This patch simplifies the ASSERT*() and BREAK_TO_DEBUGGER() macros: - Move the dependency check of CONFIG_KGDB into Kconfig - Unify the kgdb_breakpoint() call - Drop the non-existing CONFIG_HAVE_KGDB
Also align the behavior of ASSERT() macro in both cases with and without CONFIG_DEBUG_KERNEL_DC.
Signed-off-by: Takashi Iwai tiwai@suse.de --- drivers/gpu/drm/amd/display/Kconfig | 1 + drivers/gpu/drm/amd/display/dc/os_types.h | 33 +++++++++++-------------------- 2 files changed, 13 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig index f24abf428534..60dfdd432aba 100644 --- a/drivers/gpu/drm/amd/display/Kconfig +++ b/drivers/gpu/drm/amd/display/Kconfig @@ -42,6 +42,7 @@ config DRM_AMD_DC_SI config DEBUG_KERNEL_DC bool "Enable kgdb break in DC" depends on DRM_AMD_DC + depends on KGDB help Choose this option if you want to hit kdgb_break in assert.
diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h index 32758b245754..95cb56929e79 100644 --- a/drivers/gpu/drm/amd/display/dc/os_types.h +++ b/drivers/gpu/drm/amd/display/dc/os_types.h @@ -94,36 +94,27 @@ * general debug capabilities * */ -#if defined(CONFIG_DEBUG_KERNEL_DC) && (defined(CONFIG_HAVE_KGDB) || defined(CONFIG_KGDB)) -#define ASSERT_CRITICAL(expr) do { \ - if (WARN_ON(!(expr))) { \ - kgdb_breakpoint(); \ - } \ -} while (0) +#ifdef CONFIG_DEBUG_KERNEL_DC +#define dc_breakpoint() kgdb_breakpoint() #else -#define ASSERT_CRITICAL(expr) do { \ - if (WARN_ON(!(expr))) { \ - ; \ - } \ -} while (0) +#define dc_breakpoint() do {} while (0) #endif
-#if defined(CONFIG_DEBUG_KERNEL_DC) -#define ASSERT(expr) ASSERT_CRITICAL(expr) +#define ASSERT_CRITICAL(expr) do { \ + if (WARN_ON(!(expr))) \ + dc_breakpoint(); \ + } while (0)
-#else -#define ASSERT(expr) WARN_ON_ONCE(!(expr)) -#endif +#define ASSERT(expr) do { \ + if (WARN_ON_ONCE(!(expr))) \ + dc_breakpoint(); \ + } while (0)
-#if defined(CONFIG_DEBUG_KERNEL_DC) && (defined(CONFIG_HAVE_KGDB) || defined(CONFIG_KGDB)) #define BREAK_TO_DEBUGGER() \ do { \ DRM_DEBUG_DRIVER("%s():%d\n", __func__, __LINE__); \ - kgdb_breakpoint(); \ + dc_breakpoint(); \ } while (0) -#else -#define BREAK_TO_DEBUGGER() DRM_DEBUG_DRIVER("%s():%d\n", __func__, __LINE__) -#endif
#define DC_ERR(...) do { \ dm_error(__VA_ARGS__); \