drm/radeon/kms: fix vram setup on rs600

also fix up rs690 mem width. should fix fdo bug 25408 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
mariux64 · Dec 4, 2009 · 722f294 · 722f294
1 parent 8de2152
commit 722f294
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
@@ -320,6 +320,12 @@ void rs600_vram_info(struct radeon_device *rdev)
 	/* 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)

diff --git 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 *rdev)
 
 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;