drm/vmwgfx: Add and make use of a header for surface size calculation.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/vmwgfx/svga3d_surfacedefs.h

@@ -0,0 +1,909 @@
+/**************************************************************************
+ *
+ * Copyright © 2008-2012 VMware, Inc., Palo Alto, CA., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifdef __KERNEL__
+
+#include <drm/vmwgfx_drm.h>
+#define surf_size_struct struct drm_vmw_size
+
+#else /* __KERNEL__ */
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(_A) (sizeof(_A) / sizeof((_A)[0]))
+#endif /* ARRAY_SIZE */
+
+#define DIV_ROUND_UP(x, y)  (((x) + (y) - 1) / (y))
+#define max_t(type, x, y)  ((x) > (y) ? (x) : (y))
+#define surf_size_struct SVGA3dSize
+#define u32 uint32
+
+#endif /* __KERNEL__ */
+
+#include "svga3d_reg.h"
+
+/*
+ * enum svga3d_block_desc describes the active data channels in a block.
+ *
+ * There can be at-most four active channels in a block:
+ *    1. Red, bump W, luminance and depth are stored in the first channel.
+ *    2. Green, bump V and stencil are stored in the second channel.
+ *    3. Blue and bump U are stored in the third channel.
+ *    4. Alpha and bump Q are stored in the fourth channel.
+ *
+ * Block channels can be used to store compressed and buffer data:
+ *    1. For compressed formats, only the data channel is used and its size
+ *       is equal to that of a singular block in the compression scheme.
+ *    2. For buffer formats, only the data channel is used and its size is
+ *       exactly one byte in length.
+ *    3. In each case the bit depth represent the size of a singular block.
+ *
+ * Note: Compressed and IEEE formats do not use the bitMask structure.
+ */
+
+enum svga3d_block_desc {
+	SVGA3DBLOCKDESC_NONE        = 0,         /* No channels are active */
+	SVGA3DBLOCKDESC_BLUE        = 1 << 0,    /* Block with red channel
+						    data */
+	SVGA3DBLOCKDESC_U           = 1 << 0,    /* Block with bump U channel
+						    data */
+	SVGA3DBLOCKDESC_UV_VIDEO    = 1 << 7,    /* Block with alternating video
+						    U and V */
+	SVGA3DBLOCKDESC_GREEN       = 1 << 1,    /* Block with green channel
+						    data */
+	SVGA3DBLOCKDESC_V           = 1 << 1,    /* Block with bump V channel
+						    data */
+	SVGA3DBLOCKDESC_STENCIL     = 1 << 1,    /* Block with a stencil
+						    channel */
+	SVGA3DBLOCKDESC_RED         = 1 << 2,    /* Block with blue channel
+						    data */
+	SVGA3DBLOCKDESC_W           = 1 << 2,    /* Block with bump W channel
+						    data */
+	SVGA3DBLOCKDESC_LUMINANCE   = 1 << 2,    /* Block with luminance channel
+						    data */
+	SVGA3DBLOCKDESC_Y           = 1 << 2,    /* Block with video luminance
+						    data */
+	SVGA3DBLOCKDESC_DEPTH       = 1 << 2,    /* Block with depth channel */
+	SVGA3DBLOCKDESC_ALPHA       = 1 << 3,    /* Block with an alpha
+						    channel */
+	SVGA3DBLOCKDESC_Q           = 1 << 3,    /* Block with bump Q channel
+						    data */
+	SVGA3DBLOCKDESC_BUFFER      = 1 << 4,    /* Block stores 1 byte of
+						    data */
+	SVGA3DBLOCKDESC_COMPRESSED  = 1 << 5,    /* Block stores n bytes of
+						    data depending on the
+						    compression method used */
+	SVGA3DBLOCKDESC_IEEE_FP     = 1 << 6,    /* Block stores data in an IEEE
+						    floating point
+						    representation in
+						    all channels */
+	SVGA3DBLOCKDESC_PLANAR_YUV  = 1 << 8,    /* Three separate blocks store
+						    data. */
+	SVGA3DBLOCKDESC_U_VIDEO     = 1 << 9,    /* Block with U video data */
+	SVGA3DBLOCKDESC_V_VIDEO     = 1 << 10,   /* Block with V video data */
+	SVGA3DBLOCKDESC_EXP         = 1 << 11,   /* Shared exponent */
+	SVGA3DBLOCKDESC_SRGB        = 1 << 12,   /* Data is in sRGB format */
+	SVGA3DBLOCKDESC_2PLANAR_YUV = 1 << 13,   /* 2 planes of Y, UV,
+						    e.g., NV12. */
+	SVGA3DBLOCKDESC_3PLANAR_YUV = 1 << 14,   /* 3 planes of separate
+						    Y, U, V, e.g., YV12. */
+
+	SVGA3DBLOCKDESC_RG         = SVGA3DBLOCKDESC_RED |
+	SVGA3DBLOCKDESC_GREEN,
+	SVGA3DBLOCKDESC_RGB        = SVGA3DBLOCKDESC_RG |
+	SVGA3DBLOCKDESC_BLUE,
+	SVGA3DBLOCKDESC_RGB_SRGB   = SVGA3DBLOCKDESC_RGB |
+	SVGA3DBLOCKDESC_SRGB,
+	SVGA3DBLOCKDESC_RGBA       = SVGA3DBLOCKDESC_RGB |
+	SVGA3DBLOCKDESC_ALPHA,
+	SVGA3DBLOCKDESC_RGBA_SRGB  = SVGA3DBLOCKDESC_RGBA |
+	SVGA3DBLOCKDESC_SRGB,
+	SVGA3DBLOCKDESC_UV         = SVGA3DBLOCKDESC_U |
+	SVGA3DBLOCKDESC_V,
+	SVGA3DBLOCKDESC_UVL        = SVGA3DBLOCKDESC_UV |
+	SVGA3DBLOCKDESC_LUMINANCE,
