[PATCH] drm/radeon/kms/r600: clamp vram to aperture size

[Alex Deucher]

>From 49f59e9769262fe986b78093db14a3d48ea46e57 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeuc...@gmail.com>
Date: Fri, 25 Sep 2009 10:06:39 -0400
Subject: [PATCH] drm/radeon/kms/r600: clamp vram to aperture size

r6xx and r7xx was missing this.  We don't support
non-CPU accessible vram yet.

Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
 drivers/gpu/drm/radeon/r600.c  |    7 +++++++
 drivers/gpu/drm/radeon/rv770.c |    7 +++++++
 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 5f42fad..c7233ad 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -380,6 +380,13 @@ int r600_mc_init(struct radeon_device *rdev)
        /* Setup GPU memory space */
        rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
        rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+
+       if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+               rdev->mc.mc_vram_size = rdev->mc.aper_size;
+
+       if (rdev->mc.real_vram_size > rdev->mc.aper_size)
+               rdev->mc.real_vram_size = rdev->mc.aper_size;
+
        if (rdev->flags & RADEON_IS_AGP) {
                r = radeon_agp_init(rdev);
                if (r)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b574c73..efca509 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -801,6 +801,13 @@ int rv770_mc_init(struct radeon_device *rdev)
        /* Setup GPU memory space */
        rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
        rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+
+       if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+               rdev->mc.mc_vram_size = rdev->mc.aper_size;
+
+       if (rdev->mc.real_vram_size > rdev->mc.aper_size)
+               rdev->mc.real_vram_size = rdev->mc.aper_size;
+
        if (rdev->flags & RADEON_IS_AGP) {
                r = radeon_agp_init(rdev);
                if (r)
-- 
1.5.6.3

From 49f59e9769262fe986b78093db14a3d48ea46e57 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeuc...@gmail.com>
Date: Fri, 25 Sep 2009 10:06:39 -0400
Subject: [PATCH] drm/radeon/kms/r600: clamp vram to aperture size

r6xx and r7xx was missing this.  We don't support
non-CPU accessible vram yet.

Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
 drivers/gpu/drm/radeon/r600.c  |    7 +++++++
 drivers/gpu/drm/radeon/rv770.c |    7 +++++++
 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 5f42fad..c7233ad 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -380,6 +380,13 @@ int r600_mc_init(struct radeon_device *rdev)
 	/* Setup GPU memory space */
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+
+	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+		rdev->mc.mc_vram_size = rdev->mc.aper_size;
+
+	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
+		rdev->mc.real_vram_size = rdev->mc.aper_size;
+
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
 		if (r)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b574c73..efca509 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -801,6 +801,13 @@ int rv770_mc_init(struct radeon_device *rdev)
 	/* Setup GPU memory space */
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+
+	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+		rdev->mc.mc_vram_size = rdev->mc.aper_size;
+
+	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
+		rdev->mc.real_vram_size = rdev->mc.aper_size;
+
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
 		if (r)
-- 
1.5.6.3


------------------------------------------------------------------------------
Come build with us! The BlackBerry&reg; Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay 
ahead of the curve. Join us from November 9&#45;12, 2009. Register now&#33;
http://p.sf.net/sfu/devconf
--
_______________________________________________
Dri-devel mailing list
Dri-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/dri-devel