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drm/qxl: fix cursor position with non-zero hotspot 

The SPICE protocol considers the position of a cursor to be the location
of its active pixel on the display, so the cursor is drawn with its
top-left corner at "(x - hot_spot_x, y - hot_spot_y)" but the DRM cursor
position gives the location where the top-left corner should be drawn,
with the hotspot being a hint for drivers that need it.

This fixes the location of the window resize cursors when using Fluxbox
with the QXL DRM driver and both the QXL and modesetting X drivers.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Link: http://patchwork.freedesktop.org/patch/msgid/1447845445-2116-1-git-send-email-john@metanate.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
hifive-unleashed-5.1
John Keeping 2015-11-18 11:17:25 +00:00 committed by Jani Nikula
parent f55532a0c0
commit d59a1f71ff
2 changed files with 11 additions and 4 deletions
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13
drivers/gpu/drm/qxl/qxl_display.c
View File

@ -375,10 +375,15 @@ static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
qxl_bo_kunmap(user_bo);
qcrtc->cur_x += qcrtc->hot_spot_x - hot_x;
qcrtc->cur_y += qcrtc->hot_spot_y - hot_y;
qcrtc->hot_spot_x = hot_x;
qcrtc->hot_spot_y = hot_y;
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_SET;
cmd->u.set.position.x = qcrtc->cur_x;
cmd->u.set.position.y = qcrtc->cur_y;
cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
@ -441,8 +446,8 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_MOVE;
cmd->u.position.x = qcrtc->cur_x;
cmd->u.position.y = qcrtc->cur_y;
cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);

2
drivers/gpu/drm/qxl/qxl_drv.h
View File

@ -135,6 +135,8 @@ struct qxl_crtc {
int index;
int cur_x;
int cur_y;
int hot_spot_x;
int hot_spot_y;
};
struct qxl_output {