drm/i915/vrr: Add helper to check if vrr possible

Add helper to check if vrr is possible based on flipline
is computed.

--v1:
return just flipline instead using ternary operator [Jonathan, Ville].

Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241010040503.1795399-2-mitulkumar.ajitkumar.golani@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 9a51f5bac3071a55069345ad031b0a0f15acd6b3..f65ebe2100471b7b9ff788f61ad43114bca8966e 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -56,6 +56,11 @@ bool intel_vrr_is_in_range(struct intel_connector *connector, int vrefresh)
                vrefresh <= info->monitor_range.max_vfreq;
 }
 
+bool intel_vrr_possible(const struct intel_crtc_state *crtc_state)
+{
+       return crtc_state->vrr.flipline;
+}
+
 void
 intel_vrr_check_modeset(struct intel_atomic_state *state)
 {
@@ -281,7 +286,7 @@ void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state)
                intel_de_rmw(display, CHICKEN_TRANS(cpu_transcoder),
                             0, PIPE_VBLANK_WITH_DELAY);
 
-       if (!crtc_state->vrr.flipline) {
+       if (!intel_vrr_possible(crtc_state)) {
                intel_de_write(display,
                               TRANS_VRR_CTL(display, cpu_transcoder), 0);
                return;

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h b/drivers/gpu/drm/i915/display/intel_vrr.h
index 89937858200d32a13a5bea77e44ee2053219ede8..af921dda4619d81198db6be99b2d63f97d6e73e4 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_vrr.h
+++ b/drivers/gpu/drm/i915/display/intel_vrr.h
@@ -15,6 +15,7 @@ struct intel_crtc_state;
 
 bool intel_vrr_is_capable(struct intel_connector *connector);
 bool intel_vrr_is_in_range(struct intel_connector *connector, int vrefresh);
+bool intel_vrr_possible(const struct intel_crtc_state *crtc_state);
 void intel_vrr_check_modeset(struct intel_atomic_state *state);
 void intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
                              struct drm_connector_state *conn_state);