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From: Stuart Summers <stuart.summers@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH] drm/i915: Do not initialize display BW when display not available
Date: Tue, 19 Nov 2019 17:10:16 -0800	[thread overview]
Message-ID: <20191120011016.18049-1-stuart.summers@intel.com> (raw)

When display is not available, finding the memory bandwidth available
for display is not useful. Skip this sequence here.

References: HSDES 1209978255

Signed-off-by: Stuart Summers <stuart.summers@intel.com>
---
 drivers/gpu/drm/i915/display/intel_bw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 3f6e29f61323..86e75e858008 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -264,6 +264,9 @@ static unsigned int icl_max_bw(struct drm_i915_private *dev_priv,
 
 void intel_bw_init_hw(struct drm_i915_private *dev_priv)
 {
+	if (!HAS_DISPLAY(dev_priv))
+		return;
+
 	if (IS_GEN(dev_priv, 12))
 		icl_get_bw_info(dev_priv, &tgl_sa_info);
 	else if (IS_GEN(dev_priv, 11))
-- 
2.22.0

_______________________________________________
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Stuart Summers <stuart.summers@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH] drm/i915: Do not initialize display BW when display not available
Date: Tue, 19 Nov 2019 17:10:16 -0800	[thread overview]
Message-ID: <20191120011016.18049-1-stuart.summers@intel.com> (raw)
Message-ID: <20191120011016.rThXrkgbLn84af5_a92k6-mq9XRH9-_kAa5pLN2Pt4g@z> (raw)

When display is not available, finding the memory bandwidth available
for display is not useful. Skip this sequence here.

References: HSDES 1209978255

Signed-off-by: Stuart Summers <stuart.summers@intel.com>
---
 drivers/gpu/drm/i915/display/intel_bw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 3f6e29f61323..86e75e858008 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -264,6 +264,9 @@ static unsigned int icl_max_bw(struct drm_i915_private *dev_priv,
 
 void intel_bw_init_hw(struct drm_i915_private *dev_priv)
 {
+	if (!HAS_DISPLAY(dev_priv))
+		return;
+
 	if (IS_GEN(dev_priv, 12))
 		icl_get_bw_info(dev_priv, &tgl_sa_info);
 	else if (IS_GEN(dev_priv, 11))
-- 
2.22.0

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

             reply	other threads:[~2019-11-20  1:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-20  1:10 Stuart Summers [this message]
2019-11-20  1:10 ` [Intel-gfx] [PATCH] drm/i915: Do not initialize display BW when display not available Stuart Summers
2019-11-20  2:27 ` ✓ Fi.CI.BAT: success for " Patchwork
2019-11-20  2:27   ` [Intel-gfx] " Patchwork
2019-11-20 10:28 ` [PATCH] " Ville Syrjälä
2019-11-20 10:28   ` [Intel-gfx] " Ville Syrjälä
2019-11-20 15:08   ` Summers, Stuart
2019-11-20 15:08     ` [Intel-gfx] " Summers, Stuart
2019-11-20 18:28 ` ✓ Fi.CI.IGT: success for " Patchwork
2019-11-20 18:28   ` [Intel-gfx] " Patchwork

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