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SubjectRe: [Intel-gfx] [PATCH] drm/i915: Return correct EDP voltage swing table for 0.85V
Date

Looks like a typo in

cf54ca8 ("drm/i915/cnl: Implement voltage swing sequence.")

but Cc'ing Rodrigo, Clint to make sure this wasn't a workaround.

-DK


On Mon, 2017-07-17 at 11:21 -0700, Matthias Kaehlcke wrote:
> For 0.85V cnl_get_buf_trans_edp() returns the DP table, instead of EDP.
> Use the correct table.
>
> The error was pointed out by this clang warning:
>
> drivers/gpu/drm/i915/intel_ddi.c:392:39: warning: variable
> 'cnl_ddi_translations_edp_0_85V' is not needed and will not be emitted
> [-Wunneeded-internal-declaration]
> static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_0_85V[] = {
>
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index efb13582dc73..6fa02e6a7a9b 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -1873,7 +1873,7 @@ cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv,
> if (dev_priv->vbt.edp.low_vswing) {
> if (voltage == VOLTAGE_INFO_0_85V) {
> *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_85V);
> - return cnl_ddi_translations_dp_0_85V;
> + return cnl_ddi_translations_edp_0_85V;
> } else if (voltage == VOLTAGE_INFO_0_95V) {
> *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_95V);
> return cnl_ddi_translations_edp_0_95V;
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