diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 75a376cc342a..08da478ba544 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -409,7 +409,7 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct nouveau_channel *evo = dispc->sync; int ret; - ret = RING_SPACE(evo, 24); + ret = RING_SPACE(evo, chan ? 25 : 27); if (unlikely(ret)) return ret; @@ -458,8 +458,19 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, /* queue the flip on the crtc's "display sync" channel */ BEGIN_RING(evo, 0, 0x0100, 1); OUT_RING (evo, 0xfffe0000); - BEGIN_RING(evo, 0, 0x0084, 5); - OUT_RING (evo, chan ? 0x00000100 : 0x00000010); + if (chan) { + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000100); + } else { + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000010); + /* allows gamma somehow, PDISP will bitch at you if + * you don't wait for vblank before changing this.. + */ + BEGIN_RING(evo, 0, 0x00e0, 1); + OUT_RING (evo, 0x40000000); + } + BEGIN_RING(evo, 0, 0x0088, 4); OUT_RING (evo, dispc->sem.offset); OUT_RING (evo, 0xf00d0000 | dispc->sem.value); OUT_RING (evo, 0x74b1e000); @@ -517,13 +528,25 @@ nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcb, if (bios->fp.if_is_24bit) script |= 0x0200; } else { + /* determine number of lvds links */ + if (nv_connector && nv_connector->edid && + nv_connector->dcb->type == DCB_CONNECTOR_LVDS_SPWG) { + /* http://www.spwg.org */ + if (((u8 *)nv_connector->edid)[121] == 2) + script |= 0x0100; + } else if (pxclk >= bios->fp.duallink_transition_clk) { script |= 0x0100; + } + + /* determine panel depth */ + if (script & 0x0100) { if (bios->fp.strapless_is_24bit & 2) script |= 0x0200; - } else - if (bios->fp.strapless_is_24bit & 1) - script |= 0x0200; + } else { + if (bios->fp.strapless_is_24bit & 1) + script |= 0x0200; + } if (nv_connector && nv_connector->edid && (nv_connector->edid->revision >= 4) && |