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authorOlof Johansson <olof@lixom.net>2015-11-09 16:35:19 -0800
committerOlof Johansson <olof@lixom.net>2015-11-09 16:35:19 -0800
commit3e4dda70cc989a4f8079541972942609229e9f55 (patch)
tree0342db762349057fd2e1efb621ba265df187f1dc /drivers/video/fbdev/tridentfb.c
parent1b38b0e3349d733679e91b029a7f0dfd9e16a169 (diff)
parent8713181dced9b2d0c2a99613449b9e45b656df83 (diff)
downloadop-kernel-dev-3e4dda70cc989a4f8079541972942609229e9f55.zip
op-kernel-dev-3e4dda70cc989a4f8079541972942609229e9f55.tar.gz
Merge branch 'next/arm64' into next/dt
Merging in the few patches I had kept separate from main next/dt, since others got merged here directly. * next/arm64: arm64: defconfig: Enable PCI generic host bridge by default arm64: Juno: Add support for the PCIe host bridge on Juno R1 Documentation: of: Document the bindings used by Juno R1 PCIe host bridge arm64: dts: mt8173: Add clocks for SCPSYS unit arm64: dts: mt8173: Add subsystem clock controller device nodes + Linux 4.3-rc5
Diffstat (limited to 'drivers/video/fbdev/tridentfb.c')
-rw-r--r--drivers/video/fbdev/tridentfb.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 7ed9a22..01b43e9 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -226,7 +226,7 @@ static void blade_image_blit(struct tridentfb_par *par, const char *data,
writemmr(par, DST1, point(x, y));
writemmr(par, DST2, point(x + w - 1, y + h - 1));
- memcpy(par->io_virt + 0x10000, data, 4 * size);
+ iowrite32_rep(par->io_virt + 0x10000, data, size);
}
static void blade_copy_rect(struct tridentfb_par *par,
@@ -673,8 +673,14 @@ static int get_nativex(struct tridentfb_par *par)
static inline void set_lwidth(struct tridentfb_par *par, int width)
{
write3X4(par, VGA_CRTC_OFFSET, width & 0xFF);
- write3X4(par, AddColReg,
- (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4));
+ /* chips older than TGUI9660 have only 1 width bit in AddColReg */
+ /* touching the other one breaks I2C/DDC */
+ if (par->chip_id == TGUI9440 || par->chip_id == CYBER9320)
+ write3X4(par, AddColReg,
+ (read3X4(par, AddColReg) & 0xEF) | ((width & 0x100) >> 4));
+ else
+ write3X4(par, AddColReg,
+ (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4));
}
/* For resolutions smaller than FP resolution stretch */
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