[PATCH] drm/exynos: restore core HDMI settings (original) (raw)
Shirish S s.shirish at samsung.com
Thu Feb 13 23:34:57 PST 2014
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In DVI mode the video preamble and Guard band should be disabled whereas it should be applied in HDMI mode, the re-applying of preamble and guard band was missing, which resulted in display failures when switched to HDMI mode from DVI mode. This patch ensures the setting is applied in HDMI mode.
Signed-off-by: Shirish S <s.shirish at samsung.com>
drivers/gpu/drm/exynos/exynos_hdmi.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index a0e10ae..a102076 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -994,6 +994,8 @@ static void hdmi_conf_init(struct hdmi_context hdata) / choose HDMI mode / hdmi_reg_writemask(hdata, HDMI_MODE_SEL, HDMI_MODE_HDMI_EN, HDMI_MODE_MASK); + / Apply Video preable and Guard band in HDMI mode only / + hdmi_reg_writeb(hdata, HDMI_CON_2, 0); / disable bluescreen */ hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1.7.9.5
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