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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0558-drm-amd-display-add-hyst-frames-for-fixed-refresh.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0558-drm-amd-display-add-hyst-frames-for-fixed-refresh.patch168
1 files changed, 0 insertions, 168 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0558-drm-amd-display-add-hyst-frames-for-fixed-refresh.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0558-drm-amd-display-add-hyst-frames-for-fixed-refresh.patch
deleted file mode 100644
index f6936ba8..00000000
--- a/common/recipes-kernel/linux/linux-yocto-4.14.71/0558-drm-amd-display-add-hyst-frames-for-fixed-refresh.patch
+++ /dev/null
@@ -1,168 +0,0 @@
-From fdd381953a0a247c7917c8243310cc9b58cb9657 Mon Sep 17 00:00:00 2001
-From: Anthony Koo <Anthony.Koo@amd.com>
-Date: Tue, 27 Jun 2017 13:27:00 -0400
-Subject: [PATCH 0558/4131] drm/amd/display: add hyst frames for fixed refresh
-
-Signed-off-by: Anthony Koo <anthony.koo@amd.com>
-Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
-Acked-by: Harry Wentland <Harry.Wentland@amd.com>
-Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
----
- .../drm/amd/display/modules/freesync/freesync.c | 56 ++++++++++++++--------
- 1 file changed, 36 insertions(+), 20 deletions(-)
-
-diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
-index 7109742..c7da90f 100644
---- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
-+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
-@@ -37,6 +37,9 @@
- #define RENDER_TIMES_MAX_COUNT 20
- /* Threshold to exit BTR (to avoid frequent enter-exits at the lower limit) */
- #define BTR_EXIT_MARGIN 2000
-+/* 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"
-
-@@ -72,8 +75,9 @@ struct below_the_range {
- };
-
- struct fixed_refresh {
-- bool fixed_refresh_active;
-- bool program_fixed_refresh;
-+ bool fixed_active;
-+ bool program_fixed;
-+ unsigned int frame_counter;
- };
-
- struct freesync_range {
-@@ -168,8 +172,8 @@ struct mod_freesync *mod_freesync_create(struct 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(core_dc->ctx, NULL, FREESYNC_REGISTRY_NAME, NULL, NULL,
-- 0, &flag);
-+ dm_write_persistent_data(core_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(core_dc->ctx, NULL, NULL,
-@@ -422,7 +426,7 @@ static void calc_freesync_range(struct core_freesync *core_freesync,
- min_frame_duration_in_ns) * stream->timing.pix_clk_khz),
- stream->timing.h_total), 1000000);
-
-- /* In case of 4k free sync monitor, vmin or vmax cannot be less than vtotal */
-+ /* 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);
-@@ -553,8 +557,8 @@ static void reset_freesync_state_variables(struct freesync_state* state)
- state->btr.inserted_frame_duration_in_us = 0;
- state->btr.program_btr = false;
-
-- state->fixed_refresh.fixed_refresh_active = false;
-- state->fixed_refresh.program_fixed_refresh = false;
-+ state->fixed_refresh.fixed_active = false;
-+ state->fixed_refresh.program_fixed = false;
- }
- /*
- * Sets freesync mode on a stream depending on current freesync state.
-@@ -594,7 +598,7 @@ static bool set_freesync_on_streams(struct core_freesync *core_freesync,
- if (core_freesync->map[map_index].user_enable.
- enable_for_gaming == true &&
- state->fullscreen == true &&
-- state->fixed_refresh.fixed_refresh_active == false) {
-+ state->fixed_refresh.fixed_active == false) {
- /* Enable freesync */
-
- v_total_min = state->freesync_range.vmin;
-@@ -1240,29 +1244,39 @@ static void update_timestamps(struct core_freesync *core_freesync,
- state->btr.frame_counter = 0;
-
- /* Exit Fixed Refresh mode */
-- } else if (state->fixed_refresh.fixed_refresh_active) {
-+ } else if (state->fixed_refresh.fixed_active) {
-
-- state->fixed_refresh.program_fixed_refresh = true;
-- state->fixed_refresh.fixed_refresh_active = false;
-+ 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) {
-+ 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_refresh_active &&
-+ } else if (!state->fixed_refresh.fixed_active &&
- !core_freesync->map[map_index].caps->btr_supported) {
-
-- state->fixed_refresh.program_fixed_refresh = true;
-- state->fixed_refresh.fixed_refresh_active = true;
-+ 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;
-+ }
- }
- }
-
-@@ -1316,7 +1330,8 @@ static void apply_below_the_range(struct core_freesync *core_freesync,
-
- 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 >
-+ 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);
-@@ -1332,7 +1347,8 @@ static void apply_below_the_range(struct core_freesync *core_freesync,
-
- 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 >
-+ 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);
-@@ -1374,15 +1390,15 @@ static void apply_fixed_refresh(struct core_freesync *core_freesync,
- unsigned int vmin = 0, vmax = 0;
- struct freesync_state *state = &core_freesync->map[map_index].state;
-
-- if (!state->fixed_refresh.program_fixed_refresh)
-+ if (!state->fixed_refresh.program_fixed)
- return;
-
-- state->fixed_refresh.program_fixed_refresh = false;
-+ state->fixed_refresh.program_fixed = false;
-
- /* Program Fixed Refresh */
-
- /* Fixed Refresh set to "not active" so disengage */
-- if (!state->fixed_refresh.fixed_refresh_active) {
-+ if (!state->fixed_refresh.fixed_active) {
- set_freesync_on_streams(core_freesync, &stream, 1);
-
- /* Fixed Refresh set to "active" so engage (fix to max) */
---
-2.7.4
-