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r600g: fix r600_get_backend_mask() for virtual addresses

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I don't think we should hit this path for virtual addresses,
but just in case.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-03-19 10:52:46 -04:00
parent 40c995c1fd
commit 91ddfa72b4
1 changed files with 5 additions and 2 deletions
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7
src/gallium/drivers/r600/r600_hw_context.c
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@ -36,6 +36,7 @@ void r600_get_backend_mask(struct r600_context *ctx)
uint32_t *results;
unsigned num_backends = ctx->screen->info.r600_num_backends;
unsigned i, mask = 0;
uint64_t va;
/* if backend_map query is supported by the kernel */
if (ctx->screen->info.r600_backend_map_valid) {
@ -71,6 +72,8 @@ void r600_get_backend_mask(struct r600_context *ctx)
if (!buffer)
goto err;
va = r600_resource_va(&ctx->screen->screen, (void*)buffer);
/* initialize buffer with zeroes */
results = ctx->ws->buffer_map(buffer->buf, ctx->cs, PIPE_TRANSFER_WRITE);
if (results) {
@ -80,8 +83,8 @@ void r600_get_backend_mask(struct r600_context *ctx)
/* emit EVENT_WRITE for ZPASS_DONE */
cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 2, 0);
cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_ZPASS_DONE) | EVENT_INDEX(1);
cs->buf[cs->cdw++] = 0;
cs->buf[cs->cdw++] = 0;
cs->buf[cs->cdw++] = va;
cs->buf[cs->cdw++] = (va >> 32UL) & 0xFF;
cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0);
cs->buf[cs->cdw++] = r600_context_bo_reloc(ctx, buffer, RADEON_USAGE_WRITE);