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Message-Id: <20091217035653.117673162@mini.kroah.org>
Date:	Wed, 16 Dec 2009 19:56:16 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Alex Deucher <alexdeucher@...il.com>,
	Dave Airlie <airlied@...hat.com>
Subject: [079/151] drm/radeon/kms: fix vram setup on rs600

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Alex Deucher <alexdeucher@...il.com>

commit 722f29434e72188b2d20f9b41f4b5952073ed568 upstream.

also fix up rs690 mem width.

should fix fdo bug 25408

Signed-off-by: Alex Deucher <alexdeucher@...il.com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/radeon/rs600.c |    6 ++++++
 drivers/gpu/drm/radeon/rs690.c |   10 ++--------
 2 files changed, 8 insertions(+), 8 deletions(-)

--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -315,6 +315,12 @@ void rs600_vram_info(struct radeon_devic
 	/* FIXME: to do or is these values sane ? */
 	rdev->mc.vram_is_ddr = true;
 	rdev->mc.vram_width = 128;
+
+	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
+	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+
+	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
 }
 
 void rs600_bandwidth_update(struct radeon_device *rdev)
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -131,19 +131,13 @@ void rs690_pm_info(struct radeon_device 
 
 void rs690_vram_info(struct radeon_device *rdev)
 {
-	uint32_t tmp;
 	fixed20_12 a;
 
 	rs400_gart_adjust_size(rdev);
 	/* DDR for all card after R300 & IGP */
 	rdev->mc.vram_is_ddr = true;
-	/* FIXME: is this correct for RS690/RS740 ? */
-	tmp = RREG32(RADEON_MEM_CNTL);
-	if (tmp & R300_MEM_NUM_CHANNELS_MASK) {
-		rdev->mc.vram_width = 128;
-	} else {
-		rdev->mc.vram_width = 64;
-	}
+	rdev->mc.vram_width = 128;
+
 	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 


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