drm/radeon/kms: fix vram setup on rs600/rs690/rs740
Don't remap vram to 0 on IGP chips.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 30913c3..eb486ee 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -162,6 +162,21 @@
rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
}
+static int rs690_mc_init(struct radeon_device *rdev)
+{
+ int r;
+ u32 tmp;
+
+ /* Setup GPU memory space */
+ tmp = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
+ rdev->mc.vram_location = G_000100_MC_FB_START(tmp) << 16;
+ rdev->mc.gtt_location = 0xFFFFFFFFUL;
+ r = radeon_mc_setup(rdev);
+ if (r)
+ return r;
+ return 0;
+}
+
void rs690_line_buffer_adjust(struct radeon_device *rdev,
struct drm_display_mode *mode1,
struct drm_display_mode *mode2)
@@ -710,7 +725,7 @@
/* Get vram informations */
rs690_vram_info(rdev);
/* Initialize memory controller (also test AGP) */
- r = r420_mc_init(rdev);
+ r = rs690_mc_init(rdev);
if (r)
return r;
rv515_debugfs(rdev);