[Intel-gfx] [PATCH] Make GTT dumper work on other 9XX chips

[Zhenyu Wang]

From 16096a2b7209622ddcb6bb6c0fbe6b6d60db59ea Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyu.z.wang at intel.com>
Date: Wed, 15 Oct 2008 13:57:07 +0800
Subject: [PATCH] Make GTT dump work on other 9XX chips

---
 src/reg_dumper/gtt.c |   26 ++++++++++++++++++++++++--
 1 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/reg_dumper/gtt.c b/src/reg_dumper/gtt.c
index cf9e37a..197036b 100644
--- a/src/reg_dumper/gtt.c
+++ b/src/reg_dumper/gtt.c
@@ -43,15 +43,37 @@ int main(int argc, char **argv)
 	I830Rec i830;
 	I830Ptr pI830 = &i830;
 	int gtt_base, start, aper_size;
+
 	intel_i830rec_init(pI830);
 
+	if (!IS_I9XX(pI830)) {
+		printf("Unsupported chipset for gtt dumper\n");
+		exit(1);
+	}
+
 	if (IS_G4X(pI830) || IS_GM45(pI830))
 		gtt_base = MB(2);
+	else if (IS_I965G(pI830))
+		gtt_base = KB(512);
 	else {
-		printf("Unsupported chipset for gtt dumper\n");
+		/* 915/945 chips has GTT range in bar 3*/
+		int err = 0;
+		gtt_base = 0;
+		pci_device_unmap_range (pI830->pci_dev, (void*)pI830->mmio,
+			pI830->pci_dev->regions[0].size);
+		err = pci_device_map_range (pI830->pci_dev,
+				pI830->pci_dev->regions[3].base_addr,
+				pI830->pci_dev->regions[3].size,
+				PCI_DEV_MAP_FLAG_WRITABLE,
+				(void **)&pI830->mmio);
+		if (err != 0) {
+			fprintf(stderr, "mapping GTT bar failed\n");
+			exit(1);
+		}
 	}
 
-	aper_size = MB(256);
+	aper_size = pI830->pci_dev->regions[2].size;
+
 	for (start = 0; start < aper_size; start += KB(4)) {
 		uint32_t start_pte = INGTT(start);
 		uint32_t end;
-- 
1.5.6.5

-- 
Open Source Technology Center, Intel ltd.

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