diff options
| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-01-13 19:41:39 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-03-03 18:36:43 +0300 |
| commit | 14ac59349c04caedb53a75c85d19cf7d68992748 (patch) | |
| tree | c0d219659a75aadf7ec3359401987d8bfa53cffb /drivers/gpu | |
| parent | 711445cfe4be8b3b7203f7634452787f48165aff (diff) | |
| download | linux-14ac59349c04caedb53a75c85d19cf7d68992748.tar.xz | |
drm/omap: HDMI5: Add interlace support
Add the missing bits for interlace:
* Set VBLANK_OSC if the videomode's vblank is fractional
* Halve the vertical timings for interlace
* Double the horizontal timings for double-pixel mode
* Set FC_PRCONF properly for double-pixel mode
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi5_core.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c index 947edb9d4275..6a397520cae5 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c @@ -298,10 +298,30 @@ static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg, video_cfg->data_enable_pol = 1; /* It is always 1*/ video_cfg->hblank = cfg->timings.hfp + cfg->timings.hbp + cfg->timings.hsw; - video_cfg->vblank_osc = 0; /* Always 0 - need to confirm */ + video_cfg->vblank_osc = 0; video_cfg->vblank = cfg->timings.vsw + cfg->timings.vfp + cfg->timings.vbp; video_cfg->v_fc_config.hdmi_dvi_mode = cfg->hdmi_dvi_mode; + + if (cfg->timings.interlace) { + /* set vblank_osc if vblank is fractional */ + if (video_cfg->vblank % 2 != 0) + video_cfg->vblank_osc = 1; + + video_cfg->v_fc_config.timings.y_res /= 2; + video_cfg->vblank /= 2; + video_cfg->v_fc_config.timings.vfp /= 2; + video_cfg->v_fc_config.timings.vsw /= 2; + video_cfg->v_fc_config.timings.vbp /= 2; + } + + if (cfg->timings.double_pixel) { + video_cfg->v_fc_config.timings.x_res *= 2; + video_cfg->hblank *= 2; + video_cfg->v_fc_config.timings.hfp *= 2; + video_cfg->v_fc_config.timings.hsw *= 2; + video_cfg->v_fc_config.timings.hbp *= 2; + } } /* DSS_HDMI_CORE_VIDEO_CONFIG */ @@ -368,6 +388,11 @@ static void hdmi_core_video_config(struct hdmi_core_data *core, /* select DVI mode */ REG_FLD_MOD(base, HDMI_CORE_FC_INVIDCONF, cfg->v_fc_config.hdmi_dvi_mode, 3, 3); + + if (cfg->v_fc_config.timings.double_pixel) + REG_FLD_MOD(base, HDMI_CORE_FC_PRCONF, 2, 7, 4); + else + REG_FLD_MOD(base, HDMI_CORE_FC_PRCONF, 1, 7, 4); } static void hdmi_core_config_video_packetizer(struct hdmi_core_data *core) |