linux-kernel - [PATCH v2] drm/i915: Return correct EDP voltage swing table for 0.85V

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Message-Id: <20170717195854.192139-1-mka@chromium.org>
Date:   Mon, 17 Jul 2017 12:58:54 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Daniel Vetter <daniel@...ll.ch>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Manasi Navare <manasi.d.navare@...el.com>,
        rodrigo.vivi@...el.com, clinton.a.taylor@...el.com
Cc:     intel-gfx <intel-gfx@...ts.freedesktop.org>,
        dri-devel@...ts.freedesktop.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Stéphane Marchesin 
        <stephane.marchesin@...il.com>,
        Grant Grundler <grundler@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH v2] drm/i915: Return correct EDP voltage swing table for 0.85V

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[] = {

Fixes: cf54ca8bc567 ("drm/i915/cnl: Implement voltage swing sequence.")
Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
Reviewed-by: Manasi Navare <manasi.d.navare@...el.com>
---
Changes in v2:
- Added 'Fixes' tag
- Added Reviewed-by: Manasi Navare <manasi.d.navare@...el.com>

 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;
-- 
2.13.2.932.g7449e964c-goog