diff options
| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-05-18 11:59:21 +0300 |
|---|---|---|
| committer | Sebastien Jan <s-jan@ti.com> | 2011-10-10 15:07:02 +0200 |
| commit | ffa7002ce196cfd6b27f2ed0b08e2646ac289fbe (patch) | |
| tree | a3efee6f94d1c8cd87859ceeef1c64c9ce1ea3ec /drivers | |
| parent | 8984a28c3c149e5aa7a599bb59a305dce335214e (diff) | |
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')
| -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 77c6f4717e01..13b34abaa136 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c @@ -289,7 +289,8 @@ 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 da7215f949a5..47cbcdd680ed 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( |