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b=MbZIpwkxe/TZ6nicS1svQeTt8aAnRlgtISsi+nndlShWCWBuchsPM9MQbkVw5s9ehy neXtewLHKjAvb3+eft3SEnYxB51YCWhkGecYjsfMY4SC0wEV26E/k0pdoqXxuHH+uZN4 +DWzlqerz0/498S7Gf0htIoA7FBE32Gikac1oHYCuQOG8ofD8KtwFr5j/Us4WNzlfrCX ykfgqUUHzLQuy808gDfJAodWnEVCBd3ozB8eDFxsdCkstH4NaTIlISJJGYcsqrjfN5nG bICFhJ6d43XME2wqd5hexHbY+LlRcOzDbgY3nyJr1+1oHnKbE1mSBYnFOavYsRIRd/rm b69Q== X-Gm-Message-State: AOJu0Yz9pgbfvf1jPkFVqSYN7AvbGGuivdbvFl4gNPO/F5vwhCt5zaQQ j5ViDxz7DVtMmr0J4rKCu9XKBgCFLAbuFtUATQkKyNSTPShdNC/v+OitdaO8iYwilU7CEEfSl2V cYiZIWVd42g== X-Google-Smtp-Source: AGHT+IE9OvhFws010e2ne69d30ZH4LLamrT1DYOdh40Fj0M1L/BfU/9QYgsVvgd/OGJebKb8iXxYPr0SmhAS1g== X-Received: from szatan.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:2d83]) (user=panikiel job=sendgmr) by 2002:a05:600c:6002:b0:410:e190:b1b3 with SMTP id az2-20020a05600c600200b00410e190b1b3mr5577wmb.4.1707743668739; Mon, 12 Feb 2024 05:14:28 -0800 (PST) Date: Mon, 12 Feb 2024 13:13:19 +0000 In-Reply-To: <20240212131323.2162161-1-panikiel@google.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240212131323.2162161-1-panikiel@google.com> X-Mailer: git-send-email 2.43.0.687.g38aa6559b0-goog Message-ID: <20240212131323.2162161-6-panikiel@google.com> Subject: [PATCH 5/9] drm/display: Add mask definitions for DP_PAYLOAD_ALLOCATE_* registers From: " =?utf-8?q?Pawe=C5=82_Anikiel?= " To: airlied@gmail.com, akpm@linux-foundation.org, conor+dt@kernel.org, daniel@ffwll.ch, dinguyen@kernel.org, hverkuil-cisco@xs4all.nl, krzysztof.kozlowski+dt@linaro.org, maarten.lankhorst@linux.intel.com, mchehab@kernel.org, mripard@kernel.org, robh+dt@kernel.org, tzimmermann@suse.de Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, chromeos-krk-upstreaming@google.com, ribalda@chromium.org, " =?utf-8?q?Pa?= =?utf-8?q?we=C5=82_Anikiel?= " Each of these registers contains a single value, but not the entire 8 bits: DP_PAYLOAD_ALLOCATE_SET - Bit 7 Reserved DP_PAYLOAD_ALLOCATE_START_TIME_SLOT - Bits 7:6 Reserved DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT - Bits 7:6 Reserved Add definitions to properly mask off values read from these registers. Signed-off-by: Paweł Anikiel --- include/drm/display/drm_dp.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index 3731828825bd..9dee30190f14 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -733,8 +733,13 @@ # define DP_PANEL_REPLAY_SU_ENABLE (1 << 6) #define DP_PAYLOAD_ALLOCATE_SET 0x1c0 -#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1 -#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2 +# define DP_PAYLOAD_ALLOCATE_SET_MASK 0x7f + +#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1 +# define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT_MASK 0x3f + +#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2 +# define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT_MASK 0x3f /* Link/Sink Device Status */ #define DP_SINK_COUNT 0x200