Mesa (main): panfrost: Use first_tiler to check if tiling is needed

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Module: Mesa
Branch: main
Commit: 956d9613397acdfd90ff3c76bc540adf1783c7b5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=956d9613397acdfd90ff3c76bc540adf1783c7b5

Author: Icecream95 <ixn at disroot.org>
Date:   Mon May 31 23:20:33 2021 +1200

panfrost: Use first_tiler to check if tiling is needed

If there is a preload job needing tiling, but no other jobs, then
first_tiler will be set but not tiler_dep.

Fixes faults when two depth-only (stencil is reloaded) clears are done
in a row.

panfrost ffa30000.gpu: Unhandled Page fault in AS1 at VA 0x0000000044870000
               Reason: TODO
               raw fault status: 0x49002C1
               decoded fault status: SLAVE FAULT
               exception type 0xC1: TRANSLATION_FAULT_LEVEL1
               access type 0x2: READ
               source id 0x490
panfrost ffa30000.gpu: gpu sched timeout, js=0, config=0x3301, status=0x8, head=0x608a300, tail=0x608a300, sched_job=f5b0862d

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11104>

---

 src/panfrost/lib/pan_scoreboard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/panfrost/lib/pan_scoreboard.c b/src/panfrost/lib/pan_scoreboard.c
index 2a77798258f..3fb87c8079b 100644
--- a/src/panfrost/lib/pan_scoreboard.c
+++ b/src/panfrost/lib/pan_scoreboard.c
@@ -195,7 +195,7 @@ panfrost_scoreboard_initialize_tiler(struct pan_pool *pool,
                 mali_ptr polygon_list)
 {
         /* Check if we even need tiling */
-        if (pan_is_bifrost(pool->dev) || !scoreboard->tiler_dep)
+        if (pan_is_bifrost(pool->dev) || !scoreboard->first_tiler)
                 return;
 
         /* Okay, we do. Let's generate it. We'll need the job's polygon list