Re: [PATCH v2] drm/msm/dsi: use the correct VREG_CTRL_1 value for 4nm cphy

[Abhinav Kumar]

On 11/9/2023 4:02 PM, Jonathan Marek wrote:
> Use the same value as the downstream driver. This change is needed for CPHY
> mode to work correctly.
>
> Fixes: 8b034e6771113 ("drm/msm/dsi: add support for DSI-PHY on SM8550")
> Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
> ---
> v2: fixed the Fixes: line
>
>   drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Good catch !

LGTM

Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>

> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
> index 3b1ed02f644d..89a6344bc865 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
> @@ -918,7 +918,7 @@ static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy,
>   	if ((phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V5_2)) {
>   		if (phy->cphy_mode) {
>   			vreg_ctrl_0 = 0x45;
> -			vreg_ctrl_1 = 0x45;
> +			vreg_ctrl_1 = 0x41;
>   			glbl_rescode_top_ctrl = 0x00;
>   			glbl_rescode_bot_ctrl = 0x00;
>   		} else {