[stable 4.19][PATCH 1/4] ARM: dts: am4372: Set memory bandwidth limit for DISPC

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Mathieu Poirier

15 Oct 2019 15 Oct '19

6:59 a.m.

From: Peter Ujfalusi peter.ujfalusi@ti.com

commit f90ec6cdf674248dcad85bf9af6e064bf472b841 upstream

Set memory bandwidth limit to filter out resolutions above 720p@60Hz to avoid underflow errors due to the bandwidth needs of higher resolutions.

am43xx can not provide enough bandwidth to DISPC to correctly handle 'high' resolutions.

Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com Signed-off-by: Tomi Valkeinen tomi.valkeinen@ti.com Signed-off-by: Tony Lindgren tony@atomide.com Cc: stable stable@vger.kernel.org # 4.19 Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org --- arch/arm/boot/dts/am4372.dtsi | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index d4b7c59eec68..cf1e4f747242 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -1142,6 +1142,8 @@ ti,hwmods = "dss_dispc"; clocks = <&disp_clk>; clock-names = "fck"; + + max-memory-bandwidth = <230000000>; };

rfbi: rfbi@4832a800 {

-- 2.17.1

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Mathieu Poirier

15 Oct 15 Oct

6:59 a.m.

New subject: [stable 4.19][PATCH 2/4] ASoC: pcm3168a: The codec does not support S32_LE

From: Peter Ujfalusi peter.ujfalusi@ti.com

commit 7b2db65b59c30d58c129d3c8b2101feca686155a upstream

24 bits is supported in all modes and 16 bit only when the codec is slave and the DAI is set to RIGHT_J.

Remove the unsupported sample format.

Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com Link: https://lore.kernel.org/r/20190919071652.31724-1-peter.ujfalusi@ti.com Signed-off-by: Mark Brown broonie@kernel.org Cc: stable stable@vger.kernel.org # 4.19 Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org --- sound/soc/codecs/pcm3168a.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index e3de1ff3b6c2..439e40245bb0 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -24,8 +24,7 @@

#define PCM3168A_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S24_3LE | \ - SNDRV_PCM_FMTBIT_S24_LE | \ - SNDRV_PCM_FMTBIT_S32_LE) + SNDRV_PCM_FMTBIT_S24_LE)

#define PCM3168A_FMT_I2S 0x0 #define PCM3168A_FMT_LEFT_J 0x1

-- 2.17.1

Mathieu Poirier

6:59 a.m.

New subject: [stable 4.19][PATCH 3/4] arm64: dts: ti: k3-am65-main: Fix gic-its node unit-address

From: Suman Anna s-anna@ti.com

commit 389ce1a7c5279ebfb682fab220b4021b2bd49c8b upstream

The gic-its node unit-address has an additional zero compared to the actual reg value. Fix it.

Fixes: ea47eed33a3f ("arm64: dts: ti: Add Support for AM654 SoC") Reported-by: Robert Tivy rtivy@ti.com Signed-off-by: Suman Anna s-anna@ti.com Signed-off-by: Tero Kristo t-kristo@ti.com Cc: stable stable@vger.kernel.org # 4.19 Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 2409344df4fa..e23c5762355d 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -21,7 +21,7 @@ */ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;

- gic_its: gic-its@18200000 { + gic_its: gic-its@1820000 { compatible = "arm,gic-v3-its"; reg = <0x01820000 0x10000>; msi-controller;

-- 2.17.1

Mathieu Poirier

6:59 a.m.

New subject: [stable 4.19][PATCH 4/4] usb: gadget: udc: core: Fix segfault if udc_bind_to_driver() for pending driver fails

From: Roger Quadros rogerq@ti.com

commit 163be6ff7739b12ff300d77897d340f661821da2 upstream

If a gadget driver is in the pending drivers list, a UDC becomes available and udc_bind_to_driver() fails, then it gets deleted from the pending list. i.e. list_del(&driver->pending) in check_pending_gadget_drivers().

Then if that gadget driver is unregistered, usb_gadget_unregister_driver() does a list_del(&driver->pending) again thus causing a page fault as that list entry has been poisoned by the previous list_del().

Fix this by using list_del_init() instead of list_del() in check_pending_gadget_drivers().

