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[PATCH] gxfb: Fixup flatpanel detection 

Use the right MSR and bits to detect if the GX is strapped for TFT or CRT

Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Acked-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jordan Crouse 2006-12-08 02:40:55 -08:00 committed by Linus Torvalds
parent 16ef987095
commit 53d53bd4ab
3 changed files with 3 additions and 3 deletions
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2
drivers/video/geode/display_gx.h
View File

@ -18,7 +18,7 @@ extern struct geode_dc_ops gx_dc_ops;
/* MSR that tells us if a TFT or CRT is attached */
#define GLD_MSR_CONFIG 0xC0002001
#define GLD_MSR_CONFIG_FMT_FP 0x01
#define GLD_MSR_CONFIG_DM_FP 0x40
/* Display controller registers */

2
drivers/video/geode/gxfb_core.c
View File

@ -328,7 +328,7 @@ static int __init gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *i
rdmsrl(GLD_MSR_CONFIG, val);
if (val & GLD_MSR_CONFIG_FMT_FP)
if ((val & GLD_MSR_CONFIG_DM_FP) == GLD_MSR_CONFIG_DM_FP)
par->enable_crt = 0;
else
par->enable_crt = 1;

2
drivers/video/geode/video_gx.h
View File

@ -14,7 +14,7 @@
extern struct geode_vid_ops gx_vid_ops;
/* GX Flatpanel control MSR */
#define GX_VP_MSR_PAD_SELECT 0x2011
#define GX_VP_MSR_PAD_SELECT 0xC0002011
#define GX_VP_PAD_SELECT_MASK 0x3FFFFFFF
#define GX_VP_PAD_SELECT_TFT 0x1FFFFFFF