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Merge tag 'mediatek-drm-fixes-5.16' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

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Mediatek DRM Fixes for Linux 5.16

1. Perform NULL pointer check for mtk_hdmi_conf.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1639956861-14873-1-git-send-email-chunkuang.hu@kernel.org
This commit is contained in:
Dave Airlie
2021-12-23 10:54:58 +10:00
parent a7904a5389 3b8e19a0aa
commit ae95af9755
1 changed files with 7 additions and 5 deletions
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12
drivers/gpu/drm/mediatek/mtk_hdmi.c
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@@ -1224,12 +1224,14 @@ static int mtk_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
return MODE_BAD;
}
if (hdmi->conf->cea_modes_only && !drm_match_cea_mode(mode))
return MODE_BAD;
if (hdmi->conf) {
if (hdmi->conf->cea_modes_only && !drm_match_cea_mode(mode))
return MODE_BAD;
if (hdmi->conf->max_mode_clock &&
mode->clock > hdmi->conf->max_mode_clock)
return MODE_CLOCK_HIGH;
if (hdmi->conf->max_mode_clock &&
mode->clock > hdmi->conf->max_mode_clock)
return MODE_CLOCK_HIGH;
}
if (mode->clock < 27000)
return MODE_CLOCK_LOW;