drm/i915: split aligned height calculation out v2
For use by get_plane_config.
v2: cleanup tile_height bits (Chris)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6ac4c23..af98ddb2 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1932,6 +1932,14 @@
return false;
}
+static int intel_align_height(struct drm_device *dev, int height, bool tiled)
+{
+ int tile_height;
+
+ tile_height = tiled ? (IS_GEN2(dev) ? 16 : 8) : 1;
+ return ALIGN(height, tile_height);
+}
+
int
intel_pin_and_fence_fb_obj(struct drm_device *dev,
struct drm_i915_gem_object *obj,
@@ -10573,7 +10581,7 @@
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_i915_gem_object *obj)
{
- int aligned_height, tile_height;
+ int aligned_height;
int pitch_limit;
int ret;
@@ -10667,9 +10675,8 @@
if (mode_cmd->offsets[0] != 0)
return -EINVAL;
- tile_height = IS_GEN2(dev) ? 16 : 8;
- aligned_height = ALIGN(mode_cmd->height,
- obj->tiling_mode ? tile_height : 1);
+ aligned_height = intel_align_height(dev, mode_cmd->height,
+ obj->tiling_mode);
/* FIXME drm helper for size checks (especially planar formats)? */
if (obj->base.size < aligned_height * mode_cmd->pitches[0])
return -EINVAL;