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drm/mgag200: Fix to always set HiPri for G200e4 V2

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- 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
This commit is contained in:
Mathieu Larouche 2017-06-14 10:39:42 -04:00 committed by Sean Paul
parent d6c153ec85
commit 0cbb738108
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/mgag200/mgag200_mode.c
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@ -1173,7 +1173,10 @@ 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;
@ -1639,6 +1642,10 @@ 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)