+	SVGA3DBLOCKDESC_UVW        = SVGA3DBLOCKDESC_UV |
+	SVGA3DBLOCKDESC_W,
+	SVGA3DBLOCKDESC_UVWA       = SVGA3DBLOCKDESC_UVW |
+	SVGA3DBLOCKDESC_ALPHA,
+	SVGA3DBLOCKDESC_UVWQ       = SVGA3DBLOCKDESC_U |
+	SVGA3DBLOCKDESC_V |
+	SVGA3DBLOCKDESC_W |
+	SVGA3DBLOCKDESC_Q,
+	SVGA3DBLOCKDESC_LA         = SVGA3DBLOCKDESC_LUMINANCE |
+	SVGA3DBLOCKDESC_ALPHA,
+	SVGA3DBLOCKDESC_R_FP       = SVGA3DBLOCKDESC_RED |
+	SVGA3DBLOCKDESC_IEEE_FP,
+	SVGA3DBLOCKDESC_RG_FP      = SVGA3DBLOCKDESC_R_FP |
+	SVGA3DBLOCKDESC_GREEN,
+	SVGA3DBLOCKDESC_RGB_FP     = SVGA3DBLOCKDESC_RG_FP |
+	SVGA3DBLOCKDESC_BLUE,
+	SVGA3DBLOCKDESC_RGBA_FP    = SVGA3DBLOCKDESC_RGB_FP |
+	SVGA3DBLOCKDESC_ALPHA,
+	SVGA3DBLOCKDESC_DS         = SVGA3DBLOCKDESC_DEPTH |
+	SVGA3DBLOCKDESC_STENCIL,
+	SVGA3DBLOCKDESC_YUV        = SVGA3DBLOCKDESC_UV_VIDEO |
+	SVGA3DBLOCKDESC_Y,
+	SVGA3DBLOCKDESC_AYUV       = SVGA3DBLOCKDESC_ALPHA |
+	SVGA3DBLOCKDESC_Y |
+	SVGA3DBLOCKDESC_U_VIDEO |
+	SVGA3DBLOCKDESC_V_VIDEO,
+	SVGA3DBLOCKDESC_RGBE       = SVGA3DBLOCKDESC_RGB |
+	SVGA3DBLOCKDESC_EXP,
+	SVGA3DBLOCKDESC_COMPRESSED_SRGB = SVGA3DBLOCKDESC_COMPRESSED |
+	SVGA3DBLOCKDESC_SRGB,
+	SVGA3DBLOCKDESC_NV12       = SVGA3DBLOCKDESC_PLANAR_YUV |
+	SVGA3DBLOCKDESC_2PLANAR_YUV,
+	SVGA3DBLOCKDESC_YV12       = SVGA3DBLOCKDESC_PLANAR_YUV |
+	SVGA3DBLOCKDESC_3PLANAR_YUV,
+};
+
+/*
+ * SVGA3dSurfaceDesc describes the actual pixel data.
+ *
+ * This structure provides the following information:
+ *    1. Block description.
+ *    2. Dimensions of a block in the surface.
+ *    3. Size of block in bytes.
+ *    4. Bit depth of the pixel data.
+ *    5. Channel bit depths and masks (if applicable).
+ */
+#define SVGA3D_CHANNEL_DEF(type)		\
+	struct {				\
+		union {				\
+			type blue;              \
+			type u;                 \
+			type uv_video;          \
+			type u_video;           \
+		};				\
+		union {				\
+			type green;             \
+			type v;                 \
+			type stencil;           \
+			type v_video;           \
+		};				\
+		union {				\
+			type red;               \
+			type w;                 \
+			type luminance;         \
+			type y;                 \
+			type depth;             \
+			type data;              \
+		};				\
+		union {				\
+			type alpha;             \
+			type q;                 \
+			type exp;               \
+		};				\
+	}
+
+struct svga3d_surface_desc {
+	enum svga3d_block_desc block_desc;
+	surf_size_struct block_size;
+	u32 bytes_per_block;
+	u32 pitch_bytes_per_block;
+
+	struct {
+		u32 total;
+		SVGA3D_CHANNEL_DEF(uint8);
+	} bit_depth;
+
+	struct {
+		SVGA3D_CHANNEL_DEF(uint8);
+	} bit_offset;
+};
+
+static const struct svga3d_surface_desc svga3d_surface_descs[] = {
+	{SVGA3DBLOCKDESC_NONE,
+	 {1, 1, 1},  0, 0, {0, {{0}, {0}, {0}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_FORMAT_INVALID */
+
+	{SVGA3DBLOCKDESC_RGB,
+	 {1, 1, 1},  4, 4, {24, {{8}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {16}, {24} } } },   /* SVGA3D_X8R8G8B8 */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{0}, {8}, {16}, {24} } } },   /* SVGA3D_A8R8G8B8 */
+
+	{SVGA3DBLOCKDESC_RGB,
+	 {1, 1, 1},  2, 2, {16, {{5}, {6}, {5}, {0} } },
+	 {{{0}, {5}, {11}, {0} } } },    /* SVGA3D_R5G6B5 */
+
+	{SVGA3DBLOCKDESC_RGB,
+	 {1, 1, 1},  2, 2, {15, {{5}, {5}, {5}, {0} } },
+	 {{{0}, {5}, {10}, {0} } } },    /* SVGA3D_X1R5G5B5 */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  2, 2, {16, {{5}, {5}, {5}, {1} } },
+	 {{{0}, {5}, {10}, {15} } } },   /* SVGA3D_A1R5G5B5 */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  2, 2, {16, {{4}, {4}, {4}, {4} } },
+	 {{{0}, {4}, {8}, {12} } } },    /* SVGA3D_A4R4G4B4 */
+
+	{SVGA3DBLOCKDESC_DEPTH,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {32}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_Z_D32 */
+
+	{SVGA3DBLOCKDESC_DEPTH,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_Z_D16 */
+
+	{SVGA3DBLOCKDESC_DS,
+	 {1, 1, 1},  4, 4, {32, {{0}, {8}, {24}, {0} } },
+	 {{{0}, {24}, {0}, {0} } } },    /* SVGA3D_Z_D24S8 */
+
+	{SVGA3DBLOCKDESC_DS,
+	 {1, 1, 1},  2, 2, {16, {{0}, {1}, {15}, {0} } },
+	 {{{0}, {15}, {0}, {0} } } },    /* SVGA3D_Z_D15S1 */
+
+	{SVGA3DBLOCKDESC_LUMINANCE,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_LUMINANCE8 */
+
+	{SVGA3DBLOCKDESC_LA,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {4}, {4} } },
+	 {{{0}, {0}, {0}, {4} } } },     /* SVGA3D_LUMINANCE4_ALPHA4 */
+
+	{SVGA3DBLOCKDESC_LUMINANCE,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_LUMINANCE16 */
+
