From d9e1551ec1391dee9db8b1121007f616454e1ca7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Mon, 27 Mar 2017 21:55:45 +0300 Subject: [PATCH] drm/i915: Relax 845/865 CURBASE alignemnt requirement to 32 bytes MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Supposedly 845/865 require only 32 byte alignment for CURBASE. Let's relax the checks to allow that instead of demanding 4KiB alignment. This will allow cursor panning in 8 pixel units. Signed-off-by: Ville Syrjälä Link: http://patchwork.freedesktop.org/patch/msgid/20170327185546.2977-15-ville.syrjala@linux.intel.com Reviewed-by: Imre Deak --- drivers/gpu/drm/i915/intel_display.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0313642..fa95170 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2090,6 +2090,8 @@ static unsigned int intel_cursor_alignment(const struct drm_i915_private *dev_pr return 16 * 1024; else if (IS_I85X(dev_priv)) return 256; + else if (IS_I845G(dev_priv) || IS_I865G(dev_priv)) + return 32; else return 4 * 1024; } -- 2.7.4