diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/omap2/dss/dispc.c | 28 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.h | 2 |
2 files changed, 27 insertions, 3 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 4d8e04583873..9f083a952747 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -2482,13 +2482,15 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi, } int dispc_wb_setup(const struct omap_dss_writeback_info *wi, - const struct omap_video_timings *mgr_timings) + bool mem_to_mem, const struct omap_video_timings *mgr_timings) { int r; + u32 l; enum omap_plane plane = OMAP_DSS_WB; const int pos_x = 0, pos_y = 0; const u8 zorder = 0, global_alpha = 0; const bool replication = false; + bool truncation; int in_width = mgr_timings->x_res; int in_height = mgr_timings->y_res; enum omap_overlay_caps caps = @@ -2503,7 +2505,29 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi, wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width, wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder, wi->pre_mult_alpha, global_alpha, wi->rotation_type, - replication, mgr_timings, false); + replication, mgr_timings, mem_to_mem); + + switch (wi->color_mode) { + case OMAP_DSS_COLOR_RGB16: + case OMAP_DSS_COLOR_RGB24P: + case OMAP_DSS_COLOR_ARGB16: + case OMAP_DSS_COLOR_RGBA16: + case OMAP_DSS_COLOR_RGB12U: + case OMAP_DSS_COLOR_ARGB16_1555: + case OMAP_DSS_COLOR_XRGB16_1555: + case OMAP_DSS_COLOR_RGBX16: + truncation = true; + break; + default: + truncation = false; + break; + } + + /* setup extra DISPC_WB_ATTRIBUTES */ + l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); + l = FLD_MOD(l, truncation, 10, 10); /* TRUNCATIONENABLE */ + l = FLD_MOD(l, mem_to_mem, 19, 19); /* WRITEBACKMODE */ + dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l); return r; } diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 3f9208e88203..8677f5157318 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -488,7 +488,7 @@ void dispc_mgr_setup(enum omap_channel channel, void dispc_wb_set_channel_in(enum dss_writeback_channel channel); int dispc_wb_setup(const struct omap_dss_writeback_info *wi, - const struct omap_video_timings *timings); + bool mem_to_mem, const struct omap_video_timings *timings); /* VENC */ #ifdef CONFIG_OMAP2_DSS_VENC |