From: Ben Skeggs <bskeggs@nvidia.com>
Date: Thu, 14 Nov 2024 03:02:37 +0000 (+1000)
Subject: drm/nouveau/gsp: add hal for disp.dp.set_indexed_link_rates()
X-Git-Tag: v6.16-rc1~144^2~6^2~35
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a3f3232903213530f9ae675de4a3be0970ea9eea;p=thirdparty%2Fkernel%2Flinux.git

drm/nouveau/gsp: add hal for disp.dp.set_indexed_link_rates()

545.23.06 has incompatible changes to
NV0073_CTRL_CMD_DP_CONFIG_INDEXED_LINK_RATES.

Signed-off-by: Ben Skeggs <bskeggs@nvidia.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Timur Tabi <ttabi@nvidia.com>
Tested-by: Timur Tabi <ttabi@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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 1e9bbfd402d37..9eff06e12fcae 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)
 {
@@ -1726,4 +1734,7 @@ 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 2386e419be625..9df95c5b99615 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
@@ -6,6 +6,7 @@
 #ifndef __NVKM_RM_H__
 #define __NVKM_RM_H__
 #include "handles.h"
+struct nvkm_outp;
 
 struct nvkm_rm_impl {
 	const struct nvkm_rm_wpr *wpr;
@@ -72,6 +73,10 @@ 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 {