From: Alex Deucher Date: Sat, 12 Jun 2010 15:50:13 +0000 (-0400) Subject: drm/radeon/kms: fix bandwidth calculation when sideport is present X-Git-Tag: v2.6.35-rc4~15^2~22 X-Git-Url: https://bbs.cooldavid.org/git/?p=net-next-2.6.git;a=commitdiff_plain;h=0888e883ea5ff8fac27e813256d6c1eaede5a234 drm/radeon/kms: fix bandwidth calculation when sideport is present Fixes fdo bug 27529: https://bugs.freedesktop.org/show_bug.cgi?id=27529 Reported-by: steckdenis@yahoo.fr Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index bcc33195ebc..64b94a815a6 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -228,10 +228,6 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev, fixed20_12 a, b, c; fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width; fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency; - /* FIXME: detect IGP with sideport memory, i don't think there is any - * such product available - */ - bool sideport = false; if (!crtc->base.enabled) { /* FIXME: wouldn't it better to set priority mark to maximum */ @@ -300,7 +296,7 @@ void rs690_crtc_bandwidth_compute(struct radeon_device *rdev, /* Maximun bandwidth is the minimun bandwidth of all component */ rdev->pm.max_bandwidth = rdev->pm.core_bandwidth; - if (sideport) { + if (rdev->mc.igp_sideport_enabled) { if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full && rdev->pm.sideport_bandwidth.full) rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth;