drm/nvd0/disp: untested LVDS support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 45f8a31..1a561d3 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -816,26 +816,66 @@ nvd0_sor_commit(struct drm_encoder *encoder)
 }
 
 static void
-nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
-                 struct drm_display_mode *adjusted_mode)
+nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
+                 struct drm_display_mode *mode)
 {
+       struct drm_nouveau_private *dev_priv = encoder->dev->dev_private;
        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
        struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
+       struct nouveau_connector *nv_connector;
+       struct nvbios *bios = &dev_priv->vbios;
        u32 mode_ctrl = (1 << nv_crtc->index);
        u32 *push, or_config;
 
-       if (nv_encoder->dcb->sorconf.link & 1) {
-               if (adjusted_mode->clock < 165000)
-                       mode_ctrl |= 0x00000100;
-               else
-                       mode_ctrl |= 0x00000500;
-       } else {
-               mode_ctrl |= 0x00000200;
-       }
+       nv_connector = nouveau_encoder_connector_get(nv_encoder);
+       switch (nv_encoder->dcb->type) {
+       case OUTPUT_TMDS:
+               if (nv_encoder->dcb->sorconf.link & 1) {
+                       if (mode->clock < 165000)
+                               mode_ctrl |= 0x00000100;
+                       else
+                               mode_ctrl |= 0x00000500;
+               } else {
+                       mode_ctrl |= 0x00000200;
+               }
+
+               or_config = (mode_ctrl & 0x00000f00) >> 8;
+               if (mode->clock >= 165000)
+                       or_config |= 0x0100;
+               break;
+       case OUTPUT_LVDS:
+               or_config = (mode_ctrl & 0x00000f00) >> 8;
+               if (bios->fp_no_ddc) {
+                       if (bios->fp.dual_link)
+                               or_config |= 0x0100;
+                       if (bios->fp.if_is_24bit)
+                               or_config |= 0x0200;
+               } else {
+                       if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS_SPWG) {
+                               if (((u8 *)nv_connector->edid)[121] == 2)
+                                       or_config |= 0x0100;
+                       } else
+                       if (mode->clock >= bios->fp.duallink_transition_clk) {
+                               or_config |= 0x0100;
+                       }
 
-       or_config = (mode_ctrl & 0x00000f00) >> 8;
-       if (adjusted_mode->clock >= 165000)
-               or_config |= 0x0100;
+                       if (or_config & 0x0100) {
+                               if (bios->fp.strapless_is_24bit & 2)
+                                       or_config |= 0x0200;
+                       } else {
+                               if (bios->fp.strapless_is_24bit & 1)
+                                       or_config |= 0x0200;
+                       }
+
+                       if (nv_connector->base.display_info.bpc == 8)
+                               or_config |= 0x0200;
+
+               }
+               break;
+       default:
+               BUG_ON(1);
+               break;
+       }
 
        nvd0_sor_dpms(encoder, DRM_MODE_DPMS_ON);
 
@@ -932,8 +972,16 @@ lookup_dcb(struct drm_device *dev, int id, u32 mc)
                type = OUTPUT_ANALOG;
                or   = id;
        } else {
-               type = OUTPUT_TMDS;
-               or   = id - 4;
+               switch (mc & 0x00000f00) {
+               case 0x00000000: type = OUTPUT_LVDS; break;
+               case 0x00000100: type = OUTPUT_TMDS; break;
+               case 0x00000200: type = OUTPUT_TMDS; break;
+               case 0x00000500: type = OUTPUT_TMDS; break;
+               default:
+                       return NULL;
+               }
+
+               or = id - 4;
        }
 
        for (i = 0; i < dev_priv->vbios.dcb.entries; i++) {
@@ -1024,7 +1072,8 @@ nvd0_display_unk2_handler(struct drm_device *dev)
                nv_wr32(dev, 0x612280 + (or * 0x800), 0x00000000);
                break;
        case OUTPUT_TMDS:
-               if (disp->irq.pclk >= 165000)
+       case OUTPUT_LVDS:
+               if (disp->irq.cfg & 0x00000100)
                        tmp = 0x00000101;
                else
                        tmp = 0x00000000;
@@ -1298,6 +1347,7 @@ nvd0_display_create(struct drm_device *dev)
 
                switch (dcbe->type) {
                case OUTPUT_TMDS:
+               case OUTPUT_LVDS:
                        nvd0_sor_create(connector, dcbe);
                        break;
                case OUTPUT_ANALOG: