diff options
| author | Jernej Skrabec <jernej.skrabec@siol.net> | 2017-04-29 14:43:35 +0200 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2017-05-15 20:28:12 +0200 |
| commit | dc8cae4df3c016cbcb6eb8a841a7a94ff36b9e0b (patch) | |
| tree | 9aa0d82acd01381dde0e6a0d00a552ea49b6fb61 | |
| parent | 22f3368e71321db1e0e15dfbf54b052367890ec7 (diff) | |
| download | u-boot-dc8cae4df3c016cbcb6eb8a841a7a94ff36b9e0b.tar.gz u-boot-dc8cae4df3c016cbcb6eb8a841a7a94ff36b9e0b.tar.bz2 u-boot-dc8cae4df3c016cbcb6eb8a841a7a94ff36b9e0b.zip | |
edid: Set timings flags according to edid
Timing flags are never set, so they may contain garbage. Since some
drivers check them, video output may be broken on those drivers.
Initialize them to 0 and check for few common flags.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | common/edid.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/common/edid.c b/common/edid.c index e08e420920..ab7069fdcd 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", |