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freedreno: dummy-draw workaround for a320

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Fixes gpu lockups in supertuxkart.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2013-12-14 12:13:28 -05:00
parent b56c7f4df1
commit f9cfe5ce82
2 changed files with 17 additions and 1 deletions
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3
src/gallium/drivers/freedreno/a3xx/fd3_emit.c
View file

@ -231,6 +231,7 @@ emit_cache_flush(struct fd_ringbuffer *ring)
OUT_PKT3(ring, CP_EVENT_WRITE, 1);
OUT_RING(ring, CACHE_FLUSH);
/* probably only really needed on a320: */
OUT_PKT3(ring, CP_DRAW_INDX, 3);
OUT_RING(ring, 0x00000000);
OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX,
@ -523,7 +524,7 @@ fd3_emit_restore(struct fd_context *ctx)
OUT_RING(ring, A3XX_RB_MSAA_CONTROL_DISABLE |
A3XX_RB_MSAA_CONTROL_SAMPLES(MSAA_ONE) |
A3XX_RB_MSAA_CONTROL_SAMPLE_MASK(0xffff));
OUT_RING(ring, 0x00000000); /* UNKNOWN_20C3 */
OUT_RING(ring, 0x00000000); /* RB_ALPHA_REF */
OUT_PKT0(ring, REG_A3XX_GRAS_CL_GB_CLIP_ADJ, 1);
OUT_RING(ring, A3XX_GRAS_CL_GB_CLIP_ADJ_HORZ(0) |

15
src/gallium/drivers/freedreno/freedreno_draw.h
View file

@ -59,6 +59,21 @@ fd_draw(struct fd_context *ctx, enum pc_di_primtype primtype,
*/
emit_marker(ring, 7);
if (ctx->screen->gpu_id == 320) {
/* dummy-draw workaround: */
OUT_PKT3(ring, CP_DRAW_INDX, 3);
OUT_RING(ring, 0x00000000);
OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX,
INDEX_SIZE_IGN, IGNORE_VISIBILITY));
OUT_RING(ring, 0); /* NumIndices */
/* ugg, hard-code register offset to avoid pulling in the
* a3xx register headers into something #included from a2xx
*/
OUT_PKT0(ring, 0x2206, 1); /* A3XX_HLSQ_CONST_VSPRESV_RANGE_REG */
OUT_RING(ring, 0);
}
OUT_PKT3(ring, CP_DRAW_INDX, idx_bo ? 5 : 3);
OUT_RING(ring, 0x00000000); /* viz query info. */
OUT_RING(ring, DRAW(primtype, src_sel,