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    Subject[ 19/46] drm/radeon: fix bank tiling parameters on evergreen
    Date
    From: Greg KH <gregkh@linuxfoundation.org>

    3.5-stable review patch. If anyone has any objections, please let me know.

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

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

    commit c8d15edc17d836686d1f071e564800e1a2724fa6 upstream.

    Handle the 16 bank case.

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/radeon/evergreen.c | 14 +++++++++++---
    1 file changed, 11 insertions(+), 3 deletions(-)

    --- a/drivers/gpu/drm/radeon/evergreen.c
    +++ b/drivers/gpu/drm/radeon/evergreen.c
    @@ -1801,10 +1801,18 @@ static void evergreen_gpu_init(struct ra
    if (rdev->flags & RADEON_IS_IGP)
    rdev->config.evergreen.tile_config |= 1 << 4;
    else {
    - if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
    - rdev->config.evergreen.tile_config |= 1 << 4;
    - else
    + switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
    + case 0: /* four banks */
    rdev->config.evergreen.tile_config |= 0 << 4;
    + break;
    + case 1: /* eight banks */
    + rdev->config.evergreen.tile_config |= 1 << 4;
    + break;
    + case 2: /* sixteen banks */
    + default:
    + rdev->config.evergreen.tile_config |= 2 << 4;
    + break;
    + }
    }
    rdev->config.evergreen.tile_config |= 0 << 8;
    rdev->config.evergreen.tile_config |=



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