From: Wladimir J. van der Laan <laanwj@gmail.com>
Date: Tue, 14 Nov 2017 09:21:22 +0000 (+0100)
Subject: etnaviv: Flush TS cache before changing TS configuration
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=59d76e7ab67e61f0ea2a798025e89bbe5a28e393;p=mesa.git

etnaviv: Flush TS cache before changing TS configuration

This is to make sure that the TS is properly flushed to memory before
rendering to a new surface starts.

Signed-off-by: Wladimir J. van der Laan <laanwj@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
---

diff --git a/src/gallium/drivers/etnaviv/etnaviv_emit.c b/src/gallium/drivers/etnaviv/etnaviv_emit.c
index d313af60cf4..b6b06e3c1fa 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_emit.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_emit.c
@@ -322,6 +322,11 @@ etna_emit_state(struct etna_context *ctx)
       etna_stall(stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
    }
 
+   /* Flush TS cache before changing TS configuration. */
+   if (unlikely(dirty & ETNA_DIRTY_TS)) {
+      etna_set_state(stream, VIVS_TS_FLUSH_CACHE, VIVS_TS_FLUSH_CACHE_FLUSH);
+   }
+
    /* If MULTI_SAMPLE_CONFIG.MSAA_SAMPLES changed, clobber affected shader
     * state to make sure it is always rewritten. */
    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER))) {