[Mesa-dev] [PATCH 2/2] radeonsi: Implement DMA blit

Niels Ole Salscheider niels_ole at salscheider-online.de
Mon Mar 17 10:51:24 PDT 2014


I have sent an updated version of the patch to the mailing list.
I hope that the copyright header of si_dma.c is right - I copied it from 
si_hw_context.c...

Ole

On Monday 17 March 2014, 02:33:35, Marek Olšák wrote:
> Thanks for doing this! I have some comments...
> 
> 1) As of SI, the maximum supported size for dword-aligned L2L, L2T,
> and T2L copies is 0xffff8. The maximum supported size for byte-aligned
> L2L copies is 0xfffe0. I'd like to have proper definitions for this,
> e.g. SI_DMA_COPY_MAX_SIZE and SI_DMA_COPY_MAX_SIZE_DW. All occurrences
> of 0x000fffff should be replaced appropriately.
> 
> Now the cosmetic stuff.
> 
> 2) This is quite a lot of code, so I'd like all of this to be in a
> separate file, e.g. si_dma.c.
> 
> 3) r600/si_need_cs_space could be moved to drivers/radeon.
> 
> 4) All calls to r600_context_bo_reloc could be moved out of the loops,
> because SI supports virtual memory and therefore it's not required to
> call the function before every packet. See also my explanation in
> patch "winsys/radeon: only add duplicate relocations for DMA if VM
> isn't supported".
> 
> 5) Flushing the gfx CS is not required, because r600_context_bo_reloc
> flushes it for you.
> 
> Please see also my latest DMA patches for r600g.
> 
> Thanks.
> 
> Marek
> 
> On Thu, Mar 13, 2014 at 8:45 AM, Niels Ole Salscheider
> 
> <niels_ole at salscheider-online.de> wrote:
> > This code is a slightly modified version of evergreen_dma_blit (and
> > evergreen_dma_copy as well as evergreen_dma_copy_tile).
> > It would be nice to share some of the code in the long term.
> > 
> > I have reused some "cik"-prefixed functions that also return the right
> > value for SI. I am not sure if they should be renamed.
> > 
> > Signed-off-by: Niels Ole Salscheider <niels_ole at salscheider-online.de>
> > ---
> > 
> >  src/gallium/drivers/radeonsi/si_hw_context.c |  65 +++++++
> >  src/gallium/drivers/radeonsi/si_pipe.h       |   7 +
> >  src/gallium/drivers/radeonsi/si_state.c      | 265
> >  ++++++++++++++++++++++++++- src/gallium/drivers/radeonsi/sid.h          
> >  |  15 ++
> >  4 files changed, 346 insertions(+), 6 deletions(-)
> > 
> > diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c
> > b/src/gallium/drivers/radeonsi/si_hw_context.c index d9fba01..76583a3
> > 100644
> > --- a/src/gallium/drivers/radeonsi/si_hw_context.c
> > +++ b/src/gallium/drivers/radeonsi/si_hw_context.c
> > @@ -25,6 +25,8 @@
> > 
> >   */
> >  
> >  #include "si_pipe.h"
> > 
> > +#include "sid.h"
> > +#include "../radeon/r600_cs.h"
> > 
> >  /* initialize */
> >  void si_need_cs_space(struct si_context *ctx, unsigned num_dw,
> > 
> > @@ -186,6 +188,69 @@ void si_begin_new_cs(struct si_context *ctx)
> > 
> >         ctx->b.initial_gfx_cs_size = ctx->b.rings.gfx.cs->cdw;
> >  
> >  }
> > 
> > +void si_need_dma_space(struct si_context *ctx, unsigned num_dw)
> > +{
> > +       /* The number of dwords we already used in the DMA so far. */
> > +       num_dw += ctx->b.rings.dma.cs->cdw;
> > +       /* Flush if there's not enough space. */
> > +       if (num_dw > RADEON_MAX_CMDBUF_DWORDS) {
> > +               ctx->b.rings.dma.flush(ctx, RADEON_FLUSH_ASYNC);
> > +       }
> > +}
> > +
> > +void si_dma_copy(struct si_context *ctx,
> > +                struct pipe_resource *dst,
> > +                struct pipe_resource *src,
> > +                uint64_t dst_offset,
> > +                uint64_t src_offset,
> > +                uint64_t size)
> > +{
> > +       struct radeon_winsys_cs *cs = ctx->b.rings.dma.cs;
