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authorTom Rini <trini@konsulko.com>2017-05-16 00:16:02 (GMT)
committerTom Rini <trini@konsulko.com>2017-05-16 00:16:02 (GMT)
commitd09ec7f81650425140776995fc9752189ddf7956 (patch)
treef8de42cc54511ff75ef5b4d2a695be25a1d0b070 /common
parentcb33bda44f4bbf6fb58adf41dced313ca38da6fc (diff)
parent940aed8f6bacfc8c0dbaf9da0008e0a6a76463a8 (diff)
downloadu-boot-fsl-qoriq-d09ec7f81650425140776995fc9752189ddf7956.tar.xz
Merge branch 'master' of git://git.denx.de/u-boot-video
Diffstat (limited to 'common')
-rw-r--r--common/edid.c56
-rw-r--r--common/lcd.c4
2 files changed, 58 insertions, 2 deletions
diff --git a/common/edid.c b/common/edid.c
index e08e420..19410aa 100644
--- a/common/edid.c
+++ b/common/edid.c
@@ -85,6 +85,7 @@ static void decode_timing(u8 *buf, struct display_timing *timing)
uint x_mm, y_mm;
unsigned int ha, hbl, hso, hspw, hborder;
unsigned int va, vbl, vso, vspw, vborder;
+ struct edid_detailed_timing *t = (struct edid_detailed_timing *)buf;
/* Edid contains pixel clock in terms of 10KHz */
set_entry(&timing->pixelclock, (buf[0] + (buf[1] << 8)) * 10000);
@@ -111,6 +112,19 @@ static void decode_timing(u8 *buf, struct display_timing *timing)
set_entry(&timing->vback_porch, vbl - vso - vspw);
set_entry(&timing->vsync_len, vspw);
+ timing->flags = 0;
+ if (EDID_DETAILED_TIMING_FLAG_HSYNC_POLARITY(*t))
+ timing->flags |= DISPLAY_FLAGS_HSYNC_HIGH;
+ else
+ timing->flags |= DISPLAY_FLAGS_HSYNC_LOW;
+ if (EDID_DETAILED_TIMING_FLAG_VSYNC_POLARITY(*t))
+ timing->flags |= DISPLAY_FLAGS_VSYNC_HIGH;
+ else
+ timing->flags |= DISPLAY_FLAGS_VSYNC_LOW;
+
+ if (EDID_DETAILED_TIMING_FLAG_INTERLACED(*t))
+ timing->flags = DISPLAY_FLAGS_INTERLACED;
+
debug("Detailed mode clock %u Hz, %d mm x %d mm\n"
" %04x %04x %04x %04x hborder %x\n"
" %04x %04x %04x %04x vborder %x\n",
@@ -122,6 +136,39 @@ static void decode_timing(u8 *buf, struct display_timing *timing)
va + vbl, vborder);
}
+/**
+ * Check if HDMI vendor specific data block is present in CEA block
+ * @param info CEA extension block
+ * @return true if block is found
+ */
+static bool cea_is_hdmi_vsdb_present(struct edid_cea861_info *info)
+{
+ u8 end, i = 0;
+
+ /* check for end of data block */
+ end = info->dtd_offset;
+ if (end == 0)
+ end = 127;
+ if (end < 4 || end > 127)
+ return false;
+ end -= 4;
+
+ while (i < end) {
+ /* Look for vendor specific data block of appropriate size */
+ if ((EDID_CEA861_DB_TYPE(*info, i) == EDID_CEA861_DB_VENDOR) &&
+ (EDID_CEA861_DB_LEN(*info, i) >= 5)) {
+ u8 *db = &info->data[i + 1];
+ u32 oui = db[0] | (db[1] << 8) | (db[2] << 16);
+
+ if (oui == HDMI_IEEE_OUI)
+ return true;
+ }
+ i += EDID_CEA861_DB_LEN(*info, i) + 1;
+ }
+
+ return false;
+}
+
int edid_get_timing(u8 *buf, int buf_size, struct display_timing *timing,
int *panel_bits_per_colourp)
{
@@ -167,6 +214,15 @@ int edid_get_timing(u8 *buf, int buf_size, struct display_timing *timing,
((edid->video_input_definition & 0x70) >> 3) + 4;
}
+ timing->hdmi_monitor = false;
+ if (edid->extension_flag && (buf_size >= EDID_EXT_SIZE)) {
+ struct edid_cea861_info *info =
+ (struct edid_cea861_info *)(buf + sizeof(*edid));
+
+ if (info->extension_tag == EDID_CEA861_EXTENSION_TAG)
+ timing->hdmi_monitor = cea_is_hdmi_vsdb_present(info);
+ }
+
return 0;
}
diff --git a/common/lcd.c b/common/lcd.c
index 783626e..2405146 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -704,7 +704,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
}
break;
#endif /* CONFIG_BMP_16BPP */
-#if defined(CONFIG_BMP_24BMP)
+#if defined(CONFIG_BMP_24BPP)
case 24:
for (i = 0; i < height; ++i) {
for (j = 0; j < width; j++) {
@@ -716,7 +716,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
fb -= lcd_line_length + width * (bpix / 8);
}
break;
-#endif /* CONFIG_BMP_24BMP */
+#endif /* CONFIG_BMP_24BPP */
#if defined(CONFIG_BMP_32BPP)
case 32:
for (i = 0; i < height; ++i) {