stable.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode
@ 2023-03-30  9:31 Francesco Dolcini
  2023-03-30  9:40 ` Robert Foss
  2023-04-03 12:32 ` rfoss
  0 siblings, 2 replies; 3+ messages in thread
From: Francesco Dolcini @ 2023-03-30  9:31 UTC (permalink / raw)
  To: Adrien Grassein, Andrzej Hajda, Neil Armstrong, Robert Foss,
	Laurent Pinchart, Jonas Karlman, Jernej Skrabec, David Airlie,
	Daniel Vetter, dri-devel
  Cc: Francesco Dolcini, linux-kernel, stable

From: Francesco Dolcini <francesco.dolcini@toradex.com>

LT8912 DSI port supports only Non-Burst mode video operation with Sync
Events and continuous clock on clock lane, correct dsi mode flags
according to that removing MIPI_DSI_MODE_VIDEO_BURST flag.

Cc: <stable@vger.kernel.org>
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
 drivers/gpu/drm/bridge/lontium-lt8912b.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
index b40baced1331..13c131ade268 100644
--- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
+++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
@@ -504,7 +504,6 @@ static int lt8912_attach_dsi(struct lt8912 *lt)
 	dsi->format = MIPI_DSI_FMT_RGB888;
 
 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
-			  MIPI_DSI_MODE_VIDEO_BURST |
 			  MIPI_DSI_MODE_LPM |
 			  MIPI_DSI_MODE_NO_EOT_PACKET;
 
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode
  2023-03-30  9:31 [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode Francesco Dolcini
@ 2023-03-30  9:40 ` Robert Foss
  2023-04-03 12:32 ` rfoss
  1 sibling, 0 replies; 3+ messages in thread
From: Robert Foss @ 2023-03-30  9:40 UTC (permalink / raw)
  To: Francesco Dolcini
  Cc: Adrien Grassein, Andrzej Hajda, Neil Armstrong, Laurent Pinchart,
	Jonas Karlman, Jernej Skrabec, David Airlie, Daniel Vetter,
	dri-devel, Francesco Dolcini, linux-kernel, stable

On Thu, Mar 30, 2023 at 11:31 AM Francesco Dolcini <francesco@dolcini.it> wrote:
>
> From: Francesco Dolcini <francesco.dolcini@toradex.com>
>
> LT8912 DSI port supports only Non-Burst mode video operation with Sync
> Events and continuous clock on clock lane, correct dsi mode flags
> according to that removing MIPI_DSI_MODE_VIDEO_BURST flag.
>
> Cc: <stable@vger.kernel.org>
> Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
> Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
> ---
>  drivers/gpu/drm/bridge/lontium-lt8912b.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> index b40baced1331..13c131ade268 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> @@ -504,7 +504,6 @@ static int lt8912_attach_dsi(struct lt8912 *lt)
>         dsi->format = MIPI_DSI_FMT_RGB888;
>
>         dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
> -                         MIPI_DSI_MODE_VIDEO_BURST |
>                           MIPI_DSI_MODE_LPM |
>                           MIPI_DSI_MODE_NO_EOT_PACKET;
>
> --
> 2.25.1
>

Letting this sleep for a few days before applying.

Reviewed-by: Robert Foss <rfoss@kernel.org>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode
  2023-03-30  9:31 [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode Francesco Dolcini
  2023-03-30  9:40 ` Robert Foss
@ 2023-04-03 12:32 ` rfoss
  1 sibling, 0 replies; 3+ messages in thread
From: rfoss @ 2023-04-03 12:32 UTC (permalink / raw)
  To: Neil Armstrong, Francesco Dolcini, Laurent Pinchart,
	Jonas Karlman, Andrzej Hajda, dri-devel, Adrien Grassein,
	Daniel Vetter, Jernej Skrabec, David Airlie
  Cc: Robert Foss, Francesco Dolcini, linux-kernel, stable

From: Robert Foss <rfoss@kernel.org>

On Thu, 30 Mar 2023 11:31:31 +0200, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@toradex.com>
> 
> LT8912 DSI port supports only Non-Burst mode video operation with Sync
> Events and continuous clock on clock lane, correct dsi mode flags
> according to that removing MIPI_DSI_MODE_VIDEO_BURST flag.
> 
> 
> [...]

Applied, thanks!

Repo: https://cgit.freedesktop.org/drm/drm-misc/


[1/1] drm/bridge: lt8912b: Fix DSI Video Mode
      commit: f435b7ef3b360d689df2ffa8326352cd07940d92



Rob


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-04-03 12:32 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-03-30  9:31 [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode Francesco Dolcini
2023-03-30  9:40 ` Robert Foss
2023-04-03 12:32 ` rfoss

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).