* [PATCH] ARM: tegra: Allocate 64 MiB for CMA by default
@ 2014-03-03 15:31 Thierry Reding
[not found] ` <1393860668-31996-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Thierry Reding @ 2014-03-03 15:31 UTC (permalink / raw
To: Stephen Warren; +Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA
From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
The default size of 16 MiB reserved for CMA is not enough for the
majority of use-cases, so set it to something more sensible.
Note that users can still override this via the cma kernel command-line
argument, which takes precendence over the default specified in the
kernel configuration file.
Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
arch/arm/configs/tegra_defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig
index 81a325eda7b7..5bc752c6d732 100644
--- a/arch/arm/configs/tegra_defconfig
+++ b/arch/arm/configs/tegra_defconfig
@@ -88,6 +88,7 @@ CONFIG_DEVTMPFS_MOUNT=y
CONFIG_EXTRA_FIRMWARE="nouveau/nvea_fuc409c nouveau/nvea_fuc409d nouveau/nvea_fuc41ac nouveau/nvea_fuc41ad vic03_ucode.bin gk20a.bin"
CONFIG_DMA_BUF_TEST=y
CONFIG_DMA_CMA=y
+CONFIG_CMA_SIZE_MBYTES=64
CONFIG_MTD=y
CONFIG_MTD_M25P80=y
CONFIG_PROC_DEVICETREE=y
--
1.8.4.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: tegra: Allocate 64 MiB for CMA by default
[not found] ` <1393860668-31996-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
@ 2014-03-03 17:43 ` Stephen Warren
0 siblings, 0 replies; 2+ messages in thread
From: Stephen Warren @ 2014-03-03 17:43 UTC (permalink / raw
To: Thierry Reding; +Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA
On 03/03/2014 08:31 AM, Thierry Reding wrote:
> From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
>
> The default size of 16 MiB reserved for CMA is not enough for the
> majority of use-cases, so set it to something more sensible.
>
> Note that users can still override this via the cma kernel command-line
> argument, which takes precendence over the default specified in the
> kernel configuration file.
I've squashed this into Tegra's for-3.15/defconfig branch.
BTW, Tegra patches should probably be CC'd to the ARM kernel list as
well, just so people are aware.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-03-03 15:31 [PATCH] ARM: tegra: Allocate 64 MiB for CMA by default Thierry Reding
[not found] ` <1393860668-31996-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-03-03 17:43 ` Stephen Warren
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