| /* |
| * Copyright © 2016 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 "igt.h" |
| |
| IGT_TEST_DESCRIPTION("Test render compression (RC), in which the main surface " |
| "is complemented by a color control surface (CCS) that " |
| "the display uses to interpret the compressed data."); |
| |
| enum test_flags { |
| TEST_CRC = 1 << 1, |
| TEST_ROTATE_180 = 1 << 2, |
| TEST_BAD_PIXEL_FORMAT = 1 << 3, |
| TEST_BAD_ROTATION_90 = 1 << 4, |
| TEST_NO_AUX_BUFFER = 1 << 5, |
| TEST_BAD_CCS_HANDLE = 1 << 6, |
| TEST_BAD_AUX_STRIDE = 1 << 7, |
| }; |
| |
| #define TEST_FAIL_ON_ADDFB2 \ |
| (TEST_BAD_PIXEL_FORMAT | TEST_NO_AUX_BUFFER | TEST_BAD_CCS_HANDLE | \ |
| TEST_BAD_AUX_STRIDE) |
| |
| enum test_fb_flags { |
| FB_COMPRESSED = 1 << 0, |
| FB_HAS_PLANE = 1 << 1, |
| FB_MISALIGN_AUX_STRIDE = 1 << 2, |
| FB_SMALL_AUX_STRIDE = 1 << 3, |
| FB_ZERO_AUX_STRIDE = 1 << 4, |
| }; |
| |
| typedef struct { |
| int drm_fd; |
| igt_display_t display; |
| igt_output_t *output; |
| enum pipe pipe; |
| enum test_flags flags; |
| igt_plane_t *plane; |
| igt_pipe_crc_t *pipe_crc; |
| } data_t; |
| |
| #define RED 0x00ff0000 |
| #define COMPRESSED_RED 0x0ff0000f |
| #define GREEN 0x0000ff00 |
| #define COMPRESSED_GREEN 0x000ff00f |
| |
| #define CCS_UNCOMPRESSED 0x0 |
| #define CCS_COMPRESSED 0x55 |
| |
| struct local_drm_format_modifier { |
| /* Bitmask of formats in get_plane format list this info applies to. The |
| * offset allows a sliding window of which 64 formats (bits). |
| * |
| * Some examples: |
| * In today's world with < 65 formats, and formats 0, and 2 are |
| * supported |
| * 0x0000000000000005 |
| * ^-offset = 0, formats = 5 |
| * |
| * If the number formats grew to 128, and formats 98-102 are |
| * supported with the modifier: |
| * |
| * 0x0000003c00000000 0000000000000000 |
| * ^ |
| * |__offset = 64, formats = 0x3c00000000 |
| * |
| */ |
| uint64_t formats; |
| uint32_t offset; |
| uint32_t pad; |
| |
| /* This modifier can be used with the format for this plane. */ |
| uint64_t modifier; |
| }; |
| |
| struct local_drm_format_modifier_blob { |
| #define LOCAL_FORMAT_BLOB_CURRENT 1 |
| /* Version of this blob format */ |
| uint32_t version; |
| |
| /* Flags */ |
| uint32_t flags; |
| |
| /* Number of fourcc formats supported */ |
| uint32_t count_formats; |
| |
| /* Where in this blob the formats exist (in bytes) */ |
| uint32_t formats_offset; |
| |
| /* Number of drm_format_modifiers */ |
| uint32_t count_modifiers; |
| |
| /* Where in this blob the modifiers exist (in bytes) */ |
| uint32_t modifiers_offset; |
| |
| /* u32 formats[] */ |
| /* struct drm_format_modifier modifiers[] */ |
| }; |
| |
| static inline uint32_t * |
| formats_ptr(struct local_drm_format_modifier_blob *blob) |
| { |
| return (uint32_t *)(((char *)blob) + blob->formats_offset); |
| } |
| |
| static inline struct local_drm_format_modifier * |
| modifiers_ptr(struct local_drm_format_modifier_blob *blob) |
| { |
| return (struct local_drm_format_modifier *)(((char *)blob) + blob->modifiers_offset); |
| } |
| |
| static bool plane_has_format_with_ccs(data_t *data, igt_plane_t *plane, uint32_t format) |
| { |
| drmModePropertyBlobPtr blob; |
| struct local_drm_format_modifier_blob *blob_data; |
| struct local_drm_format_modifier *modifiers, *last_mod; |
| uint32_t *formats, *last_fmt; |
| uint64_t blob_id; |
| bool ret; |
| int fmt_idx = -1; |