+	{SVGA3DBLOCKDESC_LA,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {8}, {8} } },
+	 {{{0}, {0}, {0}, {8} } } },     /* SVGA3D_LUMINANCE8_ALPHA8 */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  8, 8, {64, {{0}, {0}, {64}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_DXT1 */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_DXT2 */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_DXT3 */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_DXT4 */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_DXT5 */
+
+	{SVGA3DBLOCKDESC_UV,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {8}, {8} } },
+	 {{{0}, {0}, {0}, {8} } } },     /* SVGA3D_BUMPU8V8 */
+
+	{SVGA3DBLOCKDESC_UVL,
+	 {1, 1, 1},  2, 2, {16, {{5}, {5}, {6}, {0} } },
+	 {{{11}, {6}, {0}, {0} } } },    /* SVGA3D_BUMPL6V5U5 */
+
+	{SVGA3DBLOCKDESC_UVL,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {0} } },
+	 {{{16}, {8}, {0}, {0} } } },    /* SVGA3D_BUMPX8L8V8U8 */
+
+	{SVGA3DBLOCKDESC_UVL,
+	 {1, 1, 1},  3, 3, {24, {{8}, {8}, {8}, {0} } },
+	 {{{16}, {8}, {0}, {0} } } },    /* SVGA3D_BUMPL8V8U8 */
+
+	{SVGA3DBLOCKDESC_RGBA_FP,
+	 {1, 1, 1},  8, 8, {64, {{16}, {16}, {16}, {16} } },
+	 {{{32}, {16}, {0}, {48} } } },  /* SVGA3D_ARGB_S10E5 */
+
+	{SVGA3DBLOCKDESC_RGBA_FP,
+	 {1, 1, 1},  16, 16, {128, {{32}, {32}, {32}, {32} } },
+	 {{{64}, {32}, {0}, {96} } } },  /* SVGA3D_ARGB_S23E8 */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{10}, {10}, {10}, {2} } },
+	 {{{0}, {10}, {20}, {30} } } },  /* SVGA3D_A2R10G10B10 */
+
+	{SVGA3DBLOCKDESC_UV,
+	 {1, 1, 1},  2, 2, {16, {{8}, {8}, {0}, {0} } },
+	 {{{8}, {0}, {0}, {0} } } },     /* SVGA3D_V8U8 */
+
+	{SVGA3DBLOCKDESC_UVWQ,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{24}, {16}, {8}, {0} } } },   /* SVGA3D_Q8W8V8U8 */
+
+	{SVGA3DBLOCKDESC_UV,
+	 {1, 1, 1},  2, 2, {16, {{8}, {8}, {0}, {0} } },
+	 {{{8}, {0}, {0}, {0} } } },     /* SVGA3D_CxV8U8 */
+
+	{SVGA3DBLOCKDESC_UVL,
+	 {1, 1, 1},  4, 4, {24, {{8}, {8}, {8}, {0} } },
+	 {{{16}, {8}, {0}, {0} } } },    /* SVGA3D_X8L8V8U8 */
+
+	{SVGA3DBLOCKDESC_UVWA,
+	 {1, 1, 1},  4, 4, {32, {{10}, {10}, {10}, {2} } },
+	 {{{0}, {10}, {20}, {30} } } },  /* SVGA3D_A2W10V10U10 */
+
+	{SVGA3DBLOCKDESC_ALPHA,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {0}, {8} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_ALPHA8 */
+
+	{SVGA3DBLOCKDESC_R_FP,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R_S10E5 */
+
+	{SVGA3DBLOCKDESC_R_FP,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {32}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R_S23E8 */
+
+	{SVGA3DBLOCKDESC_RG_FP,
+	 {1, 1, 1},  4, 4, {32, {{0}, {16}, {16}, {0} } },
+	 {{{0}, {16}, {0}, {0} } } },    /* SVGA3D_RG_S10E5 */
+
+	{SVGA3DBLOCKDESC_RG_FP,
+	 {1, 1, 1},  8, 8, {64, {{0}, {32}, {32}, {0} } },
+	 {{{0}, {32}, {0}, {0} } } },    /* SVGA3D_RG_S23E8 */
+
+	{SVGA3DBLOCKDESC_BUFFER,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BUFFER */
+
+	{SVGA3DBLOCKDESC_DEPTH,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {24}, {0} } },
+	 {{{0}, {24}, {0}, {0} } } },    /* SVGA3D_Z_D24X8 */
+
+	{SVGA3DBLOCKDESC_UV,
+	 {1, 1, 1},  4, 4, {32, {{16}, {16}, {0}, {0} } },
+	 {{{16}, {0}, {0}, {0} } } },    /* SVGA3D_V16U16 */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  4, 4, {32, {{0}, {16}, {16}, {0} } },
+	 {{{0}, {0}, {16}, {0} } } },    /* SVGA3D_G16R16 */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  8, 8, {64, {{16}, {16}, {16}, {16} } },
+	 {{{32}, {16}, {0}, {48} } } },  /* SVGA3D_A16B16G16R16 */
+
+	{SVGA3DBLOCKDESC_YUV,
+	 {1, 1, 1},  2, 2, {16, {{8}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {8}, {0} } } },     /* SVGA3D_UYVY */
+
+	{SVGA3DBLOCKDESC_YUV,
+	 {1, 1, 1},  2, 2, {16, {{8}, {0}, {8}, {0} } },
+	 {{{8}, {0}, {0}, {0} } } },     /* SVGA3D_YUY2 */
+
+	{SVGA3DBLOCKDESC_NV12,
+	 {2, 2, 1},  6, 2, {48, {{0}, {0}, {48}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_NV12 */
+
+	{SVGA3DBLOCKDESC_AYUV,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{0}, {8}, {16}, {24} } } },   /* SVGA3D_AYUV */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  16, 16, {128, {{32}, {32}, {32}, {32} } },
+	 {{{64}, {32}, {0}, {96} } } },  /* SVGA3D_R32G32B32A32_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  16, 16, {128, {{32}, {32}, {32}, {32} } },
+	 {{{64}, {32}, {0}, {96} } } },  /* SVGA3D_R32G32B32A32_UINT */
+
+	{SVGA3DBLOCKDESC_UVWQ,
+	 {1, 1, 1},  16, 16, {128, {{32}, {32}, {32}, {32} } },
