search for: nv_match_device

...eau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -1746,6 +1746,17 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf) *conn = 0x02000312; } + /* + * Lenovo P70: HMDI connector listed as both DP and DVI, + * ignore the DVI entry. + */ + if (nv_match_device(dev, 0x13f9, 0x17aa, 0x222d)) { + if (idx == 7) { + *conn = 0x0000000f; + *conf = 0x00000000; + } + } + return true; } -- 2.9.3

.../nouveau/dispnv04/disp.h | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.h b/drivers/gpu/drm/nouveau/dispnv04/disp.h index c6ed20a..195d899 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/disp.h +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.h @@ -161,7 +161,6 @@ nv_match_device(struct drm_device *dev, unsigned device, dev->pdev->subsystem_device == sub_device; } -#include <subdev/bios.h> #include <subdev/bios/init.h> static inline void -- 2.7.4

Hi Ilia, thanks for your reply. > DP-MST support was first added to nouveau for precisely these kinds of > setups. It does, generally, work, so that means there's something > extra-special about your setup. Yes... this is what it looks like. Even the proprietary driver, which works after bootup, has its problems with the setup after multiple consecutive VT switches (e.g. after