diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dm_services.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h index 8ab0af6f4c6b..c976e2aa10e0 100644 --- a/drivers/gpu/drm/amd/display/dc/dm_services.h +++ b/drivers/gpu/drm/amd/display/dc/dm_services.h @@ -96,6 +96,9 @@ irq_handler_idx dm_register_interrupt( * */ +/* enable for debugging new code, this adds 50k to the driver size. */ +/* #define DM_CHECK_ADDR_0 */ + #define dm_read_reg(ctx, address) \ dm_read_reg_func(ctx, address, __func__) @@ -105,12 +108,12 @@ static inline uint32_t dm_read_reg_func( const char *func_name) { uint32_t value; - +#ifdef DM_CHECK_ADDR_0 if (address == 0) { DC_ERR("invalid register read; address = 0\n"); return 0; } - +#endif value = cgs_read_register(ctx->cgs_device, address); return value; @@ -125,10 +128,12 @@ static inline void dm_write_reg_func( uint32_t value, const char *func_name) { +#ifdef DM_CHECK_ADDR_0 if (address == 0) { DC_ERR("invalid register write. address = 0"); return; } +#endif cgs_write_register(ctx->cgs_device, address, value); } |