src/panfrost/include/panfrost-quirks.h

   1 /*
   2  * Copyright (C) 2019 Collabora, Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 #ifndef __PANFROST_QUIRKS_H
  25 #define __PANFROST_QUIRKS_H
  26
  27 /* Model-specific quirks requiring workarounds/etc. Quirks may be errata
  28  * requiring a workaround, or features. We're trying to be quirk-positive
  29  * here; quirky is the best! */
  30
  31 /* Whether the GPU lacks the capability for hierarchical tiling, without an
  32  * "Advanced Tiling Unit", instead requiring a single bin size for the entire
  33  * framebuffer be selected by the driver */
  34
  35 #define MIDGARD_NO_HIER_TILING (1 << 0)
  36
  37 /* Whether this GPU lacks native multiple render target support and accordingly
  38  * needs SFBDs instead, with complex lowering with ES3 */
  39
  40 #define MIDGARD_SFBD (1 << 1)
  41
  42 static inline unsigned
  43 panfrost_get_quirks(unsigned gpu_id)
  44 {
  45         switch (gpu_id) {
  46         case 0x600:
  47         case 0x620:
  48                 return MIDGARD_SFBD;
  49
  50         case 0x720:
  51                 return MIDGARD_SFBD | MIDGARD_NO_HIER_TILING;
  52
  53         case 0x820:
  54         case 0x830:
  55                 return MIDGARD_NO_HIER_TILING;
  56
  57         case 0x750:
  58         case 0x860:
  59         case 0x880:
  60                 return 0;
  61
  62         default:
  63                 unreachable("Invalid Midgard GPU ID");
  64         }
  65 }
  66
  67 #endif