Hi Mythri,
Sorry for the late reply, I've only noticed this issue today.
On Thursday 10 March 2011 11:44:11 Mythri P K wrote:
> Adding function to reset/set gamma table bit for TV interface
> currentl only support for disabled is added.
>
> Signed-off-by: Mythri P K <mythripk@xxxxxx>
> ---
> drivers/video/omap2/dss/dispc.c | 13 +++++++++++++
> drivers/video/omap2/dss/dss.h | 1 +
> 2 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/video/omap2/dss/dispc.c
> b/drivers/video/omap2/dss/dispc.c index b8c576a..9b86f5f 100644
> --- a/drivers/video/omap2/dss/dispc.c
> +++ b/drivers/video/omap2/dss/dispc.c
> @@ -1008,6 +1008,19 @@ void dispc_set_burst_size(enum omap_plane plane,
> enable_clocks(0);
> }
>
> +void dispc_enable_gamma_table(bool enable)
> +{
> + /* This is partially implemented to support only
> + * disabling of the gamma table.
> + */
> + if (enable) {
> + DSSWARN("Gamma table enabling for TV not yet supported");
> + return;
> + }
> +
> + REG_FLD_MOD(DISPC_CONFIG, enable, 9, 9);
Bit 9 in the DISPC_CONFIG register is as FUNCGATED for the OMAP3. From a quick
glance at the OMAP36xx and OMAP4430 public TRMs, that's the only DISPC_CONFIG
bit that has been changed between OMAP3 and OMAP4.
> +}
> +
> static void _dispc_set_vid_color_conv(enum omap_plane plane, bool enable)
> {
> u32 val;
> diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
> index c2c0fcf..9f563a6 100644
> --- a/drivers/video/omap2/dss/dss.h
> +++ b/drivers/video/omap2/dss/dss.h
> @@ -376,6 +376,7 @@ void dispc_set_plane_size(enum omap_plane plane, u16
> width, u16 height); void dispc_set_channel_out(enum omap_plane plane,
> enum omap_channel channel_out);
>
> +void dispc_enable_gamma_table(bool enable);
> int dispc_setup_plane(enum omap_plane plane,
> u32 paddr, u16 screen_width,
> u16 pos_x, u16 pos_y,
--
Regards,
Laurent Pinchart
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