@@ -24,6 +24,7 @@ TESTS_progs = \
drm_import_export \
drm_mm \
drm_read \
+ i915/gem_blits \
kms_3d \
kms_addfb_basic \
kms_atomic \
new file mode 100644
@@ -0,0 +1,796 @@
+/*
+ * Copyright © 2018 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"
+#include "igt_x86.h"
+
+#define MI_FLUSH_DW (0x26 << 23)
+
+#define BCS_SWCTRL 0x22200
+#define BCS_SRC_Y (1 << 0)
+#define BCS_DST_Y (1 << 1)
+
+struct device {
+ int fd;
+ int gen;
+ int pciid;
+ int llc;
+};
+
+struct buffer {
+ uint32_t handle;
+ uint16_t width;
+ uint16_t height;
+ uint16_t stride;
+ uint32_t size;
+ unsigned int tiling;
+ unsigned int caching;
+ uint64_t gtt_offset;
+ uint32_t model[] __attribute__((aligned(16)));
+};
+
+enum mode {
+ CPU,
+ PRW,
+ GTT,
+ WC,
+};
+
+static int fls(uint64_t x)
+{
+ int t;
+
+ for (t = 0; x >> t; t++)
+ ;
+
+ return t;
+}
+
+static unsigned int
+get_tiling_stride(const struct device *device,
+ unsigned int width, unsigned int tiling)
+{
+ unsigned int stride = 4u * width;
+
+ if (tiling) {
+ if (device->gen < 3)
+ stride = ALIGN(stride, 128);
+ else if (device->gen < 4 || tiling == I915_TILING_X)
+ stride = ALIGN(stride, 512);
+ else
+ stride = ALIGN(stride, 128);
+ if (device->gen < 4)
+ stride = 1 << fls(stride - 1);
+ } else {
+ if (device->gen >= 8)
+ stride = ALIGN(stride, 64);
+ }
+
+ igt_assert(stride < UINT16_MAX && stride >= 4*width);
+ return stride;
+}
+
+static unsigned int
+get_tiling_height(const struct device *device,
+ unsigned int height, unsigned int tiling)
+{
+ if (!tiling)
+ return height;
+
+ if (device->gen < 3)
+ return ALIGN(height, 16);
+ else if (device->gen < 4 || tiling == I915_TILING_X)
+ return ALIGN(height, 8);
+ else
+ return ALIGN(height, 32);
+}
+
+static struct buffer *buffer_create(const struct device *device,
+ unsigned int width,
+ unsigned int height)
+{
+ struct buffer *buffer;
+
+ igt_assert(width && height);
+
+ buffer = malloc(sizeof(*buffer) + 4u * width * height);
+ if (!buffer)
+ return NULL;
+
+ buffer->width = width;
+ buffer->height = height;
+
+ buffer->tiling = I915_TILING_NONE;
+ buffer->stride = get_tiling_stride(device, width, I915_TILING_NONE);
+ buffer->size = ALIGN(buffer->stride * height, 4096);
+ buffer->handle = gem_create(device->fd, buffer->size);
+ buffer->caching = device->llc;
+
+ buffer->gtt_offset = buffer->handle * buffer->size;
+
+ for (int y = 0; y < height; y++) {
+ uint32_t *row = buffer->model + y * width;
+
+ for (int x = 0; x < width; x++)
+ row[x] = (y << 16 | x) ^ buffer->handle;
+
+ gem_write(device->fd,
+ buffer->handle, 4u * y * width,
+ row, 4u * width);
+ }
+
+ return buffer;
+}
+
+static void buffer_set_tiling(const struct device *device,
+ struct buffer *buffer,
+ unsigned int tiling)
+{
+ struct drm_i915_gem_exec_object2 obj[3];
+ struct drm_i915_gem_relocation_entry reloc[2];
