[PATCH] drm/i915:fix the overflow for overlay when crtc_w or crtc_h =0

When the crtc_w = 0 or crtc_h = 0, it should not be divided. Besides, when (crtc_x+ --- drivers/gpu/drm/i915/intel_sprite.c | 14 +++--- 1 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 0891bd

[PATCH] drm/i915:add overlay support for crtc_x < 0 or crtc_y < 0

Signed-off-by: Hai Lan --- drivers/gpu/drm/i915/intel_overlay2.c | 16 1 files changed, 16 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_overlay2.c b/drivers/gpu/drm/i915/intel_overlay2.c index ff9f0ea..7eba888 100644 --- a/drivers/gpu/drm/i915