VC4 backwards-compatible code changes #1213
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This can be parsed with vc4-gpu-tools tools for trying to figure out what was going on. Signed-off-by: Eric Anholt <[email protected]>
This gets almost everything matching, except for the MSAA support and using generic PM domains. Signed-off-by: Eric Anholt <[email protected]>
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Builds and runs okay for me. @pelwell happy to merge? |
pelwell
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Dec 5, 2015
VC4 backwards-compatible code changes
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I'm happy for you to change hpd-gpio to hpd-gpios whenever you want. Although it isn't really the done thing, our DT has been through several incompatible changes, but because the kernel is always packaged with the DT and overlays this hasn't been a problem. Just put the overlay change and any code change in the same commit. |
popcornmix
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Jul 4, 2017
This reverts commit 88bb942. It introduced a new CONFIG_DEBUG_ATOMIC_SLEEP warning in v4.12-rc1: [ 7226.716713] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:238 [ 7226.716716] in_atomic(): 0, irqs_disabled(): 0, pid: 1708, name: bash [ 7226.716722] CPU: 1 PID: 1708 Comm: bash Not tainted 4.12.0-rc6+ #1213 [ 7226.716724] Hardware name: Google Kevin (DT) [ 7226.716726] Call trace: [ 7226.716738] [<ffffff8008089928>] dump_backtrace+0x0/0x24c [ 7226.716743] [<ffffff8008089b94>] show_stack+0x20/0x28 [ 7226.716749] [<ffffff8008371370>] dump_stack+0x90/0xb0 [ 7226.716755] [<ffffff80080cd2a0>] ___might_sleep+0x10c/0x124 [ 7226.716760] [<ffffff80080cd330>] __might_sleep+0x78/0x88 [ 7226.716765] [<ffffff800879e210>] mutex_lock+0x2c/0x64 [ 7226.716771] [<ffffff80083ad678>] rockchip_irq_bus_lock+0x30/0x3c [ 7226.716777] [<ffffff80080f6d40>] __irq_get_desc_lock+0x78/0x98 [ 7226.716782] [<ffffff80080f7e6c>] irq_set_irq_wake+0x44/0x12c [ 7226.716787] [<ffffff8008486e18>] dev_pm_arm_wake_irq+0x4c/0x58 [ 7226.716792] [<ffffff800848b80c>] device_wakeup_arm_wake_irqs+0x3c/0x58 [ 7226.716796] [<ffffff80084896fc>] dpm_suspend_noirq+0xf8/0x3a0 [ 7226.716800] [<ffffff80080f1384>] suspend_devices_and_enter+0x1a4/0x9a8 [ 7226.716803] [<ffffff80080f21ec>] pm_suspend+0x664/0x6a4 [ 7226.716807] [<ffffff80080f04d8>] state_store+0xd4/0xf8 ... It was reported on -rc1, and it's still not fixed in -rc6, so it should just be reverted. Cc: John Keeping <[email protected]> Signed-off-by: Brian Norris <[email protected]> Reviewed-by: Heiko Stuebner <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
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I've now submitted the 3D driver upstream: http://lists.freedesktop.org/archives/dri-devel/2015-December/095834.html
This is a merge to get downstream closer to upstream, but without requiring ABI or DT changes.
Remaining differences between upstream and downstream:
I'm currently working on landing the MSAA bits, and I'll try to get a branch together for rebuilding the .debs.