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drm/i915: Disable VRR during seamless M/N changes

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Make life less confusing by making sure VRR is disabled whenever
we do any drastic changes to the display timings, such as seamless
M/N changes.

Cc: Manasi Navare <navaremanasi@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901130440.2085-10-ville.syrjala@linux.intel.com
Reviewed-by: Manasi Navare <navaremanasi@chromium.org>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
This commit is contained in:
Ville Syrjälä 2023-09-01 16:04:37 +03:00
parent 6a38b36c27
commit 8f782270cc
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/display/intel_display.c
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@ -916,13 +916,15 @@ static bool planes_disabling(const struct intel_crtc_state *old_crtc_state,
static bool vrr_enabling(const struct intel_crtc_state *old_crtc_state,
const struct intel_crtc_state *new_crtc_state)
{
return is_enabling(vrr.enable, old_crtc_state, new_crtc_state);
return is_enabling(vrr.enable, old_crtc_state, new_crtc_state) ||
(new_crtc_state->vrr.enable && new_crtc_state->update_m_n);
}
static bool vrr_disabling(const struct intel_crtc_state *old_crtc_state,
const struct intel_crtc_state *new_crtc_state)
{
return is_disabling(vrr.enable, old_crtc_state, new_crtc_state);
return is_disabling(vrr.enable, old_crtc_state, new_crtc_state) ||
(old_crtc_state->vrr.enable && new_crtc_state->update_m_n);
}
#undef is_disabling