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disp: msm: add new mode to notify when there is a fps change

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Add a new mode DRM_PANEL_BLANK_FPS_CHANGE whenever there is
a change in fps and the power mode remains the same.
This will avoid unnecessary resume operations in touch driver.

Change-Id: Id3d5884ba862c864782636360e3832854464bf65
Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>
This commit is contained in:
Krishna Manikandan
2019-11-26 15:43:33 +05:30
committed by Narendra Muppalla
parent fb50dda175
commit 2b492f05d9
1 changed files with 8 additions and 0 deletions
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8
msm/sde/sde_kms.c
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@@ -1002,6 +1002,14 @@ static void _sde_kms_drm_check_dpms(struct drm_atomic_state *old_state,
pr_debug("change detected (power mode %d->%d, fps %d->%d)\n",
old_mode, new_mode, old_fps, new_fps);
/* If suspend resume and fps change are happening
* at the same time, give preference to power mode
* changes rather than fps change.
*/
if ((old_mode == new_mode) && (old_fps != new_fps))
new_mode = DRM_PANEL_BLANK_FPS_CHANGE;
notifier_data.data = &new_mode;
notifier_data.refresh_rate = new_fps;
notifier_data.id = connector->base.id;