* [PATCH v1] drm/bridge: fix AUX_CMD_SEND bit value for ti, sn65dsi86 bridge
@ 2018-11-30 9:27 Sandeep Panda
[not found] ` <20181130092745.4219-1-spanda-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Sandeep Panda @ 2018-11-30 9:27 UTC (permalink / raw)
To: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW,
linux-arm-msm-u79uwXL29TY76Z2rM5mHXA,
freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW,
devicetree-u79uwXL29TY76Z2rM5mHXA
Cc: ryadav-sgV2jX0FEOL9JmXXK+q4OQ, Sandeep Panda,
abhinavk-sgV2jX0FEOL9JmXXK+q4OQ,
robdclark-Re5JQEeQqe8AvxtiuMwx3w, nganji-sgV2jX0FEOL9JmXXK+q4OQ,
seanpaul-F7+t8E8rja9g9hUCZPvPmw,
hoegsberg-F7+t8E8rja9g9hUCZPvPmw, jsanka-sgV2jX0FEOL9JmXXK+q4OQ,
chandanu-sgV2jX0FEOL9JmXXK+q4OQ
Fix the AUX_CMD_SEND bit for ti,sn65dsi86 bridge chip. With wrong
value the dpcd aux transactions with eDP panel are failing.
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
---
drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 680566d97adcf..10243965ee7c0 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -54,7 +54,7 @@
#define SN_AUX_ADDR_7_0_REG 0x76
#define SN_AUX_LENGTH_REG 0x77
#define SN_AUX_CMD_REG 0x78
-#define AUX_CMD_SEND BIT(1)
+#define AUX_CMD_SEND BIT(0)
#define AUX_CMD_REQ(x) ((x) << 4)
#define SN_AUX_RDATA_REG(x) (0x79 + (x))
#define SN_SSC_CONFIG_REG 0x93
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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Freedreno@lists.freedesktop.org
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v1] drm/bridge: fix AUX_CMD_SEND bit value for ti, sn65dsi86 bridge
[not found] ` <20181130092745.4219-1-spanda-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
@ 2018-11-30 15:49 ` Sean Paul
0 siblings, 0 replies; 2+ messages in thread
From: Sean Paul @ 2018-11-30 15:49 UTC (permalink / raw)
To: Sandeep Panda
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA, ryadav-sgV2jX0FEOL9JmXXK+q4OQ,
linux-arm-msm-u79uwXL29TY76Z2rM5mHXA,
abhinavk-sgV2jX0FEOL9JmXXK+q4OQ,
robdclark-Re5JQEeQqe8AvxtiuMwx3w, nganji-sgV2jX0FEOL9JmXXK+q4OQ,
seanpaul-F7+t8E8rja9g9hUCZPvPmw,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW,
hoegsberg-F7+t8E8rja9g9hUCZPvPmw,
freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW,
jsanka-sgV2jX0FEOL9JmXXK+q4OQ, chandanu-sgV2jX0FEOL9JmXXK+q4OQ
On Fri, Nov 30, 2018 at 02:57:45PM +0530, Sandeep Panda wrote:
> Fix the AUX_CMD_SEND bit for ti,sn65dsi86 bridge chip. With wrong
> value the dpcd aux transactions with eDP panel are failing.
>
> Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
Pushed to -misc-fixes, thanks for the patch
Sean
> ---
> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 680566d97adcf..10243965ee7c0 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -54,7 +54,7 @@
> #define SN_AUX_ADDR_7_0_REG 0x76
> #define SN_AUX_LENGTH_REG 0x77
> #define SN_AUX_CMD_REG 0x78
> -#define AUX_CMD_SEND BIT(1)
> +#define AUX_CMD_SEND BIT(0)
> #define AUX_CMD_REQ(x) ((x) << 4)
> #define SN_AUX_RDATA_REG(x) (0x79 + (x))
> #define SN_SSC_CONFIG_REG 0x93
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
> _______________________________________________
> Freedreno mailing list
> Freedreno@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/freedreno
--
Sean Paul, Software Engineer, Google / Chromium OS
_______________________________________________
Freedreno mailing list
Freedreno@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/freedreno
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2018-11-30 9:27 [PATCH v1] drm/bridge: fix AUX_CMD_SEND bit value for ti, sn65dsi86 bridge Sandeep Panda
[not found] ` <20181130092745.4219-1-spanda-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-11-30 15:49 ` Sean Paul
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