Changeset 73abf49 in mainline for kernel/arch/arm32/src/mach/raspberrypi/raspberrypi.c

Timestamp:

2021-06-22T19:36:32Z (3 years ago)

Author:

Maurizio Lombardi <mlombard@…>

Branches:

master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

1b7b7af

Parents:

034ce6bb

git-author:

Maurizio Lombardi <mlombard@…> (2021-06-22 19:21:17)

git-committer:

Maurizio Lombardi <mlombard@…> (2021-06-22 19:36:32)

Message:

raspberrypi: mbox: read the framebuffer size from VideoCore

Get the real framebuffer size, do not assume
it's 640x480

Signed-off-by: Maurizio Lombardi <mlombard@…>

File:

• kernel/arch/arm32/src/mach/raspberrypi/raspberrypi.c (modified) (1 diff)

kernel/arch/arm32/src/mach/raspberrypi/raspberrypi.c

@@ -174 +174 @@
 {
 #ifdef CONFIG_FB
+        uint32_t width, height;
         fb_properties_t prop;
-        if (bcm2835_fb_init(&prop)) {
+
+        if (!bcm2835_mbox_get_fb_size(&width, &height)) {
+                printf("mbox: could not get the framebuffer size\n");
+                width = 640;
+                height = 480;
+        }
+        if (bcm2835_fb_init(&prop, width, height)) {
                 outdev_t *fb_dev = fb_init(&prop);
                 if (fb_dev)