drm/radeon: fix problem with changing active VRAM size. (v2)

[mv-sheeva.git] / drivers / gpu / drm / radeon / rs600.c

diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index b4192acaab5f848cfccec0bbc282e7f8dc3739ea..8af4679db23e3451f223eab9e5e005026ed6336d 100644 (file)
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -339,16 +339,16 @@ void rs600_bm_disable(struct radeon_device *rdev)
 
 int rs600_asic_reset(struct radeon_device *rdev)
 {
-       u32 status, tmp;
-
        struct rv515_mc_save save;
+       u32 status, tmp;
+       int ret = 0;
 
-       /* Stops all mc clients */
-       rv515_mc_stop(rdev, &save);
        status = RREG32(R_000E40_RBBM_STATUS);
        if (!G_000E40_GUI_ACTIVE(status)) {
                return 0;
        }
+       /* Stops all mc clients */
+       rv515_mc_stop(rdev, &save);
        status = RREG32(R_000E40_RBBM_STATUS);
        dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
        /* stop CP */
@@ -392,11 +392,11 @@ int rs600_asic_reset(struct radeon_device *rdev)
        if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
                dev_err(rdev->dev, "failed to reset GPU\n");
                rdev->gpu_lockup = true;
-               return -1;
-       }
+               ret = -1;
+       } else
+               dev_info(rdev->dev, "GPU reset succeed\n");
        rv515_mc_resume(rdev, &save);
-       dev_info(rdev->dev, "GPU reset succeed\n");
-       return 0;
+       return ret;
 }
 
 /*
@@ -751,7 +751,6 @@ void rs600_mc_init(struct radeon_device *rdev)
        rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
        rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
        rdev->mc.visible_vram_size = rdev->mc.aper_size;
-       rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
        rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
        base = RREG32_MC(R_000004_MC_FB_LOCATION);
        base = G_000004_MC_FB_START(base) << 16;