linux-kernel - [PATCH 20/36] drm/ast: use bpp instead of cpp for drm_format

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Date:   Mon, 23 Sep 2019 20:49:12 +0800
From:   Sandy Huang <hjc@...k-chips.com>
To:     dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Sam Ravnborg <sam@...nborg.org>,
        "Y.C. Chen" <yc_chen@...eedtech.com>,
        Sandy Huang <hjc@...k-chips.com>,
        José Roberto de Souza <jose.souza@...el.com>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 20/36] drm/ast: 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/ast/ast_mode.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index c191e8e..439d0b3 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -93,7 +93,7 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo
 	u32 hborder, vborder;
 	bool check_sync;
 
-	switch (fb->format->cpp[0] * 8) {
+	switch (fb->format->bpp[0]) {
 	case 8:
 		vbios_mode->std_table = &vbios_stdtable[VGAModeIndex];
 		color_index = VGAModeIndex - 1;
@@ -217,7 +217,7 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo
 		if (vbios_mode->enh_table->flags & NewModeInfo) {
 			ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8);
 			ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92,
-					  fb->format->cpp[0] * 8);
+					  fb->format->bpp[0]);
 			ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000);
 			ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay);
 			ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8);
@@ -422,7 +422,7 @@ static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode
 	const struct drm_framebuffer *fb = crtc->primary->fb;
 	u8 jregA0 = 0, jregA3 = 0, jregA8 = 0;
 
-	switch (fb->format->cpp[0] * 8) {
+	switch (fb->format->bpp[0]) {
 	case 8:
 		jregA0 = 0x70;
 		jregA3 = 0x01;
@@ -480,7 +480,7 @@ static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode
 {
 	const struct drm_framebuffer *fb = crtc->primary->fb;
 
-	switch (fb->format->cpp[0] * 8) {
+	switch (fb->format->bpp[0]) {
 	case 8:
 		break;
 	default:
-- 
2.7.4