[Mesa-dev] [PATCH 1/4] r600g: avoid redundant DB registerupdates

Marc Dietrich marvin24 at gmx.de
Fri Apr 28 07:57:17 UTC 2017


Hi Constantine,


Am Donnerstag, 27. April 2017, 21:04:37 CEST schrieb Constantine Kharlamov:
> Please, could you try this patch. The change is: I'm setting dirty_zsbuf in
> r600_bind_blend_state_internal() as well. It was the difference between
> radeonsi and r600 for CB updates, and my guess is, it might be relevant to
> DB ones as well.

ok, crash is gone and I get 2-3 fps more :-)

But some rendering glitches and:

radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
radeon 0000:01:05.0: r600_cs_track_validate_db:696 htile surface too small 
20480 for 262144 (256 256)
radeon 0000:01:05.0: r600_packet3_check:1724 invalid cmd stream
[drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !


Marc

> ---
>  src/gallium/drivers/r600/evergreen_state.c   | 76
> +++++++++++++++------------- src/gallium/drivers/r600/r600_blit.c         |
>  1 +
>  src/gallium/drivers/r600/r600_hw_context.c   |  1 +
>  src/gallium/drivers/r600/r600_pipe.h         |  1 +
>  src/gallium/drivers/r600/r600_state.c        | 52 ++++++++++---------
>  src/gallium/drivers/r600/r600_state_common.c |  2 +
>  6 files changed, 73 insertions(+), 60 deletions(-)
> 
> diff --git a/src/gallium/drivers/r600/evergreen_state.c
> b/src/gallium/drivers/r600/evergreen_state.c index 19ad504097..7d84e92250
> 100644
> --- a/src/gallium/drivers/r600/evergreen_state.c
> +++ b/src/gallium/drivers/r600/evergreen_state.c
> @@ -1426,6 +1426,7 @@ static void evergreen_set_framebuffer_state(struct
> pipe_context *ctx, R600_CONTEXT_FLUSH_AND_INV_DB_META |
>  			 R600_CONTEXT_INV_TEX_CACHE;
> 
> +	rctx->framebuffer.dirty_zsbuf |= rctx->framebuffer.state.zsbuf !=
> state->zsbuf; util_copy_framebuffer_state(&rctx->framebuffer.state, state);
> 
>  	/* Colorbuffers. */
> @@ -1746,45 +1747,47 @@ static void evergreen_emit_framebuffer_state(struct
> r600_context *rctx, struct r radeon_set_context_reg(cs,
> R_028E50_CB_COLOR8_INFO + (i - 8) * 0x1C, 0);
> 
>  	/* ZS buffer. */
> -	if (state->zsbuf) {
> -		struct r600_surface *zb = (struct r600_surface*)state->zsbuf;
> -		unsigned reloc = radeon_add_to_buffer_list(&rctx->b,
> -						       &rctx->b.gfx,
> -						       (struct r600_resource*)state->zsbuf->texture,
> -						       RADEON_USAGE_READWRITE,
> -						       zb->base.texture->nr_samples > 1 ?
> -							       RADEON_PRIO_DEPTH_BUFFER_MSAA :
> -							       RADEON_PRIO_DEPTH_BUFFER);
> -
> -		radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW, zb->db_depth_view);
> -
> -		radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 8);
> -		radeon_emit(cs, zb->db_z_info);		/* R_028040_DB_Z_INFO */
> -		radeon_emit(cs, zb->db_stencil_info);	/* R_028044_DB_STENCIL_INFO */
> -		radeon_emit(cs, zb->db_depth_base);	/* R_028048_DB_Z_READ_BASE */
> -		radeon_emit(cs, zb->db_stencil_base);	/* R_02804C_DB_STENCIL_READ_BASE 
*/
> -		radeon_emit(cs, zb->db_depth_base);	/* R_028050_DB_Z_WRITE_BASE */
> -		radeon_emit(cs, zb->db_stencil_base);	/* R_028054_DB_STENCIL_WRITE_BASE
> */ -		radeon_emit(cs, zb->db_depth_size);	/* R_028058_DB_DEPTH_SIZE */
> -		radeon_emit(cs, zb->db_depth_slice);	/* R_02805C_DB_DEPTH_SLICE */ -