| |
| ret = kmstest_get_property(data->drm_fd, plane->drm_plane->plane_id, |
| DRM_MODE_OBJECT_PLANE, "IN_FORMATS", |
| NULL, &blob_id, NULL); |
| igt_skip_on_f(ret == false, "IN_FORMATS not supported by kernel\n"); |
| igt_skip_on_f(blob_id == 0, "IN_FORMATS not supported by plane\n"); |
| blob = drmModeGetPropertyBlob(data->drm_fd, blob_id); |
| igt_assert(blob); |
| igt_assert_lte(sizeof(struct local_drm_format_modifier_blob), |
| blob->length); |
| |
| blob_data = (struct local_drm_format_modifier_blob *) blob->data; |
| formats = formats_ptr(blob_data); |
| last_fmt = &formats[blob_data->count_formats]; |
| igt_assert_lte(((char *) last_fmt - (char *) blob_data), blob->length); |
| for (int i = 0; i < blob_data->count_formats; i++) { |
| if (formats[i] == format) { |
| fmt_idx = i; |
| break; |
| } |
| } |
| |
| if (fmt_idx == -1) |
| return false; |
| |
| modifiers = modifiers_ptr(blob_data); |
| last_mod = &modifiers[blob_data->count_modifiers]; |
| igt_assert_lte(((char *) last_mod - (char *) blob_data), blob->length); |
| for (int i = 0; i < blob_data->count_modifiers; i++) { |
| if (modifiers[i].modifier != LOCAL_I915_FORMAT_MOD_Y_TILED_CCS) |
| continue; |
| |
| if (modifiers[i].offset > fmt_idx || |
| fmt_idx > modifiers[i].offset + 63) |
| continue; |
| |
| if (modifiers[i].formats & |
| (1UL << (fmt_idx - modifiers[i].offset))) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static void render_fb(data_t *data, uint32_t gem_handle, unsigned int size, |
| enum test_fb_flags fb_flags, |
| int height, unsigned int stride) |
| { |
| uint32_t *ptr; |
| unsigned int half_height, half_size; |
| uint32_t uncompressed_color = data->plane ? GREEN : RED; |
| uint32_t compressed_color = |
| data->plane ? COMPRESSED_GREEN : COMPRESSED_RED; |
| uint32_t bad_color = RED; |
| int i; |
| |
| ptr = gem_mmap__cpu(data->drm_fd, gem_handle, 0, size, |
| PROT_READ | PROT_WRITE); |
| |
| if (fb_flags & FB_COMPRESSED) { |
| /* In the compressed case, we want the top half of the |
| * surface to be uncompressed and the bottom half to be |
| * compressed. |
| * |
| * We need to cut the surface on a CCS cache-line boundary, |
| * otherwise, we're going to be in trouble when we try to |
| * generate CCS data for the surface. A cache line in the |
| * CCS is 16x16 cache-line-pairs in the main surface. 16 |
| * cache lines is 64 rows high. |
| */ |
| half_height = ALIGN(height, 128) / 2; |
| half_size = half_height * stride; |
| for (i = 0; i < size / 4; i++) { |
| if (i < half_size / 4) |
| ptr[i] = uncompressed_color; |
| else |
| ptr[i] = compressed_color; |
| } |
| } else { |
| /* When we're displaying the primary plane underneath a |
| * sprite plane, cut out a 128 x 128 area (less than the sprite) |
| * plane size which we paint red, so we know easily if it's |
| * bad. |
| */ |
| for (i = 0; i < size / 4; i++) { |
| if ((fb_flags & FB_HAS_PLANE) && |
| (i / (stride / 4)) < 128 && |
| (i % (stride / 4)) < 128) { |
| ptr[i] = bad_color; |
| } else { |
| ptr[i] = uncompressed_color; |
| } |
| } |
| } |
| |
| munmap(ptr, size); |
| } |
| |
| static unsigned int |
| y_tile_y_pos(unsigned int offset, unsigned int stride) |
| { |
| unsigned int y_tiles, y; |
| y_tiles = (offset / 4096) / (stride / 128); |
| y = y_tiles * 32 + ((offset & 0x1f0) >> 4); |
| return y; |
| } |
| |
| static void render_ccs(data_t *data, uint32_t gem_handle, |
