If dp_enabled was set, exynos fb driver support display port feature. This patch depends on [PATCH] video: support exynos fimd driver for various exynos series.
http://marc.info/?l=u-boot&m=134119605104467&w=2
Signed-off-by: Donghwa Lee dh09.lee@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com --- arch/arm/include/asm/arch-exynos/fb.h | 1 + drivers/video/exynos_fb.c | 5 ++++- drivers/video/exynos_fimd.c | 15 +++++++++++++++ 3 files changed, 20 insertions(+), 1 deletions(-)
diff --git a/arch/arm/include/asm/arch-exynos/fb.h b/arch/arm/include/asm/arch-exynos/fb.h index bc0a4cb..a3790e2 100644 --- a/arch/arm/include/asm/arch-exynos/fb.h +++ b/arch/arm/include/asm/arch-exynos/fb.h @@ -152,6 +152,7 @@ struct exynos_fb { unsigned char res15[156]; unsigned int dualrgb; unsigned char res16[16]; + unsigned int dp_mie_clkcon; }; #endif
diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c index 49fdfec..e31a0fd 100644 --- a/drivers/video/exynos_fb.c +++ b/drivers/video/exynos_fb.c @@ -28,6 +28,7 @@ #include <asm/arch/clock.h> #include <asm/arch/clk.h> #include <asm/arch/mipi_dsim.h> +#include <asm/arch/dp_info.h> #include <asm/arch/system.h>
#include "exynos_fb.h" @@ -91,6 +92,9 @@ static void lcd_panel_on(vidinfo_t *vid)
udelay(vid->power_on_delay);
+ if (vid->dp_enabled) + exynos_init_dp(); + if (vid->reset_lcd) { vid->reset_lcd(); udelay(vid->reset_delay); @@ -130,7 +134,6 @@ void lcd_enable(void) if (panel_info.logo_on) { memset(lcd_base, 0, panel_width * panel_height * (NBITS(panel_info.vl_bpix) >> 3)); - draw_logo(); }
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c index 989063d..6539902 100644 --- a/drivers/video/exynos_fimd.c +++ b/drivers/video/exynos_fimd.c @@ -57,6 +57,19 @@ static void exynos_fimd_set_dualrgb(unsigned int enabled) writel(cfg, &fimd_ctrl->dualrgb); }
+static void exynos_fimd_set_dp_clkcon(unsigned int enabled) +{ + + struct exynos_fb *fimd_ctrl = + (struct exynos_fb *)samsung_get_base_fimd(); + unsigned int cfg = 0; + + if (enabled) + cfg = EXYNOS_DP_CLK_ENABLE; + + writel(cfg, &fimd_ctrl->dp_mie_clkcon); +} + static void exynos_fimd_set_par(unsigned int win_id) { unsigned int cfg = 0; @@ -363,6 +376,8 @@ void exynos_fimd_lcd_init(vidinfo_t *vid)
/* window on */ exynos_fimd_window_on(pvid->win_id); + + exynos_fimd_set_dp_clkcon(pvid->dp_enabled); }
unsigned long exynos_fimd_calc_fbsize(void)