drm/amd/dc: Add dc display driver (v2)

Supported DCE versions: 8.0, 10.0, 11.0, 11.2

v2: rebase against 4.11

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 82 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 109a3833c3a8..3a3adfa16ada 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -38,11 +38,15 @@
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_plane_helper.h>
+#include <drm/drm_fb_helper.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 #include <linux/hrtimer.h>
 #include "amdgpu_irq.h"
 
+#include <drm/drm_dp_mst_helper.h>
+#include "modules/inc/mod_freesync.h"
+
 struct amdgpu_bo;
 struct amdgpu_device;
 struct amdgpu_encoder;
@@ -292,6 +296,27 @@ struct amdgpu_display_funcs {
                               uint16_t connector_object_id,
                               struct amdgpu_hpd *hpd,
                               struct amdgpu_router *router);
+        /* it is used to enter or exit into free sync mode */
+        int (*notify_freesync)(struct drm_device *dev, void *data,
+                               struct drm_file *filp);
+        /* it is used to allow enablement of freesync mode */
+        int (*set_freesync_property)(struct drm_connector *connector,
+                                     struct drm_property *property,
+                                     uint64_t val);
+
+
+};
+
+struct amdgpu_framebuffer {
+        struct drm_framebuffer base;
+        struct drm_gem_object *obj;
+};
+
+struct amdgpu_fbdev {
+        struct drm_fb_helper helper;
+        struct amdgpu_framebuffer rfb;
+        struct list_head fbdev_list;
+        struct amdgpu_device *adev;
 };
 
 struct amdgpu_mode_info {
@@ -400,6 +425,11 @@ struct amdgpu_crtc {
         /* for virtual dce */
         struct hrtimer vblank_timer;
         enum amdgpu_interrupt_state vsync_timer_enabled;
+
+        int otg_inst;
+        uint32_t flip_flags;
+        /* After Set Mode target will be non-NULL */
+        struct dc_target *target;
 };
 
 struct amdgpu_encoder_atom_dig {
@@ -489,6 +519,19 @@ enum amdgpu_connector_dither {
         AMDGPU_FMT_DITHER_ENABLE = 1,
 };
 
+struct amdgpu_dm_dp_aux {
+        struct drm_dp_aux aux;
+        uint32_t link_index;
+};
+
+struct amdgpu_i2c_adapter {
+        struct i2c_adapter base;
+        struct amdgpu_display_manager *dm;
+        uint32_t link_index;
+};
+
+#define TO_DM_AUX(x) container_of((x), struct amdgpu_dm_dp_aux, aux)
+
 struct amdgpu_connector {
         struct drm_connector base;
         uint32_t connector_id;
@@ -500,6 +543,14 @@ struct amdgpu_connector {
         /* we need to mind the EDID between detect
            and get modes due to analog/digital/tvencoder */
         struct edid *edid;
+        /* number of modes generated from EDID at 'dc_sink' */
+        int num_modes;
+        /* The 'old' sink - before an HPD.
+         * The 'current' sink is in dc_link->sink. */
+        const struct dc_sink *dc_sink;
+        const struct dc_link *dc_link;
+        const struct dc_sink *dc_em_sink;
+        const struct dc_target *target;
         void *con_priv;
         bool dac_load_detect;
         bool detected_by_load; /* if the connection status was determined by load */
@@ -510,11 +561,39 @@ struct amdgpu_connector {
         enum amdgpu_connector_audio audio;
         enum amdgpu_connector_dither dither;
         unsigned pixelclock_for_modeset;
+
+        struct drm_dp_mst_topology_mgr mst_mgr;
+        struct amdgpu_dm_dp_aux dm_dp_aux;
+        struct drm_dp_mst_port *port;
+        struct amdgpu_connector *mst_port;
+        struct amdgpu_encoder *mst_encoder;
+        struct semaphore mst_sem;
+
+        /* TODO see if we can merge with ddc_bus or make a dm_connector */
+        struct amdgpu_i2c_adapter *i2c;
+
+        /* Monitor range limits */
+        int min_vfreq ;
+        int max_vfreq ;
+        int pixel_clock_mhz;
+
+        /*freesync caps*/
+        struct mod_freesync_caps caps;
+
+        struct mutex hpd_lock;
+
 };
 
-struct amdgpu_framebuffer {
-        struct drm_framebuffer base;
-        struct drm_gem_object *obj;
+/* TODO: start to use this struct and remove same field from base one */
+struct amdgpu_mst_connector {
+        struct amdgpu_connector base;
+
+        struct drm_dp_mst_topology_mgr mst_mgr;
+        struct amdgpu_dm_dp_aux dm_dp_aux;
+        struct drm_dp_mst_port *port;
+        struct amdgpu_connector *mst_port;
+        bool is_mst_connector;
+        struct amdgpu_encoder *mst_encoder;
 };
 
 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \