From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 2370 +++++++++++++++++++++++++---------------------------------
1 files changed, 1,027 insertions(+), 1,343 deletions(-)
diff --git a/kernel/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/kernel/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index fa344ce..627d578 100644
--- a/kernel/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/kernel/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -23,6 +23,8 @@
*
*/
+#include <linux/slab.h>
+
#include "dm_services.h"
#include "dc.h"
#include "mod_freesync.h"
@@ -30,113 +32,24 @@
#define MOD_FREESYNC_MAX_CONCURRENT_STREAMS 32
+#define MIN_REFRESH_RANGE 10
/* Refresh rate ramp at a fixed rate of 65 Hz/second */
#define STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME ((1000 / 60) * 65)
/* Number of elements in the render times cache array */
#define RENDER_TIMES_MAX_COUNT 10
-/* Threshold to exit BTR (to avoid frequent enter-exits at the lower limit) */
-#define BTR_EXIT_MARGIN 2000
+/* Threshold to exit/exit BTR (to avoid frequent enter-exits at the lower limit) */
+#define BTR_MAX_MARGIN 2500
+/* Threshold to change BTR multiplier (to avoid frequent changes) */
+#define BTR_DRIFT_MARGIN 2000
+/*Threshold to exit fixed refresh rate*/
+#define FIXED_REFRESH_EXIT_MARGIN_IN_HZ 4
/* Number of consecutive frames to check before entering/exiting fixed refresh*/
#define FIXED_REFRESH_ENTER_FRAME_COUNT 5
#define FIXED_REFRESH_EXIT_FRAME_COUNT 5
-#define FREESYNC_REGISTRY_NAME "freesync_v1"
-
-#define FREESYNC_NO_STATIC_FOR_EXTERNAL_DP_REGKEY "DalFreeSyncNoStaticForExternalDp"
-
-#define FREESYNC_NO_STATIC_FOR_INTERNAL_REGKEY "DalFreeSyncNoStaticForInternal"
-
-#define FREESYNC_DEFAULT_REGKEY "LCDFreeSyncDefault"
-
-struct gradual_static_ramp {
- bool ramp_is_active;
- bool ramp_direction_is_up;
- unsigned int ramp_current_frame_duration_in_ns;
-};
-
-struct freesync_time {
- /* video (48Hz feature) related */
- unsigned int update_duration_in_ns;
-
- /* BTR/fixed refresh related */
- unsigned int prev_time_stamp_in_us;
-
- unsigned int min_render_time_in_us;
- unsigned int max_render_time_in_us;
-
- unsigned int render_times_index;
- unsigned int render_times[RENDER_TIMES_MAX_COUNT];
-
- unsigned int min_window;
- unsigned int max_window;
-};
-
-struct below_the_range {
- bool btr_active;
- bool program_btr;
-
- unsigned int mid_point_in_us;
-
- unsigned int inserted_frame_duration_in_us;
- unsigned int frames_to_insert;
- unsigned int frame_counter;
-};
-
-struct fixed_refresh {
- bool fixed_active;
- bool program_fixed;
- unsigned int frame_counter;
-};
-
-struct freesync_range {
- unsigned int min_refresh;
- unsigned int max_frame_duration;
- unsigned int vmax;
-
- unsigned int max_refresh;
- unsigned int min_frame_duration;
- unsigned int vmin;
-};
-
-struct freesync_state {
- bool fullscreen;
- bool static_screen;
- bool video;
-
- unsigned int vmin;
- unsigned int vmax;
-
- struct freesync_time time;
-
- unsigned int nominal_refresh_rate_in_micro_hz;
- bool windowed_fullscreen;
-
- struct gradual_static_ramp static_ramp;
- struct below_the_range btr;
- struct fixed_refresh fixed_refresh;
- struct freesync_range freesync_range;
-};
-
-struct freesync_entity {
- struct dc_stream_state *stream;
- struct mod_freesync_caps *caps;
- struct freesync_state state;
- struct mod_freesync_user_enable user_enable;
-};
-
-struct freesync_registry_options {
- bool drr_external_supported;
- bool drr_internal_supported;
- bool lcd_freesync_default_set;
- int lcd_freesync_default_value;
-};
-
struct core_freesync {
struct mod_freesync public;
struct dc *dc;
- struct freesync_registry_options opts;
- struct freesync_entity *map;
- int num_entities;
};
#define MOD_FREESYNC_TO_CORE(mod_freesync)\
@@ -147,69 +60,16 @@
struct core_freesync *core_freesync =
kzalloc(sizeof(struct core_freesync), GFP_KERNEL);
-
- struct persistent_data_flag flag;
-
- int i, data = 0;
-
if (core_freesync == NULL)
goto fail_alloc_context;
-
- core_freesync->map = kcalloc(MOD_FREESYNC_MAX_CONCURRENT_STREAMS,
- sizeof(struct freesync_entity),
- GFP_KERNEL);
-
- if (core_freesync->map == NULL)
- goto fail_alloc_map;
-
- for (i = 0; i < MOD_FREESYNC_MAX_CONCURRENT_STREAMS; i++)
- core_freesync->map[i].stream = NULL;
-
- core_freesync->num_entities = 0;
if (dc == NULL)
goto fail_construct;
core_freesync->dc = dc;
-
- /* Create initial module folder in registry for freesync enable data */
- flag.save_per_edid = true;
- flag.save_per_link = false;
- dm_write_persistent_data(dc->ctx, NULL, FREESYNC_REGISTRY_NAME,
- NULL, NULL, 0, &flag);
- flag.save_per_edid = false;
- flag.save_per_link = false;
-
- if (dm_read_persistent_data(dc->ctx, NULL, NULL,
- FREESYNC_NO_STATIC_FOR_INTERNAL_REGKEY,
- &data, sizeof(data), &flag)) {
- core_freesync->opts.drr_internal_supported =
- (data & 1) ? false : true;
- }
-
- if (dm_read_persistent_data(dc->ctx, NULL, NULL,
- FREESYNC_NO_STATIC_FOR_EXTERNAL_DP_REGKEY,
- &data, sizeof(data), &flag)) {
- core_freesync->opts.drr_external_supported =
- (data & 1) ? false : true;
- }
-
- if (dm_read_persistent_data(dc->ctx, NULL, NULL,
- FREESYNC_DEFAULT_REGKEY,
- &data, sizeof(data), &flag)) {
- core_freesync->opts.lcd_freesync_default_set = true;
- core_freesync->opts.lcd_freesync_default_value = data;
- } else {
- core_freesync->opts.lcd_freesync_default_set = false;
- core_freesync->opts.lcd_freesync_default_value = 0;
- }
-
return &core_freesync->public;
fail_construct:
- kfree(core_freesync->map);
-
-fail_alloc_map:
kfree(core_freesync);
fail_alloc_context:
@@ -218,968 +78,414 @@
void mod_freesync_destroy(struct mod_freesync *mod_freesync)
{
- if (mod_freesync != NULL) {
- int i;
- struct core_freesync *core_freesync =
- MOD_FREESYNC_TO_CORE(mod_freesync);
-
- for (i = 0; i < core_freesync->num_entities; i++)
- if (core_freesync->map[i].stream)
- dc_stream_release(core_freesync->map[i].stream);
-
- kfree(core_freesync->map);
-
- kfree(core_freesync);
- }
-}
-
-/* Given a specific dc_stream* this function finds its equivalent
- * on the core_freesync->map and returns the corresponding index
- */
-static unsigned int map_index_from_stream(struct core_freesync *core_freesync,
- struct dc_stream_state *stream)
-{
- unsigned int index = 0;
-
- for (index = 0; index < core_freesync->num_entities; index++) {
- if (core_freesync->map[index].stream == stream) {
- return index;
- }
- }
- /* Could not find stream requested */
- ASSERT(false);
- return index;
-}
-
-bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
- struct dc_stream_state *stream, struct mod_freesync_caps *caps)
-{
- struct dc *dc = NULL;
struct core_freesync *core_freesync = NULL;
- int persistent_freesync_enable = 0;
- struct persistent_data_flag flag;
- unsigned int nom_refresh_rate_uhz;
- unsigned long long temp;
-
if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- dc = core_freesync->dc;
-
- flag.save_per_edid = true;
- flag.save_per_link = false;
-
- if (core_freesync->num_entities < MOD_FREESYNC_MAX_CONCURRENT_STREAMS) {
-
- dc_stream_retain(stream);
-
- temp = stream->timing.pix_clk_khz;
- temp *= 1000ULL * 1000ULL * 1000ULL;
- temp = div_u64(temp, stream->timing.h_total);
- temp = div_u64(temp, stream->timing.v_total);
-
- nom_refresh_rate_uhz = (unsigned int) temp;
-
- core_freesync->map[core_freesync->num_entities].stream = stream;
- core_freesync->map[core_freesync->num_entities].caps = caps;
-
- core_freesync->map[core_freesync->num_entities].state.
- fullscreen = false;
- core_freesync->map[core_freesync->num_entities].state.
- static_screen = false;
- core_freesync->map[core_freesync->num_entities].state.
- video = false;
- core_freesync->map[core_freesync->num_entities].state.time.
- update_duration_in_ns = 0;
- core_freesync->map[core_freesync->num_entities].state.
- static_ramp.ramp_is_active = false;
-
- /* get persistent data from registry */
- if (dm_read_persistent_data(dc->ctx, stream->sink,
- FREESYNC_REGISTRY_NAME,
- "userenable", &persistent_freesync_enable,
- sizeof(int), &flag)) {
- core_freesync->map[core_freesync->num_entities].user_enable.
- enable_for_gaming =
- (persistent_freesync_enable & 1) ? true : false;
- core_freesync->map[core_freesync->num_entities].user_enable.
- enable_for_static =
- (persistent_freesync_enable & 2) ? true : false;
- core_freesync->map[core_freesync->num_entities].user_enable.
- enable_for_video =
- (persistent_freesync_enable & 4) ? true : false;
- /* If FreeSync display and LCDFreeSyncDefault is set, use as default values write back to userenable */
- } else if (caps->supported && (core_freesync->opts.lcd_freesync_default_set)) {
- core_freesync->map[core_freesync->num_entities].user_enable.enable_for_gaming =
- (core_freesync->opts.lcd_freesync_default_value & 1) ? true : false;
- core_freesync->map[core_freesync->num_entities].user_enable.enable_for_static =
- (core_freesync->opts.lcd_freesync_default_value & 2) ? true : false;
- core_freesync->map[core_freesync->num_entities].user_enable.enable_for_video =
- (core_freesync->opts.lcd_freesync_default_value & 4) ? true : false;
- dm_write_persistent_data(dc->ctx, stream->sink,
- FREESYNC_REGISTRY_NAME,
- "userenable", &core_freesync->opts.lcd_freesync_default_value,
- sizeof(int), &flag);
- } else {
- core_freesync->map[core_freesync->num_entities].user_enable.
- enable_for_gaming = false;
- core_freesync->map[core_freesync->num_entities].user_enable.
- enable_for_static = false;
- core_freesync->map[core_freesync->num_entities].user_enable.
- enable_for_video = false;
- }
-
- if (caps->supported &&
- nom_refresh_rate_uhz >= caps->min_refresh_in_micro_hz &&
- nom_refresh_rate_uhz <= caps->max_refresh_in_micro_hz)
- stream->ignore_msa_timing_param = 1;
-
- core_freesync->num_entities++;
- return true;
- }
- return false;
-}
-
-bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
- struct dc_stream_state *stream)
-{
- int i = 0;
- struct core_freesync *core_freesync = NULL;
- unsigned int index = 0;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, stream);
-
- dc_stream_release(core_freesync->map[index].stream);
- core_freesync->map[index].stream = NULL;
- /* To remove this entity, shift everything after down */
- for (i = index; i < core_freesync->num_entities - 1; i++)
- core_freesync->map[i] = core_freesync->map[i + 1];
- core_freesync->num_entities--;
- return true;
-}
-
-static void adjust_vmin_vmax(struct core_freesync *core_freesync,
- struct dc_stream_state **streams,
- int num_streams,
- int map_index,
- unsigned int v_total_min,
- unsigned int v_total_max)
-{
- if (num_streams == 0 || streams == NULL || num_streams > 1)
return;
-
- core_freesync->map[map_index].state.vmin = v_total_min;
- core_freesync->map[map_index].state.vmax = v_total_max;
-
- dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
- num_streams, v_total_min,
- v_total_max);
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+ kfree(core_freesync);
}
-
-static void update_stream_freesync_context(struct core_freesync *core_freesync,
- struct dc_stream_state *stream)
+#if 0 /* unused currently */
+static unsigned int calc_refresh_in_uhz_from_duration(
+ unsigned int duration_in_ns)
{
- unsigned int index;
- struct freesync_context *ctx;
+ unsigned int refresh_in_uhz =
+ ((unsigned int)(div64_u64((1000000000ULL * 1000000),
+ duration_in_ns)));
+ return refresh_in_uhz;
+}
+#endif
- ctx = &stream->freesync_ctx;
-
- index = map_index_from_stream(core_freesync, stream);
-
- ctx->supported = core_freesync->map[index].caps->supported;
- ctx->enabled = (core_freesync->map[index].user_enable.enable_for_gaming ||
- core_freesync->map[index].user_enable.enable_for_video ||
- core_freesync->map[index].user_enable.enable_for_static);
- ctx->active = (core_freesync->map[index].state.fullscreen ||
- core_freesync->map[index].state.video ||
- core_freesync->map[index].state.static_ramp.ramp_is_active);
- ctx->min_refresh_in_micro_hz =
- core_freesync->map[index].caps->min_refresh_in_micro_hz;
- ctx->nominal_refresh_in_micro_hz = core_freesync->
- map[index].state.nominal_refresh_rate_in_micro_hz;
-
+static unsigned int calc_duration_in_us_from_refresh_in_uhz(
+ unsigned int refresh_in_uhz)
+{
+ unsigned int duration_in_us =
+ ((unsigned int)(div64_u64((1000000000ULL * 1000),
+ refresh_in_uhz)));
+ return duration_in_us;
}
-static void update_stream(struct core_freesync *core_freesync,
- struct dc_stream_state *stream)
+static unsigned int calc_duration_in_us_from_v_total(
+ const struct dc_stream_state *stream,
+ const struct mod_vrr_params *in_vrr,
+ unsigned int v_total)
{
- unsigned int index = map_index_from_stream(core_freesync, stream);
- if (core_freesync->map[index].caps->supported) {
- stream->ignore_msa_timing_param = 1;
- update_stream_freesync_context(core_freesync, stream);
- }
+ unsigned int duration_in_us =
+ (unsigned int)(div64_u64(((unsigned long long)(v_total)
+ * 10000) * stream->timing.h_total,
+ stream->timing.pix_clk_100hz));
+
+ return duration_in_us;
}
-static void calc_freesync_range(struct core_freesync *core_freesync,
- struct dc_stream_state *stream,
- struct freesync_state *state,
- unsigned int min_refresh_in_uhz,
- unsigned int max_refresh_in_uhz)
+static unsigned int calc_v_total_from_refresh(
+ const struct dc_stream_state *stream,
+ unsigned int refresh_in_uhz)
{
- unsigned int min_frame_duration_in_ns = 0, max_frame_duration_in_ns = 0;
- unsigned int index = map_index_from_stream(core_freesync, stream);
- uint32_t vtotal = stream->timing.v_total;
+ unsigned int v_total;
+ unsigned int frame_duration_in_ns;
- if ((min_refresh_in_uhz == 0) || (max_refresh_in_uhz == 0)) {
- state->freesync_range.min_refresh =
- state->nominal_refresh_rate_in_micro_hz;
- state->freesync_range.max_refresh =
- state->nominal_refresh_rate_in_micro_hz;
+ frame_duration_in_ns =
+ ((unsigned int)(div64_u64((1000000000ULL * 1000000),
+ refresh_in_uhz)));
- state->freesync_range.max_frame_duration = 0;
- state->freesync_range.min_frame_duration = 0;
+ v_total = div64_u64(div64_u64(((unsigned long long)(
+ frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)),
+ stream->timing.h_total), 1000000);
- state->freesync_range.vmax = vtotal;
- state->freesync_range.vmin = vtotal;
-
- return;
+ /* v_total cannot be less than nominal */
+ if (v_total < stream->timing.v_total) {
+ ASSERT(v_total < stream->timing.v_total);
+ v_total = stream->timing.v_total;
}
- min_frame_duration_in_ns = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- max_refresh_in_uhz)));
- max_frame_duration_in_ns = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- min_refresh_in_uhz)));
-
- state->freesync_range.min_refresh = min_refresh_in_uhz;
- state->freesync_range.max_refresh = max_refresh_in_uhz;
-
- state->freesync_range.max_frame_duration = max_frame_duration_in_ns;
- state->freesync_range.min_frame_duration = min_frame_duration_in_ns;
-
- state->freesync_range.vmax = div64_u64(div64_u64(((unsigned long long)(
- max_frame_duration_in_ns) * stream->timing.pix_clk_khz),
- stream->timing.h_total), 1000000);
- state->freesync_range.vmin = div64_u64(div64_u64(((unsigned long long)(
- min_frame_duration_in_ns) * stream->timing.pix_clk_khz),
- stream->timing.h_total), 1000000);
-
- /* vmin/vmax cannot be less than vtotal */
- if (state->freesync_range.vmin < vtotal) {
- /* Error of 1 is permissible */
- ASSERT((state->freesync_range.vmin + 1) >= vtotal);
- state->freesync_range.vmin = vtotal;
- }
-
- if (state->freesync_range.vmax < vtotal) {
- /* Error of 1 is permissible */
- ASSERT((state->freesync_range.vmax + 1) >= vtotal);
- state->freesync_range.vmax = vtotal;
- }
-
- /* Determine whether BTR can be supported */
- if (max_frame_duration_in_ns >=
- 2 * min_frame_duration_in_ns)
- core_freesync->map[index].caps->btr_supported = true;
- else
- core_freesync->map[index].caps->btr_supported = false;
-
- /* Cache the time variables */
- state->time.max_render_time_in_us =
- max_frame_duration_in_ns / 1000;
- state->time.min_render_time_in_us =
- min_frame_duration_in_ns / 1000;
- state->btr.mid_point_in_us =
- (max_frame_duration_in_ns +
- min_frame_duration_in_ns) / 2000;
+ return v_total;
}
-static void calc_v_total_from_duration(struct dc_stream_state *stream,
- unsigned int duration_in_ns, int *v_total_nominal)
+static unsigned int calc_v_total_from_duration(
+ const struct dc_stream_state *stream,
+ const struct mod_vrr_params *vrr,
+ unsigned int duration_in_us)
{
- *v_total_nominal = div64_u64(div64_u64(((unsigned long long)(
- duration_in_ns) * stream->timing.pix_clk_khz),
- stream->timing.h_total), 1000000);
+ unsigned int v_total = 0;
+
+ if (duration_in_us < vrr->min_duration_in_us)
+ duration_in_us = vrr->min_duration_in_us;
+
+ if (duration_in_us > vrr->max_duration_in_us)
+ duration_in_us = vrr->max_duration_in_us;
+
+ v_total = div64_u64(div64_u64(((unsigned long long)(
+ duration_in_us) * (stream->timing.pix_clk_100hz / 10)),
+ stream->timing.h_total), 1000);
+
+ /* v_total cannot be less than nominal */
+ if (v_total < stream->timing.v_total) {
+ ASSERT(v_total < stream->timing.v_total);
+ v_total = stream->timing.v_total;
+ }
+
+ return v_total;
}
-static void calc_v_total_for_static_ramp(struct core_freesync *core_freesync,
- struct dc_stream_state *stream,
- unsigned int index, int *v_total)
+static void update_v_total_for_static_ramp(
+ struct core_freesync *core_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_vrr_params *in_out_vrr)
{
- unsigned int frame_duration = 0;
-
- struct gradual_static_ramp *static_ramp_variables =
- &core_freesync->map[index].state.static_ramp;
+ unsigned int v_total = 0;
+ unsigned int current_duration_in_us =
+ calc_duration_in_us_from_v_total(
+ stream, in_out_vrr,
+ in_out_vrr->adjust.v_total_max);
+ unsigned int target_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ in_out_vrr->fixed.target_refresh_in_uhz);
+ bool ramp_direction_is_up = (current_duration_in_us >
+ target_duration_in_us) ? true : false;
/* Calc ratio between new and current frame duration with 3 digit */
unsigned int frame_duration_ratio = div64_u64(1000000,
(1000 + div64_u64(((unsigned long long)(
STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME) *
- static_ramp_variables->ramp_current_frame_duration_in_ns),
- 1000000000)));
+ current_duration_in_us),
+ 1000000)));
- /* Calculate delta between new and current frame duration in ns */
+ /* Calculate delta between new and current frame duration in us */
unsigned int frame_duration_delta = div64_u64(((unsigned long long)(
- static_ramp_variables->ramp_current_frame_duration_in_ns) *
+ current_duration_in_us) *
(1000 - frame_duration_ratio)), 1000);
/* Adjust frame duration delta based on ratio between current and
* standard frame duration (frame duration at 60 Hz refresh rate).
*/
unsigned int ramp_rate_interpolated = div64_u64(((unsigned long long)(
- frame_duration_delta) * static_ramp_variables->
- ramp_current_frame_duration_in_ns), 16666666);
+ frame_duration_delta) * current_duration_in_us), 16666);
/* Going to a higher refresh rate (lower frame duration) */
- if (static_ramp_variables->ramp_direction_is_up) {
+ if (ramp_direction_is_up) {
/* reduce frame duration */
- static_ramp_variables->ramp_current_frame_duration_in_ns -=
- ramp_rate_interpolated;
-
- /* min frame duration */
- frame_duration = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- core_freesync->map[index].state.
- nominal_refresh_rate_in_micro_hz)));
+ current_duration_in_us -= ramp_rate_interpolated;
/* adjust for frame duration below min */
- if (static_ramp_variables->ramp_current_frame_duration_in_ns <=
- frame_duration) {
-
- static_ramp_variables->ramp_is_active = false;
- static_ramp_variables->
- ramp_current_frame_duration_in_ns =
- frame_duration;
+ if (current_duration_in_us <= target_duration_in_us) {
+ in_out_vrr->fixed.ramping_active = false;
+ in_out_vrr->fixed.ramping_done = true;
+ current_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ in_out_vrr->fixed.target_refresh_in_uhz);
}
/* Going to a lower refresh rate (larger frame duration) */
} else {
/* increase frame duration */
- static_ramp_variables->ramp_current_frame_duration_in_ns +=
- ramp_rate_interpolated;
-
- /* max frame duration */
- frame_duration = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- core_freesync->map[index].caps->min_refresh_in_micro_hz)));
+ current_duration_in_us += ramp_rate_interpolated;
/* adjust for frame duration above max */
- if (static_ramp_variables->ramp_current_frame_duration_in_ns >=
- frame_duration) {
-
- static_ramp_variables->ramp_is_active = false;
- static_ramp_variables->
- ramp_current_frame_duration_in_ns =
- frame_duration;
+ if (current_duration_in_us >= target_duration_in_us) {
+ in_out_vrr->fixed.ramping_active = false;
+ in_out_vrr->fixed.ramping_done = true;
+ current_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ in_out_vrr->fixed.target_refresh_in_uhz);
}
}
- calc_v_total_from_duration(stream, static_ramp_variables->
- ramp_current_frame_duration_in_ns, v_total);
+ v_total = div64_u64(div64_u64(((unsigned long long)(
+ current_duration_in_us) * (stream->timing.pix_clk_100hz / 10)),
+ stream->timing.h_total), 1000);
+
+ /* v_total cannot be less than nominal */
+ if (v_total < stream->timing.v_total)
+ v_total = stream->timing.v_total;
+
+ in_out_vrr->adjust.v_total_min = v_total;
+ in_out_vrr->adjust.v_total_max = v_total;
}
-static void reset_freesync_state_variables(struct freesync_state* state)
+static void apply_below_the_range(struct core_freesync *core_freesync,
+ const struct dc_stream_state *stream,
+ unsigned int last_render_time_in_us,
+ struct mod_vrr_params *in_out_vrr)
{
- state->static_ramp.ramp_is_active = false;
- if (state->nominal_refresh_rate_in_micro_hz)
- state->static_ramp.ramp_current_frame_duration_in_ns =
- ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- state->nominal_refresh_rate_in_micro_hz)));
+ unsigned int inserted_frame_duration_in_us = 0;
+ unsigned int mid_point_frames_ceil = 0;
+ unsigned int mid_point_frames_floor = 0;
+ unsigned int frame_time_in_us = 0;
+ unsigned int delta_from_mid_point_in_us_1 = 0xFFFFFFFF;
+ unsigned int delta_from_mid_point_in_us_2 = 0xFFFFFFFF;
+ unsigned int frames_to_insert = 0;
+ unsigned int delta_from_mid_point_delta_in_us;
+ unsigned int max_render_time_in_us =
+ in_out_vrr->max_duration_in_us - in_out_vrr->btr.margin_in_us;
- state->btr.btr_active = false;
- state->btr.frame_counter = 0;
- state->btr.frames_to_insert = 0;
- state->btr.inserted_frame_duration_in_us = 0;
- state->btr.program_btr = false;
+ /* Program BTR */
+ if ((last_render_time_in_us + in_out_vrr->btr.margin_in_us / 2) < max_render_time_in_us) {
+ /* Exit Below the Range */
+ if (in_out_vrr->btr.btr_active) {
+ in_out_vrr->btr.frame_counter = 0;
+ in_out_vrr->btr.btr_active = false;
+ }
+ } else if (last_render_time_in_us > (max_render_time_in_us + in_out_vrr->btr.margin_in_us / 2)) {
+ /* Enter Below the Range */
+ if (!in_out_vrr->btr.btr_active) {
+ in_out_vrr->btr.btr_active = true;
+ }
+ }
- state->fixed_refresh.fixed_active = false;
- state->fixed_refresh.program_fixed = false;
-}
-/*
- * Sets freesync mode on a stream depending on current freesync state.
- */
-static bool set_freesync_on_streams(struct core_freesync *core_freesync,
- struct dc_stream_state **streams, int num_streams)
-{
- int v_total_nominal = 0, v_total_min = 0, v_total_max = 0;
- unsigned int stream_idx, map_index = 0;
- struct freesync_state *state;
+ /* BTR set to "not active" so disengage */
+ if (!in_out_vrr->btr.btr_active) {
+ in_out_vrr->btr.inserted_duration_in_us = 0;
+ in_out_vrr->btr.frames_to_insert = 0;
+ in_out_vrr->btr.frame_counter = 0;
- if (num_streams == 0 || streams == NULL || num_streams > 1)
- return false;
+ /* Restore FreeSync */
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
+ /* BTR set to "active" so engage */
+ } else {
- for (stream_idx = 0; stream_idx < num_streams; stream_idx++) {
+ /* Calculate number of midPoint frames that could fit within
+ * the render time interval- take ceil of this value
+ */
+ mid_point_frames_ceil = (last_render_time_in_us +
+ in_out_vrr->btr.mid_point_in_us - 1) /
+ in_out_vrr->btr.mid_point_in_us;
- map_index = map_index_from_stream(core_freesync,
- streams[stream_idx]);
-
- state = &core_freesync->map[map_index].state;
-
- if (core_freesync->map[map_index].caps->supported) {
-
- /* Fullscreen has the topmost priority. If the
- * fullscreen bit is set, we are in a fullscreen
- * application where it should not matter if it is
- * static screen. We should not check the static_screen
- * or video bit.
- *
- * Special cases of fullscreen include btr and fixed
- * refresh. We program btr on every flip and involves
- * programming full range right before the last inserted frame.
- * However, we do not want to program the full freesync range
- * when fixed refresh is active, because we only program
- * that logic once and this will override it.
- */
- if (core_freesync->map[map_index].user_enable.
- enable_for_gaming == true &&
- state->fullscreen == true &&
- state->fixed_refresh.fixed_active == false) {
- /* Enable freesync */
-
- v_total_min = state->freesync_range.vmin;
- v_total_max = state->freesync_range.vmax;
-
- /* Update the freesync context for the stream */
- update_stream_freesync_context(core_freesync,
- streams[stream_idx]);
-
- adjust_vmin_vmax(core_freesync, streams,
- num_streams, map_index,
- v_total_min,
- v_total_max);
-
- return true;
-
- } else if (core_freesync->map[map_index].user_enable.
- enable_for_video && state->video == true) {
- /* Enable 48Hz feature */
-
- calc_v_total_from_duration(streams[stream_idx],
- state->time.update_duration_in_ns,
- &v_total_nominal);
-
- /* Program only if v_total_nominal is in range*/
- if (v_total_nominal >=
- streams[stream_idx]->timing.v_total) {
-
- /* Update the freesync context for
- * the stream
- */
- update_stream_freesync_context(
- core_freesync,
- streams[stream_idx]);
-
- adjust_vmin_vmax(
- core_freesync, streams,
- num_streams, map_index,
- v_total_nominal,
- v_total_nominal);
- }
- return true;
-
- } else {
- /* Disable freesync */
- v_total_nominal = streams[stream_idx]->
- timing.v_total;
-
- /* Update the freesync context for
- * the stream
- */
- update_stream_freesync_context(
- core_freesync,
- streams[stream_idx]);
-
- adjust_vmin_vmax(core_freesync, streams,
- num_streams, map_index,
- v_total_nominal,
- v_total_nominal);
-
- /* Reset the cached variables */
- reset_freesync_state_variables(state);
-
- return true;
- }
- } else {
- /* Disable freesync */
- v_total_nominal = streams[stream_idx]->
- timing.v_total;
- /*
- * we have to reset drr always even sink does
- * not support freesync because a former stream has
- * be programmed
- */
- adjust_vmin_vmax(core_freesync, streams,
- num_streams, map_index,
- v_total_nominal,
- v_total_nominal);
- /* Reset the cached variables */
- reset_freesync_state_variables(state);
+ if (mid_point_frames_ceil > 0) {
+ frame_time_in_us = last_render_time_in_us /
+ mid_point_frames_ceil;
+ delta_from_mid_point_in_us_1 =
+ (in_out_vrr->btr.mid_point_in_us >
+ frame_time_in_us) ?
+ (in_out_vrr->btr.mid_point_in_us - frame_time_in_us) :
+ (frame_time_in_us - in_out_vrr->btr.mid_point_in_us);
}
+ /* Calculate number of midPoint frames that could fit within
+ * the render time interval- take floor of this value
+ */
+ mid_point_frames_floor = last_render_time_in_us /
+ in_out_vrr->btr.mid_point_in_us;
+
+ if (mid_point_frames_floor > 0) {
+
+ frame_time_in_us = last_render_time_in_us /
+ mid_point_frames_floor;
+ delta_from_mid_point_in_us_2 =
+ (in_out_vrr->btr.mid_point_in_us >
+ frame_time_in_us) ?
