linux-kernel - [PATCH 10/36] drm/arm: use bpp instead of cpp for drm_format

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Message-Id: <1569242784-182780-1-git-send-email-hjc@rock-chips.com>
Date:   Mon, 23 Sep 2019 20:46:23 +0800
From:   Sandy Huang <hjc@...k-chips.com>
To:     dri-devel@...ts.freedesktop.org,
        "James (Qian) Wang" <james.qian.wang@....com>,
        Liviu Dudau <liviu.dudau@....com>,
        Brian Starkey <brian.starkey@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     hjc@...k-chips.com, linux-kernel@...r.kernel.org
Subject: [PATCH 10/36] drm/arm: use bpp instead of cpp for drm_format_info

cpp[BytePerPlane] can't describe the 10bit data format correctly,
So we use bpp[BitPerPlane] to instead cpp.

Signed-off-by: Sandy Huang <hjc@...k-chips.com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c | 2 +-
 drivers/gpu/drm/arm/malidp_hw.c                         | 2 +-
 drivers/gpu/drm/arm/malidp_planes.c                     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
index 3b0a70e..d02dfc6 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
@@ -89,7 +89,7 @@ komeda_fb_afbc_size_check(struct komeda_fb *kfb, struct drm_file *file,
 				    alignment_header);
 
 	kfb->afbc_size = kfb->offset_payload + n_blocks *
-			 ALIGN(info->cpp[0] * AFBC_SUPERBLK_PIXELS,
+			 ALIGN(info->bpp[0] / 8 * AFBC_SUPERBLK_PIXELS,
 			       AFBC_SUPERBLK_ALIGNMENT);
 	min_size = kfb->afbc_size + fb->offsets[0];
 	if (min_size > obj->size) {
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c
index bd8265f..54be8d1 100644
--- a/drivers/gpu/drm/arm/malidp_hw.c
+++ b/drivers/gpu/drm/arm/malidp_hw.c
@@ -384,7 +384,7 @@ static void malidp500_modeset(struct malidp_hw_device *hwdev, struct videomode *
 int malidp_format_get_bpp(u32 fmt)
 {
 	const struct drm_format_info *info = drm_format_info(fmt);
-	int bpp = info->cpp[0] * 8;
+	int bpp = info->bpp[0];
 
 	if (bpp == 0) {
 		switch (fmt) {
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 3c70a53..628f325 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -225,7 +225,7 @@ bool malidp_format_mod_supported(struct drm_device *drm,
 
 	if (modifier & AFBC_SPLIT) {
 		if (!info->is_yuv) {
-			if (info->cpp[0] <= 2) {
+			if (info->bpp[0] <= 16) {
 				DRM_DEBUG_KMS("RGB formats <= 16bpp are not supported with SPLIT\n");
 				return false;
 			}
-- 
2.7.4