+	 {{{64}, {32}, {0}, {96} } } },  /* SVGA3D_R32G32B32A32_SINT */
+
+	{SVGA3DBLOCKDESC_RGB,
+	 {1, 1, 1},  12, 12, {96, {{32}, {32}, {32}, {0} } },
+	 {{{64}, {32}, {0}, {0} } } },   /* SVGA3D_R32G32B32_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RGB_FP,
+	 {1, 1, 1},  12, 12, {96, {{32}, {32}, {32}, {0} } },
+	 {{{64}, {32}, {0}, {0} } } },   /* SVGA3D_R32G32B32_FLOAT */
+
+	{SVGA3DBLOCKDESC_RGB,
+	 {1, 1, 1},  12, 12, {96, {{32}, {32}, {32}, {0} } },
+	 {{{64}, {32}, {0}, {0} } } },   /* SVGA3D_R32G32B32_UINT */
+
+	{SVGA3DBLOCKDESC_UVW,
+	 {1, 1, 1},  12, 12, {96, {{32}, {32}, {32}, {0} } },
+	 {{{64}, {32}, {0}, {0} } } },   /* SVGA3D_R32G32B32_SINT */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  8, 8, {64, {{16}, {16}, {16}, {16} } },
+	 {{{32}, {16}, {0}, {48} } } },  /* SVGA3D_R16G16B16A16_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  8, 8, {64, {{16}, {16}, {16}, {16} } },
+	 {{{32}, {16}, {0}, {48} } } },  /* SVGA3D_R16G16B16A16_UINT */
+
+	{SVGA3DBLOCKDESC_UVWQ,
+	 {1, 1, 1},  8, 8, {64, {{16}, {16}, {16}, {16} } },
+	 {{{32}, {16}, {0}, {48} } } },  /* SVGA3D_R16G16B16A16_SNORM */
+
+	{SVGA3DBLOCKDESC_UVWQ,
+	 {1, 1, 1},  8, 8, {64, {{16}, {16}, {16}, {16} } },
+	 {{{32}, {16}, {0}, {48} } } },  /* SVGA3D_R16G16B16A16_SINT */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  8, 8, {64, {{0}, {32}, {32}, {0} } },
+	 {{{0}, {32}, {0}, {0} } } },    /* SVGA3D_R32G32_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  8, 8, {64, {{0}, {32}, {32}, {0} } },
+	 {{{0}, {32}, {0}, {0} } } },    /* SVGA3D_R32G32_UINT */
+
+	{SVGA3DBLOCKDESC_UV,
+	 {1, 1, 1},  8, 8, {64, {{0}, {32}, {32}, {0} } },
+	 {{{0}, {32}, {0}, {0} } } },    /* SVGA3D_R32G32_SINT */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  8, 8, {64, {{0}, {8}, {32}, {0} } },
+	 {{{0}, {32}, {0}, {0} } } },    /* SVGA3D_R32G8X24_TYPELESS */
+
+	{SVGA3DBLOCKDESC_DS,
+	 {1, 1, 1},  8, 8, {64, {{0}, {8}, {32}, {0} } },
+	 {{{0}, {32}, {0}, {0} } } },    /* SVGA3D_D32_FLOAT_S8X24_UINT */
+
+	{SVGA3DBLOCKDESC_R_FP,
+	 {1, 1, 1},  8, 8, {64, {{0}, {0}, {32}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },    /* SVGA3D_R32_FLOAT_X8_X24_TYPELESS */
+
+	{SVGA3DBLOCKDESC_GREEN,
+	 {1, 1, 1},  8, 8, {64, {{0}, {8}, {0}, {0} } },
+	 {{{0}, {32}, {0}, {0} } } },    /* SVGA3D_X32_TYPELESS_G8X24_UINT */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{10}, {10}, {10}, {2} } },
+	 {{{0}, {10}, {20}, {30} } } },  /* SVGA3D_R10G10B10A2_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{10}, {10}, {10}, {2} } },
+	 {{{0}, {10}, {20}, {30} } } },  /* SVGA3D_R10G10B10A2_UINT */
+
+	{SVGA3DBLOCKDESC_RGB_FP,
+	 {1, 1, 1},  4, 4, {32, {{10}, {11}, {11}, {0} } },
+	 {{{0}, {10}, {21}, {0} } } },  /* SVGA3D_R11G11B10_FLOAT */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{16}, {8}, {0}, {24} } } },   /* SVGA3D_R8G8B8A8_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{16}, {8}, {0}, {24} } } },   /* SVGA3D_R8G8B8A8_UNORM */
+
+	{SVGA3DBLOCKDESC_RGBA_SRGB,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{16}, {8}, {0}, {24} } } },   /* SVGA3D_R8G8B8A8_UNORM_SRGB */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{16}, {8}, {0}, {24} } } },   /* SVGA3D_R8G8B8A8_UINT */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{16}, {8}, {0}, {24} } } },   /* SVGA3D_R8G8B8A8_SINT */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  4, 4, {32, {{0}, {16}, {16}, {0} } },
+	 {{{0}, {16}, {0}, {0} } } },    /* SVGA3D_R16G16_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RG_FP,
+	 {1, 1, 1},  4, 4, {32, {{0}, {16}, {16}, {0} } },
+	 {{{0}, {16}, {0}, {0} } } },    /* SVGA3D_R16G16_UINT */
+
+	{SVGA3DBLOCKDESC_UV,
+	 {1, 1, 1},  4, 4, {32, {{0}, {16}, {16}, {0} } },
+	 {{{0}, {16}, {0}, {0} } } },    /* SVGA3D_R16G16_SINT */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {32}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R32_TYPELESS */
+
+	{SVGA3DBLOCKDESC_DEPTH,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {32}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_D32_FLOAT */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {32}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R32_UINT */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {32}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R32_SINT */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  4, 4, {32, {{0}, {8}, {24}, {0} } },
+	 {{{0}, {24}, {0}, {0} } } },    /* SVGA3D_R24G8_TYPELESS */
+
+	{SVGA3DBLOCKDESC_DS,
