Re: [PATCH v2 4/4] drm/msm/dp: make dp_connector_mode_valid() more precise

[Kuogee Hsieh]

On 3/30/2022 3:30 PM, Dmitry Baryshkov wrote:

Make dp_connector_mode_valid() return precise MODE_CLOCK_HIGH rather
than generic MODE_BAD in case the mode clock is higher than
DP_MAX_PIXEL_CLK_KHZ (675 MHz).

Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---

Reviewed-by: Kuogee Hsieh<quic_khs...@quicinc.com>

  drivers/gpu/drm/msm/dp/dp_drm.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index a94c9b34f397..3225435fa81b 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -89,7 +89,7 @@ static enum drm_mode_status dp_connector_mode_valid(
        dp_disp = to_dp_connector(connector)->dp_display;

if (mode->clock > DP_MAX_PIXEL_CLK_KHZ)

-               return MODE_BAD;
+               return MODE_CLOCK_HIGH;

return dp_display_validate_mode(dp_disp, mode->clock);

  }