+ (in_out_vrr->btr.mid_point_in_us - frame_time_in_us) :
+ (frame_time_in_us - in_out_vrr->btr.mid_point_in_us);
+ }
+
+ /* Choose number of frames to insert based on how close it
+ * can get to the mid point of the variable range.
+ * - Delta for CEIL: delta_from_mid_point_in_us_1
+ * - Delta for FLOOR: delta_from_mid_point_in_us_2
+ */
+ if (mid_point_frames_ceil &&
+ (last_render_time_in_us / mid_point_frames_ceil) <
+ in_out_vrr->min_duration_in_us) {
+ /* Check for out of range.
+ * If using CEIL produces a value that is out of range,
+ * then we are forced to use FLOOR.
+ */
+ frames_to_insert = mid_point_frames_floor;
+ } else if (mid_point_frames_floor < 2) {
+ /* Check if FLOOR would result in non-LFC. In this case
+ * choose to use CEIL
+ */
+ frames_to_insert = mid_point_frames_ceil;
+ } else if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2) {
+ /* If choosing CEIL results in a frame duration that is
+ * closer to the mid point of the range.
+ * Choose CEIL
+ */
+ frames_to_insert = mid_point_frames_ceil;
+ } else {
+ /* If choosing FLOOR results in a frame duration that is
+ * closer to the mid point of the range.
+ * Choose FLOOR
+ */
+ frames_to_insert = mid_point_frames_floor;
+ }
+
+ /* Prefer current frame multiplier when BTR is enabled unless it drifts
+ * too far from the midpoint
+ */
+ if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2) {
+ delta_from_mid_point_delta_in_us = delta_from_mid_point_in_us_2 -
+ delta_from_mid_point_in_us_1;
+ } else {
+ delta_from_mid_point_delta_in_us = delta_from_mid_point_in_us_1 -
+ delta_from_mid_point_in_us_2;
+ }
+ if (in_out_vrr->btr.frames_to_insert != 0 &&
+ delta_from_mid_point_delta_in_us < BTR_DRIFT_MARGIN) {
+ if (((last_render_time_in_us / in_out_vrr->btr.frames_to_insert) <
+ max_render_time_in_us) &&
+ ((last_render_time_in_us / in_out_vrr->btr.frames_to_insert) >
+ in_out_vrr->min_duration_in_us))
+ frames_to_insert = in_out_vrr->btr.frames_to_insert;
+ }
+
+ /* Either we've calculated the number of frames to insert,
+ * or we need to insert min duration frames
+ */
+ if (frames_to_insert &&
+ (last_render_time_in_us / frames_to_insert) <
+ in_out_vrr->min_duration_in_us){
+ frames_to_insert -= (frames_to_insert > 1) ?
+ 1 : 0;
+ }
+
+ if (frames_to_insert > 0)
+ inserted_frame_duration_in_us = last_render_time_in_us /
+ frames_to_insert;
+
+ if (inserted_frame_duration_in_us < in_out_vrr->min_duration_in_us)
+ inserted_frame_duration_in_us = in_out_vrr->min_duration_in_us;
+
+ /* Cache the calculated variables */
+ in_out_vrr->btr.inserted_duration_in_us =
+ inserted_frame_duration_in_us;
+ in_out_vrr->btr.frames_to_insert = frames_to_insert;
+ in_out_vrr->btr.frame_counter = frames_to_insert;
+ }
+}
+
+static void apply_fixed_refresh(struct core_freesync *core_freesync,
+ const struct dc_stream_state *stream,
+ unsigned int last_render_time_in_us,
+ struct mod_vrr_params *in_out_vrr)
+{
+ bool update = false;
+ unsigned int max_render_time_in_us = in_out_vrr->max_duration_in_us;
+
+ /* Compute the exit refresh rate and exit frame duration */
+ unsigned int exit_refresh_rate_in_milli_hz = ((1000000000/max_render_time_in_us)
+ + (1000*FIXED_REFRESH_EXIT_MARGIN_IN_HZ));
+ unsigned int exit_frame_duration_in_us = 1000000000/exit_refresh_rate_in_milli_hz;
+
+ if (last_render_time_in_us < exit_frame_duration_in_us) {
+ /* Exit Fixed Refresh mode */
+ if (in_out_vrr->fixed.fixed_active) {
+ in_out_vrr->fixed.frame_counter++;
+
+ if (in_out_vrr->fixed.frame_counter >
+ FIXED_REFRESH_EXIT_FRAME_COUNT) {
+ in_out_vrr->fixed.frame_counter = 0;
+ in_out_vrr->fixed.fixed_active = false;
+ in_out_vrr->fixed.target_refresh_in_uhz = 0;
+ update = true;
+ }
+ }
+ } else if (last_render_time_in_us > max_render_time_in_us) {
+ /* Enter Fixed Refresh mode */
+ if (!in_out_vrr->fixed.fixed_active) {
+ in_out_vrr->fixed.frame_counter++;
+
+ if (in_out_vrr->fixed.frame_counter >
+ FIXED_REFRESH_ENTER_FRAME_COUNT) {
+ in_out_vrr->fixed.frame_counter = 0;
+ in_out_vrr->fixed.fixed_active = true;
+ in_out_vrr->fixed.target_refresh_in_uhz =
+ in_out_vrr->max_refresh_in_uhz;
+ update = true;
+ }
+ }
+ }
+
+ if (update) {
+ if (in_out_vrr->fixed.fixed_active) {
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_refresh(
+ stream, in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ in_out_vrr->adjust.v_total_min;
+ } else {
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
+ }
+ }
+}
+
+static bool vrr_settings_require_update(struct core_freesync *core_freesync,
+ struct mod_freesync_config *in_config,
+ unsigned int min_refresh_in_uhz,
+ unsigned int max_refresh_in_uhz,
+ struct mod_vrr_params *in_vrr)
+{
+ if (in_vrr->state != in_config->state) {
+ return true;
+ } else if (in_vrr->state == VRR_STATE_ACTIVE_FIXED &&
+ in_vrr->fixed.target_refresh_in_uhz !=
+ in_config->fixed_refresh_in_uhz) {
+ return true;
+ } else if (in_vrr->min_refresh_in_uhz != min_refresh_in_uhz) {
+ return true;
+ } else if (in_vrr->max_refresh_in_uhz != max_refresh_in_uhz) {
+ return true;
}
return false;
}
-static void set_static_ramp_variables(struct core_freesync *core_freesync,
- unsigned int index, bool enable_static_screen)
-{
- unsigned int frame_duration = 0;
- unsigned int nominal_refresh_rate = core_freesync->map[index].state.
- nominal_refresh_rate_in_micro_hz;
- unsigned int min_refresh_rate= core_freesync->map[index].caps->
- min_refresh_in_micro_hz;
- struct gradual_static_ramp *static_ramp_variables =
- &core_freesync->map[index].state.static_ramp;
-
- /* If we are ENABLING static screen, refresh rate should go DOWN.
- * If we are DISABLING static screen, refresh rate should go UP.
- */
- if (enable_static_screen)
- static_ramp_variables->ramp_direction_is_up = false;
- else
- static_ramp_variables->ramp_direction_is_up = true;
-
- /* If ramp is not active, set initial frame duration depending on
- * whether we are enabling/disabling static screen mode. If the ramp is
- * already active, ramp should continue in the opposite direction
- * starting with the current frame duration
- */
- if (!static_ramp_variables->ramp_is_active) {
- if (enable_static_screen == true) {
- /* Going to lower refresh rate, so start from max
- * refresh rate (min frame duration)
- */
- frame_duration = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- nominal_refresh_rate)));
- } else {
- /* Going to higher refresh rate, so start from min
- * refresh rate (max frame duration)
- */
- frame_duration = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- min_refresh_rate)));
- }
- static_ramp_variables->
- ramp_current_frame_duration_in_ns = frame_duration;
-
- static_ramp_variables->ramp_is_active = true;
- }
-}
-
-void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
- struct dc_stream_state **streams, int num_streams)
-{
- unsigned int index, v_total, inserted_frame_v_total = 0;
- unsigned int min_frame_duration_in_ns, vmax, vmin = 0;
- struct freesync_state *state;
- struct core_freesync *core_freesync = NULL;
- struct dc_static_screen_events triggers = {0};
-
- if (mod_freesync == NULL)
- return;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-
- if (core_freesync->num_entities == 0)
- return;
-
- index = map_index_from_stream(core_freesync,
- streams[0]);
-
- if (core_freesync->map[index].caps->supported == false)
- return;
-
- state = &core_freesync->map[index].state;
-
- /* Below the Range Logic */
-
- /* Only execute if in fullscreen mode */
- if (state->fullscreen == true &&
- core_freesync->map[index].user_enable.enable_for_gaming &&
- core_freesync->map[index].caps->btr_supported &&
- state->btr.btr_active) {
-
- /* TODO: pass in flag for Pre-DCE12 ASIC
- * in order for frame variable duration to take affect,
- * it needs to be done one VSYNC early, which is at
- * frameCounter == 1.
