From: Marek Olšák <maraeo@gmail.com>
Date: Thu, 21 Feb 2013 15:53:32 +0000 (+0100)
Subject: r600g: fix random corruption with CP DMA in TF2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aac81387447152b5bda99150414d636a003adc56;p=mesa.git

r600g: fix random corruption with CP DMA in TF2

NOTE: This is a candidate for the 9.1 branch.
---

diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c
index ebcd682bc81..f6dc418746d 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -1159,6 +1159,9 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
 		src_offset += byte_count;
 		dst_offset += byte_count;
 	}
+
+	/* Invalidate the read caches. */
+	rctx->flags |= R600_CONTEXT_INVAL_READ_CACHES;
 }
 
 void r600_need_dma_space(struct r600_context *ctx, unsigned num_dw)