diff options
-rw-r--r-- | drivers/gpu/drm/drm_edid.c | 29 | ||||
-rw-r--r-- | include/drm/drm_edid.h | 12 |
2 files changed, 30 insertions, 11 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index ebab862b8b1a..c18ec866678d 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3424,10 +3424,6 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connecto connector->base.id, connector->name); return NULL; } - if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) { - drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Composite sync not supported\n", - connector->base.id, connector->name); - } /* it is incorrect if hsync/vsync width is zero */ if (!hsync_pulse_width || !vsync_pulse_width) { @@ -3474,10 +3470,27 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connecto if (info->quirks & EDID_QUIRK_DETAILED_SYNC_PP) { mode->flags |= DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC; } else { - mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? - DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; - mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? - DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; + switch (pt->misc & DRM_EDID_PT_SYNC_MASK) { + case DRM_EDID_PT_ANALOG_CSYNC: + case DRM_EDID_PT_BIPOLAR_ANALOG_CSYNC: + drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Analog composite sync!\n", + connector->base.id, connector->name); + mode->flags |= DRM_MODE_FLAG_CSYNC | DRM_MODE_FLAG_NCSYNC; + break; + case DRM_EDID_PT_DIGITAL_CSYNC: + drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Digital composite sync!\n", + connector->base.id, connector->name); + mode->flags |= DRM_MODE_FLAG_CSYNC; + mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? + DRM_MODE_FLAG_PCSYNC : DRM_MODE_FLAG_NCSYNC; + break; + case DRM_EDID_PT_DIGITAL_SEPARATE_SYNC: + mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? + DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; + mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? + DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; + break; + } } set_size: diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 70ae6c290bdc..571885d32907 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -61,9 +61,15 @@ struct std_timing { u8 vfreq_aspect; } __attribute__((packed)); -#define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) -#define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) -#define DRM_EDID_PT_SEPARATE_SYNC (3 << 3) +#define DRM_EDID_PT_SYNC_MASK (3 << 3) +# define DRM_EDID_PT_ANALOG_CSYNC (0 << 3) +# define DRM_EDID_PT_BIPOLAR_ANALOG_CSYNC (1 << 3) +# define DRM_EDID_PT_DIGITAL_CSYNC (2 << 3) +# define DRM_EDID_PT_CSYNC_ON_RGB (1 << 1) /* analog csync only */ +# define DRM_EDID_PT_CSYNC_SERRATE (1 << 2) +# define DRM_EDID_PT_DIGITAL_SEPARATE_SYNC (3 << 3) +# define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) /* also digital csync */ +# define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) #define DRM_EDID_PT_STEREO (1 << 5) #define DRM_EDID_PT_INTERLACED (1 << 7) |