+	 {1, 1, 1},  4, 4, {32, {{0}, {8}, {24}, {0} } },
+	 {{{0}, {24}, {0}, {0} } } },    /* SVGA3D_D24_UNORM_S8_UINT */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  4, 4, {32, {{0}, {0}, {24}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R24_UNORM_X8_TYPELESS */
+
+	{SVGA3DBLOCKDESC_GREEN,
+	 {1, 1, 1},  4, 4, {32, {{0}, {8}, {0}, {0} } },
+	 {{{0}, {24}, {0}, {0} } } },    /* SVGA3D_X24_TYPELESS_G8_UINT */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  2, 2, {16, {{0}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {0}, {0} } } },     /* SVGA3D_R8G8_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  2, 2, {16, {{0}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {0}, {0} } } },     /* SVGA3D_R8G8_UNORM */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  2, 2, {16, {{0}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {0}, {0} } } },     /* SVGA3D_R8G8_UINT */
+
+	{SVGA3DBLOCKDESC_UV,
+	 {1, 1, 1},  2, 2, {16, {{0}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {0}, {0} } } },     /* SVGA3D_R8G8_SINT */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R16_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R16_UNORM */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R16_UINT */
+
+	{SVGA3DBLOCKDESC_U,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R16_SNORM */
+
+	{SVGA3DBLOCKDESC_U,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R16_SINT */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R8_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R8_UNORM */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R8_UINT */
+
+	{SVGA3DBLOCKDESC_U,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R8_SNORM */
+
+	{SVGA3DBLOCKDESC_U,
+	 {1, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R8_SINT */
+
+	{SVGA3DBLOCKDESC_RED,
+	 {8, 1, 1},  1, 1, {8, {{0}, {0}, {8}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_R1_UNORM */
+
+	{SVGA3DBLOCKDESC_RGBE,
+	 {1, 1, 1},  4, 4, {32, {{9}, {9}, {9}, {5} } },
+	 {{{18}, {9}, {0}, {27} } } },   /* SVGA3D_R9G9B9E5_SHAREDEXP */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  2, 2, {16, {{0}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {0}, {0} } } },     /* SVGA3D_R8G8_B8G8_UNORM */
+
+	{SVGA3DBLOCKDESC_RG,
+	 {1, 1, 1},  2, 2, {16, {{0}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {0}, {0} } } },     /* SVGA3D_G8R8_G8B8_UNORM */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  8, 8, {64, {{0}, {0}, {64}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC1_TYPELESS */
+
+	{SVGA3DBLOCKDESC_COMPRESSED_SRGB,
+	 {4, 4, 1},  8, 8, {64, {{0}, {0}, {64}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC1_UNORM_SRGB */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC2_TYPELESS */
+
+	{SVGA3DBLOCKDESC_COMPRESSED_SRGB,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC2_UNORM_SRGB */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC3_TYPELESS */
+
+	{SVGA3DBLOCKDESC_COMPRESSED_SRGB,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC3_UNORM_SRGB */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  8, 8, {64, {{0}, {0}, {64}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC4_TYPELESS */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  8, 8, {64, {{0}, {0}, {64}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC4_UNORM */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  8, 8, {64, {{0}, {0}, {64}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC4_SNORM */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC5_TYPELESS */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC5_UNORM */
+
+	{SVGA3DBLOCKDESC_COMPRESSED,
+	 {4, 4, 1},  16, 16, {128, {{0}, {0}, {128}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_BC5_SNORM */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{10}, {10}, {10}, {2} } },
+	 {{{0}, {10}, {20}, {30} } } },  /* SVGA3D_R10G10B10_XR_BIAS_A2_UNORM */
+
+	{SVGA3DBLOCKDESC_RGBA,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{0}, {8}, {16}, {24} } } },   /* SVGA3D_B8G8R8A8_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RGBA_SRGB,
+	 {1, 1, 1},  4, 4, {32, {{8}, {8}, {8}, {8} } },
+	 {{{0}, {8}, {16}, {24} } } },   /* SVGA3D_B8G8R8A8_UNORM_SRGB */
+
+	{SVGA3DBLOCKDESC_RGB,
+	 {1, 1, 1},  4, 4, {24, {{8}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {16}, {24} } } },   /* SVGA3D_B8G8R8X8_TYPELESS */
+
+	{SVGA3DBLOCKDESC_RGB_SRGB,
+	 {1, 1, 1},  4, 4, {24, {{8}, {8}, {8}, {0} } },
+	 {{{0}, {8}, {16}, {24} } } },   /* SVGA3D_B8G8R8X8_UNORM_SRGB */
