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drm/tidss: dispc: Switch to GENMASK instead of FLD_MASK

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The dispc FLD_MASK function is an exact equivalent of the GENMASK macro.
Let's convert the dispc driver to the latter.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-3-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
This commit is contained in:
Maxime Ripard
2025-08-27 17:12:34 +02:00
committed by Tomi Valkeinen
parent e8e202bcbd
commit db7c13ebf2
1 changed files with 3 additions and 10 deletions
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13
drivers/gpu/drm/tidss/tidss_dispc.c
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@@ -594,31 +594,24 @@ void tidss_disable_oldi(struct tidss_device *tidss, u32 hw_videoport)
* number. For example 7:0
*/
#define FLD_MASK(start, end) \
({ \
int _end_inner = (end); \
u32 _mask = ((1 << ((start) - _end_inner + 1)) - 1) << _end_inner; \
_mask; \
})
#define FLD_VAL(val, start, end) \
({ \
int _end_inner = (end); \
u32 _new_val = ((val) << _end_inner) & FLD_MASK((start), _end_inner); \
u32 _new_val = ((val) << _end_inner) & GENMASK((start), _end_inner); \
_new_val; \
})
#define FLD_GET(val, start, end) \
({ \
int _end = (end); \
u32 _ret_val = ((val) & FLD_MASK((start), _end)) >> _end; \
u32 _ret_val = ((val) & GENMASK((start), _end)) >> _end; \
_ret_val; \
})
#define FLD_MOD(orig, val, start, end) \
({ \
int _start = (start), _end = (end); \
u32 _masked_val = (orig) & ~FLD_MASK(_start, _end); \
u32 _masked_val = (orig) & ~GENMASK(_start, _end); \
u32 _new_val = _masked_val | FLD_VAL((val), _start, _end); \
_new_val; \
})