[PATCH 3/3] drm/amd/display: Remove set but not used variables 'regval', 'speakers'

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c: In function dce110_update_generic_info_packet:
drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c:68:11: warning: variable regval set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c: In function dce110_se_audio_setup:
drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c:1331:11: warning: variable speakers set but not used [-Wunused-but-set-variable]

They are not used since commit 4562236b3bc0 ("drm/amd/dc:
Add dc display driver (v2)")

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
index 6ed922a..1a5b673 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
@@ -67,7 +67,6 @@ static void dce110_update_generic_info_packet(
 	uint32_t packet_index,
 	const struct dc_info_packet *info_packet)
 {
-	uint32_t regval;
 	/* TODOFPGA Figure out a proper number for max_retries polling for lock
 	 * use 50 for now.
 	 */
@@ -99,7 +98,7 @@ static void dce110_update_generic_info_packet(
 	}
 	/* choose which generic packet to use */
 	{
-		regval = REG_READ(AFMT_VBI_PACKET_CONTROL);
+		REG_READ(AFMT_VBI_PACKET_CONTROL);
 		REG_UPDATE(AFMT_VBI_PACKET_CONTROL,
 				AFMT_GENERIC_INDEX, packet_index);
 	}
@@ -1335,7 +1334,6 @@ static void dce110_se_audio_setup(
 {
 	struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);

-	uint32_t speakers = 0;
 	uint32_t channels = 0;

 	ASSERT(audio_info);
@@ -1343,7 +1341,6 @@ static void dce110_se_audio_setup(
 		/* This should not happen.it does so we don't get BSOD*/
 		return;

-	speakers = audio_info->flags.info.ALLSPEAKERS;
 	channels = speakers_to_channels(audio_info->flags.speaker_flags).all;

 	/* setup the audio stream source select (audio -> dig mapping) */
--
2.7.4

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