+ struct drm_i915_gem_execbuffer2 execbuf;
+ const bool has_64b_reloc = device->gen >= 8;
+ uint32_t stride, size, pitch;
+ uint32_t *batch;
+ int i;
+
+ if (buffer->tiling == tiling)
+ return;
+
+ stride = get_tiling_stride(device, buffer->width, tiling);
+ size = stride * get_tiling_height(device, buffer->height, tiling);
+ size = ALIGN(size, 4096);
+
+ memset(&execbuf, 0, sizeof(execbuf));
+ execbuf.buffers_ptr = to_user_pointer(obj);
+ execbuf.buffer_count = ARRAY_SIZE(obj);
+ if (device->gen >= 6)
+ execbuf.flags = I915_EXEC_BLT;
+
+ memset(obj, 0, sizeof(obj));
+ obj[0].handle = gem_create(device->fd, size);
+ if (tiling) {
+ obj[0].flags = EXEC_OBJECT_NEEDS_FENCE;
+ gem_set_tiling(device->fd, obj[0].handle, tiling, stride);
+ }
+
+ obj[1].handle = buffer->handle;
+ obj[1].offset = buffer->gtt_offset;
+ if (buffer->tiling)
+ obj[1].flags = EXEC_OBJECT_NEEDS_FENCE;
+
+ obj[2].handle = gem_create(device->fd, 4096);
+ obj[2].relocs_ptr = to_user_pointer(memset(reloc, 0, sizeof(reloc)));
+ obj[2].relocation_count = 2;
+ batch = gem_mmap__cpu(device->fd, obj[2].handle, 0, 4096, PROT_WRITE);
+
+ i = 0;
+
+ if ((tiling | buffer->tiling) >= I915_TILING_Y) {
+ unsigned int mask;
+
+ batch[i++] = MI_LOAD_REGISTER_IMM;
+ batch[i++] = BCS_SWCTRL;
+
+ mask = (BCS_SRC_Y | BCS_DST_Y) << 16;
+ if (buffer->tiling == I915_TILING_Y)
+ mask |= BCS_SRC_Y;
+ if (tiling == I915_TILING_Y)
+ mask |= BCS_DST_Y;
+ batch[i++] = mask;
+ }
+
+ batch[i] = (XY_SRC_COPY_BLT_CMD |
+ XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ if (device->gen >= 4 && buffer->tiling)
+ batch[i] |= XY_SRC_COPY_BLT_SRC_TILED;
+ if (device->gen >= 4 && tiling)
+ batch[i] |= XY_SRC_COPY_BLT_DST_TILED;
+ batch[i++] |= 6 + 2 * has_64b_reloc;
+
+ pitch = stride;
+ if (device->gen >= 4 && tiling)
+ pitch /= 4;
+ batch[i++] = 3 << 24 | 0xcc << 16 | pitch;
+ batch[i++] = 0;
+ batch[i++] = buffer->height << 16 | buffer->width;
+ reloc[0].target_handle = obj[0].handle;
+ reloc[0].presumed_offset = obj[0].offset;
+ reloc[0].offset = sizeof(*batch) * i;
+ reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
+ reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
+ batch[i++] = obj[0].offset;
+ if (has_64b_reloc)
+ batch[i++] = obj[0].offset >> 32;
+
+ batch[i++] = 0;
+ pitch = buffer->stride;
+ if (device->gen >= 4 && buffer->tiling)
+ pitch /= 4;
+ batch[i++] = pitch;
+ reloc[1].target_handle = obj[1].handle;
+ reloc[1].presumed_offset = obj[1].offset;
+ reloc[1].offset = sizeof(*batch) * i;
+ reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
+ batch[i++] = obj[1].offset;
+ if (has_64b_reloc)
+ batch[i++] = obj[1].offset >> 32;
+
+ if ((tiling | buffer->tiling) >= I915_TILING_Y) {
+ igt_assert(device->gen >= 6);
+ batch[i++] = MI_FLUSH_DW | 2;
+ batch[i++] = 0;
+ batch[i++] = 0;