- * For DCE12 and newer updates to V_TOTAL_MIN/MAX
- * will take affect on current frame
- */
- if (state->btr.frames_to_insert == state->btr.frame_counter) {
-
- min_frame_duration_in_ns = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- state->nominal_refresh_rate_in_micro_hz)));
-
- vmin = state->freesync_range.vmin;
-
- inserted_frame_v_total = vmin;
-
- if (min_frame_duration_in_ns / 1000)
- inserted_frame_v_total =
- state->btr.inserted_frame_duration_in_us *
- vmin / (min_frame_duration_in_ns / 1000);
-
- /* Set length of inserted frames as v_total_max*/
- vmax = inserted_frame_v_total;
- vmin = inserted_frame_v_total;
-
- /* Program V_TOTAL */
- adjust_vmin_vmax(core_freesync, streams,
- num_streams, index,
- vmin, vmax);
- }
-
- if (state->btr.frame_counter > 0)
- state->btr.frame_counter--;
-
- /* Restore FreeSync */
- if (state->btr.frame_counter == 0)
- set_freesync_on_streams(core_freesync, streams, num_streams);
- }
-
- /* If in fullscreen freesync mode or in video, do not program
- * static screen ramp values
- */
- if (state->fullscreen == true || state->video == true) {
-
- state->static_ramp.ramp_is_active = false;
-
- return;
- }
-
- /* Gradual Static Screen Ramping Logic */
-
- /* Execute if ramp is active and user enabled freesync static screen*/
- if (state->static_ramp.ramp_is_active &&
- core_freesync->map[index].user_enable.enable_for_static) {
-
- calc_v_total_for_static_ramp(core_freesync, streams[0],
- index, &v_total);
-
- /* Update the freesync context for the stream */
- update_stream_freesync_context(core_freesync, streams[0]);
-
- /* Program static screen ramp values */
- adjust_vmin_vmax(core_freesync, streams,
- num_streams, index,
- v_total,
- v_total);
-
- triggers.overlay_update = true;
- triggers.surface_update = true;
-
- dc_stream_set_static_screen_events(core_freesync->dc, streams,
- num_streams, &triggers);
- }
-}
-
-void mod_freesync_update_state(struct mod_freesync *mod_freesync,
- struct dc_stream_state **streams, int num_streams,
- struct mod_freesync_params *freesync_params)
-{
- bool freesync_program_required = false;
- unsigned int stream_index;
- struct freesync_state *state;
- struct core_freesync *core_freesync = NULL;
- struct dc_static_screen_events triggers = {0};
-
- if (mod_freesync == NULL)
- return;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-
- if (core_freesync->num_entities == 0)
- return;
-
- for(stream_index = 0; stream_index < num_streams; stream_index++) {
-
- unsigned int map_index = map_index_from_stream(core_freesync,
- streams[stream_index]);
-
- bool is_embedded = dc_is_embedded_signal(
- streams[stream_index]->sink->sink_signal);
-
- struct freesync_registry_options *opts = &core_freesync->opts;
-
- state = &core_freesync->map[map_index].state;
-
- switch (freesync_params->state){
- case FREESYNC_STATE_FULLSCREEN:
- state->fullscreen = freesync_params->enable;
- freesync_program_required = true;
- state->windowed_fullscreen =
- freesync_params->windowed_fullscreen;
- break;
- case FREESYNC_STATE_STATIC_SCREEN:
- /* Static screen ramp is disabled by default, but can
- * be enabled through regkey.
- */
- if ((is_embedded && opts->drr_internal_supported) ||
- (!is_embedded && opts->drr_external_supported))
-
- if (state->static_screen !=
- freesync_params->enable) {
-
- /* Change the state flag */
- state->static_screen =
- freesync_params->enable;
-
- /* Update static screen ramp */
- set_static_ramp_variables(core_freesync,
- map_index,
- freesync_params->enable);
- }
- /* We program the ramp starting next VUpdate */
- break;
- case FREESYNC_STATE_VIDEO:
- /* Change core variables only if there is a change*/
- if(freesync_params->update_duration_in_ns !=
- state->time.update_duration_in_ns) {
-
- state->video = freesync_params->enable;
- state->time.update_duration_in_ns =
- freesync_params->update_duration_in_ns;
-
- freesync_program_required = true;
- }
- break;
- case FREESYNC_STATE_NONE:
- /* handle here to avoid warning */
- break;
- }
- }
-
- /* Update mask */
- triggers.overlay_update = true;
- triggers.surface_update = true;
-
- dc_stream_set_static_screen_events(core_freesync->dc, streams,
- num_streams, &triggers);
-
- if (freesync_program_required)
- /* Program freesync according to current state*/
- set_freesync_on_streams(core_freesync, streams, num_streams);
-}
-
-
-bool mod_freesync_get_state(struct mod_freesync *mod_freesync,
- struct dc_stream_state *stream,
- struct mod_freesync_params *freesync_params)
-{
- unsigned int index = 0;
- struct core_freesync *core_freesync = NULL;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, stream);
-
- if (core_freesync->map[index].state.fullscreen) {
- freesync_params->state = FREESYNC_STATE_FULLSCREEN;
- freesync_params->enable = true;
- } else if (core_freesync->map[index].state.static_screen) {
- freesync_params->state = FREESYNC_STATE_STATIC_SCREEN;
- freesync_params->enable = true;
- } else if (core_freesync->map[index].state.video) {
- freesync_params->state = FREESYNC_STATE_VIDEO;
- freesync_params->enable = true;
- } else {
- freesync_params->state = FREESYNC_STATE_NONE;
- freesync_params->enable = false;
- }
-
- freesync_params->update_duration_in_ns =
- core_freesync->map[index].state.time.update_duration_in_ns;
-
- freesync_params->windowed_fullscreen =
- core_freesync->map[index].state.windowed_fullscreen;
-
- return true;
-}
-
-bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
- struct dc_stream_state **streams, int num_streams,
- struct mod_freesync_user_enable *user_enable)
-{
- unsigned int stream_index, map_index;
- int persistent_data = 0;
- struct persistent_data_flag flag;
- struct dc *dc = NULL;
- struct core_freesync *core_freesync = NULL;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- dc = core_freesync->dc;
-
- flag.save_per_edid = true;
- flag.save_per_link = false;
-
- for(stream_index = 0; stream_index < num_streams;
- stream_index++){
-
- map_index = map_index_from_stream(core_freesync,
- streams[stream_index]);
-
- core_freesync->map[map_index].user_enable = *user_enable;
-
- /* Write persistent data in registry*/
- if (core_freesync->map[map_index].user_enable.
- enable_for_gaming)
- persistent_data = persistent_data | 1;
- if (core_freesync->map[map_index].user_enable.
- enable_for_static)
- persistent_data = persistent_data | 2;
- if (core_freesync->map[map_index].user_enable.
- enable_for_video)
- persistent_data = persistent_data | 4;
-
- dm_write_persistent_data(dc->ctx,
- streams[stream_index]->sink,
- FREESYNC_REGISTRY_NAME,
- "userenable",
- &persistent_data,
- sizeof(int),
- &flag);
- }
-
- set_freesync_on_streams(core_freesync, streams, num_streams);
-
- return true;
-}
-
-bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
- struct dc_stream_state *stream,
- struct mod_freesync_user_enable *user_enable)
-{
- unsigned int index = 0;
- struct core_freesync *core_freesync = NULL;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, stream);
-
- *user_enable = core_freesync->map[index].user_enable;
-
- return true;
-}
-
-bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync,
- struct dc_stream_state *stream,
- bool *is_ramp_active)
-{
- unsigned int index = 0;
- struct core_freesync *core_freesync = NULL;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, stream);
-
- *is_ramp_active =
- core_freesync->map[index].state.static_ramp.ramp_is_active;
-
- return true;
-}
-
-bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync,
- struct dc_stream_state *streams,
- unsigned int min_refresh,
- unsigned int max_refresh,
- struct mod_freesync_caps *caps)
-{
- unsigned int index = 0;
- struct core_freesync *core_freesync;
- struct freesync_state *state;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, streams);
- state = &core_freesync->map[index].state;
-
- if (max_refresh == 0)
- max_refresh = state->nominal_refresh_rate_in_micro_hz;
-
- if (min_refresh == 0) {
- /* Restore defaults */
- calc_freesync_range(core_freesync, streams, state,
- core_freesync->map[index].caps->
- min_refresh_in_micro_hz,
- state->nominal_refresh_rate_in_micro_hz);
- } else {
- calc_freesync_range(core_freesync, streams,
- state,
- min_refresh,
- max_refresh);
-
- /* Program vtotal min/max */
- adjust_vmin_vmax(core_freesync, &streams, 1, index,
- state->freesync_range.vmin,
- state->freesync_range.vmax);
- }
-
- if (min_refresh != 0 &&
- dc_is_embedded_signal(streams->sink->sink_signal) &&
- (max_refresh - min_refresh >= 10000000)) {
- caps->supported = true;
- caps->min_refresh_in_micro_hz = min_refresh;
- caps->max_refresh_in_micro_hz = max_refresh;
- }
-
- /* Update the stream */
- update_stream(core_freesync, streams);
-
- return true;
-}
-
-bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync,
- struct dc_stream_state *stream,
- unsigned int *min_refresh,
- unsigned int *max_refresh)
-{
- unsigned int index = 0;
- struct core_freesync *core_freesync = NULL;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, stream);
-
- *min_refresh =
- core_freesync->map[index].state.freesync_range.min_refresh;
- *max_refresh =
- core_freesync->map[index].state.freesync_range.max_refresh;
-
- return true;
-}
-
bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
- struct dc_stream_state *stream,
+ const struct dc_stream_state *stream,
unsigned int *vmin,
unsigned int *vmax)
{
- unsigned int index = 0;
- struct core_freesync *core_freesync = NULL;
-
- if (mod_freesync == NULL)
- return false;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, stream);
-
- *vmin =
- core_freesync->map[index].state.freesync_range.vmin;
- *vmax =
- core_freesync->map[index].state.freesync_range.vmax;
+ *vmin = stream->adjust.v_total_min;
+ *vmax = stream->adjust.v_total_max;
return true;
}
@@ -1189,7 +495,6 @@
unsigned int *nom_v_pos,
unsigned int *v_pos)
{
- unsigned int index = 0;
struct core_freesync *core_freesync = NULL;
struct crtc_position position;
@@ -1197,7 +502,6 @@
return false;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- index = map_index_from_stream(core_freesync, stream);
if (dc_stream_get_crtc_position(core_freesync->dc, &stream, 1,
&position.vertical_count,
@@ -1212,310 +516,629 @@
return false;
}
-void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
- struct dc_stream_state **streams, int num_streams)
+static void build_vrr_infopacket_data_v1(const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket)
{
- unsigned int stream_index, map_index;
- struct freesync_state *state;
+ /* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
+ infopacket->sb[1] = 0x1A;
+
+ /* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
+ infopacket->sb[2] = 0x00;
+
+ /* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
+ infopacket->sb[3] = 0x00;
+
+ /* PB4 = Reserved */
+
+ /* PB5 = Reserved */
+
+ /* PB6 = [Bits 7:3 = Reserved] */
+
+ /* PB6 = [Bit 0 = FreeSync Supported] */
+ if (vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x01;
+
+ /* PB6 = [Bit 1 = FreeSync Enabled] */
+ if (vrr->state != VRR_STATE_DISABLED &&
+ vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x02;
+
+ /* PB6 = [Bit 2 = FreeSync Active] */
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED)
+ infopacket->sb[6] |= 0x04;
+
+ // For v1 & 2 infoframes program nominal if non-fs mode, otherwise full range
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ } else {
+ infopacket->sb[7] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ }
+
+ /* PB8 = FreeSync Maximum refresh rate (Hz)
+ * Note: We should never go above the field rate of the mode timing set.
