drm/i915/psr: disable psr2 for resolution greater than 32X20
authorNagaraju, Vathsala <vathsala.nagaraju@intel.com>
Thu, 25 May 2017 16:43:29 +0000 (22:13 +0530)
committerRodrigo Vivi <rodrigo.vivi@intel.com>
Tue, 30 May 2017 17:11:41 +0000 (10:11 -0700)
psr1 is also disabled for panel resolution  greater than 32X20.
Added psr2 check to disable only for psr2 panels having resolution
greater than 32X20.

issue was introduced by
commit-id : "acf45d11050abd751dcec986ab121cb2367dcbba"
commit message: "PSR2 is restricted to work with panel resolutions
upto 3200x2000, move the check to intel_psr_match_conditions and fully
block psr."

v2: (Rodrigo)
   Add previous commit details which introduced the issue

Fixes: acf45d11050a ("drm/i915/psr: disable psr2 for resolution greater than 32X20")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jim Bride <jim.bride@linux.intel.com>
Cc: Yaroslav Shabalin <yaroslav.shabalin@gmail.com>
Reported-by: Yaroslav Shabalin <yaroslav.shabalin@gmail.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: vathsala nagaraju <vathsala.nagaraju@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/49935bdff896ee3140bed471012b9f9110a863a4.1495729964.git.vathsala.nagaraju@intel.com
drivers/gpu/drm/i915/intel_psr.c

index c3780d0d2baf752ce9d590b6f6c8db67674ec745..559f1ab42bfc23e005020d9bb3cb88e0f0d57943 100644 (file)
@@ -435,8 +435,9 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp)
        }
 
        /* PSR2 is restricted to work with panel resolutions upto 3200x2000 */
-       if (intel_crtc->config->pipe_src_w > 3200 ||
-                               intel_crtc->config->pipe_src_h > 2000) {
+       if (dev_priv->psr.psr2_support &&
+           (intel_crtc->config->pipe_src_w > 3200 ||
+            intel_crtc->config->pipe_src_h > 2000)) {
                dev_priv->psr.psr2_support = false;
                return false;
        }