diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-09-07 12:10:47 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-09-08 14:20:54 +0300 |
| commit | 665a7b04092c5671f3a6c34302aa1538948b4666 (patch) | |
| tree | 4042482bd9bd675d21bd79a73bce21d3131d99f0 /drivers/gpu/drm/i915/display/vlv_dsi.c | |
| parent | e95132ef5d458b3e9d75acfbf4770e8b34de5315 (diff) | |
drm/i915: Feed the DPLL output freq back into crtc_state
Fill port_clock and hw.adjusted_mode.crtc_clock with the actual
frequency we're going to be getting from the hardware. This will
let us accurately compute all derived state that depends on those.
v2: Reintroduce iCLKIP WARN
v3: Try to deal with VLV/BXT DSI PLL as well
Reviewed-by: Jani Nikula <jani.nikula@intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907091057.11572-8-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/vlv_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/vlv_dsi.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 0bb4ac016345..b3f5ca280ef2 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1277,13 +1277,12 @@ static void intel_dsi_get_config(struct intel_encoder *encoder, pclk = vlv_dsi_get_pclk(encoder, pipe_config); } - if (intel_dsi->dual_link) - pclk *= 2; + pipe_config->port_clock = pclk; - if (pclk) { - pipe_config->hw.adjusted_mode.crtc_clock = pclk; - pipe_config->port_clock = pclk; - } + /* FIXME definitely not right for burst/cmd mode/pixel overlap */ + pipe_config->hw.adjusted_mode.crtc_clock = pclk; + if (intel_dsi->dual_link) + pipe_config->hw.adjusted_mode.crtc_clock *= 2; } /* return txclkesc cycles in terms of divider and duration in us */ |