> > +       unsigned i, ncopy, csize, sub_cmd, shift;
> > +       struct r600_resource *rdst = (struct r600_resource*)dst;
> > +       struct r600_resource *rsrc = (struct r600_resource*)src;
> > +
> > +       /* Mark the buffer range of destination as valid (initialized),
> > +        * so that transfer_map knows it should wait for the GPU when
> > mapping +        * that range. */
> > +       util_range_add(&rdst->valid_buffer_range, dst_offset,
> > +                      dst_offset + size);
> > +
> > +       /* make sure that the dma ring is only one active */
> > +       ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC);
> > +       dst_offset += r600_resource_va(&ctx->screen->b.b, dst);
> > +       src_offset += r600_resource_va(&ctx->screen->b.b, src);
> > +
> > +       /* see if we use dword or byte copy */
> > +       if (!(dst_offset & 0x3) && !(src_offset & 0x3) && !(size & 0x3)) {
> > +               size >>= 2;
> > +               sub_cmd = 0x00;
> > +               shift = 2;
> > +       } else {
> > +               sub_cmd = 0x40;
> > +               shift = 0;
> > +       }
> > +       ncopy = (size / 0x000fffff) + !!(size % 0x000fffff);
> > +
> > +       si_need_dma_space(ctx, ncopy * 5);
> > +       for (i = 0; i < ncopy; i++) {
> > +               csize = size < 0x000fffff ? size : 0x000fffff;
> > +               /* emit reloc before writting cs so that cs is always in
> > consistent state */ +               r600_context_bo_reloc(&ctx->b,
> > &ctx->b.rings.dma, rsrc, RADEON_USAGE_READ, +                            
> >         RADEON_PRIO_MIN);
> > +               r600_context_bo_reloc(&ctx->b, &ctx->b.rings.dma, rdst,
> > RADEON_USAGE_WRITE, +                                    
> > RADEON_PRIO_MIN);
> > +               cs->buf[cs->cdw++] = SI_DMA_PACKET(SI_DMA_PACKET_COPY,
> > sub_cmd, csize); +               cs->buf[cs->cdw++] = dst_offset &
> > 0xffffffff;
> > +               cs->buf[cs->cdw++] = src_offset & 0xffffffff;
> > +               cs->buf[cs->cdw++] = (dst_offset >> 32UL) & 0xff;
> > +               cs->buf[cs->cdw++] = (src_offset >> 32UL) & 0xff;
> > +               dst_offset += csize << shift;
> > +               src_offset += csize << shift;
> > +               size -= csize;
> > +       }
> > +}
> > +
> > 
> >  #if SI_TRACE_CS
> >  void si_trace_emit(struct si_context *sctx)
> >  {
> > 
> > diff --git a/src/gallium/drivers/radeonsi/si_pipe.h
> > b/src/gallium/drivers/radeonsi/si_pipe.h index 47dc8e7..45def1e 100644
> > --- a/src/gallium/drivers/radeonsi/si_pipe.h
> > +++ b/src/gallium/drivers/radeonsi/si_pipe.h
> > @@ -171,6 +171,13 @@ void si_decompress_color_textures(struct si_context
> > *sctx,> 
> >  void si_context_flush(struct si_context *ctx, unsigned flags);
> >  void si_begin_new_cs(struct si_context *ctx);
> >  void si_need_cs_space(struct si_context *ctx, unsigned num_dw, boolean
> >  count_draw_in);> 
> > +void si_need_dma_space(struct si_context *ctx, unsigned num_dw);
> > +void si_dma_copy(struct si_context *ctx,
> > +                struct pipe_resource *dst,
> > +                struct pipe_resource *src,
> > +                uint64_t dst_offset,
> > +                uint64_t src_offset,
> > +                uint64_t size);
> > 
> >  /* si_pipe.c */
> >  void si_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
> > 
> > diff --git a/src/gallium/drivers/radeonsi/si_state.c
> > b/src/gallium/drivers/radeonsi/si_state.c index 3843330..1be8398 100644
> > --- a/src/gallium/drivers/radeonsi/si_state.c
> > +++ b/src/gallium/drivers/radeonsi/si_state.c
> > @@ -47,6 +47,48 @@ static void si_init_atom(struct r600_atom *atom, struct
