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drm/radeon/kms: add PLL flag to prefer frequencies <= the target freq

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This is needed when using fractional feedback dividers on some IGP
chips.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2009-07-13 11:08:18 -04:00
committed by Dave Airlie
parent b995e4330d
commit d0e275a90a
2 changed files with 6 additions and 1 deletions
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1
drivers/gpu/drm/radeon/radeon_mode.h
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@@ -124,6 +124,7 @@ struct radeon_tmds_pll {
#define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
#define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
#define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
#define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
struct radeon_pll {
uint16_t reference_freq;