoder->dp.unk0 = tmp & 0x000001fc;
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tmp = nv_rd32(dev, NV50_SOR_DP_UNK128(or, link));
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nv_encoder->dp.unk1 = tmp & 0x010f7f3f;
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break;
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default:
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break;
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