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    Subject[PATCH 064/104] drm/edid: add quirk for Medion MD30217PG
    Date
    3.5.7.22 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Alex Deucher <alexander.deucher@amd.com>

    commit 118bdbd86b39dbb843155054021d2c59058f1e05 upstream.

    This LCD monitor (1280x1024 native) has a completely
    bogus detailed timing (640x350@70hz). User reports that
    1280x1024@60 has waves so prefer 1280x1024@75.

    Manufacturer: MED Model: 7b8 Serial#: 99188
    Year: 2005 Week: 5
    EDID Version: 1.3
    Analog Display Input, Input Voltage Level: 0.700/0.700 V
    Sync: Separate
    Max Image Size [cm]: horiz.: 34 vert.: 27
    Gamma: 2.50
    DPMS capabilities: Off; RGB/Color Display
    First detailed timing is preferred mode
    redX: 0.645 redY: 0.348 greenX: 0.280 greenY: 0.605
    blueX: 0.142 blueY: 0.071 whiteX: 0.313 whiteY: 0.329
    Supported established timings:
    720x400@70Hz
    640x480@60Hz
    640x480@72Hz
    640x480@75Hz
    800x600@56Hz
    800x600@60Hz
    800x600@72Hz
    800x600@75Hz
    1024x768@60Hz
    1024x768@70Hz
    1024x768@75Hz
    1280x1024@75Hz
    Manufacturer's mask: 0
    Supported standard timings:
    Supported detailed timing:
    clock: 25.2 MHz Image Size: 337 x 270 mm
    h_active: 640 h_sync: 688 h_sync_end 784 h_blank_end 800 h_border: 0
    v_active: 350 v_sync: 350 v_sync_end 352 v_blanking: 449 v_border: 0
    Monitor name: MD30217PG
    Ranges: V min: 56 V max: 76 Hz, H min: 30 H max: 83 kHz, PixClock max 145 MHz
    Serial No: 501099188
    EDID (in hex):
    00ffffffffffff0034a4b80774830100
    050f010368221b962a0c55a559479b24
    125054afcf00310a0101010101018180
    000000000000d60980a0205e63103060
    0200510e1100001e000000fc004d4433
    3032313750470a202020000000fd0038
    4c1e530e000a202020202020000000ff
    003530313039393138380a2020200078

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Reported-by: friedrich@mailstation.de
    [ luis: backported to 3.5: adjusted context ]
    Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
    ---
    drivers/gpu/drm/drm_edid.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
    index c674823..bdbc6a2 100644
    --- a/drivers/gpu/drm/drm_edid.c
    +++ b/drivers/gpu/drm/drm_edid.c
    @@ -125,6 +125,9 @@ static struct edid_quirk {

    /* ViewSonic VA2026w */
    { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
    +
    + /* Medion MD 30217 PG */
    + { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
    };

    /*** DDC fetch and block validation ***/
    --
    1.8.3.2


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