diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_mipi_dsi.h | 2 | ||||
| -rw-r--r-- | include/linux/string.h | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index b78aae45cae7..f725f8654611 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -375,6 +375,8 @@ void mipi_dsi_dcs_set_column_address_multi(struct mipi_dsi_multi_context *ctx, u16 start, u16 end); void mipi_dsi_dcs_set_page_address_multi(struct mipi_dsi_multi_context *ctx, u16 start, u16 end); +void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *ctx, + u16 scanline); /** * mipi_dsi_generic_write_seq - transmit data using a generic write packet diff --git a/include/linux/string.h b/include/linux/string.h index 9edace076ddb..5855c5626b4b 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -279,6 +279,18 @@ static inline void memcpy_flushcache(void *dst, const void *src, size_t cnt) void *memchr_inv(const void *s, int c, size_t n); char *strreplace(char *str, char old, char new); +/** + * mem_is_zero - Check if an area of memory is all 0's. + * @s: The memory area + * @n: The size of the area + * + * Return: True if the area of memory is all 0's. + */ +static inline bool mem_is_zero(const void *s, size_t n) +{ + return !memchr_inv(s, 0, n); +} + extern void kfree_const(const void *x); extern char *kstrdup(const char *s, gfp_t gfp) __malloc; |