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disp: msm: add support for INTF WD jitter

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Change adds support for the INTF watchdog timer jitter feature
for MDSS 9.x.

Change-Id: I2cf821b5b5724f9adee95c282e0ec09719489a85
Signed-off-by: Satya Rama Aditya Pinapala <quic_spinapal@quicinc.com>
Signed-off-by: Narendra Muppalla <quic_nmuppall@quicinc.com>
This commit is contained in:
Satya Rama Aditya Pinapala
2021-08-30 14:08:42 -07:00
committed by Narendra Muppalla
parent 7d0468f562
commit 718cd25496
9 changed files with 188 additions and 8 deletions
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29
msm/sde/sde_encoder_phys_cmd.c
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@@ -1894,11 +1894,38 @@ static void sde_encoder_phys_cmd_trigger_start(
cmd_enc->wr_ptr_wait_success = false;
}
static void _sde_encoder_phys_cmd_calculate_wd_params(struct sde_encoder_phys *phys_enc,
struct intf_wd_jitter_params *wd_jitter)
{
u32 nominal_te_value;
struct sde_encoder_virt *sde_enc;
struct msm_mode_info *mode_info;
const u32 multiplier = 1 << 10;
sde_enc = to_sde_encoder_virt(phys_enc->parent);
mode_info = &sde_enc->mode_info;
if (mode_info->wd_jitter.jitter_type & MSM_DISPLAY_WD_INSTANTANEOUS_JITTER)
wd_jitter->jitter = mult_frac(multiplier, mode_info->wd_jitter.inst_jitter_numer,
(mode_info->wd_jitter.inst_jitter_denom * 100));
if (mode_info->wd_jitter.jitter_type & MSM_DISPLAY_WD_LTJ_JITTER) {
nominal_te_value = CALCULATE_WD_LOAD_VALUE(mode_info->frame_rate) * MDP_TICK_COUNT;
wd_jitter->ltj_max = mult_frac(nominal_te_value, mode_info->wd_jitter.ltj_max_numer,
(mode_info->wd_jitter.ltj_max_denom) * 100);
wd_jitter->ltj_slope = mult_frac((1 << 16), wd_jitter->ltj_max,
(mode_info->wd_jitter.ltj_time_sec * mode_info->frame_rate));
}
phys_enc->hw_intf->ops.configure_wd_jitter(phys_enc->hw_intf, wd_jitter);
}
static void sde_encoder_phys_cmd_setup_vsync_source(struct sde_encoder_phys *phys_enc,
u32 vsync_source, struct msm_display_info *disp_info)
{
struct sde_encoder_virt *sde_enc;
struct sde_connector *sde_conn;
struct intf_wd_jitter_params wd_jitter = {0, 0};
if (!phys_enc || !phys_enc->hw_intf)
return;
@@ -1912,6 +1939,8 @@ static void sde_encoder_phys_cmd_setup_vsync_source(struct sde_encoder_phys *phy
if ((disp_info->is_te_using_watchdog_timer || sde_conn->panel_dead) &&
phys_enc->hw_intf->ops.setup_vsync_source) {
vsync_source = SDE_VSYNC_SOURCE_WD_TIMER_0;
if (phys_enc->hw_intf->ops.configure_wd_jitter)
_sde_encoder_phys_cmd_calculate_wd_params(phys_enc, &wd_jitter);
phys_enc->hw_intf->ops.setup_vsync_source(phys_enc->hw_intf,
sde_enc->mode_info.frame_rate);
} else {