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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-03-25 21:53:07 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-03-25 21:53:07 +0100 |
| commit | 2aac22358feb217435bb4b77ae824db823435db0 (patch) | |
| tree | 85197b3c1762f12516e28d5d34daa096d50f8746 /tests | |
| parent | cfba9dd371bdf8031bf2bd77817a7a7976319e61 (diff) | |
gem_stress: implement gen5 blitter work-around
ddx and mesa assume that this is issued after every blit command.
Breaking that invariant results in a dying gpu.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/gem_stress.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/gem_stress.c b/tests/gem_stress.c index 1a31ab32..62e91c0e 100644 --- a/tests/gem_stress.c +++ b/tests/gem_stress.c @@ -66,6 +66,8 @@ #include "intel_batchbuffer.h" #include "intel_gpu_tools.h" +#define CMD_POLY_STIPPLE_OFFSET 0x7906 + /** TODO: * - beat on relaxed fencing (i.e. mappable/fenceable tracking in the kernel) * - render copy (to check fence tracking and cache coherency management by the @@ -164,6 +166,13 @@ static void keep_gpu_busy(void) OUT_BATCH(src_pitch); OUT_RELOC(busy_bo, I915_GEM_DOMAIN_RENDER, 0, 0); ADVANCE_BATCH(); + + if (IS_GEN5(devid)) { + BEGIN_BATCH(2); + OUT_BATCH(CMD_POLY_STIPPLE_OFFSET << 16); + OUT_BATCH(0); + ADVANCE_BATCH(); + } } static unsigned int copyfunc_seq = 0; @@ -279,6 +288,13 @@ static void blitter_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned s OUT_RELOC(src->bo, I915_GEM_DOMAIN_RENDER, 0, 0); ADVANCE_BATCH(); + if (IS_GEN5(devid)) { + BEGIN_BATCH(2); + OUT_BATCH(CMD_POLY_STIPPLE_OFFSET << 16); + OUT_BATCH(0); + ADVANCE_BATCH(); + } + if (!(keep_gpu_busy_counter & 1) && !fence_storm) keep_gpu_busy(); |