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| author | Ben Skeggs <bskeggs@redhat.com> | 2012-11-21 14:49:54 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-11-29 09:57:59 +1000 |
| commit | bf2c886a857dcf61f2354796a8858a230f2737fa (patch) | |
| tree | a7911613780012ab863501d3a2ac633e9d81157e /drivers/gpu/drm/nouveau/core/engine | |
| parent | e225f446a0808ce38b124df489d0568c05c3057a (diff) | |
| download | linux-3.10-bf2c886a857dcf61f2354796a8858a230f2737fa.tar.gz linux-3.10-bf2c886a857dcf61f2354796a8858a230f2737fa.tar.bz2 linux-3.10-bf2c886a857dcf61f2354796a8858a230f2737fa.zip | |
drm/nouveau/disp: add support for 10bpc over DisplayPort
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv50.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c | 9 |
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index c9cfd02f94a..c6f80055e98 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -973,7 +973,6 @@ nv50_disp_intr_unk20_dp(struct nv50_disp_priv *priv, const u32 soff = ( or * 0x800); const u32 loff = (link * 0x080) + soff; const u32 ctrl = nv_rd32(priv, 0x610794 + (or * 8)); - const u32 bits = ((ctrl & 0x000f0000) == 0x00020000) ? 18 : 24; const u32 symbol = 100000; u32 dpctrl = nv_rd32(priv, 0x61c10c + loff) & 0x0000f0000; u32 clksor = nv_rd32(priv, 0x614300 + soff); @@ -981,7 +980,7 @@ nv50_disp_intr_unk20_dp(struct nv50_disp_priv *priv, int TU, VTUi, VTUf, VTUa; u64 link_data_rate, link_ratio, unk; u32 best_diff = 64 * symbol; - u32 link_nr, link_bw, r; + u32 link_nr, link_bw, bits, r; /* calculate packed data rate for each lane */ if (dpctrl > 0x00030000) link_nr = 4; @@ -993,6 +992,10 @@ nv50_disp_intr_unk20_dp(struct nv50_disp_priv *priv, else link_bw = 162000; + if ((ctrl & 0xf0000) == 0x60000) bits = 30; + else if ((ctrl & 0xf0000) == 0x50000) bits = 24; + else bits = 18; + link_data_rate = (pclk * bits / 8) / link_nr; /* calculate ratio of packed data rate to link symbol rate */ diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 24bcbc6a88b..9e38ebff5fb 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -711,7 +711,6 @@ nvd0_display_unk2_calc_tu(struct nv50_disp_priv *priv, int head, int or) const u32 ctrl = nv_rd32(priv, 0x660200 + (or * 0x020)); const u32 conf = nv_rd32(priv, 0x660404 + (head * 0x300)); const u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; - const u32 bits = ((conf & 0x3c0) == 0x080) ? 18 : 24; const u32 link = ((ctrl & 0xf00) == 0x800) ? 0 : 1; const u32 hoff = (head * 0x800); const u32 soff = ( or * 0x800); @@ -720,10 +719,14 @@ nvd0_display_unk2_calc_tu(struct nv50_disp_priv *priv, int head, int or) const u32 TU = 64; u32 dpctrl = nv_rd32(priv, 0x61c10c + loff) & 0x000f0000; u32 clksor = nv_rd32(priv, 0x612300 + soff); - u32 datarate = (pclk * bits) / 8; - u32 link_nr, link_bw; + u32 datarate, link_nr, link_bw, bits; u64 ratio, value; + if ((conf & 0x3c0) == 0x180) bits = 30; + else if ((conf & 0x3c0) == 0x140) bits = 24; + else bits = 18; + datarate = (pclk * bits) / 8; + if (dpctrl > 0x00030000) link_nr = 4; else if (dpctrl > 0x00010000) link_nr = 2; else link_nr = 1; |