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drm/i915: Use & instead if == to check for rotations

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Using == to check for 180 degree rotation only works as long as the
reflection bits aren't set. That will change soon enough for CHV, so
let's stop doing things the wrong way.

v2: Drop the BIT()

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1479142440-25283-2-git-send-email-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2016-11-14 18:53:58 +02:00
parent 5697d60f6e
commit f22aa14352
2 changed files with 7 additions and 7 deletions
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6
drivers/gpu/drm/i915/intel_sprite.c
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@@ -436,7 +436,7 @@ vlv_update_plane(struct drm_plane *dplane,
intel_add_fb_offsets(&x, &y, plane_state, 0);
sprsurf_offset = intel_compute_tile_offset(&x, &y, plane_state, 0);
if (rotation == DRM_ROTATE_180) {
if (rotation & DRM_ROTATE_180) {
sprctl |= SP_ROTATE_180;
x += src_w;
@@ -566,7 +566,7 @@ ivb_update_plane(struct drm_plane *plane,
intel_add_fb_offsets(&x, &y, plane_state, 0);
sprsurf_offset = intel_compute_tile_offset(&x, &y, plane_state, 0);
if (rotation == DRM_ROTATE_180) {
if (rotation & DRM_ROTATE_180) {
sprctl |= SPRITE_ROTATE_180;
/* HSW and BDW does this automagically in hardware */
@@ -700,7 +700,7 @@ ilk_update_plane(struct drm_plane *plane,
intel_add_fb_offsets(&x, &y, plane_state, 0);
dvssurf_offset = intel_compute_tile_offset(&x, &y, plane_state, 0);
if (rotation == DRM_ROTATE_180) {
if (rotation & DRM_ROTATE_180) {
dvscntr |= DVS_ROTATE_180;
x += src_w;