drm/i915/psr: HSW/BDW have no PSR2

Deal with HSW/BDW in transcoder_has_psr2().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-7-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 897d4f92ab68ee207b16bd19b1aeb54cbbb7d080..24ab98d656c3b0f2628b5f2d985a0be1d47a3bd1 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -797,8 +797,10 @@ transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder cpu_trans
                return cpu_transcoder == TRANSCODER_A || cpu_transcoder == TRANSCODER_B;
        else if (DISPLAY_VER(dev_priv) >= 12)
                return cpu_transcoder == TRANSCODER_A;
-       else
+       else if (DISPLAY_VER(dev_priv) >= 9)
                return cpu_transcoder == TRANSCODER_EDP;
+       else
+               return false;
 }
 
 static u32 intel_get_frame_time_us(const struct intel_crtc_state *cstate)