diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2023-09-20 00:56:29 +0300 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2023-09-20 01:22:21 +0300 |
| commit | e206cae1e534b7f9944de6d55fd39e9d6b5cf548 (patch) | |
| tree | 55be7d0d53acabcebe18a6c38016dce4d494f6e9 /drivers/gpu/drm/nouveau/include | |
| parent | 3147ce0d07aaacac4a67a30767a7480596de16e2 (diff) | |
| download | linux-e206cae1e534b7f9944de6d55fd39e9d6b5cf548.tar.xz | |
drm/nouveau/disp: add dp sst config method
This is presently unused on HW, we read a bunch of regs and calculate
the watermark during the second supervisor interrupt.
I don't want to change this yet as I need to re-remember how older HW
works exactly, but RM wants this info via RPC.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-35-lyude@redhat.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/include')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/if0012.h | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/outp.h | 1 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0012.h b/drivers/gpu/drm/nouveau/include/nvif/if0012.h index 00ce0a46c152..6fb297b65ae8 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0012.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0012.h @@ -36,6 +36,7 @@ union nvif_outp_args { #define NVIF_OUTP_V0_DP_RATES 0x72 #define NVIF_OUTP_V0_DP_TRAIN 0x73 #define NVIF_OUTP_V0_DP_DRIVE 0x74 +#define NVIF_OUTP_V0_DP_SST 0x75 #define NVIF_OUTP_V0_DP_MST_VCPI 0x78 union nvif_outp_detect_args { @@ -222,6 +223,17 @@ union nvif_outp_dp_drive_args { } v0; }; +union nvif_outp_dp_sst_args { + struct nvif_outp_dp_sst_v0 { + __u8 version; + __u8 head; + __u8 pad02[2]; + __u32 watermark; + __u32 hblanksym; + __u32 vblanksym; + } v0; +}; + union nvif_outp_dp_mst_vcpi_args { struct nvif_outp_dp_mst_vcpi_v0 { __u8 version; diff --git a/drivers/gpu/drm/nouveau/include/nvif/outp.h b/drivers/gpu/drm/nouveau/include/nvif/outp.h index b4f97fabecbd..881cbed5f0ee 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/outp.h +++ b/drivers/gpu/drm/nouveau/include/nvif/outp.h @@ -68,6 +68,7 @@ int nvif_outp_dp_train(struct nvif_outp *, u8 dpcd[DP_RECEIVER_CAP_SIZE], u8 lttprs, u8 link_nr, u32 link_bw, bool mst, bool post_lt_adj, bool retrain); int nvif_outp_dp_drive(struct nvif_outp *, u8 link_nr, u8 pe[4], u8 vs[4]); +int nvif_outp_dp_sst(struct nvif_outp *, int head, u32 watermark, u32 hblanksym, u32 vblanksym); int nvif_outp_dp_mst_vcpi(struct nvif_outp *, int head, u8 start_slot, u8 num_slots, u16 pbn, u16 aligned_pbn); #endif |