drm/radeon/kms: Fix apparent typo in legacy CRTC memory bandwidth calculation.
authorMichel Dänzer <daenzer@vmware.com>
Thu, 8 Oct 2009 08:44:10 +0000 (10:44 +0200)
committerDave Airlie <airlied@redhat.com>
Mon, 12 Oct 2009 03:42:28 +0000 (13:42 +1000)
While investigating the cause of CRTC FIFO underruns, I noticed that when
converting the memory bandwidth calculation from the userspace X driver code,
an instance of '8.0' was apparently accidentally converted to '80'.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/r100.c

index 374ecac..33198dd 100644 (file)
@@ -2350,7 +2350,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
        /*
          Find the total latency for the display data.
        */
-       disp_latency_overhead.full = rfixed_const(80);
+       disp_latency_overhead.full = rfixed_const(8);
        disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
        mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
        mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;