From: Randy Wright <rwri...@hpe.com>

Added function quirk_renderclear_reduced to set QUIRK_RENDERCLEAR_REDUCED
for designated platforms.  Applying QUIRK_RENDERCLEAR_REDUCED for
the HP Pavilion Mini 300-020 prevents a GPU hang.

Signed-off-by: Randy Wright <rwri...@hpe.com>
---
 drivers/gpu/drm/i915/display/intel_quirks.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c 
b/drivers/gpu/drm/i915/display/intel_quirks.c
index 46beb155d835..630b984ba49c 100644
--- a/drivers/gpu/drm/i915/display/intel_quirks.c
+++ b/drivers/gpu/drm/i915/display/intel_quirks.c
@@ -53,6 +53,16 @@ static void quirk_increase_ddi_disabled_time(struct 
drm_i915_private *i915)
        drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n");
 }
 
+/*
+ * Force use of smaller batch size in gen7_renderclear.c
+ * Needed on (at least) HP Pavilion Mini 300-020 to avoid GPU hang.
+ */
+static void quirk_renderclear_reduced(struct drm_i915_private *i915)
+{
+       i915->quirks |= QUIRK_RENDERCLEAR_REDUCED;
+       drm_info(&i915->drm, "Applying Renderclear Reduced quirk\n");
+}
+
 struct intel_quirk {
        int device;
        int subsystem_vendor;
@@ -141,6 +151,9 @@ static struct intel_quirk intel_quirks[] = {
        /* HP Chromebook 14 (Celeron 2955U) */
        { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
 
+       /* HP Mini 300-020 */
+       { 0x0a06, 0x103c, 0x2b38, quirk_renderclear_reduced },
+
        /* Dell Chromebook 11 */
        { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
 
-- 
2.25.1

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