+
+	{SVGA3DBLOCKDESC_DEPTH,
+	 {1, 1, 1},  2, 2, {16, {{0}, {0}, {16}, {0} } },
+	 {{{0}, {0}, {0}, {0} } } },     /* SVGA3D_Z_DF16 */
+
+	{SVGA3DBLOCKDESC_DS,
+	 {1, 1, 1},  4, 4, {32, {{0}, {8}, {24}, {0} } },
+	 {{{0}, {24}, {0}, {0} } } },    /* SVGA3D_Z_DF24 */
+
+	{SVGA3DBLOCKDESC_DS,
+	 {1, 1, 1},  4, 4, {32, {{0}, {8}, {24}, {0} } },
+	 {{{0}, {24}, {0}, {0} } } },    /* SVGA3D_Z_D24S8_INT */
+};
+
+static inline u32 clamped_umul32(u32 a, u32 b)
+{
+	uint64_t tmp = (uint64_t) a*b;
+	return (tmp > (uint64_t) ((u32) -1)) ? (u32) -1 : tmp;
+}
+
+static inline const struct svga3d_surface_desc *
+svga3dsurface_get_desc(SVGA3dSurfaceFormat format)
+{
+	if (format < ARRAY_SIZE(svga3d_surface_descs))
+		return &svga3d_surface_descs[format];
+
+	return &svga3d_surface_descs[SVGA3D_FORMAT_INVALID];
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * svga3dsurface_get_mip_size --
+ *
+ *      Given a base level size and the mip level, compute the size of
+ *      the mip level.
+ *
+ * Results:
+ *      See above.
+ *
+ * Side effects:
+ *      None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static inline surf_size_struct
+svga3dsurface_get_mip_size(surf_size_struct base_level, u32 mip_level)
+{
+	surf_size_struct size;
+
+	size.width = max_t(u32, base_level.width >> mip_level, 1);
+	size.height = max_t(u32, base_level.height >> mip_level, 1);
+	size.depth = max_t(u32, base_level.depth >> mip_level, 1);
+	return size;
+}
+
+static inline void
+svga3dsurface_get_size_in_blocks(const struct svga3d_surface_desc *desc,
+				 const surf_size_struct *pixel_size,
+				 surf_size_struct *block_size)
+{
+	block_size->width = DIV_ROUND_UP(pixel_size->width,
+					 desc->block_size.width);
+	block_size->height = DIV_ROUND_UP(pixel_size->height,
+					  desc->block_size.height);
+	block_size->depth = DIV_ROUND_UP(pixel_size->depth,
+					 desc->block_size.depth);
+}
+
+static inline bool
+svga3dsurface_is_planar_surface(const struct svga3d_surface_desc *desc)
+{
+	return (desc->block_desc & SVGA3DBLOCKDESC_PLANAR_YUV) != 0;
+}
+
+static inline u32
+svga3dsurface_calculate_pitch(const struct svga3d_surface_desc *desc,
+			      const surf_size_struct *size)
+{
+	u32 pitch;
+	surf_size_struct blocks;
+
+	svga3dsurface_get_size_in_blocks(desc, size, &blocks);
+
+	pitch = blocks.width * desc->pitch_bytes_per_block;
+
+	return pitch;
+}
+
+/*
+ *-----------------------------------------------------------------------------
+ *
+ * svga3dsurface_get_image_buffer_size --
+ *
+ *      Return the number of bytes of buffer space required to store
+ *      one image of a surface, optionally using the specified pitch.
+ *
+ *      If pitch is zero, it is assumed that rows are tightly packed.
+ *
+ *      This function is overflow-safe. If the result would have
+ *      overflowed, instead we return MAX_UINT32.
+ *
+ * Results:
+ *      Byte count.
+ *
+ * Side effects:
+ *      None.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+static inline u32
+svga3dsurface_get_image_buffer_size(const struct svga3d_surface_desc *desc,
+				    const surf_size_struct *size,
+				    u32 pitch)
+{
+	surf_size_struct image_blocks;
+	u32 slice_size, total_size;
+
+	svga3dsurface_get_size_in_blocks(desc, size, &image_blocks);
+
+	if (svga3dsurface_is_planar_surface(desc)) {
+		total_size = clamped_umul32(image_blocks.width,
+					    image_blocks.height);
+		total_size = clamped_umul32(total_size, image_blocks.depth);
+		total_size = clamped_umul32(total_size, desc->bytes_per_block);
+		return total_size;
+	}
+
+	if (pitch == 0)
+		pitch = svga3dsurface_calculate_pitch(desc, size);
+
+	slice_size = clamped_umul32(image_blocks.height, pitch);
+	total_size = clamped_umul32(slice_size, image_blocks.depth);
+
+	return total_size;
+}
+
+static inline u32
+svga3dsurface_get_serialized_size(SVGA3dSurfaceFormat format,
+				  surf_size_struct base_level_size,
+				  u32 num_mip_levels,
+				  bool cubemap)
+{
+	const struct svga3d_surface_desc *desc = svga3dsurface_get_desc(format);
+	u32 total_size = 0;
+	u32 mip;
+
+	for (mip = 0; mip < num_mip_levels; mip++) {
+		surf_size_struct size =
+			svga3dsurface_get_mip_size(base_level_size, mip);
+		total_size += svga3dsurface_get_image_buffer_size(desc,
+								  &size, 0);
+	}
+
+	if (cubemap)
+		total_size *= SVGA3D_MAX_SURFACE_FACES;
+
+	return total_size;
+}
+
+
+/**
+ * svga3dsurface_get_pixel_offset - Compute the offset (in bytes) to a pixel
+ * in an image (or volume).
