From: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
intel_fill_fb_info() has grown quite large and wrapping the offset checks
into a separate function makes the loop a bit easier to follow.
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Matt Roper <matthew.d.ro...@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 69 ++++++++++++--------
1 file changed, 40 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c
b/drivers/gpu/drm/i915/display/intel_display.c
index 6fec43cdddf4..e1f5170205bf 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2682,6 +2682,43 @@ static bool intel_plane_needs_remap(const struct
intel_plane_state *plane_state)
return stride > max_stride;
}
+static int
+intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int x, int y)
+{
+ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+ int hsub = fb->format->hsub;
+ int vsub = fb->format->vsub;
+ int tile_width, tile_height;
+ int ccs_x, ccs_y;
+ int main_x, main_y;
+
+ intel_tile_dims(fb, 1, &tile_width, &tile_height);
+
+ tile_width *= hsub;
+ tile_height *= vsub;
+
+ ccs_x = (x * hsub) % tile_width;
+ ccs_y = (y * vsub) % tile_height;
+ main_x = intel_fb->normal[0].x % tile_width;
+ main_y = intel_fb->normal[0].y % tile_height;
+
+ /*
+ * CCS doesn't have its own x/y offset register, so the intra CCS tile
+ * x/y offsets must match between CCS and the main surface.
+ */
+ if (main_x != ccs_x || main_y != ccs_y) {
+ DRM_DEBUG_KMS("Bad CCS x/y (main %d,%d ccs %d,%d) full (main
%d,%d ccs %d,%d)\n",
+ main_x, main_y,
+ ccs_x, ccs_y,
+ intel_fb->normal[0].x,
+ intel_fb->normal[0].y,
+ x, y);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int
intel_fill_fb_info(struct drm_i915_private *dev_priv,
struct drm_framebuffer *fb)
@@ -2713,35 +2750,9 @@ intel_fill_fb_info(struct drm_i915_private *dev_priv,
}
if (is_ccs_modifier(fb->modifier) && i == 1) {
- int hsub = fb->format->hsub;
- int vsub = fb->format->vsub;
- int tile_width, tile_height;
- int main_x, main_y;
- int ccs_x, ccs_y;
-
- intel_tile_dims(fb, i, &tile_width, &tile_height);
-
- tile_width *= hsub;
- tile_height *= vsub;
-
- ccs_x = (x * hsub) % tile_width;
- ccs_y = (y * vsub) % tile_height;
- main_x = intel_fb->normal[0].x % tile_width;
- main_y = intel_fb->normal[0].y % tile_height;
-
- /*
- * CCS doesn't have its own x/y offset register, so the
intra CCS tile
- * x/y offsets must match between CCS and the main
surface.
- */
- if (main_x != ccs_x || main_y != ccs_y) {
- DRM_DEBUG_KMS("Bad CCS x/y (main %d,%d ccs
%d,%d) full (main %d,%d ccs %d,%d)\n",
- main_x, main_y,
- ccs_x, ccs_y,
- intel_fb->normal[0].x,
- intel_fb->normal[0].y,
- x, y);
- return -EINVAL;
- }
+ ret = intel_fb_check_ccs_xy(fb, x, y);
+ if (ret)
+ return ret;
}
/*
--
2.20.1
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