+ batch[i++] = 0;
+
+ batch[i++] = MI_LOAD_REGISTER_IMM;
+ batch[i++] = BCS_SWCTRL;
+ batch[i++] = (BCS_SRC_Y | BCS_DST_Y) << 16;
+ }
+
+ batch[i++] = MI_BATCH_BUFFER_END;
+ munmap(batch, 4096);
+
+ gem_execbuf(device->fd, &execbuf);
+
+ gem_close(device->fd, obj[2].handle);
+ gem_close(device->fd, obj[1].handle);
+
+ buffer->gtt_offset = obj[0].offset;
+ buffer->handle = obj[0].handle;
+
+ buffer->tiling = tiling;
+ buffer->stride = stride;
+ buffer->size = size;
+}
+
+static bool can_blit_to_linear(const struct device *device,
+ const struct buffer *buffer)
+{
+ if (buffer->caching && !device->llc)
+ return false;
+
+ if (device->gen < 3)
+ return false;
+
+ return true;
+}
+
+static bool blit_to_linear(const struct device *device,
+ const struct buffer *buffer,
+ void *linear)
+{
+ struct drm_i915_gem_exec_object2 obj[3];
+ struct drm_i915_gem_relocation_entry reloc[2];
+ struct drm_i915_gem_execbuffer2 execbuf;
+ const bool has_64b_reloc = device->gen >= 8;
+ uint32_t *batch;
+ uint32_t pitch;
+ int i = 0;
+
+ igt_assert(buffer->tiling);
+
+ if (!can_blit_to_linear(device, buffer))
+ return false;
+
+ memset(&execbuf, 0, sizeof(execbuf));
+ execbuf.buffers_ptr = to_user_pointer(obj);
+ execbuf.buffer_count = ARRAY_SIZE(obj);
+ if (device->gen >= 6)
+ execbuf.flags = I915_EXEC_BLT;
+
+ memset(obj, 0, sizeof(obj));
+ if (__gem_userptr(device->fd, linear, buffer->size, 0, 0, &obj[0].handle))
+ return false;
+
+ obj[1].handle = buffer->handle;
+ obj[1].offset = buffer->gtt_offset;
+ obj[1].flags = EXEC_OBJECT_NEEDS_FENCE;
+
+ memset(reloc, 0, sizeof(reloc));
+ obj[2].handle = gem_create(device->fd, 4096);
+ obj[2].relocs_ptr = to_user_pointer(reloc);
+ obj[2].relocation_count = ARRAY_SIZE(reloc);
+ batch = gem_mmap__cpu(device->fd, obj[2].handle, 0, 4096, PROT_WRITE);
+
+ if (buffer->tiling >= I915_TILING_Y) {
+ unsigned int mask;
+
+ batch[i++] = MI_LOAD_REGISTER_IMM;
+ batch[i++] = BCS_SWCTRL;
+
+ mask = (BCS_SRC_Y | BCS_DST_Y) << 16;
+ if (buffer->tiling == I915_TILING_Y)
+ mask |= BCS_SRC_Y;
+ batch[i++] = mask;
+ }
+
+ batch[i] = (XY_SRC_COPY_BLT_CMD |
+ XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ if (device->gen >= 4 && buffer->tiling)
+ batch[i] |= XY_SRC_COPY_BLT_SRC_TILED;
+ batch[i++] |= 6 + 2 * has_64b_reloc;
+
+ batch[i++] = 3 << 24 | 0xcc << 16 | buffer->stride;
+ batch[i++] = 0;
+ batch[i++] = buffer->height << 16 | buffer->width;
+ reloc[0].target_handle = obj[0].handle;
+ reloc[0].presumed_offset = obj[0].offset;
+ reloc[0].offset = sizeof(*batch) * i;
+ reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
+ reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
+ batch[i++] = obj[0].offset;
+ if (has_64b_reloc)
+ batch[i++] = obj[0].offset >> 32;
+
+ batch[i++] = 0;
+ pitch = buffer->stride;
