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iris: disable preemption for 3DPRIMITIVE during streamout

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This is required by Wa_16013994831.

Cc: mesa-stable
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19947>
This commit is contained in:
Tapani Pälli
2022-11-23 09:22:36 +02:00
parent ebc4893947
commit db6c374919
1 changed files with 40 additions and 2 deletions
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42
src/gallium/drivers/iris/iris_state.c
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@@ -1336,10 +1336,8 @@ struct iris_genx_state {
bool pma_fix_enabled;
#endif
#if GFX_VER == 9
/* Is object level preemption enabled? */
bool object_preemption;
#endif
#if GFX_VERx10 == 120
enum iris_depth_reg_mode depth_reg_mode;
@@ -5920,6 +5918,27 @@ genX(emit_depth_state_workarounds)(struct iris_context *ice,
#endif
}
static void
iris_preemption_streamout_wa(struct iris_context *ice,
struct iris_batch *batch,
bool enable)
{
#if GFX_VERx10 >= 120
iris_emit_reg(batch, GENX(CS_CHICKEN1), reg) {
reg.DisablePreemptionandHighPriorityPausingdueto3DPRIMITIVECommand = !enable;
reg.DisablePreemptionandHighPriorityPausingdueto3DPRIMITIVECommandMask = true;
}
/* Emit CS_STALL and 250 noops. */
iris_emit_pipe_control_flush(batch, "workaround: Wa_16013994831",
PIPE_CONTROL_CS_STALL);
for (unsigned i = 0; i < 250; i++)
iris_emit_cmd(batch, GENX(MI_NOOP), noop);
ice->state.genx->object_preemption = enable;
#endif
}
static void
iris_upload_dirty_render_state(struct iris_context *ice,
struct iris_batch *batch,
@@ -6423,6 +6442,14 @@ iris_upload_dirty_render_state(struct iris_context *ice,
if (dirty & IRIS_DIRTY_STREAMOUT) {
const struct iris_rasterizer_state *cso_rast = ice->state.cso_rast;
#if GFX_VERx10 >= 120
/* Wa_16013994831 - Disable preemption. */
if (batch->screen->devinfo->verx10 == 120 ||
intel_device_info_is_dg2(batch->screen->devinfo)) {
iris_preemption_streamout_wa(ice, batch, false);
}
#endif
uint32_t dynamic_sol[GENX(3DSTATE_STREAMOUT_length)];
iris_pack_command(GENX(3DSTATE_STREAMOUT), dynamic_sol, sol) {
sol.SOFunctionEnable = true;
@@ -6440,6 +6467,13 @@ iris_upload_dirty_render_state(struct iris_context *ice,
}
} else {
if (dirty & IRIS_DIRTY_STREAMOUT) {
#if GFX_VERx10 >= 120
/* Wa_16013994831 - Enable preemption. */
if (!ice->state.genx->object_preemption)
iris_preemption_streamout_wa(ice, batch, true);
#endif
iris_emit_cmd(batch, GENX(3DSTATE_STREAMOUT), sol);
}
}
@@ -8681,6 +8715,10 @@ genX(init_state)(struct iris_context *ice)
ice->state.genx = calloc(1, sizeof(struct iris_genx_state));
ice->draw.derived_params.drawid = -1;
#if GFX_VERx10 >= 120
ice->state.genx->object_preemption = true;
#endif
/* Make a 1x1x1 null surface for unbound textures */
void *null_surf_map =
upload_state(ice->state.surface_uploader, &ice->state.unbound_tex,