[PATCH 2/3] drm/radeon: add driver option to disable uvd/vce block.
jglisse at redhat.com
jglisse at redhat.com
Wed Mar 16 11:56:46 UTC 2016
From: Jérome Glisse <jglisse at redhat.com>
Quite few suspend/hibernation bugs are related to this block. Add
an option to disable those as a work around.
Signed-off-by: Jérôme Glisse <jglisse at redhat.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_asic.c | 3 +++
drivers/gpu/drm/radeon/radeon_drv.c | 4 ++++
3 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 007be29..5c6ce3a 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -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
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 7d5a36d..49ee180 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2689,6 +2689,9 @@ int radeon_asic_init(struct radeon_device *rdev)
rdev->asic->pm.set_memory_clock = NULL;
}
+ if (!radeon_uvd)
+ rdev->has_uvd = false;
+
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index cad2555..03e4781 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -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/vce enable/disable uvd/vce support (1 = enable, 0 = disable)");
+module_param_named(uvd, radeon_uvd, int, 0444);
+
static struct pci_device_id pciidlist[] = {
radeon_PCI_IDS
};
--
1.8.3.1
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