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drm/radeon: add driver option to disable uvd block.

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Quite few suspend/hibernation bugs are related to this block. Add
an option to disable those as a work around.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jérome Glisse 2016-03-18 16:58:36 +01:00 committed by Alex Deucher
parent cb25f7e022
commit f1a0a67a8a
3 changed files with 8 additions and 0 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -113,6 +113,7 @@ extern int radeon_bapm;
extern int radeon_backlight;
extern int radeon_auxch;
extern int radeon_mst;
extern int radeon_uvd;
/*
* Copy from radeon_drv.h so we don't have to include both and have conflicting

3
drivers/gpu/drm/radeon/radeon_asic.c
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@ -2696,6 +2696,9 @@ int radeon_asic_init(struct radeon_device *rdev)
rdev->asic->pm.set_memory_clock = NULL;
}
if (!radeon_uvd)
rdev->has_uvd = false;
return 0;
}

4
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -196,6 +196,7 @@ int radeon_bapm = -1;
int radeon_backlight = -1;
int radeon_auxch = -1;
int radeon_mst = 0;
int radeon_uvd = 1;
MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
module_param_named(no_wb, radeon_no_wb, int, 0444);
@ -287,6 +288,9 @@ module_param_named(auxch, radeon_auxch, int, 0444);
MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
module_param_named(mst, radeon_mst, int, 0444);
MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
module_param_named(uvd, radeon_uvd, int, 0444);
static struct pci_device_id pciidlist[] = {
radeon_PCI_IDS
};