Description
In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8mp-blk-ctrl: imx8mp_blk: Add fdcc clock to hdmimix domain According to i.MX8MP RM and HDMI ADD, the fdcc clock is part of hdmi rx verification IP that should not enable for HDMI TX. But actually if the clock is disabled before HDMI/LCDIF probe, LCDIF will not get pixel clock from HDMI PHY and print the error logs: [CRTC:39:crtc-2] vblank wait timed out WARNING: CPU: 2 PID: 9 at drivers/gpu/drm/drm_atomic_helper.c:1634 drm_atomic_helper_wait_for_vblanks.part.0+0x23c/0x260 Add fdcc clock to LCDIF and HDMI TX power domains to fix the issue.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
556f5cf9568af772d494cff24ffaa7ea41e1ab40 to < 9d3f959b426635c4da50dfc7b1306afd84d23e7caffected556f5cf9568af772d494cff24ffaa7ea41e1ab40 to < b13c0d871cd878ff53d25507ca535f59ed1f6a2aaffected556f5cf9568af772d494cff24ffaa7ea41e1ab40 to < 697624ee8ad557ab5417f985d2c804241a7ad30daffected
Linux Linux
Default version status: affected
5.19affected0 to < 5.19unaffected6.6.27 to ≤ 6.6.*unaffected6.8.6 to ≤ 6.8.*unaffected6.9 to ≤ *unaffected