> > r600_atom **list_elem,> 
> >         *list_elem = atom;
> >  
> >  }
> > 
> > +static unsigned si_array_mode(unsigned mode)
> > +{
> > +       switch (mode) {
> > +       case RADEON_SURF_MODE_LINEAR_ALIGNED:
> > +               return V_009910_ARRAY_LINEAR_ALIGNED;
> > +       case RADEON_SURF_MODE_1D:
> > +               return V_009910_ARRAY_1D_TILED_THIN1;
> > +       case RADEON_SURF_MODE_2D:
> > +               return V_009910_ARRAY_2D_TILED_THIN1;
> > +       default:
> > +       case RADEON_SURF_MODE_LINEAR:
> > +               return V_009910_ARRAY_LINEAR_GENERAL;
> > +       }
> > +}
> > +
> > +static uint32_t si_num_banks(uint32_t nbanks)
> > +{
> > +       switch (nbanks) {
> > +       case 2:
> > +               return V_009910_ADDR_SURF_2_BANK;
> > +       case 4:
> > +               return V_009910_ADDR_SURF_4_BANK;
> > +       case 8:
> > +       default:
> > +               return V_009910_ADDR_SURF_8_BANK;
> > +       case 16:
> > +               return V_009910_ADDR_SURF_16_BANK;
> > +       }
> > +}
> > +
> > +static uint32_t si_micro_tile_mode(struct si_screen *sscreen, unsigned
> > tile_mode) +{
> > +       if (sscreen->b.info.si_tile_mode_array_valid) {
> > +               uint32_t gb_tile_mode =
> > sscreen->b.info.si_tile_mode_array[tile_mode]; +
> > +               return G_009910_MICRO_TILE_MODE(gb_tile_mode);
> > +       }
> > +
> > +       /* The kernel cannod return the tile mode array. Guess? */
> > +       return V_009910_ADDR_SURF_THIN_MICRO_TILING;
> > +}
> > +
> > 
> >  static uint32_t cik_num_banks(struct si_screen *sscreen, unsigned bpe,
> >  unsigned tile_split) {
> >  
> >         if (sscreen->b.info.cik_macrotile_mode_array_valid) {
> > 
> > @@ -2926,18 +2968,229 @@ static void *si_create_blend_custom(struct
> > si_context *sctx, unsigned mode)> 
> >         return si_create_blend_state_mode(&sctx->b.b, &blend, mode);
> >  
> >  }
> > 
> > -static void si_dma_copy(struct pipe_context *ctx,
> > +static void si_dma_copy_tile(struct si_context *ctx,
> > +                            struct pipe_resource *dst,
> > +                            unsigned dst_level,
> > +                            unsigned dst_x,
> > +                            unsigned dst_y,
> > +                            unsigned dst_z,
> > +                            struct pipe_resource *src,
> > +                            unsigned src_level,
> > +                            unsigned src_x,
> > +                            unsigned src_y,
> > +                            unsigned src_z,
> > +                            unsigned copy_height,
> > +                            unsigned pitch,
> > +                            unsigned bpp)
> > +{
> > +       struct radeon_winsys_cs *cs = ctx->b.rings.dma.cs;
> > +       struct si_screen *sscreen = ctx->screen;
> > +       struct r600_texture *rsrc = (struct r600_texture*)src;
> > +       struct r600_texture *rdst = (struct r600_texture*)dst;
> > +       unsigned array_mode, lbpp, pitch_tile_max, slice_tile_max, size;
> > +       unsigned ncopy, height, cheight, detile, i, x, y, z, src_mode,
> > dst_mode; +       unsigned sub_cmd, bank_h, bank_w, mt_aspect, nbanks,
> > tile_split, mt; +       uint64_t base, addr;
> > +       unsigned pipe_config, tile_mode_index;
> > +
> > +       /* make sure that the dma ring is only one active */
> > +       ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC);
> > +
> > +       dst_mode = rdst->surface.level[dst_level].mode;
> > +       src_mode = rsrc->surface.level[src_level].mode;
> > +       /* downcast linear aligned to linear to simplify test */
> > +       src_mode = src_mode == RADEON_SURF_MODE_LINEAR_ALIGNED ?
