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gxt4500: enable on non-PPC architectures

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These chips can be present at least on x86 too - Fire GL2 AGP has GXT6000P but
this driver is currently limited to PPC.
Enable it for all architectures and add chip configuration for little-endian.

Tested on x86 with Fire GL2 AGP.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Ondrej Zary 2015-10-01 23:22:51 +02:00 committed by Tomi Valkeinen
parent 6a5e3bd0c8
commit 031e37f8c9
2 changed files with 10 additions and 2 deletions
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5
drivers/video/fbdev/Kconfig
View file

@ -2134,7 +2134,7 @@ config FB_UDL
config FB_IBM_GXT4500
tristate "Framebuffer support for IBM GXT4000P/4500P/6000P/6500P adaptors"
depends on FB && PPC
depends on FB
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
@ -2142,7 +2142,8 @@ config FB_IBM_GXT4500
Say Y here to enable support for the IBM GXT4000P/6000P and
GXT4500P/6500P display adaptor based on Raster Engine RC1000,
found on some IBM System P (pSeries) machines. This driver
doesn't use Geometry Engine GT1000.
doesn't use Geometry Engine GT1000. This driver also supports
AGP Fire GL2/3/4 cards on x86.
config FB_PS3
tristate "PS3 GPU framebuffer driver"

7
drivers/video/fbdev/gxt4500.c
View file

@ -670,8 +670,15 @@ static int gxt4500_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_drvdata(pdev, info);
#ifdef __BIG_ENDIAN
/* Set byte-swapping for DFA aperture for all pixel sizes */
pci_write_config_dword(pdev, CFG_ENDIAN0, 0x333300);
#else /* __LITTLE_ENDIAN */
/* not sure what this means but fgl23 driver does that */
pci_write_config_dword(pdev, CFG_ENDIAN0, 0x2300);
/* pci_write_config_dword(pdev, CFG_ENDIAN0 + 4, 0x400000);*/
pci_write_config_dword(pdev, CFG_ENDIAN0 + 8, 0x98530000);
#endif
info->fbops = &gxt4500_ops;
info->flags = FBINFO_FLAG_DEFAULT;