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authorPatrik Jakobsson <patrik.r.jakobsson@gmail.com>2013-02-16 13:04:21 +0100
committerDave Airlie <airlied@redhat.com>2013-02-22 10:15:48 +1000
commit907a773ba365daa9f86c6bb8cb11ddbf9b11a3d1 (patch)
tree0e4351332f02236b63ddfdceae64441baa323b6b /drivers
parentca18e1426bb2db987b67030256477c9571aebd09 (diff)
downloadlinux-907a773ba365daa9f86c6bb8cb11ddbf9b11a3d1.tar.gz
gma500: Fix n, m1 and m2 clock limits for sdvo and lvds
The values of n, m1 and m2 needs to be subtracted by 2 before writing them to
the FP register. The dot clock calculation already thinks of these values in
register form so we must also specify them as such.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/gma500/psb_intel_display.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index 8033526bb53b..9edb1902a096 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -85,14 +85,14 @@ struct psb_intel_limit_t {
 #define I9XX_DOT_MAX		 400000
 #define I9XX_VCO_MIN		1400000
 #define I9XX_VCO_MAX		2800000
-#define I9XX_N_MIN		      3
-#define I9XX_N_MAX		      8
+#define I9XX_N_MIN		      1
+#define I9XX_N_MAX		      6
 #define I9XX_M_MIN		     70
 #define I9XX_M_MAX		    120
-#define I9XX_M1_MIN		     10
-#define I9XX_M1_MAX		     20
-#define I9XX_M2_MIN		      5
-#define I9XX_M2_MAX		      9
+#define I9XX_M1_MIN		      8
+#define I9XX_M1_MAX		     18
+#define I9XX_M2_MIN		      3
+#define I9XX_M2_MAX		      7
 #define I9XX_P_SDVO_DAC_MIN	      5
 #define I9XX_P_SDVO_DAC_MAX	     80
 #define I9XX_P_LVDS_MIN		      7