* [PATCH] drm/tidss: Set max DMA segment size
@ 2022-08-23 0:16 Andrew Davis
2022-11-09 17:40 ` Andrew Davis
2022-12-16 8:17 ` Tomi Valkeinen
0 siblings, 2 replies; 3+ messages in thread
From: Andrew Davis @ 2022-08-23 0:16 UTC (permalink / raw)
To: David Airlie, Daniel Vetter, Tomi Valkeinen, Jyri Sarha,
dri-devel, linux-kernel
Cc: Andrew Davis
We have no segment size limitations. Set to unlimited.
Signed-off-by: Andrew Davis <afd@ti.com>
---
drivers/gpu/drm/tidss/tidss_dispc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
index dd3c6a606ae2..624545e4636c 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -2685,6 +2685,7 @@ int dispc_init(struct tidss_device *tidss)
if (r)
dev_warn(dev, "cannot set DMA masks to 48-bit\n");
}
+ dma_set_max_seg_size(dev, UINT_MAX);
dispc = devm_kzalloc(dev, sizeof(*dispc), GFP_KERNEL);
if (!dispc)
--
2.36.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] drm/tidss: Set max DMA segment size
2022-08-23 0:16 [PATCH] drm/tidss: Set max DMA segment size Andrew Davis
@ 2022-11-09 17:40 ` Andrew Davis
2022-12-16 8:17 ` Tomi Valkeinen
1 sibling, 0 replies; 3+ messages in thread
From: Andrew Davis @ 2022-11-09 17:40 UTC (permalink / raw)
To: David Airlie, Daniel Vetter, Tomi Valkeinen, Jyri Sarha,
dri-devel, linux-kernel
On 8/22/22 7:16 PM, Andrew Davis wrote:
> We have no segment size limitations. Set to unlimited.
>
> Signed-off-by: Andrew Davis <afd@ti.com>
> ---
Ping, still valid.
Andrew
> drivers/gpu/drm/tidss/tidss_dispc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
> index dd3c6a606ae2..624545e4636c 100644
> --- a/drivers/gpu/drm/tidss/tidss_dispc.c
> +++ b/drivers/gpu/drm/tidss/tidss_dispc.c
> @@ -2685,6 +2685,7 @@ int dispc_init(struct tidss_device *tidss)
> if (r)
> dev_warn(dev, "cannot set DMA masks to 48-bit\n");
> }
> + dma_set_max_seg_size(dev, UINT_MAX);
>
> dispc = devm_kzalloc(dev, sizeof(*dispc), GFP_KERNEL);
> if (!dispc)
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] drm/tidss: Set max DMA segment size
2022-08-23 0:16 [PATCH] drm/tidss: Set max DMA segment size Andrew Davis
2022-11-09 17:40 ` Andrew Davis
@ 2022-12-16 8:17 ` Tomi Valkeinen
1 sibling, 0 replies; 3+ messages in thread
From: Tomi Valkeinen @ 2022-12-16 8:17 UTC (permalink / raw)
To: Andrew Davis, David Airlie, Daniel Vetter, Jyri Sarha, dri-devel,
linux-kernel
On 23/08/2022 03:16, Andrew Davis wrote:
> We have no segment size limitations. Set to unlimited.
>
> Signed-off-by: Andrew Davis <afd@ti.com>
> ---
> drivers/gpu/drm/tidss/tidss_dispc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
> index dd3c6a606ae2..624545e4636c 100644
> --- a/drivers/gpu/drm/tidss/tidss_dispc.c
> +++ b/drivers/gpu/drm/tidss/tidss_dispc.c
> @@ -2685,6 +2685,7 @@ int dispc_init(struct tidss_device *tidss)
> if (r)
> dev_warn(dev, "cannot set DMA masks to 48-bit\n");
> }
> + dma_set_max_seg_size(dev, UINT_MAX);
>
> dispc = devm_kzalloc(dev, sizeof(*dispc), GFP_KERNEL);
> if (!dispc)
Thanks, I'll apply to drm-misc.
Tomi
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-08-23 0:16 [PATCH] drm/tidss: Set max DMA segment size Andrew Davis
2022-11-09 17:40 ` Andrew Davis
2022-12-16 8:17 ` Tomi Valkeinen
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