From: Pauli Nieminen <suokkos@gmail.com>
Date: Tue, 18 Aug 2009 15:51:38 +0000 (+0300)
Subject: libdrm_radeon: Optimize copy of table to cs buffer with specialized call.
X-Git-Tag: submit/1.0/20121108.012404~433
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c43b79b21929e9e54e13e892f7787e222e73f39;p=profile%2Fivi%2Flibdrm.git

libdrm_radeon: Optimize copy of table to cs buffer with specialized call.

Using this call in OUT_BATCH_TABLE reduces radeonEmitState cpu usage from
9% to 5% and emit_vpu goes from 7% to 1.5%. I did use calgrind to profile
gears for cpu hotspots with r500 card.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
---

diff --git a/libdrm/radeon/radeon_cs.h b/libdrm/radeon/radeon_cs.h
index 7efec7e..1117a85 100644
--- a/libdrm/radeon/radeon_cs.h
+++ b/libdrm/radeon/radeon_cs.h
@@ -201,6 +201,15 @@ static inline void radeon_cs_write_qword(struct radeon_cs *cs, uint64_t qword)
     }
 }
 
+static inline void radeon_cs_write_table(struct radeon_cs *cs, void *data, uint32_t size)
+{
+	memcpy(cs->packets + cs->cdw, data, size * 4);
+	cs->cdw += size;
+	if (cs->section) {
+		cs->section_cdw += size;
+	}
+}
+
 static inline void radeon_cs_space_set_flush(struct radeon_cs *cs, void (*fn)(void *), void *data)
 {
     cs->space_flush_fn = fn;