On Sun, 07 Dec 2014, Gaurav K Singh <[email protected]> wrote:
> Common bit to be used for both DSI Port A & DSI Port C.
>
> Signed-off-by: Gaurav K Singh <[email protected]>

At some point I'd like to have the bits specific to port A only
extracted outside of the for loop, but this is fine for now.

Reviewed-by: Jani Nikula <[email protected]>


> ---
>  drivers/gpu/drm/i915/intel_dsi.c |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c 
> b/drivers/gpu/drm/i915/intel_dsi.c
> index 8f8b952..215d004 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -177,7 +177,12 @@ static void intel_dsi_device_ready(struct intel_encoder 
> *encoder)
>               usleep_range(2500, 3000);
>  
>               val = I915_READ(MIPI_PORT_CTRL(port));
> -             I915_WRITE(MIPI_PORT_CTRL(port), val | LP_OUTPUT_HOLD);
> +
> +             /* Enable MIPI PHY transparent latch
> +              * Common bit for both MIPI Port A & MIPI Port C
> +              * No similar bit in MIPI Port C reg
> +              */
> +             I915_WRITE(MIPI_PORT_CTRL(PORT_A), val | LP_OUTPUT_HOLD);
>               usleep_range(1000, 1500);
>  
>               I915_WRITE(MIPI_DEVICE_READY(port), ULPS_STATE_EXIT);
> -- 
> 1.7.9.5
>
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-- 
Jani Nikula, Intel Open Source Technology Center
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