linux-kernel - [RFC PATCH 4/4] drm/panfrost: Set HW_FEATURE_AARCH64

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Message-ID: <20250226183043.140773-5-ariel.dalessandro@collabora.com>
Date: Wed, 26 Feb 2025 15:30:43 -0300
From: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
To: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Cc: boris.brezillon@...labora.com,
	robh@...nel.org,
	steven.price@....com,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch,
	Ariel D'Alessandro <ariel.dalessandro@...labora.com>
Subject: [RFC PATCH 4/4] drm/panfrost: Set HW_FEATURE_AARCH64_MMU feature flag on Bifrost models

Mali Bifrost MMU support AArch64 4kB page tables. This feature is in
panfrost based the HW_FEATURE_AARCH64_MMU feature flag.

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
---
 drivers/gpu/drm/panfrost/panfrost_features.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/panfrost/panfrost_features.h b/drivers/gpu/drm/panfrost/panfrost_features.h
index 7ed0cd3ea2d4..52f9d69f6db9 100644
--- a/drivers/gpu/drm/panfrost/panfrost_features.h
+++ b/drivers/gpu/drm/panfrost/panfrost_features.h
@@ -54,6 +54,7 @@ enum panfrost_hw_feature {
 	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
 	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
+	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
 	BIT_ULL(HW_FEATURE_COHERENCY_REG))
 
 #define hw_features_g72 (\
@@ -64,6 +65,7 @@ enum panfrost_hw_feature {
 	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
+	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
 	BIT_ULL(HW_FEATURE_COHERENCY_REG))
 
 #define hw_features_g51 hw_features_g72
@@ -77,6 +79,7 @@ enum panfrost_hw_feature {
 	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
 	BIT_ULL(HW_FEATURE_IDVS_GROUP_SIZE) | \
+	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
 	BIT_ULL(HW_FEATURE_COHERENCY_REG))
 
 #define hw_features_g76 (\
-- 
2.47.2