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b=FfNyEf8kzjdE7I5RL8A1jNIzc8asjJ0QR1knmWRRF17X7RRed62mfA2U2ZqSKdHCYb dhx5PUjWKPVsZjn4Je3S8fturf/AP+TdlyyBSVl3y5PX2neWciw+Ci29TZyY9IxNgDmu yvPhuGw55f3meCARkTlA0XX0ijB+kYwbARxdS7Vz8d6KBomM7Ys+EHqhpBzUNhlyEvd2 4RgUcldd9Fn/NxkAo7pzibvohdqupo6qRtva1WdvlXTDbmMfPgw2fL1OCp/4n68Q+1G2 zS6DXJ7MGSpXrUOQNT+GfZZqu/Q6z8rHjJrO42NqX6WNmjhC28QVrEPX+FbeUsSHuOHH EILA== X-Forwarded-Encrypted: i=1; AJvYcCX+fFOQ5nNoul2595r7d/nWu+BZH2EynoCyiSm+w0dZC2/ID3+Q+ddZ//ReUaNWzygKQpPt6o1TtT9vy4h6YKcX9aqEQv5ZyLb+0D4= X-Gm-Message-State: AOJu0Yx5Jr+zWH313IjacKusXNBTNL1yyTvKlxnzWvlHmcNdsjK1Ioth 0RGFKWGcTbOJ+OgKQgMgfqK7As7ttp8hOv3hVFFWdMZr3SLipvCDvBXhzzy2OKgZLCGEghtxwkg HPF8E/epYew== X-Google-Smtp-Source: AGHT+IGyGabF+LHiG1n4tuK6dy+R8/udpYeRM3SpXuvYBxKMLaSa38Huig22OKd177ctxAO306bDTgPWtaTLDQ== X-Received: from szatan.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:2d83]) (user=panikiel job=sendgmr) by 2002:a05:600c:a399:b0:411:efec:cf6d with SMTP id hn25-20020a05600ca39900b00411efeccf6dmr101907wmb.3.1708531360602; Wed, 21 Feb 2024 08:02:40 -0800 (PST) Date: Wed, 21 Feb 2024 16:02:11 +0000 In-Reply-To: <20240221160215.484151-1-panikiel@google.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240221160215.484151-1-panikiel@google.com> X-Mailer: git-send-email 2.44.0.rc0.258.g7320e95886-goog Message-ID: <20240221160215.484151-6-panikiel@google.com> Subject: [PATCH v2 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