diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4215-drm-amd-display-refactor-vupdate-interrupt-registrat.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4215-drm-amd-display-refactor-vupdate-interrupt-registrat.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4215-drm-amd-display-refactor-vupdate-interrupt-registrat.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4215-drm-amd-display-refactor-vupdate-interrupt-registrat.patch new file mode 100644 index 00000000..672d61cd --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4215-drm-amd-display-refactor-vupdate-interrupt-registrat.patch @@ -0,0 +1,67 @@ +From 3e79e98b358b012f11f11c31377bc7838cdeb9be Mon Sep 17 00:00:00 2001 +From: Anthony Koo <Anthony.Koo@amd.com> +Date: Fri, 6 Apr 2018 13:55:39 -0400 +Subject: [PATCH 4215/5725] drm/amd/display: refactor vupdate interrupt + registration + +We only need to register once OS calls the interrupt control. +Also, if we are entering static screen mode, disable after ramping is done. +Disable shall be done via timer of 2 seconds regardless of ramping +complete or not, just to simplify. + +Also, ramp to mid instead of min, due to better flicker performance... + +Signed-off-by: Anthony Koo <Anthony.Koo@amd.com> +Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + .../gpu/drm/amd/display/modules/freesync/freesync.c | 19 ++++++++----------- + 1 file changed, 8 insertions(+), 11 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +index daad60e..349387e 100644 +--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c ++++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +@@ -109,12 +109,6 @@ static unsigned int calc_duration_in_us_from_v_total( + * 1000) * stream->timing.h_total, + stream->timing.pix_clk_khz)); + +- if (duration_in_us < in_vrr->min_duration_in_us) +- duration_in_us = in_vrr->min_duration_in_us; +- +- if (duration_in_us > in_vrr->max_duration_in_us) +- duration_in_us = in_vrr->max_duration_in_us; +- + return duration_in_us; + } + +@@ -230,10 +224,9 @@ static void update_v_total_for_static_ramp( + } + } + +- v_total = calc_v_total_from_duration(stream, +- in_out_vrr, +- current_duration_in_us); +- ++ v_total = div64_u64(div64_u64(((unsigned long long)( ++ current_duration_in_us) * stream->timing.pix_clk_khz), ++ stream->timing.h_total), 1000); + + in_out_vrr->adjust.v_total_min = v_total; + in_out_vrr->adjust.v_total_max = v_total; +@@ -702,7 +695,11 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, + } else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) { + in_out_vrr->fixed.target_refresh_in_uhz = + in_out_vrr->min_refresh_in_uhz; +- if (in_out_vrr->fixed.ramping_active) { ++ 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; +-- +2.7.4 + |