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From: Anshuman Gupta <anshuman.gupta@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: jani.nikula@intel.com
Subject: [Intel-gfx] [PATCH v2 6/7] drm/i915: Add WARN_ON in intel_get_crtc_for_pipe()
Date: Tue, 11 Feb 2020 22:55:31 +0530	[thread overview]
Message-ID: <20200211172532.14287-7-anshuman.gupta@intel.com> (raw)
In-Reply-To: <20200211172532.14287-1-anshuman.gupta@intel.com>

Add a WARN_ON for a disabled pipe in pipe_mask at
intel_get_crtc_for_pipe() function.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_types.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 359eaa6703a8..4c674a41ba8b 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1412,6 +1412,8 @@ intel_get_first_crtc(struct drm_i915_private *dev_priv)
 static inline struct intel_crtc *
 intel_get_crtc_for_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
 {
+	/* pipe_to_crtc_mapping may have hole on any of 3 display pipe system */
+	WARN_ON(!(INTEL_INFO(dev_priv)->pipe_mask & BIT(pipe)));
 	return dev_priv->pipe_to_crtc_mapping[pipe];
 }
 
-- 
2.24.0

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  parent reply	other threads:[~2020-02-11 17:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-11 17:25 [Intel-gfx] [PATCH v2 0/7] 3 display pipes combination system support Anshuman Gupta
2020-02-11 17:25 ` [Intel-gfx] [PATCH v2 1/7] drm/i915: Iterate over pipe and skip the disabled one Anshuman Gupta
2020-02-12 13:50   ` Ville Syrjälä
2020-02-18 16:41     ` Anshuman Gupta
2020-02-11 17:25 ` [Intel-gfx] [PATCH v2 2/7] drm/i915: Remove (pipe == crtc->index) assumption Anshuman Gupta
2020-02-20 17:12   ` Ville Syrjälä
2020-02-11 17:25 ` [Intel-gfx] [PATCH v2 3/7] drm/i915: Fix broken transcoder err state Anshuman Gupta
2020-02-20 17:16   ` Ville Syrjälä
2020-02-20 20:02     ` Ville Syrjälä
2020-02-11 17:25 ` [Intel-gfx] [PATCH v2 4/7] drm/i915: Fix wrongly populated plane possible_crtcs bit mask Anshuman Gupta
2020-02-20 17:17   ` Ville Syrjälä
2020-02-11 17:25 ` [Intel-gfx] [PATCH v2 5/7] drm/i915: Get first crtc instead of PIPE_A crtc Anshuman Gupta
2020-02-17  5:22   ` Anshuman Gupta
2020-02-17 14:17     ` Ville Syrjälä
2020-02-18 11:57       ` Anshuman Gupta
2020-02-11 17:25 ` Anshuman Gupta [this message]
2020-02-11 17:25 ` [Intel-gfx] [PATCH v2 7/7] drm/i915: Fix broken num_entries in skl_ddb_allocation_overlaps Anshuman Gupta
2020-02-20 17:18   ` Ville Syrjälä
2020-02-12 20:31 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for 3 display pipes combination system support (rev3) Patchwork
2020-02-12 21:16 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-02-15 14:16 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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