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| author | Jani Nikula <jani.nikula@intel.com> | 2018-11-20 13:14:08 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2018-11-20 13:14:08 +0200 |
| commit | 2ac5e38ea4203852d6e99edd3cf11f044b0a409f (patch) | |
| tree | 1ef02da98d56309368ad2b6a4e492bafe5bb4faf /drivers/gpu/drm/amd/display/modules/freesync/freesync.c | |
| parent | f48cc647f3e196a3179d695d3c2d56c13e9dec98 (diff) | |
| parent | 9235dd441af43599b9cdcce599a3da4083fcad3c (diff) | |
| download | talos-op-linux-2ac5e38ea4203852d6e99edd3cf11f044b0a409f.tar.gz talos-op-linux-2ac5e38ea4203852d6e99edd3cf11f044b0a409f.zip | |
Merge drm/drm-next into drm-intel-next-queued
Pull in v4.20-rc3 via drm-next.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync/freesync.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 37 |
1 files changed, 9 insertions, 28 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 4018c7180d00..620a171620ee 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -37,6 +37,8 @@ #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 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 @@ -257,40 +259,14 @@ static void apply_below_the_range(struct core_freesync *core_freesync, if (in_out_vrr->btr.btr_active) { in_out_vrr->btr.frame_counter = 0; in_out_vrr->btr.btr_active = false; - - /* Exit Fixed Refresh mode */ - } else 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; - } } } else if (last_render_time_in_us > max_render_time_in_us) { /* Enter Below the Range */ - if (!in_out_vrr->btr.btr_active && - in_out_vrr->btr.btr_enabled) { - in_out_vrr->btr.btr_active = true; - - /* Enter Fixed Refresh mode */ - } else if (!in_out_vrr->fixed.fixed_active && - !in_out_vrr->btr.btr_enabled) { - 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->btr.btr_active = true; } /* BTR set to "not active" so disengage */ if (!in_out_vrr->btr.btr_active) { - 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; @@ -375,7 +351,12 @@ static void apply_fixed_refresh(struct core_freesync *core_freesync, bool update = false; unsigned int max_render_time_in_us = in_out_vrr->max_duration_in_us; - if (last_render_time_in_us + BTR_EXIT_MARGIN < max_render_time_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++; |