| uint32_t offset, uint32_t size, |
| int height, unsigned int ccs_stride) |
| { |
| unsigned int half_height, ccs_half_height; |
| uint8_t *ptr; |
| int i; |
| |
| half_height = ALIGN(height, 128) / 2; |
| ccs_half_height = half_height / 16; |
| |
| ptr = gem_mmap__cpu(data->drm_fd, gem_handle, offset, size, |
| PROT_READ | PROT_WRITE); |
| |
| for (i = 0; i < size; i++) { |
| if (y_tile_y_pos(i, ccs_stride) < ccs_half_height) |
| ptr[i] = CCS_UNCOMPRESSED; |
| else |
| ptr[i] = CCS_COMPRESSED; |
| } |
| |
| munmap(ptr, size); |
| } |
| |
| static void generate_fb(data_t *data, struct igt_fb *fb, |
| int width, int height, |
| enum test_fb_flags fb_flags) |
| { |
| struct local_drm_mode_fb_cmd2 f = {}; |
| unsigned int size[2]; |
| uint64_t modifier; |
| int ret; |
| uint32_t ccs_handle; |
| |
| memset(fb, 0, sizeof(*fb)); |
| |
| /* Use either compressed or Y-tiled to test. However, given the lack of |
| * available bandwidth, we use linear for the primary plane when |
| * testing sprites, since we cannot fit two CCS planes into the |
| * available FIFO configurations. |
| */ |
| if (fb_flags & FB_COMPRESSED) |
| modifier = LOCAL_I915_FORMAT_MOD_Y_TILED_CCS; |
| else if (!(fb_flags & FB_HAS_PLANE)) |
| modifier = LOCAL_I915_FORMAT_MOD_Y_TILED; |
| else |
| modifier = 0; |
| |
| f.flags = LOCAL_DRM_MODE_FB_MODIFIERS; |
| f.width = width; |
| f.height = height; |
| |
| if (data->flags & TEST_BAD_PIXEL_FORMAT) |
| f.pixel_format = DRM_FORMAT_RGB565; |
| else |
| f.pixel_format = DRM_FORMAT_XRGB8888; |
| |
| f.pitches[0] = ALIGN(width * 4, 128); |
| f.modifier[0] = modifier; |
| f.offsets[0] = 0; |
| size[0] = f.pitches[0] * ALIGN(height, 32); |
| |
| if (fb_flags & FB_COMPRESSED) { |
| /* From the Sky Lake PRM, Vol 12, "Color Control Surface": |
| * |
| * "The compression state of the cache-line pair is |
| * specified by 2 bits in the CCS. Each CCS cache-line |
| * represents an area on the main surface of 16x16 sets |
| * of 128 byte Y-tiled cache-line-pairs. CCS is always Y |
| * tiled." |
| * |
| * A "cache-line-pair" for a Y-tiled surface is two |
| * horizontally adjacent cache lines. When operating in |
| * bytes and rows, this gives us a scale-down factor of |
| * 32x16. Since the main surface has a 32-bit format, we |
| * need to multiply width by 4 to get bytes. |
| */ |
| int ccs_width = ALIGN(width * 4, 32) / 32; |
| int ccs_height = ALIGN(height, 16) / 16; |
| int ccs_pitches = ALIGN(ccs_width * 1, 128); |
| int ccs_offsets = size[0]; |
| |
| if (fb_flags & FB_MISALIGN_AUX_STRIDE) { |
| igt_skip_on_f(width <= 1024, |
| "FB already has the smallest possible stride\n"); |
| ccs_pitches -= 64; |
| } |
| else if (fb_flags & FB_SMALL_AUX_STRIDE) { |
| igt_skip_on_f(width <= 1024, |
| "FB already has the smallest possible stride\n"); |
| ccs_pitches = ALIGN(ccs_width/2, 128); |
| } |
| |
| size[1] = ccs_pitches * ALIGN(ccs_height, 32); |
| |
| f.handles[0] = gem_create(data->drm_fd, size[0] + size[1]); |
| if (data->flags & TEST_BAD_CCS_HANDLE) { |
| /* Put the CCS buffer on a different BO. */ |
| ccs_handle = gem_create(data->drm_fd, size[0] + size[1]); |
| } else |
| ccs_handle = f.handles[0]; |
| |
| if (!(data->flags & TEST_NO_AUX_BUFFER)) { |
| f.modifier[1] = modifier; |
| f.handles[1] = ccs_handle; |
| f.offsets[1] = ccs_offsets; |
| f.pitches[1] = (fb_flags & FB_ZERO_AUX_STRIDE)? 0:ccs_pitches; |
| |