+ */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+
+ //FreeSync HDR
+ infopacket->sb[9] = 0;
+ infopacket->sb[10] = 0;
+}
+
+static void build_vrr_infopacket_data_v3(const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket)
+{
+ /* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
+ infopacket->sb[1] = 0x1A;
+
+ /* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
+ infopacket->sb[2] = 0x00;
+
+ /* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
+ infopacket->sb[3] = 0x00;
+
+ /* PB4 = Reserved */
+
+ /* PB5 = Reserved */
+
+ /* PB6 = [Bits 7:3 = Reserved] */
+
+ /* PB6 = [Bit 0 = FreeSync Supported] */
+ if (vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x01;
+
+ /* PB6 = [Bit 1 = FreeSync Enabled] */
+ if (vrr->state != VRR_STATE_DISABLED &&
+ vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x02;
+
+ /* PB6 = [Bit 2 = FreeSync Active] */
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED)
+ infopacket->sb[6] |= 0x04;
+
+ if (vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->fixed_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->fixed_refresh_in_uhz + 500000) / 1000000);
+ } else if (vrr->state == VRR_STATE_ACTIVE_VARIABLE) {
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ } else {
+ // Non-fs case, program nominal range
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ }
+
+ //FreeSync HDR
+ infopacket->sb[9] = 0;
+ infopacket->sb[10] = 0;
+}
+
+static void build_vrr_infopacket_fs2_data(enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ if (app_tf != TRANSFER_FUNC_UNKNOWN) {
+ infopacket->valid = true;
+
+ infopacket->sb[6] |= 0x08; // PB6 = [Bit 3 = Native Color Active]
+
+ if (app_tf == TRANSFER_FUNC_GAMMA_22) {
+ infopacket->sb[9] |= 0x04; // PB6 = [Bit 2 = Gamma 2.2 EOTF Active]
+ }
+ }
+}
+
+static void build_vrr_infopacket_header_v1(enum signal_type signal,
+ struct dc_info_packet *infopacket,
+ unsigned int *payload_size)
+{
+ if (dc_is_hdmi_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb0 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB1 = Version = 0x01 */
+ infopacket->hb1 = 0x01;
+
+ /* HB2 = [Bits 7:5 = 0] [Bits 4:0 = Length = 0x08] */
+ infopacket->hb2 = 0x08;
+
+ *payload_size = 0x08;
+
+ } else if (dc_is_dp_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Secondary-data Packet ID = 0 - Only non-zero
+ * when used to associate audio related info packets
+ */
+ infopacket->hb0 = 0x00;
+
+ /* HB1 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb1 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB2 = [Bits 7:0 = Least significant eight bits -
+ * For INFOFRAME, the value must be 1Bh]
+ */
+ infopacket->hb2 = 0x1B;
+
+ /* HB3 = [Bits 7:2 = INFOFRAME SDP Version Number = 0x1]
+ * [Bits 1:0 = Most significant two bits = 0x00]
+ */
+ infopacket->hb3 = 0x04;
+
+ *payload_size = 0x1B;
+ }
+}
+
+static void build_vrr_infopacket_header_v2(enum signal_type signal,
+ struct dc_info_packet *infopacket,
+ unsigned int *payload_size)
+{
+ if (dc_is_hdmi_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb0 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB1 = Version = 0x02 */
+ infopacket->hb1 = 0x02;
+
+ /* HB2 = [Bits 7:5 = 0] [Bits 4:0 = Length = 0x09] */
+ infopacket->hb2 = 0x09;
+
+ *payload_size = 0x0A;
+
+ } else if (dc_is_dp_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Secondary-data Packet ID = 0 - Only non-zero
+ * when used to associate audio related info packets
+ */
+ infopacket->hb0 = 0x00;
+
+ /* HB1 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb1 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB2 = [Bits 7:0 = Least significant eight bits -
+ * For INFOFRAME, the value must be 1Bh]
+ */
+ infopacket->hb2 = 0x1B;
+
+ /* HB3 = [Bits 7:2 = INFOFRAME SDP Version Number = 0x2]
+ * [Bits 1:0 = Most significant two bits = 0x00]
+ */
+ infopacket->hb3 = 0x08;
+
+ *payload_size = 0x1B;
+ }
+}
+
+static void build_vrr_infopacket_checksum(unsigned int *payload_size,
+ struct dc_info_packet *infopacket)
+{
+ /* Calculate checksum */
+ unsigned int idx = 0;
+ unsigned char checksum = 0;
+
+ checksum += infopacket->hb0;
+ checksum += infopacket->hb1;
+ checksum += infopacket->hb2;
+ checksum += infopacket->hb3;
+
+ for (idx = 1; idx <= *payload_size; idx++)
+ checksum += infopacket->sb[idx];
+
+ /* PB0 = Checksum (one byte complement) */
+ infopacket->sb[0] = (unsigned char)(0x100 - checksum);
+
+ infopacket->valid = true;
+}
+
+static void build_vrr_infopacket_v1(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket)
+{
+ /* SPD info packet for FreeSync */
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v1(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v1(vrr, infopacket);
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+
+static void build_vrr_infopacket_v2(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v2(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v1(vrr, infopacket);
+
+ build_vrr_infopacket_fs2_data(app_tf, infopacket);
+
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+#ifndef TRIM_FSFT
+static void build_vrr_infopacket_fast_transport_data(
+ bool ftActive,
+ unsigned int ftOutputRate,
+ struct dc_info_packet *infopacket)
+{
+ /* PB9 : bit7 - fast transport Active*/
+ unsigned char activeBit = (ftActive) ? 1 << 7 : 0;
+
+ infopacket->sb[1] &= ~activeBit; //clear bit
+ infopacket->sb[1] |= activeBit; //set bit
+
+ /* PB13 : Target Output Pixel Rate [kHz] - bits 7:0 */
+ infopacket->sb[13] = ftOutputRate & 0xFF;
+
+ /* PB14 : Target Output Pixel Rate [kHz] - bits 15:8 */
+ infopacket->sb[14] = (ftOutputRate >> 8) & 0xFF;
+
+ /* PB15 : Target Output Pixel Rate [kHz] - bits 23:16 */
+ infopacket->sb[15] = (ftOutputRate >> 16) & 0xFF;
+
+}
+#endif
+
+static void build_vrr_infopacket_v3(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+#ifndef TRIM_FSFT
+ bool ftActive, unsigned int ftOutputRate,
+#endif
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v2(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v3(vrr, infopacket);
+
+ build_vrr_infopacket_fs2_data(app_tf, infopacket);
+
+#ifndef TRIM_FSFT
+ build_vrr_infopacket_fast_transport_data(
+ ftActive,
+ ftOutputRate,
+ infopacket);
+#endif
+
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+
+void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ const struct mod_vrr_params *vrr,
+ enum vrr_packet_type packet_type,
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ /* SPD info packet for FreeSync
+ * VTEM info packet for HdmiVRR
+ * Check if Freesync is supported. Return if false. If true,
+ * set the corresponding bit in the info packet
+ */
+ if (!vrr->send_info_frame)
+ return;
+
+ switch (packet_type) {
+ case PACKET_TYPE_FS_V3:
+#ifndef TRIM_FSFT
+ // always populate with pixel rate.
+ build_vrr_infopacket_v3(
+ stream->signal, vrr,
+ stream->timing.flags.FAST_TRANSPORT,
+ (stream->timing.flags.FAST_TRANSPORT) ?
