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-rw-r--r--src/gallium/drivers/panfrost/pan_fragment.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/pan_fragment.c b/src/gallium/drivers/panfrost/pan_fragment.c
index d6b8afdc6b9..5dbca021141 100644
--- a/src/gallium/drivers/panfrost/pan_fragment.c
+++ b/src/gallium/drivers/panfrost/pan_fragment.c
@@ -69,6 +69,26 @@ panfrost_fragment_job(struct panfrost_context *ctx, bool has_draws)
struct panfrost_job *job = panfrost_get_job_for_fbo(ctx);
+ /* The passed tile coords can be out of range in some cases, so we need
+ * to clamp them to the framebuffer size to avoid a TILE_RANGE_FAULT.
+ * Theoretically we also need to clamp the coordinates positive, but we
+ * avoid that edge case as all four values are unsigned. Also,
+ * theoretically we could clamp the minima, but if that has to happen
+ * the asserts would fail anyway (since the maxima would get clamped
+ * and then be smaller than the minima). An edge case of sorts occurs
+ * when no scissors are added to draw, so by default min=~0 and max=0.
+ * But that can't happen if any actual drawing occurs (beyond a
+ * wallpaper reload), so this is again irrelevant in practice. */
+
+ job->maxx = MIN2(job->maxx, fb->width);
+ job->maxy = MIN2(job->maxy, fb->height);
+
+ /* Rendering region must be at least 1x1; otherwise, there is nothing
+ * to do and the whole job chain should have been discarded. */
+
+ assert(job->maxx > job->minx);
+ assert(job->maxy > job->miny);
+
struct mali_payload_fragment payload = {
.min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(job->minx, job->miny),
.max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(job->maxx, job->maxy),