+ *
+ * @width: The image width in pixels.
+ * @height: The image height in pixels
+ */
+static inline u32
+svga3dsurface_get_pixel_offset(SVGA3dSurfaceFormat format,
+			       u32 width, u32 height,
+			       u32 x, u32 y, u32 z)
+{
+	const struct svga3d_surface_desc *desc = svga3dsurface_get_desc(format);
+	const u32 bw = desc->block_size.width, bh = desc->block_size.height;
+	const u32 bd = desc->block_size.depth;
+	const u32 rowstride = DIV_ROUND_UP(width, bw) * desc->bytes_per_block;
+	const u32 imgstride = DIV_ROUND_UP(height, bh) * rowstride;
+	const u32 offset = (z / bd * imgstride +
+			    y / bh * rowstride +
+			    x / bw * desc->bytes_per_block);
+	return offset;
+}
+
+
+static inline u32
+svga3dsurface_get_image_offset(SVGA3dSurfaceFormat format,
+			       surf_size_struct baseLevelSize,
+			       u32 numMipLevels,
+			       u32 face,
+			       u32 mip)
+
+{
+	u32 offset;
+	u32 mipChainBytes;
+	u32 mipChainBytesToLevel;
+	u32 i;
+	const struct svga3d_surface_desc *desc;
+	surf_size_struct mipSize;
+	u32 bytes;
+
+	desc = svga3dsurface_get_desc(format);
+
+	mipChainBytes = 0;
+	mipChainBytesToLevel = 0;
+	for (i = 0; i < numMipLevels; i++) {
+		mipSize = svga3dsurface_get_mip_size(baseLevelSize, i);
+		bytes = svga3dsurface_get_image_buffer_size(desc, &mipSize, 0);
+		mipChainBytes += bytes;
+		if (i < mip)
+			mipChainBytesToLevel += bytes;
+	}
+
+	offset = mipChainBytes * face + mipChainBytesToLevel;
+
+	return offset;
+}

drivers/gpu/drm/vmwgfx/vmwgfx_surface.c

@@ -28,6 +28,7 @@
 #include "vmwgfx_drv.h"
 #include "vmwgfx_resource_priv.h"
 #include <ttm/ttm_placement.h>
+#include "svga3d_surfacedefs.h"
 
 /**
  * struct vmw_user_surface - User-space visible surface resource
@@ -92,85 +93,6 @@ static const struct vmw_res_func vmw_legacy_surface_func = {
 	.unbind = &vmw_legacy_srf_unbind
 };
 
-/**
- * struct vmw_bpp - Bits per pixel info for surface storage size computation.
- *
- * @bpp:         Bits per pixel.
- * @s_bpp:       Stride bits per pixel. See definition below.
- *
- */
-struct vmw_bpp {
-	uint8_t bpp;
-	uint8_t s_bpp;
-};
-
-/*
- * Size table for the supported SVGA3D surface formats. It consists of
- * two values. The bpp value and the s_bpp value which is short for
- * "stride bits per pixel" The values are given in such a way that the
- * minimum stride for the image is calculated using
- *
- * min_stride = w*s_bpp
- *
- * and the total memory requirement for the image is
- *
- * h*min_stride*bpp/s_bpp
- *
- */
-static const struct vmw_bpp vmw_sf_bpp[] = {
-	[SVGA3D_FORMAT_INVALID] = {0, 0},
-	[SVGA3D_X8R8G8B8] = {32, 32},
-	[SVGA3D_A8R8G8B8] = {32, 32},
-	[SVGA3D_R5G6B5] = {16, 16},
-	[SVGA3D_X1R5G5B5] = {16, 16},
-	[SVGA3D_A1R5G5B5] = {16, 16},
-	[SVGA3D_A4R4G4B4] = {16, 16},
-	[SVGA3D_Z_D32] = {32, 32},
-	[SVGA3D_Z_D16] = {16, 16},
-	[SVGA3D_Z_D24S8] = {32, 32},
-	[SVGA3D_Z_D15S1] = {16, 16},
-	[SVGA3D_LUMINANCE8] = {8, 8},
-	[SVGA3D_LUMINANCE4_ALPHA4] = {8, 8},
-	[SVGA3D_LUMINANCE16] = {16, 16},
-	[SVGA3D_LUMINANCE8_ALPHA8] = {16, 16},
-	[SVGA3D_DXT1] = {4, 16},
-	[SVGA3D_DXT2] = {8, 32},
-	[SVGA3D_DXT3] = {8, 32},
-	[SVGA3D_DXT4] = {8, 32},
-	[SVGA3D_DXT5] = {8, 32},
-	[SVGA3D_BUMPU8V8] = {16, 16},
-	[SVGA3D_BUMPL6V5U5] = {16, 16},
-	[SVGA3D_BUMPX8L8V8U8] = {32, 32},
-	[SVGA3D_ARGB_S10E5] = {16, 16},
-	[SVGA3D_ARGB_S23E8] = {32, 32},
-	[SVGA3D_A2R10G10B10] = {32, 32},
-	[SVGA3D_V8U8] = {16, 16},
-	[SVGA3D_Q8W8V8U8] = {32, 32},
-	[SVGA3D_CxV8U8] = {16, 16},
-	[SVGA3D_X8L8V8U8] = {32, 32},
-	[SVGA3D_A2W10V10U10] = {32, 32},
-	[SVGA3D_ALPHA8] = {8, 8},
-	[SVGA3D_R_S10E5] = {16, 16},
-	[SVGA3D_R_S23E8] = {32, 32},
-	[SVGA3D_RG_S10E5] = {16, 16},
