On Mon, Aug 25, 2025 at 10:16:24PM +0800, Yongxing Mou wrote:
> This change enables SA8775P support for Multi-Stream Transport (MST),
> allowing each controller to handle up to two or four DisplayPort streams.
> As all necessary code for MST support was already implemented in the
> previous series of patches.
Why do you update only SA8775P? Please update all the platforms at once.
>
> Signed-off-by: Yongxing Mou <yongxing....@oss.qualcomm.com>
> ---
> drivers/gpu/drm/msm/dp/dp_display.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
> b/drivers/gpu/drm/msm/dp/dp_display.c
> index
> 897ef653b3cea08904bb3595e8ac10fd7fcf811f..4a94f37513c21f9a273080b572a1e50a186a45ce
> 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -108,8 +108,10 @@ 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 = 0x0af54000, .id = MSM_DP_CONTROLLER_0,
> .wide_bus_supported = true,
> + .mst_streams = 4},
> + { .io_start = 0x0af5c000, .id = MSM_DP_CONTROLLER_1,
> .wide_bus_supported = true,
> + .mst_streams = 2},
> { .io_start = 0x22154000, .id = MSM_DP_CONTROLLER_2,
> .wide_bus_supported = true },
> { .io_start = 0x2215c000, .id = MSM_DP_CONTROLLER_3,
> .wide_bus_supported = true },
> {}
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