+ if (device->gen >= 4 && buffer->tiling)
+ pitch /= 4;
+ batch[i++] = pitch;
+ reloc[1].target_handle = obj[1].handle;
+ reloc[1].presumed_offset = obj[1].offset;
+ reloc[1].offset = sizeof(*batch) * i;
+ reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
+ batch[i++] = obj[1].offset;
+ if (has_64b_reloc)
+ batch[i++] = obj[1].offset >> 32;
+
+ if (buffer->tiling >= I915_TILING_Y) {
+ igt_assert(device->gen >= 6);
+ batch[i++] = MI_FLUSH_DW | 2;
+ batch[i++] = 0;
+ batch[i++] = 0;
+ batch[i++] = 0;
+
+ batch[i++] = MI_LOAD_REGISTER_IMM;
+ batch[i++] = BCS_SWCTRL;
+ batch[i++] = (BCS_SRC_Y | BCS_DST_Y) << 16;
+ }
+
+ batch[i++] = MI_BATCH_BUFFER_END;
+ munmap(batch, 4096);
+
+ gem_execbuf(device->fd, &execbuf);
+ gem_close(device->fd, obj[2].handle);
+
+ gem_sync(device->fd, obj[0].handle);
+ gem_close(device->fd, obj[0].handle);
+
+ return true;
+}
+
+static void *download(const struct device *device,
+ const struct buffer *buffer,
+ enum mode mode)
+{
+ void *linear, *src;
+
+ igt_assert(posix_memalign(&linear, 4096, buffer->size) == 0);
+
+ switch (mode) {
+ case CPU:
+ if (buffer->tiling) {
+ if (blit_to_linear(device, buffer, linear))
+ return linear;
+
+ mode = GTT;
+ }
+ break;
+
+ case WC:
+ if (!gem_mmap__has_wc(device->fd) || buffer->tiling)
+ mode = GTT;
+ break;
+
+ case PRW:
+ if (buffer->tiling)
+ mode = GTT;
+ break;
+
+ case GTT:
+ break;
+ }
+
+ switch (mode) {
+ case CPU:
+ src = gem_mmap__cpu(device->fd, buffer->handle,
+ 0, buffer->size,
+ PROT_READ);
+
+ gem_set_domain(device->fd, buffer->handle,
+ I915_GEM_DOMAIN_CPU, 0);
+ igt_memcpy_from_wc(linear, src, buffer->size);
+ munmap(src, buffer->size);
+ break;
+
+ case WC:
+ src = gem_mmap__wc(device->fd, buffer->handle,
+ 0, buffer->size,
+ PROT_READ);
+
+ gem_set_domain(device->fd, buffer->handle,
+ I915_GEM_DOMAIN_WC, 0);
+ igt_memcpy_from_wc(linear, src, buffer->size);
+ munmap(src, buffer->size);
+ break;
+
+ case GTT:
+ src = gem_mmap__gtt(device->fd, buffer->handle,
+ buffer->size,
+ PROT_READ);
+
+ gem_set_domain(device->fd, buffer->handle,
+ I915_GEM_DOMAIN_GTT, 0);
+ igt_memcpy_from_wc(linear, src, buffer->size);
+ munmap(src, buffer->size);
+ break;
+
+ case PRW:
+ gem_read(device->fd, buffer->handle, 0, linear, buffer->size);
+ break;
+ }
+
+ return linear;
+}
+
+static bool buffer_check(const struct device *device,
+ const struct buffer *buffer,
+ enum mode mode)
+{
+ unsigned int num_errors = 0;
+ uint32_t *linear;
+
+ linear = download(device, buffer, mode);
+ igt_assert(linear);
+
+ for (int y = 0; y < buffer->height; y++) {
+ const uint32_t *model = buffer->model + y * buffer->width;
+ const uint32_t *row =
+ linear + y * buffer->stride / sizeof(uint32_t);
+
+ if (!memcmp(model, row, buffer->width * sizeof(uint32_t)))
+ continue;
+
+ for (int x = 0; x < buffer->width; x++) {