> > RADEON_SURF_MODE_LINEAR : src_mode; +       dst_mode = dst_mode ==
> > RADEON_SURF_MODE_LINEAR_ALIGNED ? RADEON_SURF_MODE_LINEAR : dst_mode; +  
> >     assert(dst_mode != src_mode);
> > +
> > +       y = 0;
> > +       sub_cmd = 0x8;
> > +       lbpp = util_logbase2(bpp);
> > +       pitch_tile_max = ((pitch / bpp) >> 3) - 1;
> > +       nbanks = si_num_banks(ctx->screen->b.tiling_info.num_banks);
> > +
> > +       if (dst_mode == RADEON_SURF_MODE_LINEAR) {
> > +               /* T2L */
> > +               array_mode = si_array_mode(src_mode);
> > +               slice_tile_max = (rsrc->surface.level[src_level].nblk_x *
> > rsrc->surface.level[src_level].nblk_y) >> 6; +              
> > slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0; +              
> > /* linear height must be the same as the slice tile max height, it's ok
> > even +                * if the linear destination/source have smaller
> > heigh as the size of the +                * dma packet will be using the
> > copy_height which is always smaller or equal +                * to the
> > linear height
> > +                */
> > +               height = rsrc->surface.level[src_level].npix_y;
> > +               detile = 1;
> > +               x = src_x;
> > +               y = src_y;
> > +               z = src_z;
> > +               base = rsrc->surface.level[src_level].offset;
> > +               addr = rdst->surface.level[dst_level].offset;
> > +               addr += rdst->surface.level[dst_level].slice_size * dst_z;
> > +               addr += dst_y * pitch + dst_x * bpp;
> > +               bank_h = cik_bank_wh(rsrc->surface.bankh);
> > +               bank_w = cik_bank_wh(rsrc->surface.bankw);
> > +               mt_aspect = cik_macro_tile_aspect(rsrc->surface.mtilea);
> > +               tile_split = cik_tile_split(rsrc->surface.tile_split);
> > +               tile_mode_index = si_tile_mode_index(rsrc, src_level,
> > +                                                   
> > util_format_has_stencil(util_format_description(src->format))); +        
> >       base += r600_resource_va(&ctx->screen->b.b, src);
> > +               addr += r600_resource_va(&ctx->screen->b.b, dst);
> > +       } else {
> > +               /* L2T */
> > +               array_mode = si_array_mode(dst_mode);
> > +               slice_tile_max = (rdst->surface.level[dst_level].nblk_x *
> > rdst->surface.level[dst_level].nblk_y) >> 6; +              
> > slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0; +              
> > /* linear height must be the same as the slice tile max height, it's ok
> > even +                * if the linear destination/source have smaller
> > heigh as the size of the +                * dma packet will be using the
> > copy_height which is always smaller or equal +                * to the
> > linear height
> > +                */
> > +               height = rdst->surface.level[dst_level].npix_y;
> > +               detile = 0;
> > +               x = dst_x;
> > +               y = dst_y;
> > +               z = dst_z;
> > +               base = rdst->surface.level[dst_level].offset;
> > +               addr = rsrc->surface.level[src_level].offset;
> > +               addr += rsrc->surface.level[src_level].slice_size * src_z;
> > +               addr += src_y * pitch + src_x * bpp;
> > +               bank_h = cik_bank_wh(rdst->surface.bankh);
> > +               bank_w = cik_bank_wh(rdst->surface.bankw);
> > +               mt_aspect = cik_macro_tile_aspect(rdst->surface.mtilea);
> > +               tile_split = cik_tile_split(rdst->surface.tile_split);
> > +               tile_mode_index = si_tile_mode_index(rdst, dst_level,
> > +                                                   
> > util_format_has_stencil(util_format_description(dst->format))); +        
> >       base += r600_resource_va(&ctx->screen->b.b, dst);
> > +               addr += r600_resource_va(&ctx->screen->b.b, src);
> > +       }
> > +
> > +       pipe_config = cik_db_pipe_config(sscreen, tile_mode_index);
> > +       mt = si_micro_tile_mode(sscreen, tile_mode_index);
> > +       size = (copy_height * pitch) >> 2;
> > +       ncopy = (size / 0x000fffff) + !!(size % 0x000fffff);
> > +       si_need_dma_space(ctx, ncopy * 9);
> > +
> > +       for (i = 0; i < ncopy; i++) {
