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drm/i915: Compute clocks earlier 

Do the DPLL computation before fastset checks. This should
allow us to get rid of all that horrible fuzzy clock handling
for fastsets. Who knows how many bugs there are caused by our
state not actually matching what the hardware will generate.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907091057.11572-9-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2022-09-07 12:10:48 +03:00
parent 665a7b0409
commit 0ff0e219d9
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/i915/display/intel_display.c
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@ -2691,6 +2691,10 @@ static int intel_crtc_compute_config(struct intel_atomic_state *state,
intel_atomic_get_new_crtc_state(state, crtc);
int ret;
ret = intel_dpll_crtc_compute_clock(state, crtc);
if (ret)
return ret;
ret = intel_crtc_compute_pipe_src(crtc_state);
if (ret)
return ret;
@ -6895,10 +6899,6 @@ static int intel_atomic_check(struct drm_device *dev,
if (intel_crtc_needs_modeset(new_crtc_state)) {
any_ms = true;
ret = intel_dpll_crtc_compute_clock(state, crtc);
if (ret)
goto fail;
intel_release_shared_dplls(state, crtc);
continue;
}