From: Anthony Koo <Anthony.Koo@amd.com>
Date: Wed, 28 Feb 2018 11:37:51 -0500
Subject: drm/amd/display: Add variable refresh rate parameters to DC structures
Git-commit: 64ed6a2eba3cb4146d2ff731293939ae84fad740
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Time stamping will be part of surface, and will be updated when address is flipped.
FreeSync parameters will be attached to stream, as it adjusts the timing dynamically.
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/dc.h | 2 ++
drivers/gpu/drm/amd/display/dc/dc_hw_types.h | 12 +++++++++++-
drivers/gpu/drm/amd/display/dc/dc_stream.h | 2 ++
drivers/gpu/drm/amd/display/dc/dc_types.h | 18 ++++++++++++++++++
4 files changed, 33 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -447,6 +447,7 @@ union surface_update_flags {
struct dc_plane_state {
struct dc_plane_address address;
+ struct dc_plane_flip_time time;
struct scaling_taps scaling_quality;
struct rect src_rect;
struct rect dst_rect;
@@ -557,6 +558,7 @@ struct dc_transfer_func *dc_create_trans
*/
struct dc_flip_addrs {
struct dc_plane_address address;
+ unsigned int flip_timestamp_in_us;
bool flip_immediate;
/* TODO: add flip duration for FreeSync */
};
--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
@@ -692,8 +692,18 @@ struct crtc_trigger_info {
enum trigger_delay delay;
};
-struct dc_crtc_timing {
+enum vrr_state {
+ VRR_STATE_OFF = 0,
+ VRR_STATE_VARIABLE,
+ VRR_STATE_FIXED,
+};
+struct dc_crtc_timing_adjust {
+ uint32_t v_total_min;
+ uint32_t v_total_max;
+};
+
+struct dc_crtc_timing {
uint32_t h_total;
uint32_t h_border_left;
uint32_t h_addressable;
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -48,6 +48,8 @@ struct dc_stream_status {
struct dc_stream_state {
struct dc_sink *sink;
struct dc_crtc_timing timing;
+ struct dc_crtc_timing_adjust timing_adjust;
+ struct vrr_params vrr_params;
struct rect src; /* composition area */
struct rect dst; /* stream addressable area */
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -521,6 +521,24 @@ struct audio_info {
struct audio_mode modes[DC_MAX_AUDIO_DESC_COUNT];
};
+struct vrr_params {
+ enum vrr_state state;
+ uint32_t window_min;
+ uint32_t window_max;
+ uint32_t inserted_frame_duration_in_us;
+ uint32_t frames_to_insert;
+ uint32_t frame_counter;
+};
+
+#define DC_PLANE_UPDATE_TIMES_MAX 10
+
+struct dc_plane_flip_time {
+ unsigned int time_elapsed_in_us[DC_PLANE_UPDATE_TIMES_MAX];
+ unsigned int index;
+ unsigned int prev_update_time_in_us;
+};
+
+// Will combine with vrr_params at some point.
struct freesync_context {
bool supported;
bool enabled;