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drm/amd/display: Don't build DCN1 when kcov is enabled

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DCN1 contains code that utilizes fp math. When
CONFIG_KCOV_INSTRUMENT_ALL and CONFIG_KCOV_ENABLE_COMPARISONS are
enabled, build errors are found. See this earlier patch for details:

https://lists.freedesktop.org/archives/dri-devel/2018-August/186131.html

As a short term solution, disable CONFIG_DRM_AMD_DC_DCN1_0 when
KCOV_INSTRUMENT_ALL and KCOV_ENABLE_COMPARISONS are enabled. In
addition, make it a fully derived config, taking into account
CONFIG_X86.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo (Sunpeng) Li 2018-08-16 15:44:39 -04:00 committed by Alex Deucher
parent dc37a9a08d
commit 9d1d02ff36
1 changed files with 3 additions and 5 deletions
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8
drivers/gpu/drm/amd/display/Kconfig
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@ -4,18 +4,16 @@ menu "Display Engine Configuration"
config DRM_AMD_DC
bool "AMD DC - Enable new display engine"
default y
select DRM_AMD_DC_DCN1_0 if X86 && !(KCOV_INSTRUMENT_ALL && KCOV_ENABLE_COMPARISONS)
help
Choose this option if you want to use the new display engine
support for AMDGPU. This adds required support for Vega and
Raven ASICs.
config DRM_AMD_DC_DCN1_0
bool "DCN 1.0 Raven family"
depends on DRM_AMD_DC && X86
default y
def_bool n
help
Choose this option if you want to have
RV family for display engine
RV family support for display engine
config DEBUG_KERNEL_DC
bool "Enable kgdb break in DC"