[PATCH] gma500: Fix n, m1 and m2 clock limits for sdvo and lvds
Patrik Jakobsson
patrik.r.jakobsson at gmail.com
Sat Feb 16 04:04:21 PST 2013
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 at gmail.com>
---
drivers/gpu/drm/gma500/psb_intel_display.c | 12 ++++++------
1 file 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 8033526..9edb190 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
--
1.7.10.4
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