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authorDave Airlie <airlied@redhat.com>2015-02-24 02:24:04 +0300
committerAlex Deucher <alexander.deucher@amd.com>2015-03-19 19:26:51 +0300
commit9843ead08f18270948498f37eb95d6189eed31af (patch)
tree1453a3153aa11b3e94a1c34e7b5ac7aa1af44c41 /drivers/gpu/drm/radeon/radeon_mode.h
parent8f0fc088f5fff0c2e4683bc0de7fc849e7d5357a (diff)
downloadlinux-9843ead08f18270948498f37eb95d6189eed31af.tar.xz
drm/radeon: add DisplayPort MST support (v2)
This adds initial DP 1.2 MST support to radeon, on CAYMAN and up in theory. This is off by default. v2: agd5f: - add UNIPHY3 offsets - move atom cmd table code into atombios_encoders.c - whitespace cleanup - replace some magic numbers with proper defines Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_mode.h')
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index c612289d7c60..fa91a17b81b6 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -33,6 +33,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_dp_helper.h>
+#include <drm/drm_dp_mst_helper.h>
#include <drm/drm_fixed.h>
#include <drm/drm_crtc_helper.h>
#include <linux/i2c.h>
@@ -439,12 +440,24 @@ struct radeon_encoder_atom_dig {
uint8_t backlight_level;
int panel_mode;
struct radeon_afmt *afmt;
+ int active_mst_links;
};
struct radeon_encoder_atom_dac {
enum radeon_tv_std tv_std;
};
+struct radeon_encoder_mst {
+ int crtc;
+ struct radeon_encoder *primary;
+ struct radeon_connector *connector;
+ struct drm_dp_mst_port *port;
+ int pbn;
+ int fe;
+ bool fe_from_be;
+ bool enc_active;
+};
+
struct radeon_encoder {
struct drm_encoder base;
uint32_t encoder_enum;
@@ -464,6 +477,10 @@ struct radeon_encoder {
u16 caps;
struct radeon_audio_funcs *audio;
enum radeon_output_csc output_csc;
+ bool can_mst;
+ uint32_t offset;
+ bool is_mst_encoder;
+ /* front end for this mst encoder */
};
struct radeon_connector_atom_dig {
@@ -474,6 +491,7 @@ struct radeon_connector_atom_dig {
int dp_clock;
int dp_lane_count;
bool edp_on;
+ bool is_mst;
};
struct radeon_gpio_rec {
@@ -517,6 +535,11 @@ enum radeon_connector_dither {
RADEON_FMT_DITHER_ENABLE = 1,
};
+struct stream_attribs {
+ uint16_t fe;
+ uint16_t slots;
+};
+
struct radeon_connector {
struct drm_connector base;
uint32_t connector_id;
@@ -538,6 +561,14 @@ struct radeon_connector {
enum radeon_connector_audio audio;
enum radeon_connector_dither dither;
int pixelclock_for_modeset;
+ bool is_mst_connector;
+ struct radeon_connector *mst_port;
+ struct drm_dp_mst_port *port;
+ struct drm_dp_mst_topology_mgr mst_mgr;
+
+ struct radeon_encoder *mst_encoder;
+ struct stream_attribs cur_stream_attribs[6];
+ int enabled_attribs;
};
struct radeon_framebuffer {
@@ -740,6 +771,8 @@ extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
extern void atombios_dig_transmitter_setup2(struct drm_encoder *encoder,
int action, uint8_t lane_num,
uint8_t lane_set, int fe);
+extern void atombios_set_mst_encoder_crtc_source(struct drm_encoder *encoder,
+ int fe);
extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
void radeon_atom_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
@@ -960,6 +993,15 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
+/* mst */
+int radeon_dp_mst_init(struct radeon_connector *radeon_connector);
+int radeon_dp_mst_probe(struct radeon_connector *radeon_connector);
+int radeon_dp_mst_check_status(struct radeon_connector *radeon_connector);
+int radeon_mst_debugfs_init(struct radeon_device *rdev);
+void radeon_dp_mst_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode);
+
+void radeon_setup_mst_connector(struct drm_device *dev);
+
int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder, int fe_idx);
void radeon_atom_release_dig_encoder(struct radeon_device *rdev, int enc_idx);
#endif