drm: exynos: fix for loosing display mode header during mode adjustment
This patch is to preserve the display mode header during the mode adjustment. Display mode header is overwritten with the adjusted mode header which is throwing the stack dump. Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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@ -1979,9 +1979,18 @@ static void hdmi_mode_fixup(void *ctx, struct drm_connector *connector,
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index = hdmi_v14_conf_index(m);
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index = hdmi_v14_conf_index(m);
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if (index >= 0) {
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if (index >= 0) {
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struct drm_mode_object base;
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struct list_head head;
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DRM_INFO("desired mode doesn't exist so\n");
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DRM_INFO("desired mode doesn't exist so\n");
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DRM_INFO("use the most suitable mode among modes.\n");
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DRM_INFO("use the most suitable mode among modes.\n");
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/* preserve display mode header while copying. */
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head = adjusted_mode->head;
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base = adjusted_mode->base;
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memcpy(adjusted_mode, m, sizeof(*m));
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memcpy(adjusted_mode, m, sizeof(*m));
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adjusted_mode->head = head;
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adjusted_mode->base = base;
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break;
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break;
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}
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}
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}
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}
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