Unverified Commit 4059a0e2 authored Jul 18, 2024 by openeuler-ci-bot Committed by Gitee Jul 18, 2024

!10111 drm/exynos: hdmi: report safe 640x480 mode as a fallback when no EDID found

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Lingfeng <lilingfeng3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/CDXWIN7WNXRUWH7RJ5K6OWFZ4KJ5VW3P/ 
 
https://gitee.com/src-openeuler/kernel/issues/IACQYH 
 
Link:https://gitee.com/openeuler/kernel/pulls/10111

 

Reviewed-by: Zhang Peng <zhangpeng362@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Zhang Peng <zhangpeng362@huawei.com>

parents 4552aaa2 2729666f

drivers/gpu/drm/exynos/exynos_hdmi.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -887,11 +887,11 @@ static int hdmi_get_modes(struct drm_connector *connector)
		int ret;

		if (!hdata->ddc_adpt)
		return 0;
		goto no_edid;

		edid = drm_get_edid(connector, hdata->ddc_adpt);
		if (!edid)
		return 0;
		goto no_edid;

		hdata->dvi_mode = !connector->display_info.is_hdmi;
		DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
		@@ -906,6 +906,9 @@ static int hdmi_get_modes(struct drm_connector *connector)
		kfree(edid);

		return ret;

		no_edid:
		return drm_add_modes_noedid(connector, 640, 480);
		}

		static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)