| /* |
| * Copyright 2017 Intel Corporation |
| * |
| * 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, sublicense, |
| * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| */ |
| |
| #include <assert.h> |
| #include <stdlib.h> |
| |
| #include "drm-uapi/drm_fourcc.h" |
| #include "drm-uapi/i915_drm.h" |
| |
| #include "isl.h" |
| #include "dev/gen_device_info.h" |
| |
| uint32_t |
| isl_tiling_to_i915_tiling(enum isl_tiling tiling) |
| { |
| switch (tiling) { |
| case ISL_TILING_LINEAR: |
| return I915_TILING_NONE; |
| |
| case ISL_TILING_X: |
| return I915_TILING_X; |
| |
| case ISL_TILING_Y0: |
| case ISL_TILING_HIZ: |
| case ISL_TILING_CCS: |
| return I915_TILING_Y; |
| |
| case ISL_TILING_W: |
| case ISL_TILING_Yf: |
| case ISL_TILING_Ys: |
| case ISL_TILING_GEN12_CCS: |
| return I915_TILING_NONE; |
| } |
| |
| unreachable("Invalid ISL tiling"); |
| } |
| |
| enum isl_tiling |
| isl_tiling_from_i915_tiling(uint32_t tiling) |
| { |
| switch (tiling) { |
| case I915_TILING_NONE: |
| return ISL_TILING_LINEAR; |
| |
| case I915_TILING_X: |
| return ISL_TILING_X; |
| |
| case I915_TILING_Y: |
| return ISL_TILING_Y0; |
| } |
| |
| unreachable("Invalid i915 tiling"); |
| } |
| |
| static const struct isl_drm_modifier_info modifier_info[] = { |
| { |
| .modifier = DRM_FORMAT_MOD_NONE, |
| .name = "DRM_FORMAT_MOD_NONE", |
| .tiling = ISL_TILING_LINEAR, |
| }, |
| { |
| .modifier = I915_FORMAT_MOD_X_TILED, |
| .name = "I915_FORMAT_MOD_X_TILED", |
| .tiling = ISL_TILING_X, |
| }, |
| { |
| .modifier = I915_FORMAT_MOD_Y_TILED, |
| .name = "I915_FORMAT_MOD_Y_TILED", |
| .tiling = ISL_TILING_Y0, |
| }, |
| { |
| .modifier = I915_FORMAT_MOD_Y_TILED_CCS, |
| .name = "I915_FORMAT_MOD_Y_TILED_CCS", |
| .tiling = ISL_TILING_Y0, |
| .aux_usage = ISL_AUX_USAGE_CCS_E, |
| .supports_clear_color = false, |
| }, |
| }; |
| |
| const struct isl_drm_modifier_info * |
| isl_drm_modifier_get_info(uint64_t modifier) |
| { |
| for (unsigned i = 0; i < ARRAY_SIZE(modifier_info); i++) { |
| if (modifier_info[i].modifier == modifier) |
| return &modifier_info[i]; |
| } |
| |
| return NULL; |
| } |