The FSP-S may do this but at least for coral it does not. Set this up so that graphics is not deathly slow.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v4: None Changes in v3: None Changes in v2: None
arch/x86/lib/fsp/fsp_graphics.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/x86/lib/fsp/fsp_graphics.c b/arch/x86/lib/fsp/fsp_graphics.c index 91d2d08557..226c7e66b3 100644 --- a/arch/x86/lib/fsp/fsp_graphics.c +++ b/arch/x86/lib/fsp/fsp_graphics.c @@ -8,6 +8,7 @@ #include <vbe.h> #include <video.h> #include <asm/fsp/fsp_support.h> +#include <asm/mtrr.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -97,6 +98,9 @@ static int fsp_video_probe(struct udevice *dev) if (ret) goto err;
+ mtrr_add_request(MTRR_TYPE_WRCOMB, vesa->phys_base_ptr, 256 << 20); + mtrr_commit(true); + printf("%dx%dx%d\n", uc_priv->xsize, uc_priv->ysize, vesa->bits_per_pixel);