diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_regs.h')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_regs.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h index b5a6b4cdd332..324462cc9cd4 100644 --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -6,19 +6,18 @@ #ifndef VC4_REGS_H #define VC4_REGS_H +#include <linux/bitfield.h> #include <linux/bitops.h> #define VC4_MASK(high, low) ((u32)GENMASK(high, low)) /* Using the GNU statement expression extension */ #define VC4_SET_FIELD(value, field) \ ({ \ - uint32_t fieldval = (value) << field##_SHIFT; \ - WARN_ON((fieldval & ~field##_MASK) != 0); \ - fieldval & field##_MASK; \ + WARN_ON(!FIELD_FIT(field##_MASK, value)); \ + FIELD_PREP(field##_MASK, value); \ }) -#define VC4_GET_FIELD(word, field) (((word) & field##_MASK) >> \ - field##_SHIFT) +#define VC4_GET_FIELD(word, field) FIELD_GET(field##_MASK, word) #define V3D_IDENT0 0x00000 # define V3D_EXPECTED_IDENT0 \ |