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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-05-18 10:59:21 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-07-01 11:06:43 +0200 |
| commit | 525dae613638320c880afcc0d8d6dd27141fc4e4 (patch) | |
| tree | d4e863cef4a21775576ae6896a1e18ee50059399 /drivers/video | |
| parent | OMAP: DSS2: Reset LANEx_ULPS_SIG2 bits after use (diff) | |
| download | linux-525dae613638320c880afcc0d8d6dd27141fc4e4.tar.xz linux-525dae613638320c880afcc0d8d6dd27141fc4e4.zip | |
OMAP: DSS2: Add FEAT_VENC_REQUIRES_TV_DAC_CLK
OMAP3430 requires an 96MHz clock to VENC's DAC, but no other OMAP needs
it.
Add a new feature, FEAT_VENC_REQUIRES_TV_DAC_CLK, which tells if the
clock is needed on this platform, and use that feature in venc.c to
decide if the clock needs enabling.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/omap2/dss/dss_features.c | 3 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss_features.h | 1 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/venc.c | 16 |
3 files changed, 13 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c index 1c18888e5df3..a588380eec22 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c @@ -286,7 +286,8 @@ static const struct omap_dss_features omap3430_dss_features = { FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE | FEAT_FUNCGATED | FEAT_ROWREPEATENABLE | FEAT_LINEBUFFERSPLIT | FEAT_RESIZECONF | - FEAT_DSI_PLL_FREQSEL | FEAT_DSI_REVERSE_TXCLKESC, + FEAT_DSI_PLL_FREQSEL | FEAT_DSI_REVERSE_TXCLKESC | + FEAT_VENC_REQUIRES_TV_DAC_CLK, .num_mgrs = 2, .num_ovls = 3, diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h index 07b346f7d916..3058e24946ad 100644 --- a/drivers/video/omap2/dss/dss_features.h +++ b/drivers/video/omap2/dss/dss_features.h @@ -51,6 +51,7 @@ enum dss_feat_id { FEAT_HDMI_CTS_SWMODE = 1 << 19, FEAT_HANDLE_UV_SEPARATE = 1 << 20, FEAT_ATTR2 = 1 << 21, + FEAT_VENC_REQUIRES_TV_DAC_CLK = 1 << 22, }; /* DSS register field id */ diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index e7485fc41fca..bf0431f788c1 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -38,6 +38,7 @@ #include <plat/cpu.h> #include "dss.h" +#include "dss_features.h" /* Venc registers */ #define VENC_REV_ID 0x00 @@ -382,12 +383,15 @@ static void venc_reset(void) static void venc_enable_clocks(int enable) { - if (enable) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK | - DSS_CLK_VIDFCK); - else - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK | - DSS_CLK_VIDFCK); + if (enable) { + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK); + if (dss_has_feature(FEAT_VENC_REQUIRES_TV_DAC_CLK)) + dss_clk_enable(DSS_CLK_VIDFCK); + } else { + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK); + if (dss_has_feature(FEAT_VENC_REQUIRES_TV_DAC_CLK)) + dss_clk_disable(DSS_CLK_VIDFCK); + } } static const struct venc_config *venc_timings_to_config( |