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Lin" , Singo Chang , Nancy Lin , Shawn Sung , , , , , Subject: [PATCH RESEND v4 0/2] Fix OVL iommu fault in cursor plane Date: Mon, 7 Aug 2023 09:51:08 +0800 Message-ID: <20230807015110.30579-1-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230806_185158_037971_B95C61F8 X-CRM114-Status: UNSURE ( 6.20 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fix some IGT tests fail at iommu fault in OVL cursor plane. Change in RESEND v4 : 1. Remove redundant plane_state assigning. Change in v4: 1. Change disable all layer method to update mtk_plane_state stored in mtk_crtc by drm_atomic_state from mtk_drm_crtc_atomic_enable(). Change in v3: 1. Add Fixes tag before s.o.b. Change in v2: 1. Add Fixes tag. Jason-JH.Lin (2): drm/mediatek: Fix iommu fault by swapping FBs after updating plane state drm/mediatek: Fix iommu fault during crtc enabling drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 14 ++++++++++---- drivers/gpu/drm/mediatek/mtk_drm_plane.c | 13 +++++++++---- drivers/gpu/drm/mediatek/mtk_drm_plane.h | 2 ++ 3 files changed, 21 insertions(+), 8 deletions(-)