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drm/rockchip: vop: Do not commit writeback when all win disabled

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Change-Id: Iaa96aebaf2d6f225ebd3a35648b219510d38f648
Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
This commit is contained in:
Chaoyi Chen
2025-05-16 15:28:13 +08:00
committed by Tao Huang
parent 9deae3276c
commit 89527bc745
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@@ -1859,6 +1859,11 @@ static void vop_wb_commit(struct drm_crtc *crtc)
fb->pitches[0], &wb_state->yrgb_addr);
drm_writeback_queue_job(wb_conn, conn_state);
if (!vop->enabled_win_mask) {
drm_warn(vop->drm_dev, "Writeback can not work when all plane are disabled!");
drm_writeback_signal_completion(&vop->wb.conn, 0);
return;
}
fifo_throd = fb->pitches[0] >> 4;
if (fifo_throd > vop->data->wb->fifo_depth)