drm/amd/display: fix cond_no_effect.cocci warnings

This was found by coccicheck:
./drivers/gpu/drm/amd/display/dc/core/dc_resource.c, 2516, 7-9, WARNING
possible condition with no effect (if == else)

hdmi_info.bits.YQ0_YQ1 is always YYC_QUANTIZATION_LIMITED_RANGE.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index fabe1b8..564163a 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2509,17 +2509,7 @@ static void set_avi_info_frame(
 
        /* TODO : We should handle YCC quantization */
        /* but we do not have matrix calculation */
-       if (stream->qy_bit == 1) {
-               if (color_space == COLOR_SPACE_SRGB ||
-                       color_space == COLOR_SPACE_2020_RGB_FULLRANGE)
-                       hdmi_info.bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
-               else if (color_space == COLOR_SPACE_SRGB_LIMITED ||
-                                       color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE)
-                       hdmi_info.bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
-               else
-                       hdmi_info.bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
-       } else
-               hdmi_info.bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
+       hdmi_info.bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
 
        ///VIC
        format = stream->timing.timing_3d_format;