| render_ccs(data, f.handles[1], f.offsets[1], size[1], |
| height, ccs_pitches); |
| } |
| } else { |
| f.handles[0] = gem_create(data->drm_fd, size[0]); |
| } |
| |
| render_fb(data, f.handles[0], size[0], fb_flags, height, f.pitches[0]); |
| |
| ret = drmIoctl(data->drm_fd, LOCAL_DRM_IOCTL_MODE_ADDFB2, &f); |
| if (data->flags & TEST_FAIL_ON_ADDFB2) { |
| igt_assert_eq(ret, -1); |
| igt_assert_eq(errno, EINVAL); |
| return; |
| } else |
| igt_assert_eq(ret, 0); |
| |
| fb->fb_id = f.fb_id; |
| fb->fd = data->drm_fd; |
| fb->gem_handle = f.handles[0]; |
| fb->is_dumb = false; |
| fb->drm_format = f.pixel_format; |
| fb->width = f.width; |
| fb->height = f.height; |
| fb->stride = f.pitches[0]; |
| fb->tiling = f.modifier[0]; |
| fb->size = size[0]; |
| fb->cairo_surface = NULL; |
| fb->domain = 0; |
| } |
| |
| static bool try_config(data_t *data, enum test_fb_flags fb_flags, |
| igt_crc_t *crc) |
| { |
| igt_display_t *display = &data->display; |
| igt_plane_t *primary; |
| drmModeModeInfo *drm_mode = igt_output_get_mode(data->output); |
| enum igt_commit_style commit; |
| struct igt_fb fb, fb_sprite; |
| int ret; |
| |
| if (data->display.is_atomic) |
| commit = COMMIT_ATOMIC; |
| else |
| commit = COMMIT_UNIVERSAL; |
| |
| primary = igt_output_get_plane_type(data->output, |
| DRM_PLANE_TYPE_PRIMARY); |
| if (!plane_has_format_with_ccs(data, primary, DRM_FORMAT_XRGB8888)) |
| return false; |
| |
| if (data->plane && fb_flags & FB_COMPRESSED) { |
| if (!plane_has_format_with_ccs(data, data->plane, DRM_FORMAT_XRGB8888)) |
| return false; |
| generate_fb(data, &fb, drm_mode->hdisplay, |
| drm_mode->vdisplay, |
| (fb_flags & ~FB_COMPRESSED) | FB_HAS_PLANE); |
| generate_fb(data, &fb_sprite, 256, 256, fb_flags); |
| } else { |
| generate_fb(data, &fb, drm_mode->hdisplay, |
| drm_mode->vdisplay, fb_flags); |
| } |
| |
| if (data->flags & TEST_FAIL_ON_ADDFB2) |
| return true; |
| |
| igt_plane_set_position(primary, 0, 0); |
| igt_plane_set_size(primary, drm_mode->hdisplay, drm_mode->vdisplay); |
| igt_plane_set_fb(primary, &fb); |
| |
| if (data->plane && fb_flags & FB_COMPRESSED) { |
| igt_plane_set_position(data->plane, 0, 0); |
| igt_plane_set_size(data->plane, 256, 256); |
| igt_plane_set_fb(data->plane, &fb_sprite); |
| } |
| |
| if (data->flags & TEST_ROTATE_180) |
| igt_plane_set_rotation(primary, IGT_ROTATION_180); |
| if (data->flags & TEST_BAD_ROTATION_90) |
| igt_plane_set_rotation(primary, IGT_ROTATION_90); |
| |
| ret = igt_display_try_commit2(display, commit); |
| if (data->flags & TEST_BAD_ROTATION_90) { |
| igt_assert_eq(ret, -EINVAL); |
| } else { |
| igt_assert_eq(ret, 0); |
| |
| if (crc) |
| igt_pipe_crc_collect_crc(data->pipe_crc, crc); |
| } |
| |
| igt_debug_wait_for_keypress("ccs"); |
| |
| if (data->plane && fb_flags & FB_COMPRESSED) { |
| igt_plane_set_position(data->plane, 0, 0); |
| igt_plane_set_size(data->plane, 0, 0); |
| igt_plane_set_fb(data->plane, NULL); |
| igt_remove_fb(display->drm_fd, &fb_sprite); |
| } |
| |
| igt_plane_set_fb(primary, NULL); |
| igt_plane_set_rotation(primary, IGT_ROTATION_0); |
| igt_display_commit2(display, commit); |
| |
| if (data->flags & TEST_CRC) |
| igt_remove_fb(data->drm_fd, &fb); |
| |
| return true; |
| } |
| |
| static int test_output(data_t *data) |
| { |
| igt_display_t *display = &data->display; |
| igt_crc_t crc, ref_crc; |
| enum test_fb_flags fb_flags = 0; |
