11:17 <biju> Hi , I see below messages with 5.10 panfrost driver while running glmark2, this issue is not present in 6.1 and mainline

11:17 <biju> [ 93.957613] panfrost 11840000.gpu: js fault, js=0, status=DATA_INVALID_FAULT, head=0x6584140, tail=0x6584140

11:17 <biju> Has any one seen this issue? is there any patch for fixing this issue?

11:18 <biju> glmark2 performance with 5.10 and 6.1 is ok, but this messages on the logs doesn't look good.

11:19 <biju> OpenGL ES 2.x information:

11:19 <biju> version: "OpenGL ES 3.1 Mesa 21.3.7"

11:19 <biju> shading language version: "OpenGL ES GLSL ES 3.10"

11:19 <biju> vendor: "Panfrost"

11:19 <biju> renderer: "Mali-G31 (Panfrost)"

11:25 <CounterPillow> Run a git bisect on the panfrost directory between those two releases? The fact that it's not present in 6.1 should tell you that yes there is a patch for this, and it's part of what makes up 6.1

11:33 <biju> One problem is platform has mainline support only from 5.16. IIRC, I don't see this issue on 5.16. so the issue must be between 5.10 and 5.16.

11:33 <CounterPillow> You're using panfrost in a non-mainline kernel? huh?

11:35 <biju> I am using 5.10-cip kernel (https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git/log/?h=linux-5.10.y-cip)

11:36 <biju> It is mainline kernel, for mali support I just need to add device node (https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/arch/arm64/boot/dts/renesas/r9a07g044.dtsi?h=next-20231212&id=b6db8f72dddc79752585b115e478b47197ef5761)

11:37 <biju> I just backported these device nodes to 5.10-cip

11:38 <biju> For 720p, I get a score of 107 which is same as 6.1 release

11:44 <biju> I am using 5.10.201 mainline kernel.

11:56 <robmur01> IIRC 5.10 was the first version where panfrost was generally usable at all, but it definitely still has plenty of issues

11:57 <robmur01> a lot of the fixes aren't and won't be backported because they depend on significant wider DRM changes

11:58 <biju> good to know. Thanks for the info