From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/gpu/drm/nouveau/nouveau_encoder.h | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 50 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/gpu/drm/nouveau/nouveau_encoder.h b/kernel/drivers/gpu/drm/nouveau/nouveau_encoder.h
index 3517f92..21937f1 100644
--- a/kernel/drivers/gpu/drm/nouveau/nouveau_encoder.h
+++ b/kernel/drivers/gpu/drm/nouveau/nouveau_encoder.h
@@ -33,6 +33,7 @@
#include <drm/drm_dp_mst_helper.h>
#include "dispnv04/disp.h"
struct nv50_head_atom;
+struct nouveau_connector;
#define NV_DPMS_CLEARED 0x80
@@ -52,6 +53,7 @@
* actually programmed on the hw, not the proposed crtc */
struct drm_crtc *crtc;
u32 ctrl;
+ bool audio;
struct drm_display_mode mode;
int last_dpms;
@@ -63,13 +65,43 @@
struct nv50_mstm *mstm;
int link_nr;
int link_bw;
+
+ /* Protects DP state that needs to be accessed outside
+ * connector reprobing contexts
+ */
+ struct mutex hpd_irq_lock;
+
+ u8 dpcd[DP_RECEIVER_CAP_SIZE];
+ u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
+ struct drm_dp_desc desc;
+
+ u8 sink_count;
} dp;
};
+
+ struct {
+ bool dp_interlace : 1;
+ } caps;
void (*enc_save)(struct drm_encoder *encoder);
void (*enc_restore)(struct drm_encoder *encoder);
void (*update)(struct nouveau_encoder *, u8 head,
struct nv50_head_atom *, u8 proto, u8 depth);
+};
+
+struct nv50_mstm {
+ struct nouveau_encoder *outp;
+
+ struct drm_dp_mst_topology_mgr mgr;
+
+ /* Protected under nouveau_encoder->dp.hpd_irq_lock */
+ bool can_mst;
+ bool is_mst;
+ bool suspended;
+
+ bool modified;
+ bool disabled;
+ int links;
};
struct nouveau_encoder *
@@ -95,16 +127,29 @@
/* nouveau_dp.c */
enum nouveau_dp_status {
+ NOUVEAU_DP_NONE,
NOUVEAU_DP_SST,
NOUVEAU_DP_MST,
};
-int nouveau_dp_detect(struct nouveau_encoder *);
+int nouveau_dp_detect(struct nouveau_connector *, struct nouveau_encoder *);
+void nouveau_dp_irq(struct nouveau_drm *drm,
+ struct nouveau_connector *nv_connector);
+enum drm_mode_status nv50_dp_mode_valid(struct drm_connector *,
+ struct nouveau_encoder *,
+ const struct drm_display_mode *,
+ unsigned *clock);
struct nouveau_connector *
-nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
+nv50_outp_get_new_connector(struct nouveau_encoder *outp,
+ struct drm_atomic_state *state);
+struct nouveau_connector *
+nv50_outp_get_old_connector(struct nouveau_encoder *outp,
+ struct drm_atomic_state *state);
-int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
-void nv50_mstm_remove(struct nv50_mstm *);
-void nv50_mstm_service(struct nv50_mstm *);
+int nv50_mstm_detect(struct nouveau_encoder *encoder);
+void nv50_mstm_remove(struct nv50_mstm *mstm);
+bool nv50_mstm_service(struct nouveau_drm *drm,
+ struct nouveau_connector *nv_connector,
+ struct nv50_mstm *mstm);
#endif /* __NOUVEAU_ENCODER_H__ */
--
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