From: Thomas Zimmermann Date: Wed, 5 Mar 2025 16:30:46 +0000 (+0100) Subject: drm/ast: cursor: Drop page alignment X-Git-Tag: v6.16-rc1~144^2~21^2~214 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c6a84bc9690afc40b103c5df3cdfb357439cb563;p=thirdparty%2Flinux.git drm/ast: cursor: Drop page alignment The cursor scanout address requires alignment to a multiple of 8, but does not require page alignment. Change the offset calculation accordingly. Frees up a few more bytes for the primary framebuffer. Signed-off-by: Thomas Zimmermann Reviewed-by: Jocelyn Falempe Link: https://patchwork.freedesktop.org/patch/msgid/20250305163207.267650-8-tzimmermann@suse.de --- diff --git a/drivers/gpu/drm/ast/ast_cursor.c b/drivers/gpu/drm/ast/ast_cursor.c index cb0c48d472076..5ee724bfd682a 100644 --- a/drivers/gpu/drm/ast/ast_cursor.c +++ b/drivers/gpu/drm/ast/ast_cursor.c @@ -58,7 +58,7 @@ long ast_cursor_vram_offset(struct ast_device *ast) if (size > ast->vram_size) return -EINVAL; - return PAGE_ALIGN_DOWN(ast->vram_size - size); + return ALIGN_DOWN(ast->vram_size - size, SZ_8); } static u32 ast_cursor_calculate_checksum(const void *src, unsigned int width, unsigned int height)