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[Bug,99850] Tessellation bug on Carrizo

Message ID bug-99850-502-EZwZerPrFk@http.bugs.freedesktop.org/ (mailing list archive)
State New, archived
Headers show

Commit Message

bugzilla-daemon@freedesktop.org Feb. 22, 2017, 5:15 p.m. UTC 
https://bugs.freedesktop.org/show_bug.cgi?id=99850

--- Comment #6 from Marek Olšák <maraeo@gmail.com> ---
You can try this diff:

        unsigned max_offchip_buffers = max_offchip_buffers_per_se *
                                       sctx->screen->b.info.max_se;
diff mbox

Patch

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c
b/src/gallium/drivers/radeonsi/si_state_shaders.c
index f615aa8..750cdd6 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -2312,7 +2312,9 @@  static bool si_update_spi_tmpring_size(struct si_context
*sctx)

 static void si_init_tess_factor_ring(struct si_context *sctx)
 {
-       bool double_offchip_buffers = sctx->b.chip_class >= CIK;
+       bool double_offchip_buffers = sctx->b.chip_class >= CIK &&
+                                     sctx->b.family != CHIP_CARRIZO &&
+                                     sctx->b.family != CHIP_STONEY;
        unsigned max_offchip_buffers_per_se = double_offchip_buffers ? 128 :
64;