drm/omap: Remove cpu_is_omapXXXX usage in DMM

Removed usage of the cpu_is_omapXXXX in the DMM driver.  This is no
longer necessary as we can key off of the omap_dmm pointer that is
only non-NULL if the device has been probed successfully.
Signed-off-by: Andy Gross <andy.gross@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/omapdrm/omap_dmm_tiler.c

@@ -522,7 +522,7 @@ size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h)
 	return round_up(geom[fmt].cpp * w, PAGE_SIZE) * h;
 }
 
-bool dmm_is_initialized(void)
+bool dmm_is_available(void)
 {
 	return omap_dmm ? true : false;
 }

drivers/staging/omapdrm/omap_dmm_tiler.h

@@ -107,7 +107,7 @@ uint32_t tiler_stride(enum tiler_fmt fmt, uint32_t orient);
 size_t tiler_size(enum tiler_fmt fmt, uint16_t w, uint16_t h);
 size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h);
 void tiler_align(enum tiler_fmt fmt, uint16_t *w, uint16_t *h);
-bool dmm_is_initialized(void);
+bool dmm_is_available(void);
 
 extern struct platform_driver omap_dmm_driver;
 
@@ -139,9 +139,4 @@ static inline bool validfmt(enum tiler_fmt fmt)
 	}
 }
 
-static inline int dmm_is_available(void)
-{
-	return cpu_is_omap44xx();
-}
-
 #endif

drivers/staging/omapdrm/omap_gem.c

@@ -1435,7 +1435,7 @@ void omap_gem_init(struct drm_device *dev)
 	};
 	int i, j;
 
-	if (!dmm_is_initialized()) {
+	if (!dmm_is_available()) {
 		/* DMM only supported on OMAP4 and later, so this isn't fatal */
 		dev_warn(dev->dev, "DMM not available, disable DMM support\n");
 		return;