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From: "José Roberto de Souza" <jose.souza@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v2 1/3] drm/i915/display: Ignore IGNORE_PSR2_HW_TRACKING for platforms without sel fetch
Date: Wed, 16 Sep 2020 10:11:03 -0700	[thread overview]
Message-ID: <20200916171105.23471-1-jose.souza@intel.com> (raw)

For platforms without selective fetch this register is reserved so
do not write 0 to it.

Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 8a9d0bdde1bf..4e09ae61d4aa 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -942,7 +942,7 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 		intel_de_write(dev_priv, EXITLINE(cpu_transcoder), val);
 	}
 
-	if (HAS_PSR_HW_TRACKING(dev_priv))
+	if (HAS_PSR_HW_TRACKING(dev_priv) && HAS_PSR2_SEL_FETCH(dev_priv))
 		intel_de_rmw(dev_priv, CHICKEN_PAR1_1, IGNORE_PSR2_HW_TRACKING,
 			     dev_priv->psr.psr2_sel_fetch_enabled ?
 			     IGNORE_PSR2_HW_TRACKING : 0);
-- 
2.28.0

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             reply	other threads:[~2020-09-16 17:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-16 17:11 José Roberto de Souza [this message]
2020-09-16 17:11 ` [Intel-gfx] [PATCH v2 2/3] drm/i915/display: Check PSR parameter and flag only in state compute phase José Roberto de Souza
2020-09-16 17:11 ` [Intel-gfx] [PATCH v2 3/3] drm/i915/display: Program PSR2 selective fetch registers José Roberto de Souza
2020-09-16 18:05 ` [Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [v2,1/3] drm/i915/display: Ignore IGNORE_PSR2_HW_TRACKING for platforms without sel fetch Patchwork

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