| int valid_tests = 0; |
| |
| igt_display_require_output_on_pipe(display, data->pipe); |
| |
| /* Sets data->output with a valid output. */ |
| for_each_valid_output_on_pipe(display, data->pipe, data->output) { |
| break; |
| } |
| |
| igt_output_set_pipe(data->output, data->pipe); |
| |
| if (data->flags & TEST_CRC) { |
| data->pipe_crc = igt_pipe_crc_new(data->drm_fd, data->pipe, INTEL_PIPE_CRC_SOURCE_AUTO); |
| |
| if (try_config(data, fb_flags | FB_COMPRESSED, &ref_crc) && |
| try_config(data, fb_flags, &crc)) { |
| igt_assert_crc_equal(&crc, &ref_crc); |
| valid_tests++; |
| } |
| |
| igt_pipe_crc_free(data->pipe_crc); |
| data->pipe_crc = NULL; |
| } |
| |
| if (data->flags & TEST_BAD_PIXEL_FORMAT || |
| data->flags & TEST_BAD_ROTATION_90 || |
| data->flags & TEST_NO_AUX_BUFFER || |
| data->flags & TEST_BAD_CCS_HANDLE) { |
| valid_tests += try_config(data, fb_flags | FB_COMPRESSED, NULL); |
| } |
| |
| if (data->flags & TEST_BAD_AUX_STRIDE) { |
| valid_tests += try_config(data, fb_flags | FB_COMPRESSED | FB_MISALIGN_AUX_STRIDE , NULL); |
| valid_tests += try_config(data, fb_flags | FB_COMPRESSED | FB_SMALL_AUX_STRIDE , NULL); |
| valid_tests += try_config(data, fb_flags | FB_COMPRESSED | FB_ZERO_AUX_STRIDE , NULL); |
| } |
| |
| igt_output_set_pipe(data->output, PIPE_ANY); |
| igt_display_commit2(display, display->is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY); |
| |
| return valid_tests; |
| } |
| |
| static data_t data; |
| |
| igt_main |
| { |
| enum pipe pipe; |
| |
| igt_fixture { |
| data.drm_fd = drm_open_driver_master(DRIVER_INTEL); |
| |
| igt_require(intel_gen(intel_get_drm_devid(data.drm_fd)) >= 9); |
| kmstest_set_vt_graphics_mode(); |
| igt_require_pipe_crc(data.drm_fd); |
| |
| igt_display_init(&data.display, data.drm_fd); |
| } |
| |
| for_each_pipe_static(pipe) { |
| const char *pipe_name = kmstest_pipe_name(pipe); |
| |
| data.pipe = pipe; |
| |
| data.flags = TEST_BAD_PIXEL_FORMAT; |
| igt_subtest_f("pipe-%s-bad-pixel-format", pipe_name) |
| igt_require(test_output(&data)); |
| |
| data.flags = TEST_BAD_ROTATION_90; |
| igt_subtest_f("pipe-%s-bad-rotation-90", pipe_name) |
| igt_require(test_output(&data)); |
| |
| data.flags = TEST_CRC; |
| igt_subtest_f("pipe-%s-crc-primary-basic", pipe_name) |
| igt_require(test_output(&data)); |
| |
| data.flags = TEST_CRC | TEST_ROTATE_180; |
| igt_subtest_f("pipe-%s-crc-primary-rotation-180", pipe_name) |
| igt_require(test_output(&data)); |
| |
| data.flags = TEST_CRC; |
| igt_subtest_f("pipe-%s-crc-sprite-planes-basic", pipe_name) { |
| int valid_tests = 0; |
| |
| igt_display_require_output_on_pipe(&data.display, data.pipe); |
| |
| for_each_plane_on_pipe(&data.display, data.pipe, data.plane) { |
| if (data.plane->type == DRM_PLANE_TYPE_PRIMARY) |
| continue; |
| valid_tests += test_output(&data); |
| } |
| |
| igt_require(valid_tests); |
| } |
| |
| data.plane = NULL; |
| |
| data.flags = TEST_NO_AUX_BUFFER; |
| igt_subtest_f("pipe-%s-missing-ccs-buffer", pipe_name) |
| igt_require(test_output(&data)); |
| |
| data.flags = TEST_BAD_CCS_HANDLE; |
| igt_subtest_f("pipe-%s-ccs-on-another-bo", pipe_name) |
| igt_require(test_output(&data)); |
| |
| data.flags = TEST_BAD_AUX_STRIDE; |
| igt_subtest_f("pipe-%s-bad-aux-stride", pipe_name) |
| igt_require(test_output(&data)); |
| } |
| |
| igt_fixture |
| igt_display_fini(&data.display); |
| } |