* [PATCH v2] drm/panel: sharp: lq101r1sx01: Send cmds to panel from link2
@ 2015-03-25 6:56 Mark Zhang
[not found] ` <1427266602-31905-1-git-send-email-markz-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Mark Zhang @ 2015-03-25 6:56 UTC (permalink / raw)
To: thierry.reding-Re5JQEeQqe8AvxtiuMwx3w
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA, Mark Zhang
Sharp lq101r1sx01 panel works as left-right gang mode. So link2
should send cmds like "exit sleep mode", "set display on"
to panel as well.
Signed-off-by: Mark Zhang <markz-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | 26 +++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
index 3cce3ca19601..13e67a0ad3d9 100644
--- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
@@ -119,10 +119,18 @@ static int sharp_panel_unprepare(struct drm_panel *panel)
err = mipi_dsi_dcs_set_display_off(sharp->link1);
if (err < 0)
dev_err(panel->dev, "failed to set display off: %d\n", err);
+ err = mipi_dsi_dcs_set_display_off(sharp->link2);
+ if (err < 0)
+ dev_err(panel->dev, "link2: failed to set display off: %d\n",
+ err);
err = mipi_dsi_dcs_enter_sleep_mode(sharp->link1);
if (err < 0)
dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
+ err = mipi_dsi_dcs_enter_sleep_mode(sharp->link2);
+ if (err < 0)
+ dev_err(panel->dev, "link2: failed to enter sleep mode: %d\n",
+ err);
msleep(120);
@@ -193,6 +201,12 @@ static int sharp_panel_prepare(struct drm_panel *panel)
dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);
goto poweroff;
}
+ err = mipi_dsi_dcs_exit_sleep_mode(sharp->link2);
+ if (err < 0) {
+ dev_err(panel->dev, "link2: failed to exit sleep mode: %d\n",
+ err);
+ goto poweroff;
+ }
/*
* The MIPI DCS specification mandates this delay only between the
@@ -222,6 +236,12 @@ static int sharp_panel_prepare(struct drm_panel *panel)
dev_err(panel->dev, "failed to set pixel format: %d\n", err);
goto poweroff;
}
+ err = mipi_dsi_dcs_set_pixel_format(sharp->link2, format);
+ if (err < 0) {
+ dev_err(panel->dev, "link2: failed to set pixel format: %d\n",
+ err);
+ goto poweroff;
+ }
/*
* TODO: The device supports both left-right and even-odd split
@@ -243,6 +263,12 @@ static int sharp_panel_prepare(struct drm_panel *panel)
dev_err(panel->dev, "failed to set display on: %d\n", err);
goto poweroff;
}
+ err = mipi_dsi_dcs_set_display_on(sharp->link2);
+ if (err < 0) {
+ dev_err(panel->dev, "link2: failed to set display on: %d\n",
+ err);
+ goto poweroff;
+ }
sharp->prepared = true;
--
2.1.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2] drm/panel: sharp: lq101r1sx01: Send cmds to panel from link2
[not found] ` <1427266602-31905-1-git-send-email-markz-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
@ 2015-03-25 14:17 ` Stephen Warren
[not found] ` <5512C384.3070803-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Stephen Warren @ 2015-03-25 14:17 UTC (permalink / raw)
To: Mark Zhang, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA
On 03/25/2015 12:56 AM, Mark Zhang wrote:
> Sharp lq101r1sx01 panel works as left-right gang mode. So link2
> should send cmds like "exit sleep mode", "set display on"
> to panel as well.
What's the changelog v1->v2?
I expect you should CC the DRM list and maintainer too?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] drm/panel: sharp: lq101r1sx01: Send cmds to panel from link2
[not found] ` <5512C384.3070803-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
@ 2015-03-26 1:12 ` Mark Zhang
0 siblings, 0 replies; 3+ messages in thread
From: Mark Zhang @ 2015-03-26 1:12 UTC (permalink / raw)
To: Stephen Warren, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA
I've talked with Thierry about this. The patch doesn't make sense for
now. So please ignore it, thanks Stephen/Thierry.
Mark
On 03/25/2015 10:17 PM, Stephen Warren wrote:
> On 03/25/2015 12:56 AM, Mark Zhang wrote:
>> Sharp lq101r1sx01 panel works as left-right gang mode. So link2
>> should send cmds like "exit sleep mode", "set display on"
>> to panel as well.
>
> What's the changelog v1->v2?
>
> I expect you should CC the DRM list and maintainer too?
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2015-03-26 1:12 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2015-03-25 6:56 [PATCH v2] drm/panel: sharp: lq101r1sx01: Send cmds to panel from link2 Mark Zhang
[not found] ` <1427266602-31905-1-git-send-email-markz-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-03-25 14:17 ` Stephen Warren
[not found] ` <5512C384.3070803-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-03-26 1:12 ` Mark Zhang
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