[PATCHv4 07/36] drm/komeda: Use afbc helper

[Andrzej Pietrasiewicz]

Makes the code shorter and more readable.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p at collabora.com>
---
 .../drm/arm/display/komeda/komeda_framebuffer.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
index 1b01a625f40e..7487c6cf6636 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
@@ -52,20 +52,9 @@ komeda_fb_afbc_size_check(struct komeda_fb *kfb, struct drm_file *file,
 		return -ENOENT;
 	}
 
-	switch (fb->modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) {
-	case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8:
-		alignment_w = 32;
-		alignment_h = 8;
-		break;
-	case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16:
-		alignment_w = 16;
-		alignment_h = 16;
-		break;
-	default:
-		WARN(1, "Invalid AFBC_FORMAT_MOD_BLOCK_SIZE: %lld.\n",
-		     fb->modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK);
-		break;
-	}
+	if (!drm_afbc_get_superblock_wh(fb->modifier,
+					&alignment_w, &alignment_h))
+		return -EINVAL;
 
 	/* tiled header afbc */
 	if (fb->modifier & AFBC_FORMAT_MOD_TILED) {
-- 
2.17.1