The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x ba98413bf45edbf33672e2539e321b851b2cfbd1 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '1680007000120162@kroah.com' --subject-prefix 'PATCH 5.4.y' HEAD^..

Possible dependencies:

ba98413bf45e ("drm/meson: fix missing component unbind on bind errors") fa747d75f65d ("drm/meson: Fix error handling when afbcd.ops->init fails") e67f6037ae1b ("drm/meson: split out encoder from meson_dw_hdmi") d4cb82aa2e4b ("drm/meson: Make use of the helper function devm_platform_ioremap_resourcexxx()") 65a969655cb9 ("drm/meson: Convert to Linux IRQ interfaces") 2b6cb81b95d1 ("drm/meson: dw-hdmi: Enable the iahb clock early enough") 1dfeea904550 ("drm/meson: dw-hdmi: Disable clocks on driver teardown") b33340e33acd ("drm/meson: dw-hdmi: Ensure that clocks are enabled before touching the TOP registers") 0405f94a1ae0 ("drm/meson: dw-hdmi: Register a callback to disable the regulator") e78ad18ba365 ("drm/meson: Unbind all connectors on module removal") fa62ee25280f ("drm/meson: Free RDMA resources after tearing down DRM") 35a395f1134b ("drm: bridge: dw-hdmi: Constify mode argument to dw_hdmi_phy_ops .init()") af05bba0fbe2 ("drm: bridge: dw-hdmi: Pass drm_display_info to .mode_valid()") 9bc78d6dc818 ("drm: meson: dw-hdmi: Use dw_hdmi context to replace hack") 96591a4b93fb ("drm: bridge: dw-hdmi: Pass private data pointer to .mode_valid()") b54d830ccb65 ("drm/meson: Set GEM CMA functions with DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE") 48ab4b8f236c ("drm/meson: Use GEM CMA object functions") 8976eeee8de0 ("drm/meson: add mode selection limits against specific SoC revisions") bd9ff7b521a6 ("drm/meson: Drop explicit drm_mode_config_cleanup call") 8496a2172d7c ("drm/meson: Add YUV420 output support")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From ba98413bf45edbf33672e2539e321b851b2cfbd1 Mon Sep 17 00:00:00 2001 From: Johan Hovold johan+linaro@kernel.org Date: Mon, 6 Mar 2023 11:35:33 +0100 Subject: [PATCH] drm/meson: fix missing component unbind on bind errors

Make sure to unbind all subcomponents when binding the aggregate device fails.

Fixes: a41e82e6c457 ("drm/meson: Add support for components") Cc: stable@vger.kernel.org # 4.12 Cc: Neil Armstrong neil.armstrong@linaro.org Signed-off-by: Johan Hovold johan+linaro@kernel.org Acked-by: Neil Armstrong neil.armstrong@linaro.org Signed-off-by: Neil Armstrong neil.armstrong@linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20230306103533.4915-1-johan+li...

diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 79bfe3938d3c..7caf937c3c90 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -325,23 +325,23 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)

ret = meson_encoder_hdmi_init(priv); if (ret) - goto exit_afbcd; + goto unbind_all;

ret = meson_plane_create(priv); if (ret) - goto exit_afbcd; + goto unbind_all;

ret = meson_overlay_create(priv); if (ret) - goto exit_afbcd; + goto unbind_all;

ret = meson_crtc_create(priv); if (ret) - goto exit_afbcd; + goto unbind_all;

ret = request_irq(priv->vsync_irq, meson_irq, 0, drm->driver->name, drm); if (ret) - goto exit_afbcd; + goto unbind_all;

drm_mode_config_reset(drm);

@@ -359,6 +359,9 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)

uninstall_irq: free_irq(priv->vsync_irq, drm); +unbind_all: + if (has_components) + component_unbind_all(drm->dev, drm); exit_afbcd: if (priv->afbcd.ops) priv->afbcd.ops->exit(priv);