> > +               cheight = copy_height;
> > +               if (((cheight * pitch) >> 2) > 0x000fffff) {
> > +                       cheight = (0x000fffff << 2) / pitch;
> > +               }
> > +               size = (cheight * pitch) >> 2;
> > +               /* emit reloc before writting cs so that cs is always in
> > consistent state */ +               r600_context_bo_reloc(&ctx->b,
> > &ctx->b.rings.dma, &rsrc->resource, +                                    
> > RADEON_USAGE_READ, RADEON_PRIO_MIN); +              
> > r600_context_bo_reloc(&ctx->b, &ctx->b.rings.dma, &rdst->resource, +     
> >                                RADEON_USAGE_WRITE, RADEON_PRIO_MIN); +   
> >            cs->buf[cs->cdw++] = SI_DMA_PACKET(SI_DMA_PACKET_COPY,
> > sub_cmd, size); +               cs->buf[cs->cdw++] = base >> 8;
> > +               cs->buf[cs->cdw++] = (detile << 31) | (array_mode << 27) |
> > +                                       (lbpp << 24) | (bank_h << 21) |
> > +                                       (bank_w << 18) | (mt_aspect <<
> > 16);
> > +               cs->buf[cs->cdw++] = (pitch_tile_max << 0) | ((height - 1)
> > << 16); +               cs->buf[cs->cdw++] = (slice_tile_max << 0) |
> > (pipe_config << 26); +               cs->buf[cs->cdw++] = (x << 0) | (z
> > << 18);
> > +               cs->buf[cs->cdw++] = (y << 0) | (tile_split << 21) |
> > (nbanks << 25) | (mt << 27); +               cs->buf[cs->cdw++] = addr &
> > 0xfffffffc;
> > +               cs->buf[cs->cdw++] = (addr >> 32UL) & 0xff;
> > +               copy_height -= cheight;
> > +               addr += cheight * pitch;
> > +               y += cheight;
> > +       }
> > +}
> > +
> > +static void si_dma_blit(struct pipe_context *ctx,
> > 
> >                         struct pipe_resource *dst,
> >                         unsigned dst_level,
> > 
> > -                       unsigned dst_x, unsigned dst_y, unsigned dst_z,
> > +                       unsigned dstx, unsigned dsty, unsigned dstz,
> > 
> >                         struct pipe_resource *src,
> >                         unsigned src_level,
> >                         const struct pipe_box *src_box)
> >  
> >  {
> > 
> > -       /* XXX implement this or share evergreen_dma_blit with r600g */
> > +       struct si_context *sctx = (struct si_context *)ctx;
> > +       struct r600_texture *rsrc = (struct r600_texture*)src;
> > +       struct r600_texture *rdst = (struct r600_texture*)dst;
> > +       unsigned dst_pitch, src_pitch, bpp, dst_mode, src_mode,
> > copy_height; +       unsigned src_w, dst_w;
> > +       unsigned src_x, src_y;
> > +       unsigned dst_x = dstx, dst_y = dsty, dst_z = dstz;
> > +
> > +       if (sctx->b.rings.dma.cs == NULL) {
> > +               goto fallback;
> > +       }
> > +
> > +       /* TODO: Implement DMA copy for CIK */
> > +       if (sctx->b.chip_class >= CIK) {
> > +               goto fallback;
> > +       }
> > +
> > +       if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
> > +               si_dma_copy(sctx, dst, src, dst_x, src_box->x,
> > src_box->width); +               return;
> > +       }
> > +
> > +       if (src->format != dst->format || src_box->depth > 1 ||
> > +           rdst->dirty_level_mask != 0) {
> > +               goto fallback;
> > +       }
> > +
> > +       if (rsrc->dirty_level_mask) {
> > +               ctx->flush_resource(ctx, src);
> > +       }
> > +
> > +       src_x = util_format_get_nblocksx(src->format, src_box->x);
> > +       dst_x = util_format_get_nblocksx(src->format, dst_x);
> > +       src_y = util_format_get_nblocksy(src->format, src_box->y);
> > +       dst_y = util_format_get_nblocksy(src->format, dst_y);
> > +
> > +       bpp = rdst->surface.bpe;
> > +       dst_pitch = rdst->surface.level[dst_level].pitch_bytes;
> > +       src_pitch = rsrc->surface.level[src_level].pitch_bytes;
> > +       src_w = rsrc->surface.level[src_level].npix_x;
> > +       dst_w = rdst->surface.level[dst_level].npix_x;
> > +       copy_height = src_box->height / rsrc->surface.blk_h;
> > +
> > +       dst_mode = rdst->surface.level[dst_level].mode;
> > +       src_mode = rsrc->surface.level[src_level].mode;
> > +       /* downcast linear aligned to linear to simplify test */
> > +       src_mode = src_mode == RADEON_SURF_MODE_LINEAR_ALIGNED ?
