[PATCH] drm/msm/dpu: fix x1e80100 intf_6 underrun/vsync interrupt

[Johan Hovold]

On Fri, Nov 15, 2024 at 01:55:13PM +0100, Stephan Gerhold wrote:
> The IRQ indexes for the intf_6 underrun/vsync interrupts are swapped.
> DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 16) is the actual underrun interrupt and
> DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 17) is the vsync interrupt.
> 
> This causes timeout errors when using the DP2 controller, e.g.
>   [dpu error]enc37 frame done timeout
>   *ERROR* irq timeout id=37, intf_mode=INTF_MODE_VIDEO intf=6 wb=-1, pp=2, intr=0
>   *ERROR* wait disable failed: id:37 intf:6 ret:-110
> 
> Correct them to fix these errors and make DP2 work properly.
> 
> Cc: stable at vger.kernel.org
> Fixes: e3b1f369db5a ("drm/msm/dpu: Add X1E80100 support")
> Signed-off-by: Stephan Gerhold <stephan.gerhold at linaro.org>

This fixes the errors I was seeing with the third usb-c port on the
x1e80100 CRD:

Tested-by: Johan Hovold <johan+linaro at kernel.org>

Johan