Re: [PATCH] drm/nouveau/disp/gf119: add missing drive vfunc ptr

From: Rob Clark
Date: Sat Jan 06 2018 - 11:01:47 EST


On Sat, Jan 6, 2018 at 10:59 AM, Rob Clark <robdclark@xxxxxxxxx> wrote:
> Fixes broken dp on GF119:
>
> Call Trace:
> ? nvkm_dp_train_drive+0x183/0x2c0 [nouveau]
> nvkm_dp_acquire+0x4f3/0xcd0 [nouveau]
> nv50_disp_super_2_2+0x5d/0x470 [nouveau]
> ? nvkm_devinit_pll_set+0xf/0x20 [nouveau]
> gf119_disp_super+0x19c/0x2f0 [nouveau]
> process_one_work+0x193/0x3c0
> worker_thread+0x35/0x3b0
> kthread+0x125/0x140
> ? process_one_work+0x3c0/0x3c0
> ? kthread_park+0x60/0x60
> ret_from_fork+0x25/0x30
> Code: Bad RIP value.
> RIP: (null) RSP: ffffb1e243e4bc38
> CR2: 0000000000000000
>
> Fixes: af85389c614a drm/nouveau/disp: shuffle functions around

This should probably also have:

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103421

> Signed-off-by: Rob Clark <robdclark@xxxxxxxxx>
> ---
> drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
> index a2978a37b4f3..700fc754f28a 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
> @@ -174,6 +174,7 @@ gf119_sor = {
> .links = gf119_sor_dp_links,
> .power = g94_sor_dp_power,
> .pattern = gf119_sor_dp_pattern,
> + .drive = gf119_sor_dp_drive,
> .vcpi = gf119_sor_dp_vcpi,
> .audio = gf119_sor_dp_audio,
> .audio_sym = gf119_sor_dp_audio_sym,
> --
> 2.14.3
>