[Mesa-dev] [PATCH 1/6] r600g: remove useless r600_resource_va calls

Alex Deucher alexdeucher at gmail.com
Thu Aug 7 07:06:36 PDT 2014


On Wed, Aug 6, 2014 at 5:49 PM, Marek Olšák <maraeo at gmail.com> wrote:
> From: Marek Olšák <marek.olsak at amd.com>
>
> R600-R700 don't support virtual memory.

For consistency, it might be nice to use gpu_address here as well, but
just set it to 0 for 6xx/7xx.  Either way, series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  src/gallium/drivers/r600/r600_state.c | 27 +++++++++------------------
>  1 file changed, 9 insertions(+), 18 deletions(-)
>
> diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
> index 258ffd1..607b199 100644
> --- a/src/gallium/drivers/r600/r600_state.c
> +++ b/src/gallium/drivers/r600/r600_state.c
> @@ -595,25 +595,22 @@ texture_buffer_sampler_view(struct r600_pipe_sampler_view *view,
>                             unsigned width0, unsigned height0)
>
>  {
> -       struct pipe_context *ctx = view->base.context;
>         struct r600_texture *tmp = (struct r600_texture*)view->base.texture;
> -       uint64_t va;
>         int stride = util_format_get_blocksize(view->base.format);
>         unsigned format, num_format, format_comp, endian;
> -       unsigned offset = view->base.u.buf.first_element * stride;
> +       uint64_t offset = view->base.u.buf.first_element * stride;
>         unsigned size = (view->base.u.buf.last_element - view->base.u.buf.first_element + 1) * stride;
>
>         r600_vertex_data_type(view->base.format,
>                               &format, &num_format, &format_comp,
>                               &endian);
>
> -       va = r600_resource_va(ctx->screen, view->base.texture) + offset;
>         view->tex_resource = &tmp->resource;
> -
>         view->skip_mip_address_reloc = true;
> -       view->tex_resource_words[0] = va;
> +
> +       view->tex_resource_words[0] = offset;
>         view->tex_resource_words[1] = size - 1;
> -       view->tex_resource_words[2] = S_038008_BASE_ADDRESS_HI(va >> 32UL) |
> +       view->tex_resource_words[2] = S_038008_BASE_ADDRESS_HI(offset >> 32UL) |
>                 S_038008_STRIDE(stride) |
>                 S_038008_DATA_FORMAT(format) |
>                 S_038008_NUM_FORMAT_ALL(num_format) |
> @@ -1105,8 +1102,7 @@ static void r600_init_depth_surface(struct r600_context *rctx,
>
>         /* use htile only for first level */
>         if (rtex->htile_buffer && !level) {
> -               uint64_t va = r600_resource_va(&rctx->screen->b.b, &rtex->htile_buffer->b.b);
> -               surf->db_htile_data_base = va >> 8;
> +               surf->db_htile_data_base = 0;
>                 surf->db_htile_surface = S_028D24_HTILE_WIDTH(1) |
>                                         S_028D24_HTILE_HEIGHT(1) |
>                                         S_028D24_FULL_CACHE(1) |
> @@ -1944,7 +1940,6 @@ static void r600_emit_shader_stages(struct r600_context *rctx, struct r600_atom
>
>  static void r600_emit_gs_rings(struct r600_context *rctx, struct r600_atom *a)
>  {
> -       struct pipe_screen *screen = rctx->b.b.screen;
>         struct radeon_winsys_cs *cs = rctx->b.rings.gfx.cs;
>         struct r600_gs_rings_state *state = (struct r600_gs_rings_state*)a;
>         struct r600_resource *rbuffer;
> @@ -1955,8 +1950,7 @@ static void r600_emit_gs_rings(struct r600_context *rctx, struct r600_atom *a)
>
>         if (state->enable) {
>                 rbuffer =(struct r600_resource*)state->esgs_ring.buffer;
> -               r600_write_config_reg(cs, R_008C40_SQ_ESGS_RING_BASE,
> -                               (r600_resource_va(screen, &rbuffer->b.b)) >> 8);
> +               r600_write_config_reg(cs, R_008C40_SQ_ESGS_RING_BASE, 0);
>                 radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
>                 radeon_emit(cs, r600_context_bo_reloc(&rctx->b, &rctx->b.rings.gfx, rbuffer,
>                                                       RADEON_USAGE_READWRITE,
> @@ -1965,8 +1959,7 @@ static void r600_emit_gs_rings(struct r600_context *rctx, struct r600_atom *a)
>                                 state->esgs_ring.buffer_size >> 8);
>
>                 rbuffer =(struct r600_resource*)state->gsvs_ring.buffer;
> -               r600_write_config_reg(cs, R_008C48_SQ_GSVS_RING_BASE,
> -                               (r600_resource_va(screen, &rbuffer->b.b)) >> 8);
> +               r600_write_config_reg(cs, R_008C48_SQ_GSVS_RING_BASE, 0);
>                 radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
>                 radeon_emit(cs, r600_context_bo_reloc(&rctx->b, &rctx->b.rings.gfx, rbuffer,
>                                                       RADEON_USAGE_READWRITE,
> @@ -2644,8 +2637,7 @@ void r600_update_gs_state(struct pipe_context *ctx, struct r600_pipe_shader *sha
>         r600_store_context_reg(cb, R_02887C_SQ_PGM_RESOURCES_GS,
>                                S_02887C_NUM_GPRS(rshader->bc.ngpr) |
>                                S_02887C_STACK_SIZE(rshader->bc.nstack));
> -       r600_store_context_reg(cb, R_02886C_SQ_PGM_START_GS,
> -                              r600_resource_va(ctx->screen, (void *)shader->bo) >> 8);
> +       r600_store_context_reg(cb, R_02886C_SQ_PGM_START_GS, 0);
>         /* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
>  }
>
> @@ -2659,8 +2651,7 @@ void r600_update_es_state(struct pipe_context *ctx, struct r600_pipe_shader *sha
>         r600_store_context_reg(cb, R_028890_SQ_PGM_RESOURCES_ES,
>                                S_028890_NUM_GPRS(rshader->bc.ngpr) |
>                                S_028890_STACK_SIZE(rshader->bc.nstack));
> -       r600_store_context_reg(cb, R_028880_SQ_PGM_START_ES,
> -                              r600_resource_va(ctx->screen, (void *)shader->bo) >> 8);
> +       r600_store_context_reg(cb, R_028880_SQ_PGM_START_ES, 0);
>         /* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
>  }
>
> --
> 1.9.1
>
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