| Message ID | 1436227898-26564-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 9872ba9..2ffeda3 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1526,6 +1526,11 @@ static int mga_vga_mode_valid(struct drm_connector *connector, return MODE_BANDWIDTH; } + if ((mode->hdisplay % 8) != 0 || (mode->hsync_start % 8) != 0 || + (mode->hsync_end % 8) != 0 || (mode->htotal % 8) != 0) { + return MODE_H_ILLEGAL; + } + if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 || mode->crtc_hsync_end > 4096 || mode->crtc_htotal > 4096 || mode->crtc_vdisplay > 2048 || mode->crtc_vsync_start > 4096 ||
This is a note to let you know that I have just added a patch titled drm/mgag200: Reject non-character-cell-aligned mode widths to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue This patch is scheduled to be released in version 3.19.8-ckt3. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.19.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From c269dcb6ff5241f5a19ea8216cde9d588f1bcb46 Mon Sep 17 00:00:00 2001 From: Adam Jackson <ajax@redhat.com> Date: Mon, 15 Jun 2015 16:16:15 -0400 Subject: drm/mgag200: Reject non-character-cell-aligned mode widths commit 25161084b1c1b0c29948f6f77266a35f302196b7 upstream. Turns out 1366x768 does not in fact work on this hardware. Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/gpu/drm/mgag200/mgag200_mode.c | 5 +++++ 1 file changed, 5 insertions(+) -- 1.9.1