The patch titled
savagefb: Fix black screen on load in Savage IX
has been removed from the -mm tree. Its filename was
savagefb-fix-black-screen-on-load-in-savage-ix.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: savagefb: Fix black screen on load in Savage IX
From: "Antonino A. Daplas" <adaplas@xxxxxxxxx>
This is a hack that seems to kick start the 2D engine of the Savage IX in some
Toshiba laptops. Without this, the laptop starts with a black screen and
occasionally crashes X.
Signed-off-by: Antonino Daplas <adaplas@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/savage/savagefb_driver.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff -puN drivers/video/savage/savagefb_driver.c~savagefb-fix-black-screen-on-load-in-savage-ix drivers/video/savage/savagefb_driver.c
--- a/drivers/video/savage/savagefb_driver.c~savagefb-fix-black-screen-on-load-in-savage-ix
+++ a/drivers/video/savage/savagefb_driver.c
@@ -384,6 +384,19 @@ SavageSetup2DEngine(struct savagefb_par
BCI_SEND(0);
BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2);
BCI_SEND(GlobalBitmapDescriptor);
+
+ /*
+ * I don't know why, sending this twice fixes the intial black screen,
+ * prevents X from crashing at least in Toshiba laptops with SavageIX.
+ * --Tony
+ */
+ par->bci_ptr = 0;
+ par->SavageWaitFifo(par, 4);
+
+ BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD1);
+ BCI_SEND(0);
+ BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2);
+ BCI_SEND(GlobalBitmapDescriptor);
}
static void savagefb_set_clip(struct fb_info *info)
_
Patches currently in -mm which might be from adaplas@xxxxxxxxx are
origin.patch
fbdev-add-ultrasharp-uxga-to-broken-monitor-database.patch
intelfb-fix-ring-space-calculation.patch
nvidiafb-bring-back-generic-ddc-reading.patch
fbdev-ignore-vesa-modes-if-framebuffer-is-disabled.patch
fbdev-fix-obvious-bug-in-show_pan.patch
neofb-fill-transp-msb_right-with-the-correct.patch
atyfb-kill-dead-code.patch
fbdev-mm-deferred-io-support.patch
fbdev-mm-deferred-io-support-fix.patch
fbdev-mm-deferred-io-support-fix-2.patch
fbdev-hecuba-framebuffer-driver.patch
fbdev-hecuba-framebuffer-driver-fix.patch
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