[PATCH] gxfb: Fixup flatpanel detection

Jordan Crouse jordan.crouse at amd.com
Tue Nov 7 22:37:11 EST 2006


Commit:     823c57b5623976191f8f8ae0c1df796f9ceb5c03
Parent:     5eb7482c8215acacf9057c3c000dc277e9007f35
commit 823c57b5623976191f8f8ae0c1df796f9ceb5c03
Author:     Jordan Crouse <jordan.crouse at amd.com>
AuthorDate: Mon Jul 31 16:45:08 2006 -0600
Commit:     Jordan Crouse <jordan.crouse at amd.com>
CommitDate: Mon Jul 31 17:03:11 2006 -0600

    [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 at amd.com>
---
 drivers/video/geode/display_gx.h |    2 +-
 drivers/video/geode/gxfb_core.c  |    2 +-
 drivers/video/geode/video_gx.h   |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/geode/display_gx.h b/drivers/video/geode/display_gx.h
index ba0ccc8..0af33f3 100644
--- a/drivers/video/geode/display_gx.h
+++ b/drivers/video/geode/display_gx.h
@@ -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 */
 
diff --git a/drivers/video/geode/gxfb_core.c b/drivers/video/geode/gxfb_core.c
index c010266..1e20a3b 100644
--- a/drivers/video/geode/gxfb_core.c
+++ b/drivers/video/geode/gxfb_core.c
@@ -331,7 +331,7 @@ static int __init gxfb_probe(struct pci_
 
 	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;
diff --git a/drivers/video/geode/video_gx.h b/drivers/video/geode/video_gx.h
index 8f1e85b..119d0ab 100644
--- a/drivers/video/geode/video_gx.h
+++ b/drivers/video/geode/video_gx.h
@@ -14,7 +14,7 @@ #define __VIDEO_GX_H__
 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
 


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