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author | Daniel Vetter | 2019-02-14 14:07:17 +0100 |
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committer | Daniel Vetter | 2019-02-14 14:07:18 +0100 |
commit | 8d451a4b6e9f4b52ae3d4cafe17486d8d0c6afb0 (patch) | |
tree | 299ada5e68937f5f356974c49ae0b3e5c4145f05 /drivers/gpu/drm/drm_rect.c | |
parent | drm/virtio: do NOT reuse resource ids (diff) | |
parent | drm/komeda: fix build with drm_modeset_helper.h update (diff) | |
download | kernel-qcow2-linux-8d451a4b6e9f4b52ae3d4cafe17486d8d0c6afb0.tar.gz kernel-qcow2-linux-8d451a4b6e9f4b52ae3d4cafe17486d8d0c6afb0.tar.xz kernel-qcow2-linux-8d451a4b6e9f4b52ae3d4cafe17486d8d0c6afb0.zip |
Merge tag 'drm-misc-next-2019-02-11' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.1:
UAPI Changes:
- New fourcc for P010 and P016 formats
Cross-subsystem Changes:
Core Changes:
- Removal of drm_calc_{h,v}scale_relaxed
- A few fixes for DP-MST
Driver Changes:
- More drmP.h cleanups
- A bunch of vkms fixes
- Conversion of the Cadence DSI bridge and Allwinner DSI driver to the
generic phy MIPI-DPHY API
- New panel: Innolux EE101IA-01D
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190211095220.3oeodszr2dgxrwqq@flea
Diffstat (limited to 'drivers/gpu/drm/drm_rect.c')
-rw-r--r-- | drivers/gpu/drm/drm_rect.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c index 8c057829b804..66c41b12719c 100644 --- a/drivers/gpu/drm/drm_rect.c +++ b/drivers/gpu/drm/drm_rect.c @@ -208,114 +208,6 @@ int drm_rect_calc_vscale(const struct drm_rect *src, EXPORT_SYMBOL(drm_rect_calc_vscale); /** - * drm_calc_hscale_relaxed - calculate the horizontal scaling factor - * @src: source window rectangle - * @dst: destination window rectangle - * @min_hscale: minimum allowed horizontal scaling factor - * @max_hscale: maximum allowed horizontal scaling factor - * - * Calculate the horizontal scaling factor as - * (@src width) / (@dst width). - * - * If the calculated scaling factor is below @min_vscale, - * decrease the height of rectangle @dst to compensate. - * - * If the calculated scaling factor is above @max_vscale, - * decrease the height of rectangle @src to compensate. - * - * If the scale is below 1 << 16, round down. If the scale is above - * 1 << 16, round up. This will calculate the scale with the most - * pessimistic limit calculation. - * - * RETURNS: - * The horizontal scaling factor. - */ -int drm_rect_calc_hscale_relaxed(struct drm_rect *src, - struct drm_rect *dst, - int min_hscale, int max_hscale) -{ - int src_w = drm_rect_width(src); - int dst_w = drm_rect_width(dst); - int hscale = drm_calc_scale(src_w, dst_w); - - if (hscale < 0 || dst_w == 0) - return hscale; - - if (hscale < min_hscale) { - int max_dst_w = src_w / min_hscale; - - drm_rect_adjust_size(dst, max_dst_w - dst_w, 0); - - return min_hscale; - } - - if (hscale > max_hscale) { - int max_src_w = dst_w * max_hscale; - - drm_rect_adjust_size(src, max_src_w - src_w, 0); - - return max_hscale; - } - - return hscale; -} -EXPORT_SYMBOL(drm_rect_calc_hscale_relaxed); - -/** - * drm_rect_calc_vscale_relaxed - calculate the vertical scaling factor - * @src: source window rectangle - * @dst: destination window rectangle - * @min_vscale: minimum allowed vertical scaling factor - * @max_vscale: maximum allowed vertical scaling factor - * - * Calculate the vertical scaling factor as - * (@src height) / (@dst height). - * - * If the calculated scaling factor is below @min_vscale, - * decrease the height of rectangle @dst to compensate. - * - * If the calculated scaling factor is above @max_vscale, - * decrease the height of rectangle @src to compensate. - * - * If the scale is below 1 << 16, round down. If the scale is above - * 1 << 16, round up. This will calculate the scale with the most - * pessimistic limit calculation. - * - * RETURNS: - * The vertical scaling factor. - */ -int drm_rect_calc_vscale_relaxed(struct drm_rect *src, - struct drm_rect *dst, - int min_vscale, int max_vscale) -{ - int src_h = drm_rect_height(src); - int dst_h = drm_rect_height(dst); - int vscale = drm_calc_scale(src_h, dst_h); - - if (vscale < 0 || dst_h == 0) - return vscale; - - if (vscale < min_vscale) { - int max_dst_h = src_h / min_vscale; - - drm_rect_adjust_size(dst, 0, max_dst_h - dst_h); - - return min_vscale; - } - - if (vscale > max_vscale) { - int max_src_h = dst_h * max_vscale; - - drm_rect_adjust_size(src, 0, max_src_h - src_h); - - return max_vscale; - } - - return vscale; -} -EXPORT_SYMBOL(drm_rect_calc_vscale_relaxed); - -/** * drm_rect_debug_print - print the rectangle information * @prefix: prefix string * @r: rectangle to print |