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authorLinus Torvalds <torvalds@linux-foundation.org>2011-12-24 13:34:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-12-24 13:34:44 -0800
commit4962516b2309d76964f9df0d33e74f43b624a42d (patch)
tree815e16e71e76b2ca6ffc09b176ecfb4263f426df
parent5f0a6e2d503896062f641639dacfe5055c2f593b (diff)
parent8a78389651b3e411ec5a7df61404734f52d6f4eb (diff)
downloadlinux-linaro-4962516b2309d76964f9df0d33e74f43b624a42d.tar.gz
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: vmwgfx: fix incorrect VRAM size check in vmw_kms_fb_create() drm/radeon/kms: bail on BTC parts if MC ucode is missing
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c12
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c6
2 files changed, 15 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 5e00d1670aa..92c9628c572 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3276,6 +3276,18 @@ int evergreen_init(struct radeon_device *rdev)
rdev->accel_working = false;
}
}
+
+ /* Don't start up if the MC ucode is missing on BTC parts.
+ * The default clocks and voltages before the MC ucode
+ * is loaded are not suffient for advanced operations.
+ */
+ if (ASIC_IS_DCE5(rdev)) {
+ if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
+ DRM_ERROR("radeon: MC ucode required for NI+.\n");
+ return -EINVAL;
+ }
+ }
+
return 0;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 8aa1dbb45c6..f94b33ae221 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1093,7 +1093,6 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
struct vmw_surface *surface = NULL;
struct vmw_dma_buffer *bo = NULL;
struct ttm_base_object *user_obj;
- u64 required_size;
int ret;
/**
@@ -1102,8 +1101,9 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
* requested framebuffer.
*/
- required_size = mode_cmd->pitch * mode_cmd->height;
- if (unlikely(required_size > (u64) dev_priv->vram_size)) {
+ if (!vmw_kms_validate_mode_vram(dev_priv,
+ mode_cmd->pitch,
+ mode_cmd->height)) {
DRM_ERROR("VRAM size is too small for requested mode.\n");
return ERR_PTR(-ENOMEM);
}