+ if (row[x] != model[x] && num_errors++ < 5) {
+ igt_warn("buffer handle=%d mismatch at (%d, %d): expected %08x, found %08x\n",
+ buffer->handle,
+ x, y, model[x], row[x]);
+ }
+ }
+ }
+
+ free(linear);
+
+ return num_errors == 0;
+}
+
+static void buffer_free(const struct device *device, struct buffer *buffer)
+{
+ igt_assert(buffer_check(device, buffer, GTT));
+ gem_close(device->fd, buffer->handle);
+ free(buffer);
+}
+
+static void memcpy_blt(const void *src, void *dst,
+ uint32_t src_stride, uint32_t dst_stride,
+ uint16_t src_x, uint16_t src_y,
+ uint16_t dst_x, uint16_t dst_y,
+ uint16_t width, uint16_t height)
+{
+ const uint8_t *src_bytes;
+ uint8_t *dst_bytes;
+ int byte_width;
+
+ src_bytes = (const uint8_t *)src + src_stride * src_y + src_x * 4;
+ dst_bytes = (uint8_t *)dst + dst_stride * dst_y + dst_x * 4;
+
+ byte_width = width * 4;
+ if (byte_width == src_stride && byte_width == dst_stride) {
+ byte_width *= height;
+ height = 1;
+ }
+
+ switch (byte_width) {
+ case 4:
+ do {
+ *(uint32_t *)dst_bytes = *(const uint32_t *)src_bytes;
+ src_bytes += src_stride;
+ dst_bytes += dst_stride;
+ } while (--height);
+ break;
+
+ case 8:
+ do {
+ *(uint64_t *)dst_bytes = *(const uint64_t *)src_bytes;
+ src_bytes += src_stride;
+ dst_bytes += dst_stride;
+ } while (--height);
+ break;
+ case 16:
+ do {
+ ((uint64_t *)dst_bytes)[0] = ((const uint64_t *)src_bytes)[0];
+ ((uint64_t *)dst_bytes)[1] = ((const uint64_t *)src_bytes)[1];
+ src_bytes += src_stride;
+ dst_bytes += dst_stride;
+ } while (--height);
+ break;
+
+ default:
+ do {
+ memcpy(dst_bytes, src_bytes, byte_width);
+ src_bytes += src_stride;
+ dst_bytes += dst_stride;
+ } while (--height);
+ break;
+ }
+}
+
+static void
+blit(const struct device *device,
+ struct buffer *src, uint16_t src_x, uint16_t src_y,
+ struct buffer *dst, uint16_t dst_x, uint16_t dst_y,
+ uint16_t width, uint16_t height)
+
+{
+ struct drm_i915_gem_exec_object2 obj[3];
+ struct drm_i915_gem_relocation_entry reloc[2];
+ struct drm_i915_gem_execbuffer2 execbuf;
+ const bool has_64b_reloc = device->gen >= 8;
+ uint32_t *batch;
+ uint32_t pitch;
+ int i = 0;
+
+ if (src_x < 0) {
+ width += src_x;
+ dst_x -= src_x;
+ src_x = 0;
+ }
+ if (src_y < 0) {
+ height += src_y;
+ dst_y -= src_y;
+ src_y = 0;
+ }
+
+ if (dst_x < 0) {
+ width += dst_x;
+ src_x -= dst_x;
+ dst_x = 0;
+ }
+ if (dst_y < 0) {
+ height += dst_y;
+ src_y -= dst_y;
+ dst_y = 0;
+ }
+
+ if (src_x + width > src->width)
+ width = src->width - src_x;
+ if (dst_x + width > dst->width)
+ width = dst->width - dst_x;
+
+ if (src_y + height > src->height)
+ height = src->height - src_y;
+ if (dst_y + height > dst->height)
+ height = dst->height - dst_y;
+
+ if (dst->caching) {
+ igt_assert(device->gen >= 3);
+ igt_assert(device->llc || !src->caching);
+ }
+
