Mesa (staging/19.3): Revert "freedreno/ir3: enable pre-fs texture fetch for a6xx"

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Module: Mesa
Branch: staging/19.3
Commit: 966c62ebe5023f3c313dd60a3d6d882c401aa847
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=966c62ebe5023f3c313dd60a3d6d882c401aa847

Author: Rob Clark <robdclark at chromium.org>
Date:   Mon Nov 18 09:42:03 2019 -0800

Revert "freedreno/ir3: enable pre-fs texture fetch for a6xx"

This reverts commit f30c256ec05618fb40dccbd94a3434b2f63db478.

See 088a2a4cab031f1505d531698109f330f94f3072

Fixes: f30c256ec05 ("freedreno/ir3: enable pre-fs texture fetch for a6xx")
Signed-off-by: Rob Clark <robdclark at chromium.org>

---

 src/freedreno/ir3/ir3_context.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/freedreno/ir3/ir3_context.c b/src/freedreno/ir3/ir3_context.c
index bdcf816bd12..f09fc9253c9 100644
--- a/src/freedreno/ir3/ir3_context.c
+++ b/src/freedreno/ir3/ir3_context.c
@@ -96,12 +96,6 @@ ir3_context_init(struct ir3_compiler *compiler,
 		NIR_PASS_V(ctx->s, nir_opt_constant_folding);
 	}
 
-	/* Enable the texture pre-fetch feature only a4xx onwards.  But
-	 * only enable it on generations that have been tested:
-	 */
-	if ((so->type == MESA_SHADER_FRAGMENT) && (compiler->gpu_id >= 600))
-		NIR_PASS_V(ctx->s, ir3_nir_lower_tex_prefetch);
-
 	NIR_PASS_V(ctx->s, nir_convert_from_ssa, true);
 
 	if (shader_debug_enabled(so->type)) {