Factor out to a new function the logic to convert the FB plane x/y
values to a tile size based offset and new x/y relative to this offset.
This makes intel_fill_fb_info() and intel_plane_remap_gtt() somewhat
more readable.
Signed-off-by: Imre Deak <imre.d...@intel.com>
---
drivers/gpu/drm/i915/display/intel_fb.c | 26 ++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_fb.c
b/drivers/gpu/drm/i915/display/intel_fb.c
index 806341c229f0..62a8e37dca38 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -559,6 +559,21 @@ static int convert_plane_offset_to_xy(const struct
intel_framebuffer *fb, int co
return 0;
}
+static u32 calc_plane_aligned_offset(const struct intel_framebuffer *fb, int
color_plane, int *x, int *y)
+{
+ const struct drm_framebuffer *drm_fb = &fb->base;
+ struct drm_i915_private *i915 = to_i915(drm_fb->dev);
+ unsigned int tile_size = intel_tile_size(i915);
+ u32 offset;
+
+ offset = intel_compute_aligned_offset(i915, x, y, drm_fb, color_plane,
+ drm_fb->pitches[color_plane],
+ DRM_MODE_ROTATE_0,
+ tile_size);
+
+ return offset / tile_size;
+}
+
/*
* Setup the rotated view for an FB plane and return the size the GTT mapping
* requires for this view.
@@ -661,11 +676,7 @@ int intel_fill_fb_info(struct drm_i915_private *i915,
struct drm_framebuffer *fb
intel_fb->normal[i].x = x;
intel_fb->normal[i].y = y;
- offset = intel_compute_aligned_offset(i915, &x, &y, fb, i,
- fb->pitches[i],
- DRM_MODE_ROTATE_0,
- tile_size);
- offset /= tile_size;
+ offset = calc_plane_aligned_offset(intel_fb, i, &x, &y);
if (!is_surface_linear(fb, i)) {
struct intel_remapped_plane_info plane_info;
@@ -774,10 +785,7 @@ static void intel_plane_remap_gtt(struct intel_plane_state
*plane_state)
x += intel_fb->normal[i].x;
y += intel_fb->normal[i].y;
- offset = intel_compute_aligned_offset(i915, &x, &y,
- fb, i, fb->pitches[i],
- DRM_MODE_ROTATE_0,
tile_size);
- offset /= tile_size;
+ offset = calc_plane_aligned_offset(intel_fb, i, &x, &y);
drm_WARN_ON(&i915->drm, i >= ARRAY_SIZE(info->plane));
info->plane[i].offset = offset;
--
2.25.1
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