diff options
| author | Alex Deucher <alex@samba.(none)> | 2007-12-17 20:32:45 -0500 |
|---|---|---|
| committer | Alex Deucher <alex@samba.(none)> | 2007-12-17 20:32:45 -0500 |
| commit | d93a0e10b8bc6e3797a3cf6c1e28ca413a7c38e4 (patch) | |
| tree | 46fb39179a663eadd2bc597bfeaf0ffa2b388f62 | |
| parent | 03b8b49f6f502c45552b018fd8c44d366b2d576f (diff) | |
RADEON: post div tweaks for legacy radeon
| -rw-r--r-- | src/radeon.h | 1 | ||||
| -rw-r--r-- | src/radeon_crtc.c | 12 | ||||
| -rw-r--r-- | src/radeon_driver.c | 2 |
3 files changed, 13 insertions, 2 deletions
diff --git a/src/radeon.h b/src/radeon.h index a5717a06..7d57ca56 100644 --- a/src/radeon.h +++ b/src/radeon.h @@ -203,6 +203,7 @@ typedef struct { #define RADEON_PLL_USE_BIOS_DIVS (1 << 0) #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1) #define RADEON_PLL_USE_REF_DIV (1 << 2) +#define RADEON_PLL_LEGACY (1 << 3) typedef struct { CARD16 reference_freq; diff --git a/src/radeon_crtc.c b/src/radeon_crtc.c index 5e9db39f..ea125567 100644 --- a/src/radeon_crtc.c +++ b/src/radeon_crtc.c @@ -659,6 +659,16 @@ RADEONComputePLL(RADEONPLLPtr pll, if ((flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1)) continue; + /* legacy radeons only have a few post_divs */ + if (flags & RADEON_PLL_LEGACY) { + if ((post_div == 5) || + (post_div == 7) || + (post_div == 9) || + (post_div == 10) || + (post_div == 11)) + continue; + } + if (vco < pll->pll_out_min || vco > pll->pll_out_max) continue; @@ -893,7 +903,7 @@ legacy_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode, Bool tilingOld = info->tilingEnabled; int i = 0; double dot_clock = 0; - int pll_flags = 0; + int pll_flags = RADEON_PLL_LEGACY; Bool update_tv_routing = FALSE; diff --git a/src/radeon_driver.c b/src/radeon_driver.c index 3eecedb0..2002dd3c 100644 --- a/src/radeon_driver.c +++ b/src/radeon_driver.c @@ -1239,7 +1239,7 @@ static void RADEONGetClockInfo(ScrnInfoPtr pScrn) pll->min_post_div = 2; pll->max_post_div = 0x7f; } else { - pll->min_post_div = 2; + pll->min_post_div = 1; pll->max_post_div = 12; //16 on crtc0 } pll->min_ref_div = 2; |