lkml.org 
[lkml]   [2018]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH AUTOSEL for 4.9 083/293] drm/mgag200: Fix to always set HiPri for G200e4 V2
    Date
    From: Mathieu Larouche <mathieu.larouche@matrox.com>

    [ Upstream commit 0cbb738108927916a659b5b0b96e386fcd7cc6e1 ]

    - Changed the HiPri value for G200e4 to always be 0.
    - Added Bandwith limitation to block resolution above 1920x1200x60Hz

    Signed-off-by: Mathieu Larouche <mathieu.larouche@matrox.com>
    Acked-by: Dave Airlie <airlied@redhat.com>
    [seanpaul removed some trailing whitespace from the patch]
    Signed-off-by: Sean Paul <seanpaul@chromium.org>
    Link: http://patchwork.freedesktop.org/patch/msgid/ec0f8568d7ec41904dfe593c5deccf3f062d7bd8.1497450944.git.mathieu.larouche@matrox.com
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    ---
    drivers/gpu/drm/mgag200/mgag200_mode.c | 9 ++++++++-
    1 file changed, 8 insertions(+), 1 deletion(-)

    diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
    index 6b21cb27e1cc..e27ae5437089 100644
    --- a/drivers/gpu/drm/mgag200/mgag200_mode.c
    +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
    @@ -1133,7 +1133,10 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,


    if (IS_G200_SE(mdev)) {
    - if (mdev->unique_rev_id >= 0x02) {
    + if (mdev->unique_rev_id >= 0x04) {
    + WREG8(MGAREG_CRTCEXT_INDEX, 0x06);
    + WREG8(MGAREG_CRTCEXT_DATA, 0);
    + } else if (mdev->unique_rev_id >= 0x02) {
    u8 hi_pri_lvl;
    u32 bpp;
    u32 mb;
    @@ -1598,6 +1601,10 @@ static int mga_vga_mode_valid(struct drm_connector *connector,
    if (mga_vga_calculate_mode_bandwidth(mode, bpp)
    > (30100 * 1024))
    return MODE_BANDWIDTH;
    + } else {
    + if (mga_vga_calculate_mode_bandwidth(mode, bpp)
    + > (55000 * 1024))
    + return MODE_BANDWIDTH;
    }
    } else if (mdev->type == G200_WB) {
    if (mode->hdisplay > 1280)
    --
    2.15.1
    \
     
     \ /
      Last update: 2018-04-09 02:29    [W:4.472 / U:0.128 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site