Re: [PATCH v3 09/23] drm/i915/tgl: Add maximum resolution supported by PSR2 HW

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Validated with respect to B.Specs:49199 and 50422.

On 8/26/2019 10:40 PM, Lucas De Marchi wrote:
On Sat, Aug 24, 2019 at 04:36:52PM +0530, Anshuman Gupta wrote:
On 2019-08-23 at 01:20:41 -0700, Lucas De Marchi wrote:
From: José Roberto de Souza <jose.souza@xxxxxxxxx>

TGL PSR2 HW supports a bigger resolution, so lets add it

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Reviewed-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index c33aa16ed038..5d24f1c47a2b 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -570,7 +570,10 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
         return false;
     }

-    if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
+    if (INTEL_GEN(dev_priv) >= 12) {
As per B.Specs:28692 on few Gen11 platform, PSR2 supports max resolution of 5120X3200.
Do we need to handle those Gen11 platform here?

the only thing I see there for gen11 is:

     "PSR2 maximum pipe horizontal active size 4096 pixels."

Lucas De Marchi

+        psr_max_h = 5120;
+        psr_max_v = 3200;
+    } else if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
         psr_max_h = 4096;
         psr_max_v = 2304;
     } else if (IS_GEN(dev_priv, 9)) {
--
2.23.0

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