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path: root/drivers/gpu/drm/radeon/rs600.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
-rw-r--r--drivers/gpu/drm/radeon/rs600.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 4245218e954f..c3818562a13e 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -56,6 +56,7 @@ int rs600_mc_init(struct radeon_device *rdev)
rdev->mc.vram_location = G_000004_MC_FB_START(tmp) << 16;
rdev->mc.gtt_location = 0xffffffffUL;
r = radeon_mc_setup(rdev);
+ rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
if (r)
return r;
return 0;
@@ -134,7 +135,8 @@ void rs600_hpd_init(struct radeon_device *rdev)
break;
}
}
- rs600_irq_set(rdev);
+ if (rdev->irq.installed)
+ rs600_irq_set(rdev);
}
void rs600_hpd_fini(struct radeon_device *rdev)
@@ -315,6 +317,11 @@ int rs600_irq_set(struct radeon_device *rdev)
u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
+ if (!rdev->irq.installed) {
+ WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+ WREG32(R_000040_GEN_INT_CNTL, 0);
+ return -EINVAL;
+ }
if (rdev->irq.sw_int) {
tmp |= S_000040_SW_INT_EN(1);
}
@@ -553,6 +560,7 @@ static int rs600_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
rs600_irq_set(rdev);
+ rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
r = r100_cp_init(rdev, 1024 * 1024);
if (r) {
@@ -602,7 +610,6 @@ int rs600_suspend(struct radeon_device *rdev)
void rs600_fini(struct radeon_device *rdev)
{
- rs600_suspend(rdev);
r100_cp_fini(rdev);
r100_wb_fini(rdev);
r100_ib_fini(rdev);
@@ -681,7 +688,6 @@ int rs600_init(struct radeon_device *rdev)
if (r) {
/* Somethings want wront with the accel init stop accel */
dev_err(rdev->dev, "Disabling GPU acceleration\n");
- rs600_suspend(rdev);
r100_cp_fini(rdev);
r100_wb_fini(rdev);
r100_ib_fini(rdev);