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authorVille Syrjälä <ville.syrjala@linux.intel.com>2020-10-20 22:43:29 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2020-10-21 23:24:30 +0300
commita40a8305a732f4ecc2186ac7ca132ba062ed770d (patch)
treebf2007e7221efdf87559b53262693d7e3185ba0f /drivers/gpu
parentc6073d4c923b5ce39ff33a63a07c633036656ecb (diff)
drm/i915: Reject 90/270 degree rotated initial fbs
We don't currently handle the initial fb readout correctly for 90/270 degree rotated scanout. Reject it. Cc: stable@vger.kernel.org Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201020194330.28568-1-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index d2e37ab90388..bce5a0d1b72a 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -10802,6 +10802,10 @@ skl_get_initial_plane_config(struct intel_crtc *crtc,
val & PLANE_CTL_FLIP_HORIZONTAL)
plane_config->rotation |= DRM_MODE_REFLECT_X;
+ /* 90/270 degree rotation would require extra work */
+ if (drm_rotation_90_or_270(plane_config->rotation))
+ goto error;
+
base = intel_de_read(dev_priv, PLANE_SURF(pipe, plane_id)) & 0xfffff000;
plane_config->base = base;