From ec24f009caf60e47f772dc2cf66789fc464e30cf Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Tue, 6 Dec 2016 14:21:22 -0500 Subject: [PATCH] freedreno/a5xx: gmem bypass mode Signed-off-by: Rob Clark --- src/gallium/drivers/freedreno/a5xx/fd5_gmem.c | 72 +++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c b/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c index f505733c3c3..1b6b784a252 100644 --- a/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c +++ b/src/gallium/drivers/freedreno/a5xx/fd5_gmem.c @@ -469,6 +469,77 @@ fd5_emit_tile_fini(struct fd_batch *batch) fd5_set_render_mode(batch->ctx, batch->gmem, BYPASS); } +static void +fd5_emit_sysmem_prep(struct fd_batch *batch) +{ + struct pipe_framebuffer_state *pfb = &batch->framebuffer; + struct fd_ringbuffer *ring = batch->gmem; + + fd5_emit_restore(batch, ring); + + OUT_PKT7(ring, CP_EVENT_WRITE, 1); + OUT_RING(ring, UNK_26); + + OUT_PKT7(ring, CP_SKIP_IB2_ENABLE_GLOBAL, 1); + OUT_RING(ring, 0x0); + + OUT_PKT4(ring, REG_A5XX_PC_POWER_CNTL, 1); + OUT_RING(ring, 0x00000003); /* PC_POWER_CNTL */ + + OUT_PKT4(ring, REG_A5XX_VFD_POWER_CNTL, 1); + OUT_RING(ring, 0x00000003); /* VFD_POWER_CNTL */ + + /* 0x10000000 for BYPASS.. 0x7c13c080 for GMEM: */ + fd_wfi(batch, ring); + OUT_PKT4(ring, REG_A5XX_RB_CCU_CNTL, 1); + OUT_RING(ring, 0x10000000); /* RB_CCU_CNTL */ + + OUT_PKT4(ring, REG_A5XX_GRAS_SC_WINDOW_SCISSOR_TL, 2); + OUT_RING(ring, A5XX_GRAS_SC_WINDOW_SCISSOR_TL_X(0) | + A5XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(0)); + OUT_RING(ring, A5XX_GRAS_SC_WINDOW_SCISSOR_BR_X(pfb->width - 1) | + A5XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(pfb->height - 1)); + + OUT_PKT4(ring, REG_A5XX_RB_RESOLVE_CNTL_1, 2); + OUT_RING(ring, A5XX_RB_RESOLVE_CNTL_1_X(0) | + A5XX_RB_RESOLVE_CNTL_1_Y(0)); + OUT_RING(ring, A5XX_RB_RESOLVE_CNTL_2_X(pfb->width - 1) | + A5XX_RB_RESOLVE_CNTL_2_Y(pfb->height - 1)); + + OUT_PKT4(ring, REG_A5XX_RB_WINDOW_OFFSET, 1); + OUT_RING(ring, A5XX_RB_WINDOW_OFFSET_X(0) | + A5XX_RB_WINDOW_OFFSET_Y(0)); + + OUT_PKT7(ring, CP_SET_VISIBILITY_OVERRIDE, 1); + OUT_RING(ring, 0x1); + + OUT_PKT4(ring, REG_A5XX_RB_CNTL, 1); + OUT_RING(ring, A5XX_RB_CNTL_WIDTH(0) | + A5XX_RB_CNTL_HEIGHT(0) | + A5XX_RB_CNTL_BYPASS); + + patch_draws(batch, IGNORE_VISIBILITY); + + emit_zs(ring, pfb->zsbuf, NULL); + emit_mrt(ring, pfb->nr_cbufs, pfb->cbufs, NULL); + + // TODO MSAA + OUT_PKT4(ring, REG_A5XX_TPL1_TP_RAS_MSAA_CNTL, 2); + OUT_RING(ring, A5XX_TPL1_TP_RAS_MSAA_CNTL_SAMPLES(MSAA_ONE)); + OUT_RING(ring, A5XX_TPL1_TP_DEST_MSAA_CNTL_SAMPLES(MSAA_ONE) | + A5XX_TPL1_TP_DEST_MSAA_CNTL_MSAA_DISABLE); + + OUT_PKT4(ring, REG_A5XX_RB_RAS_MSAA_CNTL, 2); + OUT_RING(ring, A5XX_RB_RAS_MSAA_CNTL_SAMPLES(MSAA_ONE)); + OUT_RING(ring, A5XX_RB_DEST_MSAA_CNTL_SAMPLES(MSAA_ONE) | + A5XX_RB_DEST_MSAA_CNTL_MSAA_DISABLE); + + OUT_PKT4(ring, REG_A5XX_GRAS_SC_RAS_MSAA_CNTL, 2); + OUT_RING(ring, A5XX_GRAS_SC_RAS_MSAA_CNTL_SAMPLES(MSAA_ONE)); + OUT_RING(ring, A5XX_GRAS_SC_DEST_MSAA_CNTL_SAMPLES(MSAA_ONE) | + A5XX_GRAS_SC_DEST_MSAA_CNTL_MSAA_DISABLE); +} + void fd5_gmem_init(struct pipe_context *pctx) { @@ -480,4 +551,5 @@ fd5_gmem_init(struct pipe_context *pctx) ctx->emit_tile_renderprep = fd5_emit_tile_renderprep; ctx->emit_tile_gmem2mem = fd5_emit_tile_gmem2mem; ctx->emit_tile_fini = fd5_emit_tile_fini; + ctx->emit_sysmem_prep = fd5_emit_sysmem_prep; } -- 2.11.0