drm/i915/display: Drop dead code from hsw_read_infoframe()

HSW_TVIDEO_DIP_CTL is read but not used.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210418002126.87882-4-jose.souza@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 98da94ab3e2441853e4bee6fb21e89125288027e..299a94e78d0376ad892ae72ac54eae1b3f39a800 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -543,11 +543,9 @@ void hsw_read_infoframe(struct intel_encoder *encoder,
 {
        struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
        enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
-       u32 val, *data = frame;
+       u32 *data = frame;
        int i;
 
-       val = intel_de_read(dev_priv, HSW_TVIDEO_DIP_CTL(cpu_transcoder));
-
        for (i = 0; i < len; i += 4)
                *data++ = intel_de_read(dev_priv,
                                        hsw_dip_data_reg(dev_priv, cpu_transcoder, type, i >> 2));