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Subject[PATCH v5 8/9] drm/msm/dp: Handle eDP mode_valid case
Date
The panel-edp driver modes needs to be validated differently from DP
because the link capabilities are not available for EDP by that time.

Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 5775db8..8b150d1 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1002,6 +1002,12 @@ enum drm_mode_status dp_bridge_mode_valid(struct drm_bridge *bridge,
return -EINVAL;
}

+ if (dp->connector_type == DRM_MODE_CONNECTOR_eDP) {
+ if (mode_pclk_khz > DP_MAX_PIXEL_CLK_KHZ)
+ return MODE_CLOCK_HIGH;
+ return MODE_OK;
+ }
+
if ((dp->max_pclk_khz <= 0) ||
(dp->max_pclk_khz > DP_MAX_PIXEL_CLK_KHZ) ||
(mode->clock > dp->max_pclk_khz))
--
2.7.4
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