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drm/i915: Fix 90/270 rotated coordinates for FBC 

The clipped src coordinates have already been rotated by 270 degrees for
when the plane rotation is 90/270 degrees, hence the FBC code should no
longer swap the width and height.

Cc: stable@vger.kernel.org
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Fixes: b63a16f6cd ("drm/i915: Compute display surface offset in the plane check hook for SKL+")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170331180056.14086-4-ville.syrjala@linux.intel.com
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
(cherry picked from commit 73714c05df)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2017-03-31 21:00:56 +03:00 committed by Jani Nikula
parent 27fe407cb5
commit 1065467ed8
1 changed files with 7 additions and 12 deletions
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19
drivers/gpu/drm/i915/intel_fbc.c
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@ -82,20 +82,10 @@ static unsigned int get_crtc_fence_y_offset(struct intel_crtc *crtc)
static void intel_fbc_get_plane_source_size(struct intel_fbc_state_cache *cache,
int *width, int *height)
{
int w, h;
if (drm_rotation_90_or_270(cache->plane.rotation)) {
w = cache->plane.src_h;
h = cache->plane.src_w;
} else {
w = cache->plane.src_w;
h = cache->plane.src_h;
}
if (width)
*width = w;
*width = cache->plane.src_w;
if (height)
*height = h;
*height = cache->plane.src_h;
}
static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv,
@ -746,6 +736,11 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
cache->crtc.hsw_bdw_pixel_rate = crtc_state->pixel_rate;
cache->plane.rotation = plane_state->base.rotation;
/*
* Src coordinates are already rotated by 270 degrees for
* the 90/270 degree plane rotation cases (to match the
* GTT mapping), hence no need to account for rotation here.
*/
cache->plane.src_w = drm_rect_width(&plane_state->base.src) >> 16;
cache->plane.src_h = drm_rect_height(&plane_state->base.src) >> 16;
cache->plane.visible = plane_state->base.visible;