Skip to content

drm/mediatek: ovl: Fix misaligned layer source size on AFBC mode

Ariel D'Alessandrorequested to merge
wip/adalessandro/mediatek-dev/afbc into mediatek-dev

This MR fixes an issue in the Mediatek Display Overlay due to bad alignment of the AFBC buffer, which is causing vblanks timeouts constantly.

drm/mediatek: ovl: Fix misaligned layer source size on AFBC mode

In AFBC mode, OVL_SRC_SIZE must be block aligned. Due to this limitation
of the AFBC format, OVL_CLIP is used to adjust the output size of the
layer.

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>

Note that commit fac8dcdf Author: Sjoerd Simons sjoerd@collabora.com Date: Tue Mar 4 21:03:25 2025 +0100

HACK: MTK: Disable AFBC support

disables AFBC support. In order to test this patch, AFBC should be re-enabled and the above commit reverted.

Edited by Ariel D'Alessandro

Merge request reports