-	[SVGA3D_RG_S23E8] = {32, 32},
-	[SVGA3D_BUFFER] = {8, 8},
-	[SVGA3D_Z_D24X8] = {32, 32},
-	[SVGA3D_V16U16] = {32, 32},
-	[SVGA3D_G16R16] = {32, 32},
-	[SVGA3D_A16B16G16R16] = {64,  64},
-	[SVGA3D_UYVY] = {12, 12},
-	[SVGA3D_YUY2] = {12, 12},
-	[SVGA3D_NV12] = {12, 8},
-	[SVGA3D_AYUV] = {32, 32},
-	[SVGA3D_BC4_UNORM] = {4,  16},
-	[SVGA3D_BC5_UNORM] = {8,  32},
-	[SVGA3D_Z_DF16] = {16,  16},
-	[SVGA3D_Z_DF24] = {24,  24},
-	[SVGA3D_Z_D24S8_INT] = {32,  32}
-};
-
-
 /**
  * struct vmw_surface_dma - SVGA3D DMA command
  */
@@ -307,9 +229,9 @@ static void vmw_surface_dma_encode(struct vmw_surface *srf,
 				   bool to_surface)
 {
 	uint32_t i;
-	uint32_t bpp = vmw_sf_bpp[srf->format].bpp;
-	uint32_t stride_bpp = vmw_sf_bpp[srf->format].s_bpp;
 	struct vmw_surface_dma *cmd = (struct vmw_surface_dma *)cmd_space;
+	const struct svga3d_surface_desc *desc =
+		svga3dsurface_get_desc(srf->format);
 
 	for (i = 0; i < srf->num_sizes; ++i) {
 		SVGA3dCmdHeader *header = &cmd->header;
@@ -324,7 +246,8 @@ static void vmw_surface_dma_encode(struct vmw_surface *srf,
 
 		body->guest.ptr = *ptr;
 		body->guest.ptr.offset += cur_offset->bo_offset;
-		body->guest.pitch = (cur_size->width * stride_bpp + 7) >> 3;
+		body->guest.pitch = svga3dsurface_calculate_pitch(desc,
+								  cur_size);
 		body->host.sid = srf->res.id;
 		body->host.face = cur_offset->face;
 		body->host.mipmap = cur_offset->mip;
@@ -341,8 +264,9 @@ static void vmw_surface_dma_encode(struct vmw_surface *srf,
 		cb->d = cur_size->depth;
 
 		suffix->suffixSize = sizeof(*suffix);
-		suffix->maximumOffset = body->guest.pitch*cur_size->height*
-			cur_size->depth*bpp / stride_bpp;
+		suffix->maximumOffset =
+			svga3dsurface_get_image_buffer_size(desc, cur_size,
+							    body->guest.pitch);
 		suffix->flags.discard = 0;
 		suffix->flags.unsynchronized = 0;
 		suffix->flags.reserved = 0;
@@ -743,11 +667,10 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 	uint32_t cur_bo_offset;
 	struct drm_vmw_size *cur_size;
 	struct vmw_surface_offset *cur_offset;
-	uint32_t stride_bpp;
-	uint32_t bpp;
 	uint32_t num_sizes;
 	uint32_t size;
 	struct vmw_master *vmaster = vmw_master(file_priv->master);
+	const struct svga3d_surface_desc *desc;
 
 	if (unlikely(vmw_user_surface_size == 0))
 		vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +
@@ -766,6 +689,12 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 		ttm_round_pot(num_sizes * sizeof(struct vmw_surface_offset));
 
 
+	desc = svga3dsurface_get_desc(req->format);
+	if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) {
+		DRM_ERROR("Invalid surface format for surface creation.\n");
+		return -EINVAL;
+	}
+
 	ret = ttm_read_lock(&vmaster->lock, true);
 	if (unlikely(ret != 0))
 		return ret;
@@ -826,25 +755,21 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 	cur_offset = srf->offsets;
 	cur_size = srf->sizes;
 
-	bpp = vmw_sf_bpp[srf->format].bpp;
-	stride_bpp = vmw_sf_bpp[srf->format].s_bpp;
-
 	for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) {
 		for (j = 0; j < srf->mip_levels[i]; ++j) {
-			uint32_t stride =
-				(cur_size->width * stride_bpp + 7) >> 3;
+			uint32_t stride = svga3dsurface_calculate_pitch
+				(desc, cur_size);
 
 			cur_offset->face = i;
 			cur_offset->mip = j;
 			cur_offset->bo_offset = cur_bo_offset;
-			cur_bo_offset += stride * cur_size->height *
-				cur_size->depth * bpp / stride_bpp;
+			cur_bo_offset += svga3dsurface_get_image_buffer_size
+				(desc, cur_size, stride);
 			++cur_offset;
 			++cur_size;
 		}
 	}
 	res->backup_size = cur_bo_offset;
-
 	if (srf->scanout &&
 	    srf->num_sizes == 1 &&
 	    srf->sizes[0].width == 64 &&