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From: Henrik Grimler To: Dmitry Baryshkov , Marek Szyprowski , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux-kernel@vger.kernel.org Subject: Re: [PATCH RESEND v4 0/3] drm/bridge: sii9234: use extcon to detect cable attachment Message-ID: <20260630124301.GA4736@localhost> References: <20260602-exynos4-sii9234-driver-v4-0-9b2fc38e104a@grimler.se> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260602-exynos4-sii9234-driver-v4-0-9b2fc38e104a@grimler.se> X-Migadu-Flow: FLOW_OUT 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 > --- > Changes in v4: > - Collect tags > - Link to v3: https://lore.kernel.org/r/20250824-exynos4-sii9234-driver-v3-0-80849e716a37@grimler.se > > 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/20250724-exynos4-sii9234-driver-v2-0-faee244f1d40@grimler.se > > Changes in v2: > - Add dependency on extcon in patch 3. Issue reported by kernel test robot > - Link to v1: https://lore.kernel.org/r/20250721-exynos4-sii9234-driver-v1-0-2e47ed02f677@grimler.se > > --- > 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 >