Hello,
Friendly ping! This series has been reviewed/tested and still applies
cleanly on drm-misc-next, could it be merged?
Best regards,
Henrik Grimler
On Tue, Jun 02, 2026 at 08:36:47PM +0200, Henrik Grimler wrote:
> Hi,
>
> This series fixes so HDMI through the sii9234 MHL chip works when
> cable is hotplugged, by making the MHL chip use extcon cable detection
> functions. Patch 3, that actually implements the extcon parts, is heavily
> inspired by commit 688838442147 ("drm/bridge/sii8620: use micro-USB
> cable detection logic to detect MHL") by Maciej Purski.
>
> Before these changes, HDMI only worked if cable was plugged in before
> booting. If no cable was connected, then wlr-randr still showed HDMI
> as connected, with 0x0 px, which confused at least some UIs (phosh)
> and caused problems:
> https://gitlab.gnome.org/World/Phosh/phosh/-/issues/828
>
> Tested on exynos4412-i9305.
>
> Best regards,
> Henrik Grimler
>
> Signed-off-by: Henrik Grimler <[email protected]>
> ---
> Changes in v4:
> - Collect tags
> - Link to v3:
> https://lore.kernel.org/r/[email protected]
>
> Changes in v3:
> - Fix return of dev_err_probe in patch 2 and patch 3, spotted by
> Dmitry and Marek respectively.
> - Change to depends on EXTCON || !EXTCON instead of select
> - Collect tags for patch 1 (not 3 since there were (minor) changes)
> - Link to v2:
> https://lore.kernel.org/r/[email protected]
>
> Changes in v2:
> - Add dependency on extcon in patch 3. Issue reported by kernel test robot
> <[email protected]>
> - Link to v1:
> https://lore.kernel.org/r/[email protected]
>
> ---
> Henrik Grimler (3):
> drm/bridge: sii9234: fix some typos in comments and messages
> drm/bridge: sii9234: use dev_err_probe where applicable
> drm/bridge: sii9234: use extcon cable detection logic to detect MHL
>
> drivers/gpu/drm/bridge/Kconfig | 1 +
> drivers/gpu/drm/bridge/sii9234.c | 124
> +++++++++++++++++++++++++++++++--------
> 2 files changed, 102 insertions(+), 23 deletions(-)
> ---
> base-commit: a87fef0880c4f52769b5a3c2fc1b2d73aaa04eb3
> change-id: 20231218-exynos4-sii9234-driver-d817d4b511d5
>
> Best regards,
> --
> Henrik Grimler <[email protected]>
>
