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disp: msm: sde: only flush SSPPs when enabling sys-cache read

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The worker function for enabling sys-cache re-uses the flushes
from the previous commit. This ends up flushing several
blocks which have no programming update. Instead, only flush
planes attached to the CRTC which is entering sys-cache state.

Change-Id: Ieed68a713e9e56a5718518cf1a6b632f37864fb9
Signed-off-by: Steve Cohen <cohens@codeaurora.org>
This commit is contained in:
Steve Cohen
2020-09-25 19:22:01 -04:00
parent 5100a8e9e9
commit 0c946dca85
1 changed files with 14 additions and 9 deletions
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23
msm/sde/sde_crtc.c
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@@ -6456,13 +6456,10 @@ void __sde_crtc_static_cache_read_work(struct kthread_work *work)
{ {
struct sde_crtc *sde_crtc = container_of(work, struct sde_crtc, struct sde_crtc *sde_crtc = container_of(work, struct sde_crtc,
static_cache_read_work.work); static_cache_read_work.work);
struct drm_crtc *crtc; struct drm_crtc *crtc = &sde_crtc->base;
struct sde_hw_ctl *ctl = sde_crtc->mixers[0].hw_ctl;
struct drm_encoder *enc, *drm_enc = NULL; struct drm_encoder *enc, *drm_enc = NULL;
struct drm_plane *plane;
if (!sde_crtc)
return;
crtc = &sde_crtc->base;
if (sde_crtc->cache_state != CACHE_STATE_FRAME_WRITE) if (sde_crtc->cache_state != CACHE_STATE_FRAME_WRITE)
return; return;
@@ -6473,8 +6470,9 @@ void __sde_crtc_static_cache_read_work(struct kthread_work *work)
return; return;
} }
if (!drm_enc) { if (!drm_enc || !ctl || !sde_crtc->num_mixers) {
SDE_ERROR("invalid encoder\n"); SDE_ERROR("invalid object, drm_enc:%d, ctl:%d\n", !drm_enc,
!ctl);
return; return;
} }
@@ -6482,7 +6480,14 @@ void __sde_crtc_static_cache_read_work(struct kthread_work *work)
sde_crtc_static_img_control(crtc, CACHE_STATE_FRAME_READ, false); sde_crtc_static_img_control(crtc, CACHE_STATE_FRAME_READ, false);
/* kickoff encoder with previous configuration and wait for VBLANK */ /* flush only the sys-cache enabled SSPPs */
if (ctl->ops.clear_pending_flush)
ctl->ops.clear_pending_flush(ctl);
drm_atomic_crtc_for_each_plane(plane, crtc)
sde_plane_ctl_flush(plane, ctl, true);
/* kickoff encoder and wait for VBLANK */
sde_encoder_kickoff(drm_enc, false, false); sde_encoder_kickoff(drm_enc, false, false);
sde_encoder_wait_for_event(drm_enc, MSM_ENC_VBLANK); sde_encoder_wait_for_event(drm_enc, MSM_ENC_VBLANK);