diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-10-16 11:15:25 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-10-26 13:28:22 +1000 |
| commit | ebbe1cb936dfc96d809ccf4d64a9755f8ba0c0ff (patch) | |
| tree | 42c9ef8b5552c84a2e02b5e35f17bfddc28927b5 /drivers/gpu/drm/radeon/radeon_mode.h | |
| parent | c290dadf4cac25cc91529d84004795ab43fc0821 (diff) | |
drm/radeon/kms/atom: add support for spread spectrum (v2)
Spread spectrum is a periodic disturbance added
to the feedback divider to change the pixel clock
periodically to reduce interference.
Only enabled on LVDS.
v2: add support for r4xx and fix DCE 3
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_mode.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mode.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index b6868fbe734..2ea5707c018 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -260,6 +260,16 @@ struct radeon_encoder_int_tmds { struct radeon_tmds_pll tmds_pll[4]; }; +/* spread spectrum */ +struct radeon_atom_ss { + uint16_t percentage; + uint8_t type; + uint8_t step; + uint8_t delay; + uint8_t range; + uint8_t refdiv; +}; + struct radeon_encoder_atom_dig { /* atom dig */ bool coherent_mode; @@ -267,6 +277,7 @@ struct radeon_encoder_atom_dig { /* atom lvds */ uint32_t lvds_misc; uint16_t panel_pwr_delay; + struct radeon_atom_ss *ss; /* panel mode */ struct drm_display_mode native_mode; }; |