rk3288: Set HDMI display mode to 480p
If an HDMI display is detected (EDID can be read), set the display mode to 480p. If for some reason 480p is not supported then we'll fall back to the automatically detected display mode. BUG=chrome-os-partner:42946 BRANCH=firmware-veyron TEST=dev mode screen shows up on Mickey at 480p resolution Change-Id: I2c431eff6673392d3c09e1b66c66ba12ecc6eeb0 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Original-Commit-Id: 76203a683c4501f368c50fe24101f68746ddb7f0 Original-Change-Id: I90dea37daa2d78628230d7d47f7ef0e917cbd7bb Original-Signed-off-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/290554 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: http://review.coreboot.org/11392 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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@ -793,6 +793,10 @@ int rk_hdmi_get_edid(struct edid *edid)
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if (decode_edid(edid_buf, edid_size, edid))
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hdmi_debug("failed to decode edid.\n");
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/* Try 480p for best compatibility. */
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if (set_display_mode(edid, EDID_MODE_640x480_60Hz))
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hdmi_debug("failed to set mode to 640x480@60Hz\n");
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return 0;
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}
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