Re: [PATCH 1/4] drm/msm/dp: Update msm_dp_controller IDs for sa8775p

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 9/26/25 10:59 AM, Mani Chandana Ballary Kuntumalla wrote:
> The Qualcomm SA8775P platform comes with 2 DisplayPort controllers
> for each mdss. Update controller id for DPTX0 and DPTX1 of mdss1.
> 
> Signed-off-by: Mani Chandana Ballary Kuntumalla <quic_mkuntuma@quicinc.com>
> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index d87d47cc7ec3..f247aad55397 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -133,8 +133,8 @@ struct msm_dp_desc {
>  static const struct msm_dp_desc msm_dp_desc_sa8775p[] = {
>  	{ .io_start = 0x0af54000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
>  	{ .io_start = 0x0af5c000, .id = MSM_DP_CONTROLLER_1, .wide_bus_supported = true },
> -	{ .io_start = 0x22154000, .id = MSM_DP_CONTROLLER_2, .wide_bus_supported = true },
> -	{ .io_start = 0x2215c000, .id = MSM_DP_CONTROLLER_3, .wide_bus_supported = true },
> +	{ .io_start = 0x22154000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
> +	{ .io_start = 0x2215c000, .id = MSM_DP_CONTROLLER_1, .wide_bus_supported = true },

Well, did you see what happens when you try to plug in a display
to a controller on MDSS0 and MDSS1 at once now?

(memory corruption)

Konrad