+ stream->timing.fast_transport_output_rate_100hz :
+ stream->timing.pix_clk_100hz,
+ app_tf, infopacket);
+#else
+ build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket);
+#endif
+ break;
+ case PACKET_TYPE_FS_V2:
+ build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket);
+ break;
+ case PACKET_TYPE_VRR:
+ case PACKET_TYPE_FS_V1:
+ default:
+ build_vrr_infopacket_v1(stream->signal, vrr, infopacket);
+ }
+}
+
+void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_freesync_config *in_config,
+ struct mod_vrr_params *in_out_vrr)
+{
struct core_freesync *core_freesync = NULL;
- struct dc_static_screen_events triggers = {0};
- unsigned long long temp = 0;
+ unsigned long long nominal_field_rate_in_uhz = 0;
+ unsigned long long rounded_nominal_in_uhz = 0;
+ unsigned int refresh_range = 0;
+ unsigned long long min_refresh_in_uhz = 0;
+ unsigned long long max_refresh_in_uhz = 0;
if (mod_freesync == NULL)
return;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
- for (stream_index = 0; stream_index < num_streams; stream_index++) {
- map_index = map_index_from_stream(core_freesync,
- streams[stream_index]);
+ /* Calculate nominal field rate for stream */
+ nominal_field_rate_in_uhz =
+ mod_freesync_calc_nominal_field_rate(stream);
- state = &core_freesync->map[map_index].state;
+ min_refresh_in_uhz = in_config->min_refresh_in_uhz;
+ max_refresh_in_uhz = in_config->max_refresh_in_uhz;
- /* Update the field rate for new timing */
- temp = streams[stream_index]->timing.pix_clk_khz;
- temp *= 1000ULL * 1000ULL * 1000ULL;
- temp = div_u64(temp,
- streams[stream_index]->timing.h_total);
- temp = div_u64(temp,
- streams[stream_index]->timing.v_total);
- state->nominal_refresh_rate_in_micro_hz =
- (unsigned int) temp;
+ // Full range may be larger than current video timing, so cap at nominal
+ if (max_refresh_in_uhz > nominal_field_rate_in_uhz)
+ max_refresh_in_uhz = nominal_field_rate_in_uhz;
- if (core_freesync->map[map_index].caps->supported) {
+ // Full range may be larger than current video timing, so cap at nominal
+ if (min_refresh_in_uhz > max_refresh_in_uhz)
+ min_refresh_in_uhz = max_refresh_in_uhz;
- /* Update the stream */
- update_stream(core_freesync, streams[stream_index]);
+ // If a monitor reports exactly max refresh of 2x of min, enforce it on nominal
+ rounded_nominal_in_uhz =
+ div_u64(nominal_field_rate_in_uhz + 50000, 100000) * 100000;
+ if (in_config->max_refresh_in_uhz == (2 * in_config->min_refresh_in_uhz) &&
+ in_config->max_refresh_in_uhz == rounded_nominal_in_uhz)
+ min_refresh_in_uhz = div_u64(nominal_field_rate_in_uhz, 2);
- /* Calculate vmin/vmax and refresh rate for
- * current mode
- */
- calc_freesync_range(core_freesync, *streams, state,
- core_freesync->map[map_index].caps->
- min_refresh_in_micro_hz,
- state->nominal_refresh_rate_in_micro_hz);
-
- /* Update mask */
- triggers.overlay_update = true;
- triggers.surface_update = true;
-
- dc_stream_set_static_screen_events(core_freesync->dc,
- streams, num_streams,
- &triggers);
- }
- }
-
- /* Program freesync according to current state*/
- set_freesync_on_streams(core_freesync, streams, num_streams);
-}
-
-/* Add the timestamps to the cache and determine whether BTR programming
- * is required, depending on the times calculated
- */
-static void update_timestamps(struct core_freesync *core_freesync,
- const struct dc_stream_state *stream, unsigned int map_index,
- unsigned int last_render_time_in_us)
-{
- struct freesync_state *state = &core_freesync->map[map_index].state;
-
- state->time.render_times[state->time.render_times_index] =
- last_render_time_in_us;
- state->time.render_times_index++;
-
- if (state->time.render_times_index >= RENDER_TIMES_MAX_COUNT)
- state->time.render_times_index = 0;
-
- if (last_render_time_in_us + BTR_EXIT_MARGIN <
- state->time.max_render_time_in_us) {
-
- /* Exit Below the Range */
- if (state->btr.btr_active) {
-
- state->btr.program_btr = true;
- state->btr.btr_active = false;
- state->btr.frame_counter = 0;
-
- /* Exit Fixed Refresh mode */
- } else if (state->fixed_refresh.fixed_active) {
-
- state->fixed_refresh.frame_counter++;
-
- if (state->fixed_refresh.frame_counter >
- FIXED_REFRESH_EXIT_FRAME_COUNT) {
- state->fixed_refresh.frame_counter = 0;
- state->fixed_refresh.program_fixed = true;
- state->fixed_refresh.fixed_active = false;
- }
- }
-
- } else if (last_render_time_in_us > state->time.max_render_time_in_us) {
-
- /* Enter Below the Range */
- if (!state->btr.btr_active &&
- core_freesync->map[map_index].caps->btr_supported) {
-
- state->btr.program_btr = true;
- state->btr.btr_active = true;
-
- /* Enter Fixed Refresh mode */
- } else if (!state->fixed_refresh.fixed_active &&
- !core_freesync->map[map_index].caps->btr_supported) {
-
- state->fixed_refresh.frame_counter++;
-
- if (state->fixed_refresh.frame_counter >
- FIXED_REFRESH_ENTER_FRAME_COUNT) {
- state->fixed_refresh.frame_counter = 0;
- state->fixed_refresh.program_fixed = true;
- state->fixed_refresh.fixed_active = true;
- }
- }
- }
-
- /* When Below the Range is active, must react on every frame */
- if (state->btr.btr_active)
- state->btr.program_btr = true;
-}
-
-static void apply_below_the_range(struct core_freesync *core_freesync,
- struct dc_stream_state *stream, unsigned int map_index,
- unsigned int last_render_time_in_us)
-{
- unsigned int inserted_frame_duration_in_us = 0;
- unsigned int mid_point_frames_ceil = 0;
- unsigned int mid_point_frames_floor = 0;
- unsigned int frame_time_in_us = 0;
- unsigned int delta_from_mid_point_in_us_1 = 0xFFFFFFFF;
- unsigned int delta_from_mid_point_in_us_2 = 0xFFFFFFFF;
- unsigned int frames_to_insert = 0;
- unsigned int min_frame_duration_in_ns = 0;
- struct freesync_state *state = &core_freesync->map[map_index].state;
-
- if (!state->btr.program_btr)
+ if (!vrr_settings_require_update(core_freesync,
+ in_config, (unsigned int)min_refresh_in_uhz, (unsigned int)max_refresh_in_uhz,
+ in_out_vrr))
return;
- state->btr.program_btr = false;
+ in_out_vrr->state = in_config->state;
+ in_out_vrr->send_info_frame = in_config->vsif_supported;
- min_frame_duration_in_ns = ((unsigned int) (div64_u64(
- (1000000000ULL * 1000000),
- state->nominal_refresh_rate_in_micro_hz)));
+ if (in_config->state == VRR_STATE_UNSUPPORTED) {
+ in_out_vrr->state = VRR_STATE_UNSUPPORTED;
+ in_out_vrr->supported = false;
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
- /* Program BTR */
+ return;
- /* BTR set to "not active" so disengage */
- if (!state->btr.btr_active)
+ } else {
+ in_out_vrr->min_refresh_in_uhz = (unsigned int)min_refresh_in_uhz;
+ in_out_vrr->max_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ (unsigned int)min_refresh_in_uhz);
+
+ in_out_vrr->max_refresh_in_uhz = (unsigned int)max_refresh_in_uhz;
+ in_out_vrr->min_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ (unsigned int)max_refresh_in_uhz);
+
+ if (in_config->state == VRR_STATE_ACTIVE_FIXED)
+ in_out_vrr->fixed_refresh_in_uhz = in_config->fixed_refresh_in_uhz;
+ else
+ in_out_vrr->fixed_refresh_in_uhz = 0;
+
+ refresh_range = div_u64(in_out_vrr->max_refresh_in_uhz + 500000, 1000000) -
++ div_u64(in_out_vrr->min_refresh_in_uhz + 500000, 1000000);
+
+ in_out_vrr->supported = true;
+ }
+
+ in_out_vrr->fixed.ramping_active = in_config->ramping;
+
+ in_out_vrr->btr.btr_enabled = in_config->btr;
+
+ if (in_out_vrr->max_refresh_in_uhz < (2 * in_out_vrr->min_refresh_in_uhz))
+ in_out_vrr->btr.btr_enabled = false;
+ else {
+ in_out_vrr->btr.margin_in_us = in_out_vrr->max_duration_in_us -
+ 2 * in_out_vrr->min_duration_in_us;
+ if (in_out_vrr->btr.margin_in_us > BTR_MAX_MARGIN)
+ in_out_vrr->btr.margin_in_us = BTR_MAX_MARGIN;
+ }
+
+ in_out_vrr->btr.btr_active = false;
+ in_out_vrr->btr.inserted_duration_in_us = 0;
+ in_out_vrr->btr.frames_to_insert = 0;
+ in_out_vrr->btr.frame_counter = 0;
+ in_out_vrr->fixed.fixed_active = false;
+ in_out_vrr->fixed.target_refresh_in_uhz = 0;
+
+ in_out_vrr->btr.mid_point_in_us =
+ (in_out_vrr->min_duration_in_us +
+ in_out_vrr->max_duration_in_us) / 2;
+
+ if (in_out_vrr->state == VRR_STATE_UNSUPPORTED) {
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ } else if (in_out_vrr->state == VRR_STATE_DISABLED) {
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ } else if (in_out_vrr->state == VRR_STATE_INACTIVE) {
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ } else if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE &&
+ refresh_range >= MIN_REFRESH_RANGE) {
+
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
+ } else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ in_out_vrr->fixed.target_refresh_in_uhz =
+ in_out_vrr->fixed_refresh_in_uhz;
+ if (in_out_vrr->fixed.ramping_active &&
+ in_out_vrr->fixed.fixed_active) {
+ /* Do not update vtotals if ramping is already active
+ * in order to continue ramp from current refresh.
+ */
+ in_out_vrr->fixed.fixed_active = true;
+ } else {
+ in_out_vrr->fixed.fixed_active = true;
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->fixed.target_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ in_out_vrr->adjust.v_total_min;
+ }
+ } else {
+ in_out_vrr->state = VRR_STATE_INACTIVE;
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ }
+}
+
+void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
+ const struct dc_plane_state *plane,
+ const struct dc_stream_state *stream,
+ unsigned int curr_time_stamp_in_us,
+ struct mod_vrr_params *in_out_vrr)
+{
+ struct core_freesync *core_freesync = NULL;
+ unsigned int last_render_time_in_us = 0;
+ unsigned int average_render_time_in_us = 0;
+
+ if (mod_freesync == NULL)
+ return;
+
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+
+ if (in_out_vrr->supported &&
+ in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE) {
+ unsigned int i = 0;
+ unsigned int oldest_index = plane->time.index + 1;
+
+ if (oldest_index >= DC_PLANE_UPDATE_TIMES_MAX)
+ oldest_index = 0;
+
+ last_render_time_in_us = curr_time_stamp_in_us -
+ plane->time.prev_update_time_in_us;
+
+ // Sum off all entries except oldest one
+ for (i = 0; i < DC_PLANE_UPDATE_TIMES_MAX; i++) {
+ average_render_time_in_us +=
+ plane->time.time_elapsed_in_us[i];
+ }
+ average_render_time_in_us -=
+ plane->time.time_elapsed_in_us[oldest_index];
+
+ // Add render time for current flip
+ average_render_time_in_us += last_render_time_in_us;
+ average_render_time_in_us /= DC_PLANE_UPDATE_TIMES_MAX;
+
+ if (in_out_vrr->btr.btr_enabled) {
+ apply_below_the_range(core_freesync,
+ stream,
+ last_render_time_in_us,
+ in_out_vrr);
+ } else {
+ apply_fixed_refresh(core_freesync,
+ stream,
+ last_render_time_in_us,
+ in_out_vrr);
+ }
+
+ }
+}
+
+void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_vrr_params *in_out_vrr)
+{
+ struct core_freesync *core_freesync = NULL;
+
+ if ((mod_freesync == NULL) || (stream == NULL) || (in_out_vrr == NULL))
+ return;
+
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+
+ if (in_out_vrr->supported == false)
+ return;
+
+ /* Below the Range Logic */
+
+ /* Only execute if in fullscreen mode */
+ if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE &&
+ in_out_vrr->btr.btr_active) {
+ /* TODO: pass in flag for Pre-DCE12 ASIC
+ * in order for frame variable duration to take affect,
+ * it needs to be done one VSYNC early, which is at
+ * frameCounter == 1.
