diff options
Diffstat (limited to 'linux-core/radeon_legacy_crtc.c')
| -rw-r--r-- | linux-core/radeon_legacy_crtc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/linux-core/radeon_legacy_crtc.c b/linux-core/radeon_legacy_crtc.c index f029c478..d51fc52d 100644 --- a/linux-core/radeon_legacy_crtc.c +++ b/linux-core/radeon_legacy_crtc.c @@ -401,7 +401,7 @@ static void radeon_set_pll1(struct drm_crtc *crtc, struct drm_display_mode *mode uint32_t post_divider = 0; uint32_t freq = 0; uint8_t pll_gain; - int pll_flags = RADEON_PLL_LEGACY | RADEON_PLL_PREFER_LOW_REF_DIV; + int pll_flags = RADEON_PLL_LEGACY; bool use_bios_divs = false; /* PLL registers */ uint32_t ppll_ref_div = 0; @@ -431,6 +431,11 @@ static void radeon_set_pll1(struct drm_crtc *crtc, struct drm_display_mode *mode { 0, 0 } }; + if (mode->clock > 120000) /* range limits??? */ + pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; + else + pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { if (encoder->crtc == crtc) { if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) |