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Merge "disp: msm: sde: remove idle time from Qsync threshold calculation"

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qctecmdr 2021-08-19 23:46:19 -07:00 • committed by Gerrit - the friendly Code Review server
commit 16b3d11221
3 changed files with 13 additions and 43 deletions
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18
msm/sde/sde_encoder.c
View file

@ -4286,24 +4286,6 @@ void sde_encoder_helper_get_pp_line_count(struct drm_encoder *drm_enc,
}
}
void sde_encoder_helper_get_transfer_time(struct drm_encoder *drm_enc,
u32 *transfer_time_us)
{
struct sde_encoder_virt *sde_enc;
struct msm_mode_info *info;
if (!drm_enc || !transfer_time_us) {
SDE_ERROR("bad arg: encoder:%d transfer_time:%d\n", !drm_enc,
!transfer_time_us);
return;
}
sde_enc = to_sde_encoder_virt(drm_enc);
info = &sde_enc->mode_info;
*transfer_time_us = info->mdp_transfer_time_us;
}
int sde_encoder_helper_reset_mixers(struct sde_encoder_phys *phys_enc,
struct drm_framebuffer *fb)
{

8
msm/sde/sde_encoder_phys.h
View file

@ -541,14 +541,6 @@ void sde_encoder_phys_setup_cdm(struct sde_encoder_phys *phys_enc,
void sde_encoder_helper_get_pp_line_count(struct drm_encoder *drm_enc,
struct sde_hw_pp_vsync_info *info);
/**
* sde_encoder_helper_get_transfer_time - get the mdp transfer time in usecs
* @drm_enc: Pointer to drm encoder structure
* @transfer_time_us: Pointer to store the output value
*/
void sde_encoder_helper_get_transfer_time(struct drm_encoder *drm_enc,
u32 *transfer_time_us);
/**
* sde_encoder_helper_trigger_flush - control flush helper function
* This helper function may be optionally specified by physical

30
msm/sde/sde_encoder_phys_cmd.c
View file

@ -963,8 +963,6 @@ static int _get_tearcheck_threshold(struct sde_encoder_phys *phys_enc)
u32 default_time_ns;
u32 extra_time_ns;
u32 default_line_time_ns;
u32 idle_time_ns = 0;
u32 transfer_time_us = 0;
if (phys_enc->parent_ops.get_qsync_fps)
phys_enc->parent_ops.get_qsync_fps(
@ -985,28 +983,26 @@ static int _get_tearcheck_threshold(struct sde_encoder_phys *phys_enc)
}
/* Calculate the number of extra lines*/
slow_time_ns = (1 * 1000000000) / qsync_min_fps;
default_time_ns = (1 * 1000000000) / default_fps;
sde_encoder_helper_get_transfer_time(phys_enc->parent,
&transfer_time_us);
if (transfer_time_us)
idle_time_ns = default_time_ns -
(1000 * transfer_time_us);
extra_time_ns = slow_time_ns - default_time_ns + idle_time_ns;
default_line_time_ns = (1 * 1000000000) / (default_fps * yres);
slow_time_ns = 1000000000 / qsync_min_fps;
default_time_ns = 1000000000 / default_fps;
extra_time_ns = slow_time_ns - default_time_ns;
default_line_time_ns = default_time_ns / yres;
threshold_lines = extra_time_ns / default_line_time_ns;
/* round down to nearest multiple of 4 to compensate for rounding in DDIC */
threshold_lines &= ~(4 - 1);
/* additional compensation for latency */
if (threshold_lines - 2 > DEFAULT_TEARCHECK_SYNC_THRESH_START)
threshold_lines -= 2;
SDE_DEBUG_CMDENC(cmd_enc, "slow:%d default:%d extra:%d(ns)\n",
slow_time_ns, default_time_ns, extra_time_ns);
SDE_DEBUG_CMDENC(cmd_enc, "xfer:%d(us) idle:%d(ns) lines:%d\n",
transfer_time_us, idle_time_ns, threshold_lines);
SDE_DEBUG_CMDENC(cmd_enc, "min_fps:%d fps:%d yres:%d\n",
qsync_min_fps, default_fps, yres);
SDE_DEBUG_CMDENC(cmd_enc, "min_fps:%d fps:%d yres:%d lines:%d\n",
qsync_min_fps, default_fps, yres, threshold_lines);
SDE_EVT32(qsync_mode, qsync_min_fps, extra_time_ns, default_fps,
yres, transfer_time_us, threshold_lines);
yres, threshold_lines);
}
exit: