2023-09-19 23:13:03

by Lyude Paul

[permalink] [raw]
Subject: [PATCH v3 25/44] drm/nouveau/disp: add hdmi audio hal function

From: Ben Skeggs <[email protected]>

This just adds a hook for RM to use, HW paths remain untouched, but
should probably be cleaned up to use this too at some point.

Signed-off-by: Ben Skeggs <[email protected]>
Reviewed-by: Lyude Paul <[email protected]>
Acked-by: Danilo Krummrich <[email protected]>
Signed-off-by: Lyude Paul <[email protected]>
---
drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h | 1 +
drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c | 10 +++++++++-
2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
index 6e750890bcc93..8686e5c044a5d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
@@ -74,6 +74,7 @@ struct nvkm_ior_func {
bool scrambling_low_rates);
void (*infoframe_avi)(struct nvkm_ior *, int head, void *data, u32 size);
void (*infoframe_vsi)(struct nvkm_ior *, int head, void *data, u32 size);
+ void (*audio)(struct nvkm_ior *, int head, bool enable);
} *hdmi;

const struct nvkm_ior_func_dp {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
index ad75dc5c50cf7..7574f22006441 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c
@@ -99,12 +99,20 @@ nvkm_uoutp_mthd_hda_eld(struct nvkm_outp *outp, void *argv, u32 argc)
if (argc && args->v0.data[0]) {
if (outp->info.type == DCB_OUTPUT_DP)
ior->func->dp->audio(ior, args->v0.head, true);
+ else
+ if (ior->func->hdmi->audio)
+ ior->func->hdmi->audio(ior, args->v0.head, true);
+
ior->func->hda->hpd(ior, args->v0.head, true);
ior->func->hda->eld(ior, args->v0.head, args->v0.data, argc);
} else {
+ ior->func->hda->hpd(ior, args->v0.head, false);
+
if (outp->info.type == DCB_OUTPUT_DP)
ior->func->dp->audio(ior, args->v0.head, false);
- ior->func->hda->hpd(ior, args->v0.head, false);
+ else
+ if (ior->func->hdmi->audio)
+ ior->func->hdmi->audio(ior, args->v0.head, false);
}

return 0;
--
2.41.0