diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0078-DSS2-Enable-replication-logic-feature.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0078-DSS2-Enable-replication-logic-feature.patch | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0078-DSS2-Enable-replication-logic-feature.patch b/recipes/linux/linux-omap-pm/dss2/0078-DSS2-Enable-replication-logic-feature.patch new file mode 100644 index 0000000000..ac502112fd --- /dev/null +++ b/recipes/linux/linux-omap-pm/dss2/0078-DSS2-Enable-replication-logic-feature.patch @@ -0,0 +1,138 @@ +From 8d239b2c7f05acf2f732d292f5d7c5abc3c7ce1a Mon Sep 17 00:00:00 2001 +From: Tomi Valkeinen <tomi.valkeinen@nokia.com> +Date: Tue, 26 May 2009 10:49:24 +0300 +Subject: [PATCH 078/146] DSS2: Enable replication logic feature + +Replication logic will make colors a bit better on active matrix LCD +when the fb is in 16bpp mode and the LCD interface is 18/24bpp. + +Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com> +--- + drivers/video/omap2/dss/dispc.c | 19 +++++++++++++++++++ + drivers/video/omap2/dss/display.c | 34 ++++++++++++++++++++++++++++++++++ + drivers/video/omap2/dss/dss.h | 3 +++ + drivers/video/omap2/dss/manager.c | 5 +++++ + 4 files changed, 61 insertions(+), 0 deletions(-) + +diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c +index 2471cfe..e936c59 100644 +--- a/drivers/video/omap2/dss/dispc.c ++++ b/drivers/video/omap2/dss/dispc.c +@@ -908,6 +908,20 @@ static void _dispc_set_vid_color_conv(enum omap_plane plane, bool enable) + dispc_write_reg(dispc_reg_att[plane], val); + } + ++void dispc_enable_replication(enum omap_plane plane, bool enable) ++{ ++ int bit; ++ ++ if (plane == OMAP_DSS_GFX) ++ bit = 5; ++ else ++ bit = 10; ++ ++ enable_clocks(1); ++ REG_FLD_MOD(dispc_reg_att[plane], enable, bit, bit); ++ enable_clocks(0); ++} ++ + void dispc_set_lcd_size(u16 width, u16 height) + { + u32 val; +@@ -3293,6 +3307,11 @@ void dispc_setup_partial_planes(struct omap_display *display, + pi->mirror, + pi->global_alpha); + ++ if (dss_use_replication(display, ovl->info.color_mode)) ++ dispc_enable_replication(ovl->id, true); ++ else ++ dispc_enable_replication(ovl->id, false); ++ + dispc_enable_plane(ovl->id, 1); + } + +diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c +index 50ced29..77a6dc4 100644 +--- a/drivers/video/omap2/dss/display.c ++++ b/drivers/video/omap2/dss/display.c +@@ -411,6 +411,40 @@ static int default_get_recommended_bpp(struct omap_display *display) + } + } + ++/* Checks if replication logic should be used. Only use for active matrix, ++ * when overlay is in RGB12U or RGB16 mode, and LCD interface is ++ * 18bpp or 24bpp */ ++bool dss_use_replication(struct omap_display *display, ++ enum omap_color_mode mode) ++{ ++ int bpp; ++ ++ if (mode != OMAP_DSS_COLOR_RGB12U && mode != OMAP_DSS_COLOR_RGB16) ++ return false; ++ ++ if (display->type == OMAP_DISPLAY_TYPE_DPI && ++ (display->panel->config & OMAP_DSS_LCD_TFT) == 0) ++ return false; ++ ++ switch (display->type) { ++ case OMAP_DISPLAY_TYPE_DPI: ++ bpp = display->hw_config.u.dpi.data_lines; ++ break; ++ case OMAP_DISPLAY_TYPE_VENC: ++ case OMAP_DISPLAY_TYPE_SDI: ++ bpp = 24; ++ break; ++ case OMAP_DISPLAY_TYPE_DBI: ++ case OMAP_DISPLAY_TYPE_DSI: ++ bpp = display->ctrl->pixel_size; ++ break; ++ default: ++ BUG(); ++ } ++ ++ return bpp > 16; ++} ++ + void dss_init_displays(struct platform_device *pdev) + { + struct omap_dss_board_info *pdata = pdev->dev.platform_data; +diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h +index 20cef0a..d51ffe4 100644 +--- a/drivers/video/omap2/dss/dss.h ++++ b/drivers/video/omap2/dss/dss.h +@@ -173,6 +173,8 @@ void dss_uninit_displays(struct platform_device *pdev); + int dss_suspend_all_displays(void); + int dss_resume_all_displays(void); + struct omap_display *dss_get_display(int no); ++bool dss_use_replication(struct omap_display *display, ++ enum omap_color_mode mode); + + /* manager */ + int dss_init_overlay_managers(struct platform_device *pdev); +@@ -280,6 +282,7 @@ void dispc_go(enum omap_channel channel); + void dispc_enable_lcd_out(bool enable); + void dispc_enable_digit_out(bool enable); + int dispc_enable_plane(enum omap_plane plane, bool enable); ++void dispc_enable_replication(enum omap_plane plane, bool enable); + + void dispc_set_parallel_interface_mode(enum omap_parallel_interface_mode mode); + void dispc_set_tft_data_lines(u8 data_lines); +diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c +index 1e6cd8d..8d5d00f 100644 +--- a/drivers/video/omap2/dss/manager.c ++++ b/drivers/video/omap2/dss/manager.c +@@ -474,6 +474,11 @@ static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr) + continue; + } + ++ if (dss_use_replication(display, ovl->info.color_mode)) ++ dispc_enable_replication(ovl->id, true); ++ else ++ dispc_enable_replication(ovl->id, false); ++ + dispc_enable_plane(ovl->id, 1); + } + +-- +1.6.2.4 + |