drm/sti: Remove redundant ternary operators

For ternary operators in the form of "a ? true : false", if 'a' itself
returns a boolean result, the ternary operator can be omitted. Remove
redundant ternary operators to clean up the code.

Signed-off-by: Liao Yuanhong <[e-mail]>
Acked-by: Raphaël Gallais-Pou <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Raphael Gallais-Pou <[e-mail]>

drivers/gpu/drm/sti/sti_hqvdp.c

···
 
 	inv_zy = DIV_ROUND_UP(src_h, dst_h);
 
-	return (inv_zy <= lfw) ? true : false;
+	return inv_zy <= lfw;
 }
 
 /**