[Mesa-dev] [PATCH 2/4] radv: factor out eop event writing code.
Dave Airlie
airlied at gmail.com
Thu Jun 1 04:52:39 UTC 2017
On 1 June 2017 at 14:43, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> In prep for GFX9 refactor some of the eop event writing code
> out.
This triggers an assert, I have to bump some of the command stream size checks.
This does change behaviour by emitting 2 EOPs where we used to emit
one on CIK/VI,
but it's also what radeonsi seems to do now.
Dave.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
> src/amd/vulkan/radv_cmd_buffer.c | 22 ++++-------------
> src/amd/vulkan/radv_private.h | 9 +++++++
> src/amd/vulkan/radv_query.c | 53 ++++++++++++----------------------------
> src/amd/vulkan/si_cmd_buffer.c | 45 ++++++++++++++++++++++++++++++++++
> 4 files changed, 74 insertions(+), 55 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
> index c4d3d7b..43e1a93 100644
> --- a/src/amd/vulkan/radv_cmd_buffer.c
> +++ b/src/amd/vulkan/radv_cmd_buffer.c
> @@ -3233,23 +3233,11 @@ static void write_event(struct radv_cmd_buffer *cmd_buffer,
> /* TODO: this is overkill. Probably should figure something out from
> * the stage mask. */
>
> - if (cmd_buffer->device->physical_device->rad_info.chip_class == CIK) {
> - radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> - radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_BOTTOM_OF_PIPE_TS) |
> - EVENT_INDEX(5));
> - radeon_emit(cs, va);
> - radeon_emit(cs, (va >> 32) | EOP_DATA_SEL(1));
> - radeon_emit(cs, 2);
> - radeon_emit(cs, 0);
> - }
> -
> - radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> - radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_BOTTOM_OF_PIPE_TS) |
> - EVENT_INDEX(5));
> - radeon_emit(cs, va);
> - radeon_emit(cs, (va >> 32) | EOP_DATA_SEL(1));
> - radeon_emit(cs, value);
> - radeon_emit(cs, 0);
> + si_cs_emit_write_event_eop(cs,
> + cmd_buffer->device->physical_device->rad_info.chip_class == CIK,
> + false,
> + EVENT_TYPE_BOTTOM_OF_PIPE_TS, 0,
> + 1, va, 2, value);
>
> assert(cmd_buffer->cs->cdw <= cdw_max);
> }
> diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
> index 264b6c9..6798ee4 100644
> --- a/src/amd/vulkan/radv_private.h
> +++ b/src/amd/vulkan/radv_private.h
> @@ -838,6 +838,15 @@ void si_write_scissors(struct radeon_winsys_cs *cs, int first,
> uint32_t si_get_ia_multi_vgt_param(struct radv_cmd_buffer *cmd_buffer,
> bool instanced_draw, bool indirect_draw,
> uint32_t draw_vertex_count);
> +void si_cs_emit_write_event_eop(struct radeon_winsys_cs *cs,
> + enum chip_class chip_class,
> + bool is_mec,
> + unsigned event, unsigned event_flags,
> + unsigned data_sel,
> + uint64_t va,
> + uint32_t old_fence,
> + uint32_t new_fence);
> +
> void si_emit_wait_fence(struct radeon_winsys_cs *cs,
> uint64_t va, uint32_t ref,
> uint32_t mask);
> diff --git a/src/amd/vulkan/radv_query.c b/src/amd/vulkan/radv_query.c
> index 910eedd..708879d 100644
> --- a/src/amd/vulkan/radv_query.c
> +++ b/src/amd/vulkan/radv_query.c
> @@ -1153,13 +1153,11 @@ void radv_CmdEndQuery(
> radeon_emit(cs, va);
> radeon_emit(cs, va >> 32);
>
> - radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> - radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_BOTTOM_OF_PIPE_TS) |
> - EVENT_INDEX(5));
> - radeon_emit(cs, avail_va);
> - radeon_emit(cs, (avail_va >> 32) | EOP_DATA_SEL(1));
> - radeon_emit(cs, 1);
> - radeon_emit(cs, 0);
> + si_cs_emit_write_event_eop(cs,
> + cmd_buffer->device->physical_device->rad_info.chip_class,
> + false,
> + EVENT_TYPE_BOTTOM_OF_PIPE_TS, 0,
