diff mbox series

drm/msm/dp: correct 1.62G link rate at dp_catalog_ctrl_config_msa()

Message ID 1661360356-21948-1-git-send-email-quic_khsieh@quicinc.com
State Accepted
Commit aa0bff10af1c4b92e6b56e3e1b7f81c660d3ba78
Headers show
Series drm/msm/dp: correct 1.62G link rate at dp_catalog_ctrl_config_msa() | expand

Commit Message

Kuogee Hsieh Aug. 24, 2022, 4:59 p.m. UTC
At current implementation there is an extra 0 at 1.62G link rate which cause
no correct pixel_div selected for 1.62G link rate to calculate mvid and nvid.
This patch delete the extra 0 to have mvid and nvid be calculated correctly.

Fixes: 937f941ca06f  "drm/msm/dp: Use qmp phy for DP PLL and PHY"
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
---
 drivers/gpu/drm/msm/dp/dp_catalog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Stephen Boyd Aug. 24, 2022, 5:17 p.m. UTC | #1
Quoting Kuogee Hsieh (2022-08-24 09:59:16)
> At current implementation there is an extra 0 at 1.62G link rate which cause
> no correct pixel_div selected for 1.62G link rate to calculate mvid and nvid.
> This patch delete the extra 0 to have mvid and nvid be calculated correctly.
>
> Fixes: 937f941ca06f  "drm/msm/dp: Use qmp phy for DP PLL and PHY"

Should be

Fixes: 937f941ca06f ("drm/msm/dp: Use qmp phy for DP PLL and PHY")

> Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
> ---

Good catch! Thanks for fixing it.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c
index 7257515..676279d 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -431,7 +431,7 @@  void dp_catalog_ctrl_config_msa(struct dp_catalog *dp_catalog,
 
 	if (rate == link_rate_hbr3)
 		pixel_div = 6;
-	else if (rate == 1620000 || rate == 270000)
+	else if (rate == 162000 || rate == 270000)
 		pixel_div = 2;
 	else if (rate == link_rate_hbr2)
 		pixel_div = 4;