drm/radeon: Deprecate UMS support v2

[linux-imx.git] / drivers / gpu / drm / radeon / r600_blit.c

diff --git a/drivers/gpu/drm/radeon/r600_blit.c b/drivers/gpu/drm/radeon/r600_blit.c
index 77da1f9c0b8e4265efef327f3d9b06c579753089..f651881eb0aedbc41a9644c33c1fbb355c88a836 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_blit.c
+++ b/drivers/gpu/drm/radeon/r600_blit.c
@@ -22,6 +22,8 @@
  *
  * Authors:
  *     Alex Deucher <alexander.deucher@amd.com>
+ *
+ * ------------------------ This file is DEPRECATED! -------------------------
  */
 #include <drm/drmP.h>
 #include <drm/radeon_drm.h>
@@ -488,37 +490,6 @@ set_default_state(drm_radeon_private_t *dev_priv)
        ADVANCE_RING();
 }
 
-/* 23 bits of float fractional data */
-#define I2F_FRAC_BITS  23
-#define I2F_MASK ((1 << I2F_FRAC_BITS) - 1)
-
-/*
- * Converts unsigned integer into 32-bit IEEE floating point representation.
- * Will be exact from 0 to 2^24.  Above that, we round towards zero
- * as the fractional bits will not fit in a float.  (It would be better to
- * round towards even as the fpu does, but that is slower.)
- */
-__pure uint32_t int2float(uint32_t x)
-{
-       uint32_t msb, exponent, fraction;
-
-       /* Zero is special */
-       if (!x) return 0;
-
-       /* Get location of the most significant bit */
-       msb = __fls(x);
-
-       /*
-        * Use a rotate instead of a shift because that works both leftwards
-        * and rightwards due to the mod(32) behaviour.  This means we don't
-        * need to check to see if we are above 2^24 or not.
-        */
-       fraction = ror32(x, (msb - I2F_FRAC_BITS) & 0x1f) & I2F_MASK;
-       exponent = (127 + msb) << I2F_FRAC_BITS;
-
-       return fraction + exponent;
-}
-
 static int r600_nomm_get_vb(struct drm_device *dev)
 {
        drm_radeon_private_t *dev_priv = dev->dev_private;