> + 1, avail_va, 0, 1);
> break;
> default:
> unreachable("ending unhandled query type");
> @@ -1204,37 +1202,16 @@ void radv_CmdWriteTimestamp(
> radeon_emit(cs, 1);
> break;
> default:
> - if (mec) {
> - radeon_emit(cs, PKT3(PKT3_RELEASE_MEM, 5, 0));
> - radeon_emit(cs, EVENT_TYPE(V_028A90_BOTTOM_OF_PIPE_TS) | EVENT_INDEX(5));
> - radeon_emit(cs, 3 << 29);
> - radeon_emit(cs, query_va);
> - radeon_emit(cs, query_va >> 32);
> - radeon_emit(cs, 0);
> - radeon_emit(cs, 0);
> -
> - radeon_emit(cs, PKT3(PKT3_RELEASE_MEM, 5, 0));
> - radeon_emit(cs, EVENT_TYPE(V_028A90_BOTTOM_OF_PIPE_TS) | EVENT_INDEX(5));
> - radeon_emit(cs, 1 << 29);
> - radeon_emit(cs, avail_va);
> - radeon_emit(cs, avail_va >> 32);
> - radeon_emit(cs, 1);
> - radeon_emit(cs, 0);
> - } else {
> - radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> - radeon_emit(cs, EVENT_TYPE(V_028A90_BOTTOM_OF_PIPE_TS) | EVENT_INDEX(5));
> - radeon_emit(cs, query_va);
> - radeon_emit(cs, (3 << 29) | ((query_va >> 32) & 0xFFFF));
> - radeon_emit(cs, 0);
> - radeon_emit(cs, 0);
> -
> - radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> - radeon_emit(cs, EVENT_TYPE(V_028A90_BOTTOM_OF_PIPE_TS) | EVENT_INDEX(5));
> - radeon_emit(cs, avail_va);
> - radeon_emit(cs, (1 << 29) | ((avail_va >> 32) & 0xFFFF));
> - radeon_emit(cs, 1);
> - radeon_emit(cs, 0);
> - }
> + si_cs_emit_write_event_eop(cs,
> + cmd_buffer->device->physical_device->rad_info.chip_class,
> + mec,
> + V_028A90_BOTTOM_OF_PIPE_TS, 0,
> + 3, query_va, 0, 0);
> + si_cs_emit_write_event_eop(cs,
> + cmd_buffer->device->physical_device->rad_info.chip_class,
> + mec,
> + V_028A90_BOTTOM_OF_PIPE_TS, 0,
> + 1, avail_va, 0, 1);
> break;
> }
>
> diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
> index 3bf1d39..69f57fd 100644
> --- a/src/amd/vulkan/si_cmd_buffer.c
> +++ b/src/amd/vulkan/si_cmd_buffer.c
> @@ -762,6 +762,51 @@ si_get_ia_multi_vgt_param(struct radv_cmd_buffer *cmd_buffer,
>
> }
>
> +void si_cs_emit_write_event_eop(struct radeon_winsys_cs *cs,
> + enum chip_class chip_class,
> + bool is_mec,
> + unsigned event, unsigned event_flags,
> + unsigned data_sel,
> + uint64_t va,
> + uint32_t old_fence,
> + uint32_t new_fence)
> +{
> + unsigned op = EVENT_TYPE(event) |
> + EVENT_INDEX(5) |
> + event_flags;
> +
> + if (is_mec) {
> + radeon_emit(cs, PKT3(PKT3_RELEASE_MEM, 5, 0));
> + radeon_emit(cs, op);
> + radeon_emit(cs, EOP_DATA_SEL(data_sel));
> + radeon_emit(cs, va); /* address lo */
> + radeon_emit(cs, va >> 32); /* address hi */
> + radeon_emit(cs, new_fence); /* immediate data lo */
> + radeon_emit(cs, 0); /* immediate data hi */
> + } else {
> + if (chip_class == CIK ||
> + chip_class == VI) {
> + /* Two EOP events are required to make all engines go idle
> + * (and optional cache flushes executed) before the timstamp
> + * is written.
> + */
> + radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> + radeon_emit(cs, op);
> + radeon_emit(cs, va);
> + radeon_emit(cs, ((va >> 32) & 0xffff) | EOP_DATA_SEL(data_sel));
> + radeon_emit(cs, old_fence); /* immediate data */
> + radeon_emit(cs, 0); /* unused */
> + }
> +
> + radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
> + radeon_emit(cs, op);
> + radeon_emit(cs, va);
> + radeon_emit(cs, ((va >> 32) & 0xffff) | EOP_DATA_SEL(data_sel));
> + radeon_emit(cs, new_fence); /* immediate data */
> + radeon_emit(cs, 0); /* unused */
> + }
> +}
> +
> void
> si_emit_wait_fence(struct radeon_winsys_cs *cs,
> uint64_t va, uint32_t ref,
> --
> 2.9.3
>
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