On Sat, 9 Sept 2023 at 18:16, <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > This is a note to let you know that I've just added the patch titled > > arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved > > to the 5.10-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > The filename of the patch is: > arm64-dts-qcom-sdm845-db845c-mark-cont-splash-memory-region-as-reserved.patch > and it can be found in the queue-5.10 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, > please let <stable@xxxxxxxxxxxxxxx> know about it. > Please skip this patch for 5.10.y. We ran into a boot (mdss crash) regression with this patch. Regards, Amit Pundir > > From 110e70fccce4f22b53986ae797d665ffb1950aa6 Mon Sep 17 00:00:00 2001 > From: Amit Pundir <amit.pundir@xxxxxxxxxx> > Date: Wed, 26 Jul 2023 18:57:19 +0530 > Subject: arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved > > From: Amit Pundir <amit.pundir@xxxxxxxxxx> > > commit 110e70fccce4f22b53986ae797d665ffb1950aa6 upstream. > > Adding a reserved memory region for the framebuffer memory > (the splash memory region set up by the bootloader). > > It fixes a kernel panic (arm-smmu: Unhandled context fault > at this particular memory region) reported on DB845c running > v5.10.y. > > Cc: stable@xxxxxxxxxxxxxxx # v5.10+ > Reviewed-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx> > Signed-off-by: Amit Pundir <amit.pundir@xxxxxxxxxx> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > Link: https://lore.kernel.org/r/20230726132719.2117369-2-amit.pundir@xxxxxxxxxx > Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > --- > arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 9 +++++++++ > 1 file changed, 9 insertions(+) > > --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts > +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts > @@ -85,6 +85,14 @@ > }; > }; > > + reserved-memory { > + /* Cont splash region set up by the bootloader */ > + cont_splash_mem: framebuffer@9d400000 { > + reg = <0x0 0x9d400000 0x0 0x2400000>; > + no-map; > + }; > + }; > + > lt9611_1v8: lt9611-vdd18-regulator { > compatible = "regulator-fixed"; > regulator-name = "LT9611_1V8"; > @@ -482,6 +490,7 @@ > }; > > &mdss { > + memory-region = <&cont_splash_mem>; > status = "okay"; > }; > > > > Patches currently in stable-queue which might be from amit.pundir@xxxxxxxxxx are > > queue-5.10/arm64-dts-qcom-sdm845-db845c-mark-cont-splash-memory-region-as-reserved.patch
