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From: Anshuman Gupta <anshuman.gupta@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Subject: [Intel-gfx] [PATCH] drm/i915: Enable non-contiguous pipe fusing
Date: Wed, 11 Mar 2020 14:06:32 +0530	[thread overview]
Message-ID: <20200311083632.3249-1-anshuman.gupta@intel.com> (raw)

Allow 3-display pipes SKU system with any combination
in INTEL_INFO pipe mask.
B.Spec:50075

changes since RFC:
- using intel_pipe_mask_is_valid() function to check integrity of
  pipe_mask. [Ville]
v2:
- simplify condition in intel_pipe_mask_is_valid(). [Ville]
v3:
- removed non-contiguous pipe fusing check. [Lucas]

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
 drivers/gpu/drm/i915/intel_device_info.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index d7fe12734db8..9ff89e142ff1 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -998,17 +998,7 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
 		    (dfsm & TGL_DFSM_PIPE_D_DISABLE))
 			enabled_mask &= ~BIT(PIPE_D);
 
-		/*
-		 * At least one pipe should be enabled and if there are
-		 * disabled pipes, they should be the last ones, with no holes
-		 * in the mask.
-		 */
-		if (enabled_mask == 0 || !is_power_of_2(enabled_mask + 1))
-			drm_err(&dev_priv->drm,
-				"invalid pipe fuse configuration: enabled_mask=0x%x\n",
-				enabled_mask);
-		else
-			info->pipe_mask = enabled_mask;
+		info->pipe_mask = enabled_mask;
 
 		if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
 			info->display.has_hdcp = 0;
-- 
2.25.1

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             reply	other threads:[~2020-03-11  8:48 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-11  8:36 Anshuman Gupta [this message]
2020-03-11 10:02 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915: Enable non-contiguous pipe fusing Patchwork
2020-03-12 11:08   ` Anshuman Gupta
2020-03-12 11:39     ` Vudum, Lakshminarayana
2020-03-12 11:29 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-03-13  4:47 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-03-13  7:39 ` [Intel-gfx] [PATCH] " Lucas De Marchi
2020-03-18 16:48   ` Ville Syrjälä
2020-03-19  7:53     ` Anshuman Gupta
2020-03-19 16:06       ` Ville Syrjälä
2020-03-18  9:44 ` [Intel-gfx] [PATCH v3] " Anshuman Gupta
2020-03-18 10:22   ` Shankar, Uma

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