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authorDave Airlie <airlied@linux.ie>2006-03-20 05:22:09 -0500
committerDave Airlie <airlied@linux.ie>2006-04-02 21:43:28 -0400
commit16109b3f4c1f2635afd32eb6d49348590de2cb25 (patch)
tree6a8777173acbc8d41fdcce615b899446eba8053b /drivers/video/intelfb/intelfbhw.c
parent8492f081e5552ff388068f612eae6f55f7210ed4 (diff)
intelfb: add p divisor increments for i9xx.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/video/intelfb/intelfbhw.c')
-rw-r--r--drivers/video/intelfb/intelfbhw.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index d52921931a3e..9a2d8cb4d400 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -49,6 +49,7 @@ struct pll_min_max {
49 int min_p1, max_p1; 49 int min_p1, max_p1;
50 int min_vco_freq, max_vco_freq; 50 int min_vco_freq, max_vco_freq;
51 int p_transition_clock; 51 int p_transition_clock;
52 int p_inc_lo, p_inc_hi;
52}; 53};
53 54
54#define PLLS_I8xx 0 55#define PLLS_I8xx 0
@@ -56,8 +57,8 @@ struct pll_min_max {
56#define PLLS_MAX 2 57#define PLLS_MAX 2
57 58
58struct pll_min_max plls[PLLS_MAX] = { 59struct pll_min_max plls[PLLS_MAX] = {
59 { 108, 140, 18, 26, 6, 16, 3, 16, 4, 128, 0, 31, 930000, 1400000, 165000 }, //I8xx 60 { 108, 140, 18, 26, 6, 16, 3, 16, 4, 128, 0, 31, 930000, 1400000, 165000, 4, 22 }, //I8xx
60 { 75, 120, 10, 20, 5, 9, 4, 7, 5, 80, 1, 8, 930000, 2800000, 200000 } //I9xx 61 { 75, 120, 10, 20, 5, 9, 4, 7, 5, 80, 1, 8, 930000, 2800000, 200000, 10, 5 } //I9xx
61}; 62};
62 63
63int 64int
@@ -822,15 +823,15 @@ calc_pll_params(int index, int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *re
822 div_min = ROUND_UP_TO(plls[index].min_vco_freq, clock) / clock; 823 div_min = ROUND_UP_TO(plls[index].min_vco_freq, clock) / clock;
823 824
824 if (clock <= plls[index].p_transition_clock) 825 if (clock <= plls[index].p_transition_clock)
825 p_inc = 4; 826 p_inc = plls[index].p_inc_lo;
826 else 827 else
827 p_inc = 2; 828 p_inc = plls[index].p_inc_hi;
828 p_min = ROUND_UP_TO(div_min, p_inc); 829 p_min = ROUND_UP_TO(div_min, p_inc);
829 p_max = ROUND_DOWN_TO(div_max, p_inc); 830 p_max = ROUND_DOWN_TO(div_max, p_inc);
830 if (p_min < plls[index].min_p) 831 if (p_min < plls[index].min_p)
831 p_min = 4; 832 p_min = plls[index].min_p;
832 if (p_max > plls[index].max_p) 833 if (p_max > plls[index].max_p)
833 p_max = 128; 834 p_max = plls[index].max_p;
834 835
835 DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc); 836 DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc);
836 837