diff options
Diffstat (limited to 'src/soc/nvidia/tegra132/display.c')
| -rw-r--r-- | src/soc/nvidia/tegra132/display.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/src/soc/nvidia/tegra132/display.c b/src/soc/nvidia/tegra132/display.c index 62cea026e5..1708b5a85c 100644 --- a/src/soc/nvidia/tegra132/display.c +++ b/src/soc/nvidia/tegra132/display.c @@ -29,6 +29,7 @@ #include <cpu/cpu.h> #include <boot/tables.h> #include <cbmem.h> +#include <edid.h> #include <soc/clock.h> #include <soc/nvidia/tegra/dc.h> #include <soc/funitcfg.h> @@ -289,9 +290,36 @@ void display_startup(device_t dev) return; } - /* set up window */ + /* Set up window */ update_window(config); - printk(BIOS_INFO, "%s: display init done.\n", __func__); + + /* + * Pass panel information to cb tables + */ + struct edid edid; + /* Align bytes_per_line to 64 bytes as required by dc */ + edid.bytes_per_line = ALIGN_UP((config->xres * + config->framebuffer_bits_per_pixel / 8), 64); + edid.x_resolution = edid.bytes_per_line / + (config->framebuffer_bits_per_pixel / 8); + edid.y_resolution = config->yres; + edid.framebuffer_bits_per_pixel = config->framebuffer_bits_per_pixel; + + printk(BIOS_INFO, "%s: bytes_per_line: %d, bits_per_pixel: %d\n " + " x_res x y_res: %d x %d, size: %d\n", + __func__, edid.bytes_per_line, + edid.framebuffer_bits_per_pixel, + edid.x_resolution, edid.y_resolution, + (edid.bytes_per_line * edid.y_resolution)); + + set_vbe_mode_info_valid(&edid, 0); + + /* + * After this point, it is payload's responsibility to allocate + * framebuffer and sets the base address to dc's + * WINBUF_START_ADDR register and enables window by setting dc's + * DISP_DISP_WIN_OPTIONS register. + */ } |