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| author | Dave Airlie <airlied@linux.ie> | 2006-03-20 11:22:09 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-04-03 03:43:28 +0200 |
| commit | 16109b3f4c1f2635afd32eb6d49348590de2cb25 (patch) | |
| tree | 6a8777173acbc8d41fdcce615b899446eba8053b /drivers/video | |
| parent | intelfb: change splitm to be brute force (diff) | |
| download | linux-16109b3f4c1f2635afd32eb6d49348590de2cb25.tar.xz linux-16109b3f4c1f2635afd32eb6d49348590de2cb25.zip | |
intelfb: add p divisor increments for i9xx.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/intelfb/intelfbhw.c | 13 |
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 { int min_p1, max_p1; int min_vco_freq, max_vco_freq; int p_transition_clock; + int p_inc_lo, p_inc_hi; }; #define PLLS_I8xx 0 @@ -56,8 +57,8 @@ struct pll_min_max { #define PLLS_MAX 2 struct pll_min_max plls[PLLS_MAX] = { - { 108, 140, 18, 26, 6, 16, 3, 16, 4, 128, 0, 31, 930000, 1400000, 165000 }, //I8xx - { 75, 120, 10, 20, 5, 9, 4, 7, 5, 80, 1, 8, 930000, 2800000, 200000 } //I9xx + { 108, 140, 18, 26, 6, 16, 3, 16, 4, 128, 0, 31, 930000, 1400000, 165000, 4, 22 }, //I8xx + { 75, 120, 10, 20, 5, 9, 4, 7, 5, 80, 1, 8, 930000, 2800000, 200000, 10, 5 } //I9xx }; int @@ -822,15 +823,15 @@ calc_pll_params(int index, int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *re div_min = ROUND_UP_TO(plls[index].min_vco_freq, clock) / clock; if (clock <= plls[index].p_transition_clock) - p_inc = 4; + p_inc = plls[index].p_inc_lo; else - p_inc = 2; + p_inc = plls[index].p_inc_hi; p_min = ROUND_UP_TO(div_min, p_inc); p_max = ROUND_DOWN_TO(div_max, p_inc); if (p_min < plls[index].min_p) - p_min = 4; + p_min = plls[index].min_p; if (p_max > plls[index].max_p) - p_max = 128; + p_max = plls[index].max_p; DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc); |