diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index ad53c4808bdb..5ca0a9f1f43a 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -60,6 +60,7 @@ struct hdmi_context { bool hpd; bool powered; bool is_v13; + bool dvi_mode; struct mutex hdmi_mutex; struct resource *regs_res; @@ -1211,10 +1212,12 @@ static int hdmi_get_edid(void *ctx, struct drm_connector *connector, raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter); if (raw_edid) { + hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid); memcpy(edid, raw_edid, min((1 + raw_edid->extensions) * EDID_LENGTH, len)); - DRM_DEBUG_KMS("width[%d] x height[%d]\n", - raw_edid->width_cm, raw_edid->height_cm); + DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n", + (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), + raw_edid->width_cm, raw_edid->height_cm); } else { return -ENODEV; } @@ -1437,10 +1440,7 @@ static void hdmi_audio_init(struct hdmi_context *hdata) static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff) { - u32 mod; - - mod = hdmi_reg_read(hdata, HDMI_MODE_SEL); - if (mod & HDMI_DVI_MODE_EN) + if (hdata->dvi_mode) return; hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0); @@ -1479,6 +1479,14 @@ static void hdmi_conf_init(struct hdmi_context *hdata) /* disable bluescreen */ hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); + if (hdata->dvi_mode) { + /* choose DVI mode */ + hdmi_reg_writemask(hdata, HDMI_MODE_SEL, + HDMI_MODE_DVI_EN, HDMI_MODE_MASK); + hdmi_reg_writeb(hdata, HDMI_CON_2, + HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS); + } + if (hdata->is_v13) { /* choose bluescreen (fecal) color */ hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12); |