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From: Ville Syrjala <ville.syrjala@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 5/9] drm/i915: Make sure cursor has enough ddb for the selected wm level
Date: Tue, 12 Mar 2019 22:58:40 +0200	[thread overview]
Message-ID: <20190312205844.6339-6-ville.syrjala@linux.intel.com> (raw)
In-Reply-To: <20190312205844.6339-1-ville.syrjala@linux.intel.com>

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

We use a fixed ddb allocation for the cursor. Now the calculation
actually makes sure we have enough ddb space, but let's double check
anyway.

Cc: Neel Desai <neel.desai@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ae9a0ce4dcb9..c866663b31bc 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4393,10 +4393,17 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
 	for (level = ilk_wm_max_level(dev_priv); level >= 0; level--) {
 		blocks = 0;
 		for_each_plane_id_on_crtc(intel_crtc, plane_id) {
-			if (plane_id == PLANE_CURSOR)
+			wm = &cstate->wm.skl.optimal.planes[plane_id];
+
+			if (plane_id == PLANE_CURSOR) {
+				if (WARN_ON(wm->wm[level].min_ddb_alloc >
+					    total[PLANE_CURSOR])) {
+					blocks = U32_MAX;
+					break;
+				}
 				continue;
+			}
 
-			wm = &cstate->wm.skl.optimal.planes[plane_id];
 			blocks += wm->wm[level].min_ddb_alloc;
 			blocks += wm->uv_wm[level].min_ddb_alloc;
 		}
-- 
2.19.2

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  parent reply	other threads:[~2019-03-12 20:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-12 20:58 [PATCH 0/9] skl+ cursor DDB allocation fixes Ville Syrjala
2019-03-12 20:58 ` [PATCH 1/9] drm/i915: Accept alloc_size == blocks Ville Syrjala
2019-03-12 20:58 ` [PATCH 2/9] drm/i915: Don't pass plane state to skl_compute_plane_wm() Ville Syrjala
2019-03-12 20:58 ` [PATCH 3/9] drm/i915: Extract skl_compute_wm_params() Ville Syrjala
2019-03-12 20:58 ` [PATCH 4/9] drm/i915: Allocate enough DDB for the cursor Ville Syrjala
2019-03-19 10:51   ` Ville Syrjälä
2019-03-19 16:03   ` [PATCH v2 " Ville Syrjala
2019-03-12 20:58 ` Ville Syrjala [this message]
2019-03-12 20:58 ` [PATCH 6/9] drm/i915: Keep plane watermarks enabled more aggressively Ville Syrjala
2019-03-19  0:09   ` Matt Roper
2019-03-12 20:58 ` [PATCH 7/9] drm/i915: Move some variables to tighter scope Ville Syrjala
2019-03-19  0:10   ` Matt Roper
2019-03-20 15:27     ` Ville Syrjälä
2019-03-12 20:58 ` [PATCH 8/9] drm/i915: Don't pass pipe_wm around so much Ville Syrjala
2019-03-19  0:10   ` Matt Roper
2019-03-12 20:58 ` [PATCH 9/9] drm/i915: Inline skl_build_pipe_wm() into its only caller Ville Syrjala
2019-03-19  0:11   ` Matt Roper
2019-03-19 10:49     ` Ville Syrjälä
2019-03-13 15:34 ` ✗ Fi.CI.SPARSE: warning for skl+ cursor DDB allocation fixes Patchwork
2019-03-13 16:15 ` ✓ Fi.CI.BAT: success " Patchwork
2019-03-13 20:41 ` ✗ Fi.CI.IGT: failure " Patchwork
2019-03-14 17:11   ` Ville Syrjälä
2019-03-19 16:41 ` ✗ Fi.CI.SPARSE: warning for skl+ cursor DDB allocation fixes (rev2) Patchwork
2019-03-19 17:14 ` ✓ Fi.CI.BAT: success " Patchwork
2019-03-20  2:41 ` ✓ Fi.CI.IGT: " Patchwork

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