From bf2e2e2e0ea9ace6ed11423497664656943ec55f Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Thu, 18 May 2017 22:13:19 -0400 Subject: [PATCH] drm/amd/display: Limit DCN to x86 arch MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit DCN bw calcs currently rely on the following gcc options: -mhard-float -msse -mpreferred-stack-boundary=4 We probably shouldn't really try building this on architectures other than x86. CC: Alex Deucher CC: Christian König CC: Michel Dänzer CC: Tony Cheng CC: Dmytro Laktyushkin Signed-off-by: Harry Wentland Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/Kconfig | 2 +- drivers/gpu/drm/amd/display/dc/calcs/Makefile | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig index 5c3bb35..89fc8e7 100644 --- a/drivers/gpu/drm/amd/display/Kconfig +++ b/drivers/gpu/drm/amd/display/Kconfig @@ -19,7 +19,7 @@ config DRM_AMD_DC_PRE_VEGA config DRM_AMD_DC_DCN1_0 bool "DCN 1.0 Raven family" - depends on DRM_AMD_DC + depends on DRM_AMD_DC && X86 help Choose this option if you want to have RV family for display engine diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile index a095472..2e4ce09 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile +++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile @@ -3,9 +3,11 @@ # It calculates Bandwidth and Watermarks values for HW programming # +ifeq ($(ARCH),x86) CFLAGS_dcn_calcs.o := -mhard-float -msse -mpreferred-stack-boundary=4 CFLAGS_dcn_calc_auto.o := -mhard-float -msse -mpreferred-stack-boundary=4 CFLAGS_dcn_calc_math.o := -mhard-float -msse -mpreferred-stack-boundary=4 +endif BW_CALCS = dce_calcs.o bw_fixed.o custom_float.o -- 2.7.4