> -		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /* R_028048_DB_Z_READ_BASE */
> -		radeon_emit(cs, reloc);
> +	if (rctx->framebuffer.dirty_zsbuf) {
> +		if (state->zsbuf) {
> +			struct r600_surface *zb = (struct r600_surface*)state->zsbuf;
> +			unsigned reloc = radeon_add_to_buffer_list(&rctx->b,
> +								   &rctx->b.gfx,
> +								   (struct r600_resource*)state->zsbuf->texture,
> +								   RADEON_USAGE_READWRITE,
> +								   zb->base.texture->nr_samples > 1 ?
> +								   RADEON_PRIO_DEPTH_BUFFER_MSAA :
> +								   RADEON_PRIO_DEPTH_BUFFER);
> +
> +			radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW, zb-
>db_depth_view);
> +
> +			radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 8);
> +			radeon_emit(cs, zb->db_z_info);		/* R_028040_DB_Z_INFO */
> +			radeon_emit(cs, zb->db_stencil_info);	/* R_028044_DB_STENCIL_INFO */
> +			radeon_emit(cs, zb->db_depth_base);	/* R_028048_DB_Z_READ_BASE */
> +			radeon_emit(cs, zb->db_stencil_base);	/* 
R_02804C_DB_STENCIL_READ_BASE
> */ +			radeon_emit(cs, zb->db_depth_base);	/* R_028050_DB_Z_WRITE_BASE 
*/
> +			radeon_emit(cs, zb->db_stencil_base);	/* 
R_028054_DB_STENCIL_WRITE_BASE
> */ +			radeon_emit(cs, zb->db_depth_size);	/* R_028058_DB_DEPTH_SIZE 
*/
> +			radeon_emit(cs, zb->db_depth_slice);	/* R_02805C_DB_DEPTH_SLICE */ +
> +			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /* R_028048_DB_Z_READ_BASE */
> +			radeon_emit(cs, reloc);
> 
> -		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /* R_02804C_DB_STENCIL_READ_BASE
> */ -		radeon_emit(cs, reloc);
> +			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /* 
R_02804C_DB_STENCIL_READ_BASE
> */ +			radeon_emit(cs, reloc);
> 
> -		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /* R_028050_DB_Z_WRITE_BASE */
> -		radeon_emit(cs, reloc);
> +			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /* R_028050_DB_Z_WRITE_BASE */
> +			radeon_emit(cs, reloc);
> 
> -		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /* R_028054_DB_STENCIL_WRITE_BASE
> */ -		radeon_emit(cs, reloc);
> -	} else if (rctx->screen->b.info.drm_minor >= 18) {
> -		/* DRM 2.6.18 allows the INVALID format to disable depth/stencil.
> -		 * Older kernels are out of luck. */
> -		radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 2);
> -		radeon_emit(cs, S_028040_FORMAT(V_028040_Z_INVALID)); /*
> R_028040_DB_Z_INFO */ -		radeon_emit(cs,
> S_028044_FORMAT(V_028044_STENCIL_INVALID)); /* R_028044_DB_STENCIL_INFO */
> +			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0)); /*
> R_028054_DB_STENCIL_WRITE_BASE */ +			radeon_emit(cs, reloc);
> +		} else if (rctx->screen->b.info.drm_minor >= 18) {
> +			/* DRM 2.6.18 allows the INVALID format to disable depth/stencil.
> +			 * Older kernels are out of luck. */
> +			radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 2);
> +			radeon_emit(cs, S_028040_FORMAT(V_028040_Z_INVALID)); /*
> R_028040_DB_Z_INFO */ +			radeon_emit(cs,
> S_028044_FORMAT(V_028044_STENCIL_INVALID)); /* R_028044_DB_STENCIL_INFO */
> +		}
>  	}
> 
>  	/* Framebuffer dimensions. */
> @@ -1806,6 +1809,7 @@ static void evergreen_emit_framebuffer_state(struct
> r600_context *rctx, struct r cayman_emit_msaa_config(cs,
> rctx->framebuffer.nr_samples,
>  					rctx->ps_iter_samples, 0, sc_mode_cntl_1);
>  	}
