drm/amd/display: Fix DAL217 tests modify DTN logs for other tests

[Why]Update Code to get DTN golden log check to pass for tests run after
DAL217 tests.
[How]Change how dcn10_log_hw_state function prints HW state info
(CM_GAMUT_REMAP_Cx_Cx registers) when GAMUT REMAP is in bypass mode.

Signed-off-by: Gary Kattan <gary.kattan@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c

@@ -116,12 +116,14 @@ void dpp_read_state(struct dpp *dpp_base,
 	REG_GET(CM_GAMUT_REMAP_CONTROL,
 			CM_GAMUT_REMAP_MODE, &s->gamut_remap_mode);
 
-	s->gamut_remap_c11_c12 = REG_READ(CM_GAMUT_REMAP_C11_C12);
-	s->gamut_remap_c13_c14 = REG_READ(CM_GAMUT_REMAP_C13_C14);
-	s->gamut_remap_c21_c22 = REG_READ(CM_GAMUT_REMAP_C21_C22);
-	s->gamut_remap_c23_c24 = REG_READ(CM_GAMUT_REMAP_C23_C24);
-	s->gamut_remap_c31_c32 = REG_READ(CM_GAMUT_REMAP_C31_C32);
-	s->gamut_remap_c33_c34 = REG_READ(CM_GAMUT_REMAP_C33_C34);
+	if (s->gamut_remap_mode) {
+		s->gamut_remap_c11_c12 = REG_READ(CM_GAMUT_REMAP_C11_C12);
+		s->gamut_remap_c13_c14 = REG_READ(CM_GAMUT_REMAP_C13_C14);
+		s->gamut_remap_c21_c22 = REG_READ(CM_GAMUT_REMAP_C21_C22);
+		s->gamut_remap_c23_c24 = REG_READ(CM_GAMUT_REMAP_C23_C24);
+		s->gamut_remap_c31_c32 = REG_READ(CM_GAMUT_REMAP_C31_C32);
+		s->gamut_remap_c33_c34 = REG_READ(CM_GAMUT_REMAP_C33_C34);
+	}
 }
 
 /* Program gamut remap in bypass mode */