Move logo rectangle initialisation, and logo drawing in separate
functions, so they can be re-used by different panic screens.
It prepares the introduction of the QR code panic screen.
Signed-off-by: Jocelyn Falempe <jfalempe at redhat.com>
---
drivers/gpu/drm/drm_panic.c | 57 +++++++++++++++++++++----------------
1 file changed, 33 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c
index 9e06609e1799..450585374ca9 100644
--- a/drivers/gpu/drm/drm_panic.c
+++ b/drivers/gpu/drm/drm_panic.c
@@ -80,6 +80,7 @@ static struct drm_panic_line panic_msg[] = {
PANIC_LINE(""),
PANIC_LINE("Please reboot your computer."),
};
+static const int panic_msg_lines = ARRAY_SIZE(panic_msg);
static const struct drm_panic_line logo_ascii[] = {
PANIC_LINE(" .--. _"),
@@ -90,6 +91,7 @@ static const struct drm_panic_line logo_ascii[] = {
PANIC_LINE(" /'\\_ _/`\\ (_)"),
PANIC_LINE(" \\___)=(___/"),
};
+static const int logo_ascii_lines = ARRAY_SIZE(logo_ascii);
#if defined(CONFIG_LOGO) && !defined(MODULE)
static const struct linux_logo *logo_mono;
@@ -488,33 +490,45 @@ static void draw_txt_rectangle(struct drm_scanout_buffer *sb,
}
}
+static void drm_panic_logo_rect(struct drm_rect *rect, const struct font_desc *font)
+{
+ if (logo_mono)
+ drm_rect_init(rect, 0, 0, logo_mono->width, logo_mono->height);
+ else {
+ int logo_width = get_max_line_len(logo_ascii, logo_ascii_lines) * font->width;
+
+ drm_rect_init(rect, 0, 0, logo_width, logo_ascii_lines * font->height);
+ }
+}
+
+static void drm_panic_logo_draw(struct drm_scanout_buffer *sb, struct drm_rect *rect,
+ const struct font_desc *font, u32 fg_color)
+{
+ if (logo_mono)
+ drm_panic_blit(sb, rect, logo_mono->data,
+ DIV_ROUND_UP(drm_rect_width(rect), 8), 1, fg_color);
+ else
+ draw_txt_rectangle(sb, font, logo_ascii, logo_ascii_lines, false, rect,
+ fg_color);
+}
+
static void draw_panic_static_user(struct drm_scanout_buffer *sb)
{
- size_t msg_lines = ARRAY_SIZE(panic_msg);
- size_t logo_ascii_lines = ARRAY_SIZE(logo_ascii);
u32 fg_color = convert_from_xrgb8888(CONFIG_DRM_PANIC_FOREGROUND_COLOR, sb->format->format);
u32 bg_color = convert_from_xrgb8888(CONFIG_DRM_PANIC_BACKGROUND_COLOR, sb->format->format);
const struct font_desc *font = get_default_font(sb->width, sb->height, NULL, NULL);
struct drm_rect r_screen, r_logo, r_msg;
- unsigned int logo_width, logo_height;
+ unsigned int panic_msg_width;
if (!font)
return;
r_screen = DRM_RECT_INIT(0, 0, sb->width, sb->height);
-
- if (logo_mono) {
- logo_width = logo_mono->width;
- logo_height = logo_mono->height;
- } else {
- logo_width = get_max_line_len(logo_ascii, logo_ascii_lines) * font->width;
- logo_height = logo_ascii_lines * font->height;
- }
-
- r_logo = DRM_RECT_INIT(0, 0, logo_width, logo_height);
+ drm_panic_logo_rect(&r_logo, font);
+ panic_msg_width = get_max_line_len(panic_msg, panic_msg_lines) * font->width;
r_msg = DRM_RECT_INIT(0, 0,
- min(get_max_line_len(panic_msg, msg_lines) * font->width, sb->width),
- min(msg_lines * font->height, sb->height));
+ min(panic_msg_width, sb->width),
+ min(panic_msg_lines * font->height, sb->height));
/* Center the panic message */
drm_rect_translate(&r_msg, (sb->width - r_msg.x2) / 2, (sb->height - r_msg.y2) / 2);
@@ -522,15 +536,10 @@ static void draw_panic_static_user(struct drm_scanout_buffer *sb)
/* Fill with the background color, and draw text on top */
drm_panic_fill(sb, &r_screen, bg_color);
- if (!drm_rect_overlap(&r_logo, &r_msg)) {
- if (logo_mono)
- drm_panic_blit(sb, &r_logo, logo_mono->data, DIV_ROUND_UP(logo_width, 8),
- fg_color);
- else
- draw_txt_rectangle(sb, font, logo_ascii, logo_ascii_lines, false, &r_logo,
- fg_color);
- }
- draw_txt_rectangle(sb, font, panic_msg, msg_lines, true, &r_msg, fg_color);
+ if (!drm_rect_overlap(&r_logo, &r_msg))
+ drm_panic_logo_draw(sb, &r_logo, font, fg_color);
+
+ draw_txt_rectangle(sb, font, panic_msg, panic_msg_lines, true, &r_msg, fg_color);
}
/*
--
2.45.2