Test case:

- Make sure no UDC is available - modprobe g_mass_storage file=wrongfile - Load UDC driver so it becomes available lun0: unable to open backing file: wrongfile - modprobe -r g_mass_storage

[ 60.900431] Unable to handle kernel paging request at virtual address dead000000000108 [ 60.908346] Mem abort info: [ 60.911145] ESR = 0x96000044 [ 60.914227] Exception class = DABT (current EL), IL = 32 bits [ 60.920162] SET = 0, FnV = 0 [ 60.923217] EA = 0, S1PTW = 0 [ 60.926354] Data abort info: [ 60.929228] ISV = 0, ISS = 0x00000044 [ 60.933058] CM = 0, WnR = 1 [ 60.936011] [dead000000000108] address between user and kernel address ranges [ 60.943136] Internal error: Oops: 96000044 [#1] PREEMPT SMP [ 60.948691] Modules linked in: g_mass_storage(-) usb_f_mass_storage libcomposite xhci_plat_hcd xhci_hcd usbcore ti_am335x_adc kfifo_buf omap_rng cdns3 rng_core udc_core crc32_ce xfrm_user crct10dif_ce snd_so6 [ 60.993995] Process modprobe (pid: 834, stack limit = 0x00000000c2aebc69) [ 61.000765] CPU: 0 PID: 834 Comm: modprobe Not tainted 4.19.59-01963-g065f42a60499 #92 [ 61.008658] Hardware name: Texas Instruments SoC (DT) [ 61.014472] pstate: 60000005 (nZCv daif -PAN -UAO) [ 61.019253] pc : usb_gadget_unregister_driver+0x7c/0x108 [udc_core] [ 61.025503] lr : usb_gadget_unregister_driver+0x30/0x108 [udc_core] [ 61.031750] sp : ffff00001338fda0 [ 61.035049] x29: ffff00001338fda0 x28: ffff800846d40000 [ 61.040346] x27: 0000000000000000 x26: 0000000000000000 [ 61.045642] x25: 0000000056000000 x24: 0000000000000800 [ 61.050938] x23: ffff000008d7b0d0 x22: ffff0000088b07c8 [ 61.056234] x21: ffff000001100000 x20: ffff000002020260 [ 61.061530] x19: ffff0000010ffd28 x18: 0000000000000000 [ 61.066825] x17: 0000000000000000 x16: 0000000000000000 [ 61.072121] x15: 0000000000000000 x14: 0000000000000000 [ 61.077417] x13: ffff000000000000 x12: ffffffffffffffff [ 61.082712] x11: 0000000000000030 x10: 7f7f7f7f7f7f7f7f [ 61.088008] x9 : fefefefefefefeff x8 : 0000000000000000 [ 61.093304] x7 : ffffffffffffffff x6 : 000000000000ffff [ 61.098599] x5 : 8080000000000000 x4 : 0000000000000000 [ 61.103895] x3 : ffff000001100020 x2 : ffff800846d40000 [ 61.109190] x1 : dead000000000100 x0 : dead000000000200 [ 61.114486] Call trace: [ 61.116922] usb_gadget_unregister_driver+0x7c/0x108 [udc_core] [ 61.122828] usb_composite_unregister+0x10/0x18 [libcomposite] [ 61.128643] msg_cleanup+0x18/0xfce0 [g_mass_storage] [ 61.133682] __arm64_sys_delete_module+0x17c/0x1f0 [ 61.138458] el0_svc_common+0x90/0x158 [ 61.142192] el0_svc_handler+0x2c/0x80 [ 61.145926] el0_svc+0x8/0xc [ 61.148794] Code: eb03003f d10be033 54ffff21 a94d0281 (f9000420) [ 61.154869] ---[ end trace afb22e9b637bd9a7 ]--- Segmentation fault

Acked-by: Alan Stern stern@rowland.harvard.edu Signed-off-by: Roger Quadros rogerq@ti.com Signed-off-by: Felipe Balbi felipe.balbi@linux.intel.com Cc: stable stable@vger.kernel.org # 4.19 Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org --- drivers/usb/gadget/udc/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index af88b48c1cea..b564a3251923 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1138,7 +1138,7 @@ static int check_pending_gadget_drivers(struct usb_udc *udc) dev_name(&udc->dev)) == 0) { ret = udc_bind_to_driver(udc, driver); if (ret != -EPROBE_DEFER) - list_del(&driver->pending); + list_del_init(&driver->pending); break; }

-- 2.17.1