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authorMaarten Lankhorst2015-12-03 14:31:07 +0100
committerMaarten Lankhorst2015-12-22 13:45:42 +0100
commit35c08f43462206efb999ebc2478443e8d611161d (patch)
tree469c198eab81ff128823902317c7e075e9516eb6 /drivers/gpu/drm/i915/intel_display.c
parentdrm/i915: Keep track of the cdclk as if all crtc's were active. (diff)
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drm/i915: Calculate visibility in check_plane correctly regardless of dpms.
When the crtc is configured but not active we currently clip to (0,0)x(0,0). This results in differences in calculations depending on dpms setting. When the crtc is enabled but not active run check_plane as if it were on, but afterwards set plane_state->visible = false for the checks. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1447945645-32005-13-git-send-email-maarten.lankhorst@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 30cd48ea61e8..eea2cd26ba17 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11873,8 +11873,13 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
if (!was_crtc_enabled && WARN_ON(was_visible))
was_visible = false;
- if (!is_crtc_enabled && WARN_ON(visible))
- visible = false;
+ /*
+ * Visibility is calculated as if the crtc was on, but
+ * after scaler setup everything depends on it being off
+ * when the crtc isn't active.
+ */
+ if (!is_crtc_enabled)
+ to_intel_plane_state(plane_state)->visible = visible = false;
if (!was_visible && !visible)
return 0;