samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: sde: add underrun line count information

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Add underrun line count information for each underrun.

Change-Id: I34a740c33240fa8d444f4bbc3b8b014b0282fca1
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
This commit is contained in:
Dhaval Patel
2020-01-23 18:05:19 -08:00
committed by Gerrit - the friendly Code Review server
parent 9d96e47c53
commit 9438f3448b
5 changed files with 58 additions and 0 deletions
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4
msm/sde/sde_encoder.c
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@@ -2887,12 +2887,16 @@ static void sde_encoder_vblank_callback(struct drm_encoder *drm_enc,
static void sde_encoder_underrun_callback(struct drm_encoder *drm_enc,
struct sde_encoder_phys *phy_enc)
{
struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
if (!phy_enc)
return;
SDE_ATRACE_BEGIN("encoder_underrun_callback");
atomic_inc(&phy_enc->underrun_cnt);
SDE_EVT32(DRMID(drm_enc), atomic_read(&phy_enc->underrun_cnt));
if (sde_enc->cur_master->ops.get_underrun_line_count)
sde_enc->cur_master->ops.get_underrun_line_count(
sde_enc->cur_master);
trace_sde_encoder_underrun(DRMID(drm_enc),
atomic_read(&phy_enc->underrun_cnt));