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    Subject[PATCH 3.4 161/214] drm/radeon: fix amd afusion gpu setup aka sumo v2
    Date
    3.4-stable review patch.  If anyone has any objections, please let me know.

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

    From: Jerome Glisse <jglisse@redhat.com>

    commit bd25f0783dc3fb72e1e2779c2b99b2d34b67fa8a upstream.

    Set the proper number of tile pipe that should be a multiple of
    pipe depending on the number of se engine.

    Fix:
    https://bugs.freedesktop.org/show_bug.cgi?id=56405
    https://bugs.freedesktop.org/show_bug.cgi?id=56720

    v2: Don't change sumo2

    Signed-off-by: Jerome Glisse <jglisse@redhat.com>
    Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
    [bwh: Backported to 3.2: don't define/use *_GB_ADDR_CONFIG_GOLDEN]
    Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
    Cc: Weng Meiling <wengmeiling.weng@huawei.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/radeon/evergreen.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- a/drivers/gpu/drm/radeon/evergreen.c
    +++ b/drivers/gpu/drm/radeon/evergreen.c
    @@ -1874,7 +1874,7 @@ static void evergreen_gpu_init(struct ra
    case CHIP_SUMO:
    rdev->config.evergreen.num_ses = 1;
    rdev->config.evergreen.max_pipes = 4;
    - rdev->config.evergreen.max_tile_pipes = 2;
    + rdev->config.evergreen.max_tile_pipes = 4;
    if (rdev->pdev->device == 0x9648)
    rdev->config.evergreen.max_simds = 3;
    else if ((rdev->pdev->device == 0x9647) ||
    @@ -1963,7 +1963,7 @@ static void evergreen_gpu_init(struct ra
    break;
    case CHIP_CAICOS:
    rdev->config.evergreen.num_ses = 1;
    - rdev->config.evergreen.max_pipes = 4;
    + rdev->config.evergreen.max_pipes = 2;
    rdev->config.evergreen.max_tile_pipes = 2;
    rdev->config.evergreen.max_simds = 2;
    rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;



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