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 <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index bcc3319..64b94a8 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -228,10 +228,6 @@
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 @@
/* 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;