diff mbox

[v5,03/10] OMAP4 : DSS2 : HDMI: Dispc gamma enable set/reset function for TV.

Message ID 1299753858-12222-4-git-send-email-mythripk@ti.com (mailing list archive)
State New, archived
Delegated to: Tomi Valkeinen
Headers show

Commit Message

K, Mythri P March 10, 2011, 10:44 a.m. UTC
None

Comments

Laurent Pinchart May 5, 2011, 1:50 p.m. UTC | #1
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@ti.com>
> ---
>  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,
diff mbox

Patch

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);
+}
+
 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,