lib/igt.cocci: Add s/assert/igt_assert/
[platform/upstream/intel-gpu-tools.git] / tests / gem_pipe_control_store_loop.c
index f3d6a4d..c95c2bd 100644 (file)
 #include <sys/stat.h>
 #include <sys/time.h>
 #include "drm.h"
-#include "i915_drm.h"
+#include "ioctl_wrappers.h"
 #include "drmtest.h"
 #include "intel_bufmgr.h"
 #include "intel_batchbuffer.h"
-#include "intel_gpu_tools.h"
+#include "intel_chipset.h"
+#include "intel_io.h"
 
 static drm_intel_bufmgr *bufmgr;
 struct intel_batchbuffer *batch;
@@ -63,7 +64,7 @@ uint32_t devid;
 
 /* Like the store dword test, but we create new command buffers each time */
 static void
-store_pipe_control_loop(void)
+store_pipe_control_loop(bool preuse_buffer)
 {
        int i, val = 0;
        uint32_t *buf;
@@ -73,15 +74,44 @@ store_pipe_control_loop(void)
                /* we want to check tlb consistency of the pipe_control target,
                 * so get a new buffer every time around */
                target_bo = drm_intel_bo_alloc(bufmgr, "target bo", 4096, 4096);
-               if (!target_bo) {
-                       fprintf(stderr, "failed to alloc target buffer\n");
-                       exit(-1);
+               igt_assert(target_bo);
+
+               if (preuse_buffer) {
+                       COLOR_BLIT_COPY_BATCH_START(devid, 0);
+                       OUT_BATCH((3 << 24) | (0xf0 << 16) | 64);
+                       OUT_BATCH(0);
+                       OUT_BATCH(1 << 16 | 1);
+
+                       /*
+                        * IMPORTANT: We need to preuse the buffer in a
+                        * different domain than what the pipe control write
+                        * (and kernel wa) uses!
+                        */
+                       OUT_RELOC(target_bo,
+                            I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+                            0);
+                       BLIT_RELOC_UDW(devid);
+                       OUT_BATCH(0xdeadbeef);
+                       ADVANCE_BATCH();
+
+                       intel_batchbuffer_flush(batch);
                }
 
                /* gem_storedw_batches_loop.c is a bit overenthusiastic with
                 * creating new batchbuffers - with buffer reuse disabled, the
                 * support code will do that for us. */
-               if (intel_gen(devid) >= 6) {
+               if (intel_gen(devid) >= 8) {
+                       BEGIN_BATCH(5);
+                       OUT_BATCH(GFX_OP_PIPE_CONTROL + 1);
+                       OUT_BATCH(PIPE_CONTROL_WRITE_IMMEDIATE);
+                       OUT_RELOC(target_bo,
+                            I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
+                            PIPE_CONTROL_GLOBAL_GTT);
+                       BLIT_RELOC_UDW(devid);
+                       OUT_BATCH(val); /* write data */
+                       ADVANCE_BATCH();
+
+               } else if (intel_gen(devid) >= 6) {
                        /* work-around hw issue, see intel_emit_post_sync_nonzero_flush
                         * in mesa sources. */
                        BEGIN_BATCH(4);
@@ -118,66 +148,50 @@ store_pipe_control_loop(void)
                drm_intel_bo_map(target_bo, 1);
 
                buf = target_bo->virtual;
-               if (buf[0] != val) {
-                       fprintf(stderr,
-                               "value mismatch: cur 0x%08x, stored 0x%08x\n",
-                               buf[0], val);
-                       exit(-1);
-               }
-               buf[0] = 0; /* let batch write it again */
-               drm_intel_bo_unmap(target_bo);
+               igt_assert(buf[0] == val);
 
+               drm_intel_bo_unmap(target_bo);
+               /* Make doublesure that this buffer won't get reused. */
+               drm_intel_bo_disable_reuse(target_bo);
                drm_intel_bo_unreference(target_bo);
 
                val++;
        }
-
-       printf("completed %d writes successfully\n", i);
 }
 
-int main(int argc, char **argv)
+int fd;
+
+igt_main
 {
-       int fd;
+       igt_fixture {
+               fd = drm_open_any();
+               devid = intel_get_drm_devid(fd);
 
-       if (argc != 1) {
-               fprintf(stderr, "usage: %s\n", argv[0]);
-               exit(-1);
-       }
+               bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
+               igt_assert(bufmgr);
 
-       fd = drm_open_any();
-       devid = intel_get_drm_devid(fd);
+               igt_skip_on(IS_GEN2(devid) || IS_GEN3(devid));
+               igt_skip_on(devid == PCI_CHIP_I965_G); /* has totally broken pipe control */
 
-       bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-       if (!bufmgr) {
-               fprintf(stderr, "failed to init libdrm\n");
-               exit(-1);
-       }
+               /* IMPORTANT: No call to
+                * drm_intel_bufmgr_gem_enable_reuse(bufmgr);
+                * here because we wan't to have fresh buffers (to trash the tlb)
+                * every time! */
 
-       if (IS_GEN2(devid) || IS_GEN3(devid)) {
-               fprintf(stderr, "no pipe_control on gen2/3\n");
-               return 77;
-       }
-       if (devid == PCI_CHIP_I965_G) {
-               fprintf(stderr, "pipe_control totally broken on i965\n");
-               return 77;
-       }
-       /* IMPORTANT: No call to
-        * drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-        * here because we wan't to have fresh buffers (to trash the tlb)
-        * every time! */
-
-       batch = intel_batchbuffer_alloc(bufmgr, devid);
-       if (!batch) {
-               fprintf(stderr, "failed to create batch buffer\n");
-               exit(-1);
+               batch = intel_batchbuffer_alloc(bufmgr, devid);
+               igt_assert(batch);
        }
 
-       store_pipe_control_loop();
+       igt_subtest("fresh-buffer")
+               store_pipe_control_loop(false);
 
-       intel_batchbuffer_free(batch);
-       drm_intel_bufmgr_destroy(bufmgr);
+       igt_subtest("reused-buffer")
+               store_pipe_control_loop(true);
 
-       close(fd);
+       igt_fixture {
+               intel_batchbuffer_free(batch);
+               drm_intel_bufmgr_destroy(bufmgr);
 
-       return 0;
+               close(fd);
+       }
 }