+ memset(&execbuf, 0, sizeof(execbuf));
+ execbuf.buffers_ptr = to_user_pointer(obj);
+ execbuf.buffer_count = ARRAY_SIZE(obj);
+ if (device->gen >= 6)
+ execbuf.flags = I915_EXEC_BLT;
+
+ memset(obj, 0, sizeof(obj));
+ obj[0].handle = dst->handle;
+ obj[0].offset = dst->gtt_offset;
+ if (dst->tiling)
+ obj[0].flags = EXEC_OBJECT_NEEDS_FENCE;
+
+ obj[1].handle = src->handle;
+ obj[1].offset = src->gtt_offset;
+ if (src->tiling)
+ obj[1].flags = EXEC_OBJECT_NEEDS_FENCE;
+
+ memset(reloc, 0, sizeof(reloc));
+ obj[2].handle = gem_create(device->fd, 4096);
+ obj[2].relocs_ptr = to_user_pointer(reloc);
+ obj[2].relocation_count = ARRAY_SIZE(reloc);
+ batch = gem_mmap__cpu(device->fd, obj[2].handle, 0, 4096, PROT_WRITE);
+
+ if ((src->tiling | dst->tiling) >= I915_TILING_Y) {
+ unsigned int mask;
+
+ batch[i++] = MI_LOAD_REGISTER_IMM;
+ batch[i++] = BCS_SWCTRL;
+
+ mask = (BCS_SRC_Y | BCS_DST_Y) << 16;
+ if (src->tiling == I915_TILING_Y)
+ mask |= BCS_SRC_Y;
+ if (dst->tiling == I915_TILING_Y)
+ mask |= BCS_DST_Y;
+ batch[i++] = mask;
+ }
+
+ batch[i] = (XY_SRC_COPY_BLT_CMD |
+ XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ if (device->gen >= 4 && src->tiling)
+ batch[i] |= XY_SRC_COPY_BLT_SRC_TILED;
+ if (device->gen >= 4 && dst->tiling)
+ batch[i] |= XY_SRC_COPY_BLT_DST_TILED;
+ batch[i++] |= 6 + 2 * has_64b_reloc;
+
+ pitch = dst->stride;
+ if (device->gen >= 4 && dst->tiling)
+ pitch /= 4;
+ batch[i++] = 3 << 24 | 0xcc << 16 | pitch;
+
+ batch[i++] = dst_y << 16 | dst_x;
+ batch[i++] = (height + dst_y) << 16 | (width + dst_x);
+ reloc[0].target_handle = obj[0].handle;
+ reloc[0].presumed_offset = obj[0].offset;
+ reloc[0].offset = sizeof(*batch) * i;
+ reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
+ reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
+ batch[i++] = obj[0].offset;
+ if (has_64b_reloc)
+ batch[i++] = obj[0].offset >> 32;
+
+ batch[i++] = src_y << 16 | src_x;
+ pitch = src->stride;
+ if (device->gen >= 4 && src->tiling)
+ pitch /= 4;
+ batch[i++] = pitch;
+ reloc[1].target_handle = obj[1].handle;
+ reloc[1].presumed_offset = obj[1].offset;
+ reloc[1].offset = sizeof(*batch) * i;
+ reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
+ batch[i++] = obj[1].offset;
+ if (has_64b_reloc)
+ batch[i++] = obj[1].offset >> 32;
+
+ if ((src->tiling | dst->tiling) >= I915_TILING_Y) {
+ igt_assert(device->gen >= 6);
+ batch[i++] = MI_FLUSH_DW | 2;
+ batch[i++] = 0;
+ batch[i++] = 0;
+ batch[i++] = 0;
+
+ batch[i++] = MI_LOAD_REGISTER_IMM;
+ batch[i++] = BCS_SWCTRL;
+ batch[i++] = (BCS_SRC_Y | BCS_DST_Y) << 16;
+ }
+
+ batch[i++] = MI_BATCH_BUFFER_END;
+ munmap(batch, 4096);
+
+ gem_execbuf(device->fd, &execbuf);
+ gem_close(device->fd, obj[2].handle);
+
+ dst->gtt_offset = obj[0].offset;
+ src->gtt_offset = obj[1].offset;
+
