summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/drm_edid.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c51
1 files changed, 28 insertions, 23 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 95d41b3067c4..ec1cb4890acb 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -29,6 +29,7 @@
*/
#include <linux/bitfield.h>
+#include <linux/cec.h>
#include <linux/hdmi.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
@@ -3110,7 +3111,7 @@ drm_monitor_supports_rb(const struct drm_edid *drm_edid)
return ret;
}
- return ((drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
+ return drm_edid_is_digital(drm_edid);
}
static void
@@ -3457,6 +3458,10 @@ 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) {
@@ -3511,27 +3516,10 @@ 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 {
- 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;
- }
+ 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;
}
set_size:
@@ -6213,6 +6201,8 @@ drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
info->is_hdmi = true;
+ info->source_physical_address = (db[4] << 8) | db[5];
+
if (len >= 6)
info->dvi_dual = db[6] & 1;
if (len >= 7)
@@ -6491,6 +6481,8 @@ static void drm_reset_display_info(struct drm_connector *connector)
info->vics_len = 0;
info->quirks = 0;
+
+ info->source_physical_address = CEC_PHYS_ADDR_INVALID;
}
static void update_displayid_info(struct drm_connector *connector,
@@ -6540,7 +6532,7 @@ static void update_display_info(struct drm_connector *connector,
if (edid->revision < 3)
goto out;
- if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
+ if (!drm_edid_is_digital(drm_edid))
goto out;
info->color_formats |= DRM_COLOR_FORMAT_RGB444;
@@ -7356,3 +7348,16 @@ static void _drm_update_tile_info(struct drm_connector *connector,
connector->tile_group = NULL;
}
}
+
+/**
+ * drm_edid_is_digital - is digital?
+ * @drm_edid: The EDID
+ *
+ * Return true if input is digital.
+ */
+bool drm_edid_is_digital(const struct drm_edid *drm_edid)
+{
+ return drm_edid && drm_edid->edid &&
+ drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL;
+}
+EXPORT_SYMBOL(drm_edid_is_digital);