[PATCH 27/60] drm/nouveau/gsp: add hal for disp.dp.set_indexed_link_rates()

[Ben Skeggs]

545.23.06 has incompatible changes to
NV0073_CTRL_CMD_DP_CONFIG_INDEXED_LINK_RATES.

Signed-off-by: Ben Skeggs <bskeggs at nvidia.com>
---
 .../nouveau/nvkm/subdev/gsp/rm/r535/disp.c    | 21 ++++++++++++++-----
 .../gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h   |  5 +++++
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/disp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/disp.c
index ad79e31e6aac..313aa46356c5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/disp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/disp.c
@@ -1021,15 +1021,11 @@ r535_dp_train(struct nvkm_outp *outp, bool retrain)
 }
 
 static int
-r535_dp_rates(struct nvkm_outp *outp)
+r535_dp_set_indexed_link_rates(struct nvkm_outp *outp)
 {
 	NV0073_CTRL_CMD_DP_CONFIG_INDEXED_LINK_RATES_PARAMS *ctrl;
 	struct nvkm_disp *disp = outp->disp;
 
-	if (outp->conn->info.type != DCB_CONNECTOR_eDP ||
-	    !outp->dp.rates || outp->dp.rate[0].dpcd < 0)
-		return 0;
-
 	if (WARN_ON(outp->dp.rates > ARRAY_SIZE(ctrl->linkRateTbl)))
 		return -EINVAL;
 
@@ -1045,6 +1041,18 @@ r535_dp_rates(struct nvkm_outp *outp)
 	return nvkm_gsp_rm_ctrl_wr(&disp->rm.objcom, ctrl);
 }
 
+static int
+r535_dp_rates(struct nvkm_outp *outp)
+{
+	struct nvkm_rm *rm = outp->disp->rm.objcom.client->gsp->rm;
+
+	if (outp->conn->info.type != DCB_CONNECTOR_eDP ||
+	    !outp->dp.rates || outp->dp.rate[0].dpcd < 0)
+		return 0;
+
+	return rm->api->disp->dp.set_indexed_link_rates(outp);
+}
+
 static int
 r535_dp_aux_xfer(struct nvkm_outp *outp, u8 type, u32 addr, u8 *data, u8 *psize)
 {
@@ -1721,4 +1729,7 @@ r535_disp_new(const struct nvkm_disp_func *hw, struct nvkm_device *device,
 const struct nvkm_rm_api_disp
 r535_disp = {
 	.bl_ctrl = r535_bl_ctrl,
+	.dp = {
+		.set_indexed_link_rates = r535_dp_set_indexed_link_rates,
+	}
 };
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
index d7233cd34114..1182f48ddb53 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
@@ -5,6 +5,7 @@
 #include <subdev/gsp.h>
 #ifndef __NVKM_RM_H__
 #define __NVKM_RM_H__
+struct nvkm_outp;
 
 struct nvkm_rm_impl {
 	const struct nvkm_rm_wpr *wpr;
@@ -71,6 +72,10 @@ struct nvkm_rm_api {
 
 	const struct nvkm_rm_api_disp {
 		int (*bl_ctrl)(struct nvkm_disp *, unsigned display_id, bool set, int *val);
+
+		struct {
+			int (*set_indexed_link_rates)(struct nvkm_outp *);
+		} dp;
 	} *disp;
 
 	const struct nvkm_rm_api_engine {
-- 
2.49.0