> > RADEON_SURF_MODE_LINEAR : src_mode; +       dst_mode = dst_mode ==
> > RADEON_SURF_MODE_LINEAR_ALIGNED ? RADEON_SURF_MODE_LINEAR : dst_mode; +
> > +       if (src_pitch != dst_pitch || src_box->x || dst_x || src_w !=
> > dst_w) { +               /* FIXME si can do partial blit */
> > +               goto fallback;
> > +       }
> > +       /* the x test here are currently useless (because we don't support
> > partial blit) +        * but keep them around so we don't forget about
> > those
> > +        */
> > +       if ((src_pitch & 0x7) || (src_box->x & 0x7) || (dst_x & 0x7) ||
> > (src_box->y & 0x7) || (dst_y & 0x7)) { +               goto fallback;
> > +       }
> > +
> > +       if (src_mode == dst_mode) {
> > +               uint64_t dst_offset, src_offset;
> > +               /* simple dma blit would do NOTE code here assume :
> > +                *   src_box.x/y == 0
> > +                *   dst_x/y == 0
> > +                *   dst_pitch == src_pitch
> > +                */
> > +               src_offset= rsrc->surface.level[src_level].offset;
> > +               src_offset += rsrc->surface.level[src_level].slice_size *
> > src_box->z; +               src_offset += src_y * src_pitch + src_x *
> > bpp;
> > +               dst_offset = rdst->surface.level[dst_level].offset;
> > +               dst_offset += rdst->surface.level[dst_level].slice_size *
> > dst_z; +               dst_offset += dst_y * dst_pitch + dst_x * bpp;
> > +               si_dma_copy(sctx, dst, src, dst_offset, src_offset,
> > +                           src_box->height * src_pitch);
> > +       } else {
> > +               si_dma_copy_tile(sctx, dst, dst_level, dst_x, dst_y,
> > dst_z,
> > +                                src, src_level, src_x, src_y, src_box->z,
> > +                                copy_height, dst_pitch, bpp);
> > +       }
> > +       return;
> > 
> > -       /* Fallback: */
> > -       ctx->resource_copy_region(ctx, dst, dst_level, dst_x, dst_y,
> > dst_z,
> > +fallback:
> > +       ctx->resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
> > 
> >                                   src, src_level, src_box);
> >  
> >  }
> > 
> > @@ -3021,7 +3274,7 @@ void si_init_state_functions(struct si_context
> > *sctx)
> > 
> >         sctx->b.b.texture_barrier = si_texture_barrier;
> >         sctx->b.b.set_polygon_stipple = si_set_polygon_stipple;
> > 
> > -       sctx->b.dma_copy = si_dma_copy;
> > +       sctx->b.dma_copy = si_dma_blit;
> > 
> >         sctx->b.set_occlusion_query_state = si_set_occlusion_query_state;
> >         sctx->b.need_gfx_cs_space = si_need_gfx_cs_space;
> > 
> > diff --git a/src/gallium/drivers/radeonsi/sid.h
> > b/src/gallium/drivers/radeonsi/sid.h index 876d0a3..0a5ef2f 100644
> > --- a/src/gallium/drivers/radeonsi/sid.h
> > +++ b/src/gallium/drivers/radeonsi/sid.h
> > @@ -8630,5 +8630,20 @@
> > 
> >  #define R_028E30_CB_COLOR7_CLEAR_WORD0                                 
> >  0x028E30 #define R_028E34_CB_COLOR7_CLEAR_WORD1                         
> >          0x028E34> 
> > +/* SI async DMA packets */
> > +#define SI_DMA_PACKET(cmd, sub_cmd, n) ((((cmd) & 0xF) << 28) |    \
> > +                                       (((sub_cmd) & 0xFF) << 20) |\
> > +                                       (((n) & 0xFFFFF) << 0))
> > +/* SI async DMA Packet types */
> > +#define    SI_DMA_PACKET_WRITE                     0x2
> > +#define    SI_DMA_PACKET_COPY                      0x3
> > +#define    SI_DMA_PACKET_INDIRECT_BUFFER           0x4
> > +#define    SI_DMA_PACKET_SEMAPHORE                 0x5
> > +#define    SI_DMA_PACKET_FENCE                     0x6
> > +#define    SI_DMA_PACKET_TRAP                      0x7
> > +#define    SI_DMA_PACKET_SRBM_WRITE                0x9
> > +#define    SI_DMA_PACKET_CONSTANT_FILL             0xd
> > +#define    SI_DMA_PACKET_NOP                       0xf
> > +
> > 
> >  #endif /* _SID_H */
> > 
> > --
> > 1.9.0
> > 
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev



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