2023-03-30 09:36:31

by Francesco Dolcini

Subject: [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode

From: Francesco Dolcini <[email protected]>

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: <[email protected]>
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Signed-off-by: Francesco Dolcini <[email protected]>
---
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

2023-03-30 09:45:40

by Robert Foss

Subject: Re: [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode

On Thu, Mar 30, 2023 at 11:31 AM Francesco Dolcini <[email protected]> wrote:
>
> From: Francesco Dolcini <[email protected]>
>
> 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: <[email protected]>
> Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
> Signed-off-by: Francesco Dolcini <[email protected]>
> ---
> 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 <[email protected]>

2023-04-03 12:35:13

by Robert Foss

Subject: Re: [PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode

From: Robert Foss <[email protected]>

On Thu, 30 Mar 2023 11:31:31 +0200, Francesco Dolcini wrote:
> From: Francesco Dolcini <[email protected]>
>
> 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