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From: Daniel Vetter <daniel.vetter@ffwll.ch>
To: intel-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: [PATCH 17/23] intel-gtt: consolidate the gtt ioremap calls
Date: Wed,  1 Sep 2010 22:30:04 +0200	[thread overview]
Message-ID: <1283373010-1314-18-git-send-email-daniel.vetter@ffwll.ch> (raw)
In-Reply-To: <1283373010-1314-1-git-send-email-daniel.vetter@ffwll.ch>

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 drivers/char/agp/intel-gtt.c |   70 +++++++++++++++--------------------------
 1 files changed, 26 insertions(+), 44 deletions(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index f4308d3..0ebb76a 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -73,6 +73,7 @@ static struct _intel_private {
 	struct pci_dev *pcidev;	/* device one */
 	struct pci_dev *bridge_dev;
 	u8 __iomem *registers;
+	phys_addr_t gtt_bus_addr;
 	u32 __iomem *gtt;		/* I915G */
 	int num_dcache_entries;
 	union {
@@ -769,10 +770,27 @@ static unsigned int intel_gtt_mappable_entries(void)
 
 static int intel_gtt_init(void)
 {
+	u32 gtt_map_size;
+
+	intel_private.base.gtt_mappable_entries = intel_gtt_mappable_entries();
+	intel_private.base.gtt_total_entries = intel_gtt_total_entries();
+
+	gtt_map_size = intel_private.base.gtt_total_entries * 4;
+
+	intel_private.gtt = ioremap(intel_private.gtt_bus_addr,
+				    gtt_map_size);
+	if (!intel_private.gtt) {
+		iounmap(intel_private.registers);
+		return -ENOMEM;
+	}
+
+	global_cache_flush();   /* FIXME: ? */
+
 	/* we have to call this as early as possible after the MMIO base address is known */
 	intel_private.base.gtt_stolen_entries = intel_gtt_stolen_entries();
 	if (intel_private.base.gtt_stolen_entries == 0) {
 		iounmap(intel_private.registers);
+		iounmap(intel_private.gtt);
 		return -ENOMEM;
 	}
 
@@ -853,7 +871,6 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge)
 	int page_order, ret;
 	struct aper_size_info_fixed *size;
 	int num_entries;
-	int gtt_map_size;
 	u32 temp;
 
 	size = agp_bridge->current_size;
@@ -868,17 +885,8 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge)
 	if (!intel_private.registers)
 		return -ENOMEM;
 
-	intel_private.base.gtt_total_entries = intel_gtt_total_entries();
-	gtt_map_size = intel_private.base.gtt_total_entries * 4;
-
-	intel_private.gtt = ioremap(temp + I810_PTE_BASE, gtt_map_size);
-	if (!intel_private.gtt) {
-		iounmap(intel_private.registers);
-		return -ENOMEM;
-	}
-
+	intel_private.gtt_bus_addr = temp + I810_PTE_BASE;
 	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-	global_cache_flush();	/* FIXME: ?? */
 
 	ret = intel_gtt_init();
 	if (ret != 0)
@@ -1247,7 +1255,6 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
 	struct aper_size_info_fixed *size;
 	int num_entries;
 	u32 temp, temp2;
-	int gtt_map_size;
 
 	size = agp_bridge->current_size;
 	page_order = size->page_order;
@@ -1263,23 +1270,12 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
 	if (!intel_private.registers)
 		return -ENOMEM;
 
-	intel_private.base.gtt_total_entries = intel_gtt_total_entries();
-	gtt_map_size = intel_private.base.gtt_total_entries * 4;
-
-	intel_private.gtt = ioremap(temp2, gtt_map_size);
-	if (!intel_private.gtt) {
-		iounmap(intel_private.registers);
-		return -ENOMEM;
-	}
-
+	intel_private.gtt_bus_addr = temp2;
 	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-	global_cache_flush();	/* FIXME: ? */
 
 	ret = intel_gtt_init();
-	if (ret != 0) {
-		iounmap(intel_private.gtt);
+	if (ret != 0)
 		return ret;
-	}
 
 	agp_bridge->gatt_table = NULL;
 
@@ -1317,7 +1313,7 @@ static unsigned long intel_gen6_mask_memory(struct agp_bridge_data *bridge,
 	return addr | bridge->driver->masks[type].mask;
 }
 
-static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
+static void intel_i965_get_gtt_range(int *gtt_offset)
 {
 	switch (INTEL_GTT_GEN) {
 	case 5:
@@ -1329,8 +1325,6 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
 		*gtt_offset =  KB(512);
 		break;
 	}
-
-	*gtt_size = intel_private.base.gtt_total_entries * 4;
 }
 
