On Tue, Sep 22, 2020 at 09:42:42AM +0200, Yannick Fertre wrote:
> From: Antonio Borneo <antonio.borneo@xxxxxx>
>
> The panel is able to receive commands in LP. The current hack to
> force backlight commands in HS was due to workaround an incorrect
> settings on DSI controller that prevents sending LP commands while
> video out was active.
>
> Remove the hack that forces HS commands.
>
> Changes in v2:
> - Added my signed-off
>
> Signed-off-by: Antonio Borneo <antonio.borneo@xxxxxx>
> Signed-off-by: Yannick Fertre <yannick.fertre@xxxxxx>
Thanks, applied to drm-misc-next.
Sam
> ---
> .../gpu/drm/panel/panel-orisetech-otm8009a.c | 18 ++----------------
> 1 file changed, 2 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
> index 6ac1accade80..f80b44a8a700 100644
> --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
> +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
> @@ -99,20 +99,6 @@ static void otm8009a_dcs_write_buf(struct otm8009a *ctx, const void *data,
> dev_warn(ctx->dev, "mipi dsi dcs write buffer failed\n");
> }
>
> -static void otm8009a_dcs_write_buf_hs(struct otm8009a *ctx, const void *data,
> - size_t len)
> -{
> - struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
> -
> - /* data will be sent in dsi hs mode (ie. no lpm) */
> - dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
> -
> - otm8009a_dcs_write_buf(ctx, data, len);
> -
> - /* restore back the dsi lpm mode */
> - dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> -}
> -
> #define dcs_write_seq(ctx, seq...) \
> ({ \
> static const u8 d[] = { seq }; \
> @@ -400,7 +386,7 @@ static int otm8009a_backlight_update_status(struct backlight_device *bd)
> */
> data[0] = MIPI_DCS_SET_DISPLAY_BRIGHTNESS;
> data[1] = bd->props.brightness;
> - otm8009a_dcs_write_buf_hs(ctx, data, ARRAY_SIZE(data));
> + otm8009a_dcs_write_buf(ctx, data, ARRAY_SIZE(data));
>
> /* set Brightness Control & Backlight on */
> data[1] = 0x24;
> @@ -412,7 +398,7 @@ static int otm8009a_backlight_update_status(struct backlight_device *bd)
>
> /* Update Brightness Control & Backlight */
> data[0] = MIPI_DCS_WRITE_CONTROL_DISPLAY;
> - otm8009a_dcs_write_buf_hs(ctx, data, ARRAY_SIZE(data));
> + otm8009a_dcs_write_buf(ctx, data, ARRAY_SIZE(data));
>
> return 0;
> }
> --
> 2.17.1
>
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