On Thu, Nov 09, 2017 at 10:37:50AM +0200, Mika Kahola wrote:
> To make looping through transcoders in intel_ddi.c more generic, let's switch
> to use 'for_each_pipe()' macro to do this.
>
> v2: Add a notion that we are dealing with transcoders instead of pipes (Jani)
>
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Mika Kahola <mika.kahola@xxxxxxxxx>
Pushed to dinq. Thanks for the patch.
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index ace674c..31ef376 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -1681,8 +1681,8 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
> struct drm_device *dev = encoder->base.dev;
> struct drm_i915_private *dev_priv = to_i915(dev);
> enum port port = encoder->port;
> + enum pipe p;
> u32 tmp;
> - int i;
> bool ret;
>
> if (!intel_display_power_get_if_enabled(dev_priv,
> @@ -1717,15 +1717,17 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
> goto out;
> }
>
> - for (i = TRANSCODER_A; i <= TRANSCODER_C; i++) {
> - tmp = I915_READ(TRANS_DDI_FUNC_CTL(i));
> + for_each_pipe(dev_priv, p) {
> + enum transcoder cpu_transcoder = (enum transcoder) p;
> +
> + tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
>
> if ((tmp & TRANS_DDI_PORT_MASK) == TRANS_DDI_SELECT_PORT(port)) {
> if ((tmp & TRANS_DDI_MODE_SELECT_MASK) ==
> TRANS_DDI_MODE_SELECT_DP_MST)
> goto out;
>
> - *pipe = i;
> + *pipe = p;
> ret = true;
>
> goto out;
> --
> 2.7.4
>
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--
Ville Syrjälä
Intel OTC
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