+ * For DCE12 and newer updates to V_TOTAL_MIN/MAX
+ * will take affect on current frame
+ */
+ if (in_out_vrr->btr.frames_to_insert ==
+ in_out_vrr->btr.frame_counter) {
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_duration(stream,
+ in_out_vrr,
+ in_out_vrr->btr.inserted_duration_in_us);
+ in_out_vrr->adjust.v_total_max =
+ in_out_vrr->adjust.v_total_min;
+ }
+
+ if (in_out_vrr->btr.frame_counter > 0)
+ in_out_vrr->btr.frame_counter--;
/* Restore FreeSync */
- set_freesync_on_streams(core_freesync, &stream, 1);
-
- /* BTR set to "active" so engage */
- else {
-
- /* Calculate number of midPoint frames that could fit within
- * the render time interval- take ceil of this value
- */
- mid_point_frames_ceil = (last_render_time_in_us +
- state->btr.mid_point_in_us- 1) /
- state->btr.mid_point_in_us;
-
- if (mid_point_frames_ceil > 0) {
-
- frame_time_in_us = last_render_time_in_us /
- mid_point_frames_ceil;
- delta_from_mid_point_in_us_1 =
- (state->btr.mid_point_in_us >
- frame_time_in_us) ?
- (state->btr.mid_point_in_us - frame_time_in_us):
- (frame_time_in_us - state->btr.mid_point_in_us);
+ if (in_out_vrr->btr.frame_counter == 0) {
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
}
-
- /* Calculate number of midPoint frames that could fit within
- * the render time interval- take floor of this value
- */
- mid_point_frames_floor = last_render_time_in_us /
- state->btr.mid_point_in_us;
-
- if (mid_point_frames_floor > 0) {
-
- frame_time_in_us = last_render_time_in_us /
- mid_point_frames_floor;
- delta_from_mid_point_in_us_2 =
- (state->btr.mid_point_in_us >
- frame_time_in_us) ?
- (state->btr.mid_point_in_us - frame_time_in_us):
- (frame_time_in_us - state->btr.mid_point_in_us);
- }
-
- /* Choose number of frames to insert based on how close it
- * can get to the mid point of the variable range.
- */
- if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2)
- frames_to_insert = mid_point_frames_ceil;
- else
- frames_to_insert = mid_point_frames_floor;
-
- /* Either we've calculated the number of frames to insert,
- * or we need to insert min duration frames
- */
- if (frames_to_insert > 0)
- inserted_frame_duration_in_us = last_render_time_in_us /
- frames_to_insert;
-
- if (inserted_frame_duration_in_us <
- state->time.min_render_time_in_us)
-
- inserted_frame_duration_in_us =
- state->time.min_render_time_in_us;
-
- /* Cache the calculated variables */
- state->btr.inserted_frame_duration_in_us =
- inserted_frame_duration_in_us;
- state->btr.frames_to_insert = frames_to_insert;
- state->btr.frame_counter = frames_to_insert;
-
}
-}
-static void apply_fixed_refresh(struct core_freesync *core_freesync,
- struct dc_stream_state *stream, unsigned int map_index)
-{
- unsigned int vmin = 0, vmax = 0;
- struct freesync_state *state = &core_freesync->map[map_index].state;
+ /* If in fullscreen freesync mode or in video, do not program
+ * static screen ramp values
+ */
+ if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE)
+ in_out_vrr->fixed.ramping_active = false;
- if (!state->fixed_refresh.program_fixed)
- return;
-
- state->fixed_refresh.program_fixed = false;
-
- /* Program Fixed Refresh */
-
- /* Fixed Refresh set to "not active" so disengage */
- if (!state->fixed_refresh.fixed_active) {
- set_freesync_on_streams(core_freesync, &stream, 1);
-
- /* Fixed Refresh set to "active" so engage (fix to max) */
- } else {
-
- vmin = state->freesync_range.vmin;
- vmax = vmin;
- adjust_vmin_vmax(core_freesync, &stream, map_index,
- 1, vmin, vmax);
- }
-}
-
-void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
- struct dc_stream_state **streams, int num_streams,
- unsigned int curr_time_stamp_in_us)
-{
- unsigned int stream_index, map_index, last_render_time_in_us = 0;
- struct core_freesync *core_freesync = NULL;
-
- if (mod_freesync == NULL)
- return;
-
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-
- for (stream_index = 0; stream_index < num_streams; stream_index++) {
-
- map_index = map_index_from_stream(core_freesync,
- streams[stream_index]);
-
- if (core_freesync->map[map_index].caps->supported) {
-
- last_render_time_in_us = curr_time_stamp_in_us -
- core_freesync->map[map_index].state.time.
- prev_time_stamp_in_us;
-
- /* Add the timestamps to the cache and determine
- * whether BTR program is required
- */
- update_timestamps(core_freesync, streams[stream_index],
- map_index, last_render_time_in_us);
-
- if (core_freesync->map[map_index].state.fullscreen &&
- core_freesync->map[map_index].user_enable.
- enable_for_gaming) {
-
- if (core_freesync->map[map_index].caps->btr_supported) {
-
- apply_below_the_range(core_freesync,
- streams[stream_index], map_index,
- last_render_time_in_us);
- } else {
- apply_fixed_refresh(core_freesync,
- streams[stream_index], map_index);
- }
- }
-
- core_freesync->map[map_index].state.time.
- prev_time_stamp_in_us = curr_time_stamp_in_us;
- }
-
+ /* Gradual Static Screen Ramping Logic */
+ /* Execute if ramp is active and user enabled freesync static screen*/
+ if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED &&
+ in_out_vrr->fixed.ramping_active) {
+ update_v_total_for_static_ramp(
+ core_freesync, stream, in_out_vrr);
}
}
void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
- struct dc_stream_state **streams, int num_streams,
+ const struct mod_vrr_params *vrr,
unsigned int *v_total_min, unsigned int *v_total_max,
unsigned int *event_triggers,
unsigned int *window_min, unsigned int *window_max,
@@ -1523,33 +1146,94 @@
unsigned int *inserted_frames,
unsigned int *inserted_duration_in_us)
{
- unsigned int stream_index, map_index;
- struct core_freesync *core_freesync = NULL;
-
if (mod_freesync == NULL)
return;
- core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-
- for (stream_index = 0; stream_index < num_streams; stream_index++) {
-
- map_index = map_index_from_stream(core_freesync,
- streams[stream_index]);
-
- if (core_freesync->map[map_index].caps->supported) {
- struct freesync_state state =
- core_freesync->map[map_index].state;
- *v_total_min = state.vmin;
- *v_total_max = state.vmax;
- *event_triggers = 0;
- *window_min = state.time.min_window;
- *window_max = state.time.max_window;
- *lfc_mid_point_in_us = state.btr.mid_point_in_us;
- *inserted_frames = state.btr.frames_to_insert;
- *inserted_duration_in_us =
- state.btr.inserted_frame_duration_in_us;
- }
-
+ if (vrr->supported) {
+ *v_total_min = vrr->adjust.v_total_min;
+ *v_total_max = vrr->adjust.v_total_max;
+ *event_triggers = 0;
+ *lfc_mid_point_in_us = vrr->btr.mid_point_in_us;
+ *inserted_frames = vrr->btr.frames_to_insert;
+ *inserted_duration_in_us = vrr->btr.inserted_duration_in_us;
}
}
+unsigned long long mod_freesync_calc_nominal_field_rate(
+ const struct dc_stream_state *stream)
+{
+ unsigned long long nominal_field_rate_in_uhz = 0;
+ unsigned int total = stream->timing.h_total * stream->timing.v_total;
+
+ /* Calculate nominal field rate for stream, rounded up to nearest integer */
+ nominal_field_rate_in_uhz = stream->timing.pix_clk_100hz;
+ nominal_field_rate_in_uhz *= 100000000ULL;
+
+ nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz, total);
+
+ return nominal_field_rate_in_uhz;
+}
+
+bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz,
+ uint32_t max_refresh_cap_in_uhz,
+ uint32_t nominal_field_rate_in_uhz)
+{
+
+ /* Typically nominal refresh calculated can have some fractional part.
+ * Allow for some rounding error of actual video timing by taking floor
+ * of caps and request. Round the nominal refresh rate.
+ *
+ * Dividing will convert everything to units in Hz although input
+ * variable name is in uHz!
+ *
+ * Also note, this takes care of rounding error on the nominal refresh
+ * so by rounding error we only expect it to be off by a small amount,
+ * such as < 0.1 Hz. i.e. 143.9xxx or 144.1xxx.
+ *
+ * Example 1. Caps Min = 40 Hz, Max = 144 Hz
+ * Request Min = 40 Hz, Max = 144 Hz
+ * Nominal = 143.5x Hz rounded to 144 Hz
+ * This function should allow this as valid request
+ *
+ * Example 2. Caps Min = 40 Hz, Max = 144 Hz
+ * Request Min = 40 Hz, Max = 144 Hz
+ * Nominal = 144.4x Hz rounded to 144 Hz
+ * This function should allow this as valid request
+ *
+ * Example 3. Caps Min = 40 Hz, Max = 144 Hz
+ * Request Min = 40 Hz, Max = 144 Hz
+ * Nominal = 120.xx Hz rounded to 120 Hz
+ * This function should return NOT valid since the requested
+ * max is greater than current timing's nominal
+ *
+ * Example 4. Caps Min = 40 Hz, Max = 120 Hz
+ * Request Min = 40 Hz, Max = 120 Hz
+ * Nominal = 144.xx Hz rounded to 144 Hz
+ * This function should return NOT valid since the nominal
+ * is greater than the capability's max refresh
+ */
+ nominal_field_rate_in_uhz =
+ div_u64(nominal_field_rate_in_uhz + 500000, 1000000);
+ min_refresh_cap_in_uhz /= 1000000;
+ max_refresh_cap_in_uhz /= 1000000;
+
+ // Check nominal is within range
+ if (nominal_field_rate_in_uhz > max_refresh_cap_in_uhz ||
+ nominal_field_rate_in_uhz < min_refresh_cap_in_uhz)
+ return false;
+
+ // If nominal is less than max, limit the max allowed refresh rate
+ if (nominal_field_rate_in_uhz < max_refresh_cap_in_uhz)
+ max_refresh_cap_in_uhz = nominal_field_rate_in_uhz;
+
+ // Check min is within range
+ if (min_refresh_cap_in_uhz > max_refresh_cap_in_uhz)
+ return false;
+
+ // For variable range, check for at least 10 Hz range
+ if (nominal_field_rate_in_uhz - min_refresh_cap_in_uhz < 10)
+ return false;
+
+ return true;
+}
+
--
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