> +	rctx->framebuffer.dirty_zsbuf = false;
>  }
> 
>  static void evergreen_emit_polygon_offset(struct r600_context *rctx, struct
> r600_atom *a) diff --git a/src/gallium/drivers/r600/r600_blit.c
> b/src/gallium/drivers/r600/r600_blit.c index c52492e8c2..de87ed8650 100644
> --- a/src/gallium/drivers/r600/r600_blit.c
> +++ b/src/gallium/drivers/r600/r600_blit.c
> @@ -452,6 +452,7 @@ static void r600_clear(struct pipe_context *ctx,
> unsigned buffers, r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
>  			}
>  			rctx->db_misc_state.htile_clear = true;
> +			rctx->framebuffer.dirty_zsbuf = true;
>  			r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
>  		}
>  	}
> diff --git a/src/gallium/drivers/r600/r600_hw_context.c
> b/src/gallium/drivers/r600/r600_hw_context.c index 4511ce0c01..c85e346307
> 100644
> --- a/src/gallium/drivers/r600/r600_hw_context.c
> +++ b/src/gallium/drivers/r600/r600_hw_context.c
> @@ -374,6 +374,7 @@ void r600_begin_new_cs(struct r600_context *ctx)
> 
>  	assert(!ctx->b.gfx.cs->prev_dw);
>  	ctx->b.initial_gfx_cs_size = ctx->b.gfx.cs->current.cdw;
> +	ctx->framebuffer.dirty_zsbuf = true;
>  }
> 
>  void r600_emit_pfp_sync_me(struct r600_context *rctx)
> diff --git a/src/gallium/drivers/r600/r600_pipe.h
> b/src/gallium/drivers/r600/r600_pipe.h index e1715e8628..aeba1f2635 100644
> --- a/src/gallium/drivers/r600/r600_pipe.h
> +++ b/src/gallium/drivers/r600/r600_pipe.h
> @@ -190,6 +190,7 @@ struct r600_framebuffer {
>  	bool is_msaa_resolve;
>  	bool dual_src_blend;
>  	bool do_update_surf_dirtiness;
> +	bool dirty_zsbuf;
>  };
> 
>  struct r600_sample_mask {
> diff --git a/src/gallium/drivers/r600/r600_state.c
> b/src/gallium/drivers/r600/r600_state.c index fc93eb02ad..a80156bab2 100644
> --- a/src/gallium/drivers/r600/r600_state.c
> +++ b/src/gallium/drivers/r600/r600_state.c
> @@ -1096,6 +1096,7 @@ static void r600_set_framebuffer_state(struct
> pipe_context *ctx, /* Set the new state. */
>  	util_copy_framebuffer_state(&rctx->framebuffer.state, state);
> 
> +	rctx->framebuffer.dirty_zsbuf |= rctx->framebuffer.state.zsbuf !=
> state->zsbuf; rctx->framebuffer.export_16bpc = state->nr_cbufs != 0;
>  	rctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] &&
>  			       util_format_is_pure_integer(state->cbufs[0]->format);
> @@ -1430,33 +1431,35 @@ static void r600_emit_framebuffer_state(struct
> r600_context *rctx, struct r600_a }
> 
>  	/* Zbuffer. */
> -	if (state->zsbuf) {
> -		struct r600_surface *surf = (struct r600_surface*)state->zsbuf;
> -		unsigned reloc = radeon_add_to_buffer_list(&rctx->b,
> -						       &rctx->b.gfx,
> -						       (struct r600_resource*)state->zsbuf->texture,
> -						       RADEON_USAGE_READWRITE,
> -						       surf->base.texture->nr_samples > 1 ?
> -							       RADEON_PRIO_DEPTH_BUFFER_MSAA :
> -							       RADEON_PRIO_DEPTH_BUFFER);
> -
> -		radeon_set_context_reg_seq(cs, R_028000_DB_DEPTH_SIZE, 2);
> -		radeon_emit(cs, surf->db_depth_size); /* R_028000_DB_DEPTH_SIZE */
> -		radeon_emit(cs, surf->db_depth_view); /* R_028004_DB_DEPTH_VIEW */
> -		radeon_set_context_reg_seq(cs, R_02800C_DB_DEPTH_BASE, 2);
> -		radeon_emit(cs, surf->db_depth_base); /* R_02800C_DB_DEPTH_BASE */
> -		radeon_emit(cs, surf->db_depth_info); /* R_028010_DB_DEPTH_INFO */