 /* The intel i965 automatically initializes the agp aperture during POST.
@@ -1342,7 +1336,7 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
 	struct aper_size_info_fixed *size;
 	int num_entries;
 	u32 temp;
-	int gtt_offset, gtt_size;
+	int gtt_offset;
 
 	size = agp_bridge->current_size;
 	page_order = size->page_order;
@@ -1357,25 +1351,13 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
 	if (!intel_private.registers) 
 		return -ENOMEM;
 
-	intel_private.base.gtt_total_entries = intel_gtt_total_entries();
-
-	intel_i965_get_gtt_range(&gtt_offset, &gtt_size);
-
-	intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size);
-
-	if (!intel_private.gtt) {
-		iounmap(intel_private.gtt);
-		return -ENOMEM;
-	}
-
+	intel_i965_get_gtt_range(&gtt_offset);
+	intel_private.gtt_bus_addr = temp + gtt_offset;
 	temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
-	global_cache_flush();   /* FIXME: ? */
 
 	ret = intel_gtt_init();
-	if (ret != 0) {
-		iounmap(intel_private.gtt);
+	if (ret != 0)
 		return ret;
-	}
 
 	agp_bridge->gatt_table = NULL;
 
-- 
1.7.2.2

  parent reply	other threads:[~2010-09-01 20:28 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-01 20:29 [PATCH 00/23] intel gtt rework, part 1: initialization Daniel Vetter
2010-09-01 20:29 ` [PATCH 01/23] agp/intel: split out gmch/gtt probe, part 2 Daniel Vetter
2010-09-01 20:29 ` [PATCH 02/23] agp/intel: make intel-gtt.c into a real source file Daniel Vetter
2010-09-01 20:29 ` [PATCH 03/23] intel-gtt: introduce drm/intel-gtt.h Daniel Vetter
2010-09-01 20:29 ` [PATCH 04/23] intel-gtt: store a local pointer to the bridge pci dev Daniel Vetter
2010-09-01 20:29 ` [PATCH 05/23] intel-gtt: s/intel_i830_init_gtt_entries/intel_gtt_stolen_entries Daniel Vetter
2010-09-01 20:29 ` [PATCH 06/23] intel-gtt: new function intel_gtt_mappable_entries Daniel Vetter
2010-09-01 20:29 ` [PATCH 07/23] intel-gtt: generic intel_fake_agp_fetch_size Daniel Vetter
2010-09-01 20:29 ` [PATCH 08/23] intel-gtt: sane variable names for intel_gtt_stolen_entries Daniel Vetter
2010-09-01 20:29 ` [PATCH 09/23] intel-gtt: drop unnecessary conditions in intel_gtt_stolen_entries Daniel Vetter
2010-09-01 20:29 ` [PATCH 10/23] intel-gtt: adjust overhead entries " Daniel Vetter
2010-09-01 20:29 ` [PATCH 11/23] intel-gtt: s/i8[13]0/fake_agp for generic functions Daniel Vetter
2010-09-01 20:29 ` [PATCH 12/23] intel-gtt: fix gtt_total_entries detection Daniel Vetter
2010-09-01 20:30 ` [PATCH 13/23] intel-gtt: introduce intel_gtt_driver Daniel Vetter
2010-09-01 20:30 ` [PATCH 14/23] intel-gtt: i915: use detected gtt size for mapping Daniel Vetter
2010-09-01 20:30 ` [PATCH 15/23] intel-gtt: i965: " Daniel Vetter
2010-09-01 20:30 ` [PATCH 16/23] intel-gtt: i830: adjust ioremap of regs and gtt to i9xx Daniel Vetter
2010-09-01 20:30 ` Daniel Vetter [this message]
2010-09-01 20:30 ` [PATCH 18/23] intel-gtt: consolidate i830 setup Daniel Vetter
2010-09-01 20:30 ` [PATCH 19/23] intel-gtt: consolidate i9xx setup Daniel Vetter
2010-09-01 20:30 ` [PATCH 20/23] intel-gtt: call init_gtt_init in probe function Daniel Vetter
2010-09-01 20:30 ` [PATCH 21/23] intel-gtt: use chipset generation number some more Daniel Vetter
2010-09-01 20:30 ` [PATCH 22/23] drm/i915: drop prealloc_start from i915_dma.c gtt init Daniel Vetter
2010-09-01 20:30 ` [PATCH 23/23] drm/i915: die, i915_probe_agp, die Daniel Vetter
2010-09-05 16:10   ` Chris Wilson
2010-09-02  1:19 ` [PATCH 00/23] intel gtt rework, part 1: initialization Dave Airlie
2010-09-02 11:20 ` Chris Wilson

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