linux-kernel - [PATCH v3 3/3] drm/i915/gt: Force reduced batch size if new QUIRK_RENDERCLEAR

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Date:   Sun,  1 Nov 2020 10:41:32 -0700
From:   rwright@....com
To:     jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, airlied@...ux.ie, daniel@...ll.ch,
        sumit.semwal@...aro.org, christian.koenig@....com,
        hdegoede@...hat.com, wambui.karugax@...il.com,
        chris@...is-wilson.co.uk, matthew.auld@...el.com,
        akeem.g.abodunrin@...el.com, prathap.kumar.valsan@...el.com,
        mika.kuoppala@...ux.intel.com, rwright@....com
Cc:     intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org
Subject: [PATCH v3 3/3] drm/i915/gt: Force reduced batch size if new QUIRK_RENDERCLEAR_REDUCED is set.

From: Randy Wright <rwright@....com>

In function batch_get_defaults, the smaller batch size
will be selected if QUIRK_RENDERCLEAR_REDUCED is set.

Signed-off-by: Randy Wright <rwright@....com>
---
 drivers/gpu/drm/i915/gt/gen7_renderclear.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/gen7_renderclear.c b/drivers/gpu/drm/i915/gt/gen7_renderclear.c
index d93d85cd3027..e5265cdf696b 100644
--- a/drivers/gpu/drm/i915/gt/gen7_renderclear.c
+++ b/drivers/gpu/drm/i915/gt/gen7_renderclear.c
@@ -49,7 +49,7 @@ struct batch_vals {
 static void
 batch_get_defaults(struct drm_i915_private *i915, struct batch_vals *bv)
 {
-	if (IS_HASWELL(i915)) {
+	if (IS_HASWELL(i915) && !(i915->quirks & QUIRK_RENDERCLEAR_REDUCED)) {
 		bv->max_primitives = 280;
 		bv->max_urb_entries = MAX_URB_ENTRIES;
 		bv->surface_height = 16 * 16;
-- 
2.25.1