In fact, apply the Cannonlake resolution check for all > Gen-9 platforms to
be safe.

Cc: Rodrigo Vivi <[email protected]>
Cc: Elio Martinez Monroy <[email protected]>
Signed-off-by: Dhinakaran Pandiyan <[email protected]>
---
 drivers/gpu/drm/i915/intel_psr.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 05770790a4e9..2a2c696c4109 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -451,8 +451,8 @@ static bool intel_psr2_config_valid(struct intel_dp 
*intel_dp,
 {
        struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
        struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
-       const struct drm_display_mode *adjusted_mode =
-               &crtc_state->base.adjusted_mode;
+       int crtc_h = crtc_state->base.adjusted_mode.crtc_hdisplay;
+       int crtc_v = crtc_state->base.adjusted_mode.crtc_vdisplay;
 
        /*
         * FIXME psr2_support is messed up. It's both computed
@@ -462,9 +462,10 @@ static bool intel_psr2_config_valid(struct intel_dp 
*intel_dp,
        if (!dev_priv->psr.psr2_support)
                return false;
 
-       /* PSR2 is restricted to work with panel resolutions up to 3640x2304 */
-       if (adjusted_mode->crtc_hdisplay > 3640 ||
-           adjusted_mode->crtc_vdisplay > 2304) {
+       if (crtc_h > 4096 || crtc_v > 2304) {
+               DRM_DEBUG_KMS("PSR2 not enabled, panel resolution too big\n");
+               return false;
+       } else if (IS_GEN9(dev_priv) && (crtc_h > 3640 || crtc_v > 2304)) {
                DRM_DEBUG_KMS("PSR2 not enabled, panel resolution too big\n");
                return false;
        }
-- 
2.14.1

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