drm/gma500/mrst: Don't blindly guess a mode for LVDS
Previously we always had something hooked up to LVDS so we tried very hard to get a mode. With the Minnowboard this is no longer the case. If no mode can be found over DDC or the firmware we just ignore LVDS. Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
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@ -218,30 +218,6 @@ static const struct drm_encoder_helper_funcs oaktrail_lvds_helper_funcs = {
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.commit = oaktrail_lvds_commit,
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};
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static struct drm_display_mode lvds_configuration_modes[] = {
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/* hard coded fixed mode for TPO LTPS LPJ040K001A */
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{ DRM_MODE("800x480", DRM_MODE_TYPE_DRIVER, 33264, 800, 836,
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846, 1056, 0, 480, 489, 491, 525, 0, 0) },
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/* hard coded fixed mode for LVDS 800x480 */
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{ DRM_MODE("800x480", DRM_MODE_TYPE_DRIVER, 30994, 800, 801,
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802, 1024, 0, 480, 481, 482, 525, 0, 0) },
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/* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
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{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1072,
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1104, 1184, 0, 600, 603, 604, 608, 0, 0) },
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/* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
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{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1104,
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1136, 1184, 0, 600, 603, 604, 608, 0, 0) },
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/* hard coded fixed mode for Sharp wsvga LVDS 1024x600 */
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{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 48885, 1024, 1124,
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1204, 1312, 0, 600, 607, 610, 621, 0, 0) },
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/* hard coded fixed mode for LVDS 1024x768 */
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{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
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1184, 1344, 0, 768, 771, 777, 806, 0, 0) },
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/* hard coded fixed mode for LVDS 1366x768 */
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{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 77500, 1366, 1430,
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1558, 1664, 0, 768, 769, 770, 776, 0, 0) },
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};
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/* Returns the panel fixed mode from configuration. */
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static void oaktrail_lvds_get_configuration_mode(struct drm_device *dev,
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@ -303,10 +279,10 @@ static void oaktrail_lvds_get_configuration_mode(struct drm_device *dev,
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mode_dev->panel_fixed_mode =
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drm_mode_duplicate(dev,
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dev_priv->lfp_lvds_vbt_mode);
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/* Then guess */
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/* If we still got no mode then bail */
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if (mode_dev->panel_fixed_mode == NULL)
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mode_dev->panel_fixed_mode
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= drm_mode_duplicate(dev, &lvds_configuration_modes[2]);
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return;
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drm_mode_set_name(mode_dev->panel_fixed_mode);
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drm_mode_set_crtcinfo(mode_dev->panel_fixed_mode, 0);
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