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drm/i915/vrr: Make helpers for cmrr and vrr timings

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Separate out functions for computing cmrr and vrr timings.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311093751.1329043-4-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal
2025-03-11 15:07:46 +05:30
parent 022d04b355
commit 58f9466c82
1 changed files with 28 additions and 17 deletions
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45
drivers/gpu/drm/i915/display/intel_vrr.c
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@@ -222,6 +222,30 @@ cmrr_get_vtotal(struct intel_crtc_state *crtc_state, bool video_mode_required)
return vtotal;
}
static
void intel_vrr_compute_cmrr_timings(struct intel_crtc_state *crtc_state)
{
crtc_state->vrr.enable = true;
crtc_state->cmrr.enable = true;
/*
* TODO: Compute precise target refresh rate to determine
* if video_mode_required should be true. Currently set to
* false due to uncertainty about the precise target
* refresh Rate.
*/
crtc_state->vrr.vmax = cmrr_get_vtotal(crtc_state, false);
crtc_state->vrr.vmin = crtc_state->vrr.vmax;
crtc_state->vrr.flipline = crtc_state->vrr.vmin;
crtc_state->mode_flags |= I915_MODE_FLAG_VRR;
}
static
void intel_vrr_compute_vrr_timings(struct intel_crtc_state *crtc_state)
{
crtc_state->vrr.enable = true;
crtc_state->mode_flags |= I915_MODE_FLAG_VRR;
}
static
int intel_vrr_compute_vmin(struct intel_connector *connector,
const struct drm_display_mode *adjusted_mode)
@@ -298,23 +322,10 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
*/
crtc_state->vrr.vmin -= intel_vrr_flipline_offset(display);
if (crtc_state->uapi.vrr_enabled) {
crtc_state->vrr.enable = true;
crtc_state->mode_flags |= I915_MODE_FLAG_VRR;
} else if (is_cmrr_frac_required(crtc_state) && is_edp) {
crtc_state->vrr.enable = true;
crtc_state->cmrr.enable = true;
/*
* TODO: Compute precise target refresh rate to determine
* if video_mode_required should be true. Currently set to
* false due to uncertainty about the precise target
* refresh Rate.
*/
crtc_state->vrr.vmax = cmrr_get_vtotal(crtc_state, false);
crtc_state->vrr.vmin = crtc_state->vrr.vmax;
crtc_state->vrr.flipline = crtc_state->vrr.vmin;
crtc_state->mode_flags |= I915_MODE_FLAG_VRR;
}
if (crtc_state->uapi.vrr_enabled)
intel_vrr_compute_vrr_timings(crtc_state);
else if (is_cmrr_frac_required(crtc_state) && is_edp)
intel_vrr_compute_cmrr_timings(crtc_state);
if (HAS_AS_SDP(display)) {
crtc_state->vrr.vsync_start =