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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-01-13 16:41:31 (GMT) |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-03-03 15:36:42 (GMT) |
| commit | 3a38ed53bebd1c14925a711123c911e07dd11adf (patch) | |
| tree | 1acaf788c0de763a0a3dd80dab77a23e04163429 | |
| parent | 61f3c40b489c7f3ca2f844e6513c1abd08e66a93 (diff) | |
| download | linux-3a38ed53bebd1c14925a711123c911e07dd11adf.tar.xz | |
drm/omap: DISPC: support double-pixel mode
We need double-pixel mode (pixel repetition) for interlace modes. This
patch adds the necessary support to DISPC to output double-pixel mode.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dispc.c | 8 | ||||
| -rw-r--r-- | include/video/omapdss.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 6b50476..1e7f269 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -104,6 +104,8 @@ struct dispc_features { bool supports_sync_align:1; bool has_writeback:1; + + bool supports_double_pixel:1; }; #define DISPC_MAX_NR_FIFOS 5 @@ -3287,6 +3289,10 @@ void dispc_mgr_set_timings(enum omap_channel channel, } else { if (t.interlace) t.y_res /= 2; + + if (dispc.feat->supports_double_pixel) + REG_FLD_MOD(DISPC_CONTROL, t.double_pixel ? 1 : 0, + 19, 17); } dispc_mgr_set_size(channel, t.x_res, t.y_res); @@ -3951,6 +3957,7 @@ static const struct dispc_features omap44xx_dispc_feats = { .set_max_preload = true, .supports_sync_align = true, .has_writeback = true, + .supports_double_pixel = true, }; static const struct dispc_features omap54xx_dispc_feats = { @@ -3974,6 +3981,7 @@ static const struct dispc_features omap54xx_dispc_feats = { .set_max_preload = true, .supports_sync_align = true, .has_writeback = true, + .supports_double_pixel = true, }; static int dispc_init_features(struct platform_device *pdev) diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 86f28a9..6c1a3e1 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -367,6 +367,8 @@ struct omap_video_timings { enum omap_dss_signal_level de_level; /* Pixel clock edges to drive HSYNC and VSYNC signals */ enum omap_dss_signal_edge sync_pclk_edge; + + bool double_pixel; }; /* Hardcoded timings for tv modes. Venc only uses these to |