+ memcpy_blt(src->model, dst->model,
+ 4u * src->width, 4u * dst->width,
+ src_x, src_y,
+ dst_x, dst_y,
+ width, height);
+}
+
+enum start {
+ ZERO,
+ ABOVE,
+ BELOW
+};
+
+static int start_at(int x, enum start s)
+{
+ switch (s) {
+ default:
+ case ZERO:
+ return 0;
+ case ABOVE:
+ return 1;
+ case BELOW:
+ return x - 1;
+ }
+}
+
+igt_main
+{
+ struct device device;
+
+ igt_fixture {
+ device.fd = drm_open_driver_render(DRIVER_INTEL);
+ igt_require_gem(device.fd);
+
+ device.pciid = intel_get_drm_devid(device.fd);
+ device.gen = intel_gen(device.pciid);
+ device.llc = gem_has_llc(device.fd);
+ }
+
+ igt_subtest("basic") {
+ struct buffer *src, *dst;
+ unsigned int x, y;
+
+ for (unsigned int height = 1; height <= 16; height <<= 1) {
+ for (unsigned int y0 = ZERO; y0 <= (height > 2 ? BELOW : ZERO); y0++) {
+ for (unsigned int width = 1; width <= 64; width <<= 1) {
+ for (unsigned int x0 = ZERO; x0 <= (width > 2 ? BELOW : ZERO); x0++) {
+
+ src = buffer_create(&device,
+ width * 16, height * 4);
+ dst = buffer_create(&device,
+ width * 16, height * 4);
+
+ y = start_at(height, y0);
+ for (unsigned int src_tiling = I915_TILING_NONE;
+ src_tiling <= (device.gen >= 6 ? I915_TILING_Y : I915_TILING_X);
+ src_tiling++) {
+ buffer_set_tiling(&device, src, src_tiling);
+
+ x = start_at(width, x0);
+ for (unsigned int dst_tiling = I915_TILING_NONE;
+ dst_tiling <= (device.gen >= 6 ? I915_TILING_Y : I915_TILING_X);
+ dst_tiling++) {
+ buffer_set_tiling(&device, dst, dst_tiling);
+
+ for (enum mode down = CPU; down <= WC; down++) {
+ igt_debug("Testing src_tiling=%d, dst_tiling=%d, down=%d at (%d, %d) x (%d, %d)\n",
+ src_tiling,
+ dst_tiling,
+ down, x, y,
+ width, height);
+
+ igt_assert(x + width <= dst->width);
+ igt_assert(y + height <= dst->height);
+
+ blit(&device,
+ src, x, y,
+ dst, x, y,
+ width, height);
+ igt_assert(buffer_check(&device, dst, down));
+
+ x += width;
+ }
+ }
+
+ y += height;
+ }
+
+ buffer_free(&device, dst);
+ buffer_free(&device, src);
+ }
+ }
+ }
+ }
+ }
+}
@@ -106,6 +106,7 @@ i915_progs = [
'gen3_render_tiledy_blits',
'gem_bad_reloc',
'gem_basic',
+ 'gem_blits',
'gem_busy',
'gem_caching',
'gem_close',
The aim of this test is to combine gem_linear_blits, gem_tiled_blits etc into one test runner that covers investigation into HW alignment issues as well as driver boundaries (relocs, access, thrashing). See also gem_concurrent_blits which looks for coherency issues between parallel execution. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Katarzyna Dec <katarzyna.dec@intel.com> Cc: Vanshidhar Konda <vanshidhar.r.konda@intel.com> --- tests/Makefile.sources | 1 + tests/i915/gem_blits.c | 796 +++++++++++++++++++++++++++++++++++++++++ tests/meson.build | 1 + 3 files changed, 798 insertions(+) create mode 100644 tests/i915/gem_blits.c