> +	if (rctx->framebuffer.dirty_zsbuf) {
> +		if (state->zsbuf) {
> +			struct r600_surface *surf = (struct r600_surface*)state->zsbuf;
> +			unsigned reloc = radeon_add_to_buffer_list(&rctx->b,
> +								   &rctx->b.gfx,
> +								   (struct r600_resource*)state->zsbuf->texture,
> +								   RADEON_USAGE_READWRITE,
> +								   surf->base.texture->nr_samples > 1 ?
> +								   RADEON_PRIO_DEPTH_BUFFER_MSAA :
> +								   RADEON_PRIO_DEPTH_BUFFER);
> +
> +			radeon_set_context_reg_seq(cs, R_028000_DB_DEPTH_SIZE, 2);
> +			radeon_emit(cs, surf->db_depth_size); /* R_028000_DB_DEPTH_SIZE */
> +			radeon_emit(cs, surf->db_depth_view); /* R_028004_DB_DEPTH_VIEW */
> +			radeon_set_context_reg_seq(cs, R_02800C_DB_DEPTH_BASE, 2);
> +			radeon_emit(cs, surf->db_depth_base); /* R_02800C_DB_DEPTH_BASE */
> +			radeon_emit(cs, surf->db_depth_info); /* R_028010_DB_DEPTH_INFO */
> 
> -		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
> -		radeon_emit(cs, reloc);
> +			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
> +			radeon_emit(cs, reloc);
> 
> -		radeon_set_context_reg(cs, R_028D34_DB_PREFETCH_LIMIT,
> surf->db_prefetch_limit); +			radeon_set_context_reg(cs,
> R_028D34_DB_PREFETCH_LIMIT, surf->db_prefetch_limit);
> 
> -		sbu |= SURFACE_BASE_UPDATE_DEPTH;
> -	} else if (rctx->screen->b.info.drm_minor >= 18) {
> -		/* DRM 2.6.18 allows the INVALID format to disable depth/stencil.
> -		 * Older kernels are out of luck. */
> -		radeon_set_context_reg(cs, R_028010_DB_DEPTH_INFO,
> S_028010_FORMAT(V_028010_DEPTH_INVALID)); +			sbu |=
> SURFACE_BASE_UPDATE_DEPTH;
> +		} else if (rctx->screen->b.info.drm_minor >= 18) {
> +			/* DRM 2.6.18 allows the INVALID format to disable depth/stencil.
> +			 * Older kernels are out of luck. */
> +			radeon_set_context_reg(cs, R_028010_DB_DEPTH_INFO,
> S_028010_FORMAT(V_028010_DEPTH_INVALID)); +		}
>  	}
> 
>  	/* SURFACE_BASE_UPDATE */
> @@ -1484,6 +1487,7 @@ static void r600_emit_framebuffer_state(struct
> r600_context *rctx, struct r600_a }
> 
>  	r600_emit_msaa_state(rctx, rctx->framebuffer.nr_samples);
> +	rctx->framebuffer.dirty_zsbuf = false;
>  }
> 
>  static void r600_set_min_samples(struct pipe_context *ctx, unsigned
> min_samples) diff --git a/src/gallium/drivers/r600/r600_state_common.c
> b/src/gallium/drivers/r600/r600_state_common.c index 7b52be36cd..78d2cab705
> 100644
> --- a/src/gallium/drivers/r600/r600_state_common.c
> +++ b/src/gallium/drivers/r600/r600_state_common.c
> @@ -187,6 +187,7 @@ static void r600_bind_blend_state_internal(struct
> r600_context *rctx, }
>  	if (update_cb) {
>  		r600_mark_atom_dirty(rctx, &rctx->cb_misc_state.atom);
> +		rctx->framebuffer.dirty_zsbuf = true;
>  	}
>  	if (rctx->framebuffer.dual_src_blend != blend->dual_src_blend) {
>  		rctx->framebuffer.dual_src_blend = blend->dual_src_blend;
> @@ -1733,6 +1734,7 @@ static void r600_draw_vbo(struct pipe_context *ctx,
> const struct pipe_draw_info if (unlikely(dirty_tex_counter !=
> rctx->b.last_dirty_tex_counter)) { rctx->b.last_dirty_tex_counter =
> dirty_tex_counter;
>  		r600_mark_atom_dirty(rctx, &rctx->framebuffer.atom);
> +		rctx->framebuffer.dirty_zsbuf = true;
>  		rctx->framebuffer.do_update_surf_dirtiness = true;
>  	}

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