diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0467-drm-amd-display-Limit-DCN-to-x86-arch.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0467-drm-amd-display-Limit-DCN-to-x86-arch.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0467-drm-amd-display-Limit-DCN-to-x86-arch.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0467-drm-amd-display-Limit-DCN-to-x86-arch.patch new file mode 100644 index 00000000..f9592033 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0467-drm-amd-display-Limit-DCN-to-x86-arch.patch @@ -0,0 +1,60 @@ +From d523b7b94caaa1cd96279c29d187f7ef6faeb1a3 Mon Sep 17 00:00:00 2001 +From: Harry Wentland <harry.wentland@amd.com> +Date: Thu, 18 May 2017 22:13:19 -0400 +Subject: [PATCH 0467/4131] drm/amd/display: Limit DCN to x86 arch +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +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 <Alexander.Deucher@amd.com> +CC: Christian König <christian.koenig@amd.com> +CC: Michel Dänzer <michel.daenzer@amd.com> +CC: Tony Cheng <Tony.Cheng@amd.com> +CC: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + 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 2b8d77c..62ea9f6 100644 +--- a/drivers/gpu/drm/amd/display/Kconfig ++++ b/drivers/gpu/drm/amd/display/Kconfig +@@ -11,7 +11,7 @@ config DRM_AMD_DC + + 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 + |