diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-09-28 05:42:01 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-28 23:52:39 +0300 |
| commit | e9d7dc62bc09bd95461d5444b54d59195b207fd6 (patch) | |
| tree | e830b8ebab0cdc810d7363338bb5f39b21ddfe35 /drivers/gpu/drm/amd/display/dc/dm_services.h | |
| parent | 5e0adbff084f33202db36be798c583a115990392 (diff) | |
| download | linux-e9d7dc62bc09bd95461d5444b54d59195b207fd6.tar.xz | |
amdgpu/dc: don't check for 0 on register read/writes always.
This adds ~50k to the driver text segment, and 10k to data segment.
text data bss dec hex filename
2385556 39681 1045 2426282 2505aa drivers/gpu/drm/amd/amdgpu/amdgpu.o
text data bss dec hex filename
2336593 28857 1045 2366495 241c1f drivers/gpu/drm/amd/amdgpu/amdgpu.o
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dm_services.h')
| -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); } |